Publikationen Alpers
- Jahr
- : Publikationstyp
- : Autor
- : Titel
Oil spill detection by imaging radars: Challenges and pitfalls
Alpers, W.; Holt, B.; Zeng, K.. “ Oil spill detection by imaging radars: Challenges and pitfalls”. Remote Sensing of Environment 201. (2017): S. 133-147.doi: 10.1016/j.rse.2017.09.002
"The scatterometer on SEASAT-A and its application for measuring ocean surface winds
Alpers, W.. “"The scatterometer on SEASAT-A and its application for measuring ocean surface winds”. Proceedings of CNES/CNEXO Workshop on the Use of Remote Sensing in Oceanography. Hg. Actes de Colloques . Brest, France: Publ. Sci. Techn., 1978, S. 261-276.
A comparison of ocean wave-radar modulation transfer functions at different radar frequencies and polarizations determined from tower and aircraft measurements
Alpers, W.; Schmidt, A.; Schmidt, R.; Bruening, C.. “A comparison of ocean wave-radar modulation transfer functions at different radar frequencies and polarizations determined from tower and aircraft measurements”. Proceedings of the 1995 International Geoscience and Remote Sensing Symposium (IGARSS'95). Hg. 1087-1089. II. Florence, Italy: 1995
A generalized nonlinear ocean wave-SAR spectral integral transform and its application to ERS-1 SAR ocean wave imaging
Bao, M.; Bruening, M.; Alpers, W.. “A generalized nonlinear ocean wave-SAR spectral integral transform and its application to ERS-1 SAR ocean wave imaging”. Proceedings of the 2nd ERS-1 Symposium. I, ESA SP-361. Hamburg, Germany: 1993, S. 219-224.
A new nonlinear integral transform relating ocean wave spectra to phase image spectra of an along-track interferometric synthetic aperture radar
Bao, M.; Alpers W.; Bruening, C.. “A new nonlinear integral transform relating ocean wave spectra to phase image spectra of an along-track interferometric synthetic aperture radar”. IEEE Transactions on Geoscience and Remote Sensing 37 (1). (1999): S. 461-466.doi: 10.1109/36.739088
A northerly winter monsoon surge over the South China Sea studied by remote sensing and a numerical model
Alpers, W.; Wong, W.K.; Dagestad, K.-F. Chan, P.W.. “A northerly winter monsoon surge over the South China Sea studied by remote sensing and a numerical model”. International Journal of Remote Sensing 33 (23). (2012): S. 7361-7381.doi: 10.1080/01431161.2012.685983
A note on radar signatures of hydrometeors in the melting layer as inferred from Sentinel-1 SAR data acquired over the ocean
Alpers, W.; Yuan Zhao, Y.; Alexis A. Mouche, A. A.; Chan, P. W.. “A note on radar signatures of hydrometeors in the melting layer as inferred from Sentinel-1 SAR data acquired over the ocean”. 2021, S. 253. https://doi.org/10.1016/j.rse.2020.112177
A perturbation approach to coherent propagation of energetic charged particles in random magnetic fields
Kunstmann, J. E.; Alpers, W.. “A perturbation approach to coherent propagation of energetic charged particles in random magnetic fields”. The Astrophysical Journal 211. (1975): S. 587-595.
A quantitative study of tropical rain cells from ERS SAR imagery
Lin, I.-I.; Kasilingam, D.; Alpers, W.; Lim, T. K.; Lim, H.. “A quantitative study of tropical rain cells from ERS SAR imagery”. Proceedings of the 1997 International Geoscience and Remote Sensing Symposium (IGARSS'97). 4. Singapore: 1997, S. 1527-1529. doi: 10.1109/IGARSS.1997.608930
A small-scale oceanic eddy off the coast of West Africa studied by multi-sensor satellite and surface drifter data
Alpers, W.; Brandt, P.; Lazar, A.; Dagorne, D.; Sow, B.; Faye, S.; Hansen, W.; Rubino, A.; Poulain, P.-M.; Brehmer, P.. “A small-scale oceanic eddy off the coast of West Africa studied by multi-sensor satellite and surface drifter data”. Remote Sensing of Environment 129. (2013): S. 132-143.doi: 10.1016/j.rse.2012.10.032
A theory of the imaging mechanism of underwater bottom topography by real and synthetic aperture radar
Alpers, W.; Hennings, I.. “A theory of the imaging mechanism of underwater bottom topography by real and synthetic aperture radar”. Journal of Geophysical Research 89. (1984): S. 10529-10546.
A three-scale composite surface model for the ocean wave-radar modulation transfer function
Romeiser, R.; Schmidt, A.; Alpers, W.. “A three-scale composite surface model for the ocean wave-radar modulation transfer function”. Journal of Geophysical Research 99 (C5). (1994): S. 9785-9801.doi: 10.1029/93JC03372
A winter monsoon front over the South China Sea studied by multi-sensor satellite data, weather radar data, and a numerical model
Alpers, W.; Dagestad, K.F.; Wong, K.W.; Chan, P.W.. “A winter monsoon front over the South China Sea studied by multi-sensor satellite data, weather radar data, and a numerical model”. Proceedings of the 2012 International Geoscience and Remote Sensing Symposium (IGARSS'12). Munich, Germany: 2012, S. 2070-2073. doi: 10.1109/IGARSS.2012.6350965
Advanced mapping of sea bottom topography in a multi-senor approach for morphodynamic studies, (AMS)**3
Wensink, G. J.; Calkoen, C. J.; Hesselmans, G. H. F. M.; Vogelzang, J.; Alpers, W.; Romeiser, R.; Hennings, I.; Greidanus, H.; de Loor, G. P.. “Advanced mapping of sea bottom topography in a multi-senor approach for morphodynamic studies, (AMS)**3”. Final Rep. MAS2-CT94-0104. Brussels, Belgium: Commission of the European Communities, 1997
Airborne measurements of the ocean radar cross section at 5.3 GHz as a function of wind speed",
Feindt, F.; Wismann, V.; Alpers, W.; Keller, W.C.. “Airborne measurements of the ocean radar cross section at 5.3 GHz as a function of wind speed", ”. Radio Science 21. (1986): S. 845-856.
An ERS-1 synthetic aperture radar image of a tropical squall line compared with weather radar data
Lin, I.I.; Alpers, W.; Khoo, V.; Lim, H.; Lim, T.K.; Kasiligam, D.. “An ERS-1 synthetic aperture radar image of a tropical squall line compared with weather radar data”. IEEE Transactions on Geoscience and Remote Sensing 39 (5). (2001): S. 937-945.doi: 10.1109/36.921411
An improved composite surface model for the radar backscattering cross section of the ocean surface: 1. Theory of the model and optimization/validation by scatterometer data
Romeiser, R.; Alpers, W.; Wismann, V.. “An improved composite surface model for the radar backscattering cross section of the ocean surface: 1. Theory of the model and optimization/validation by scatterometer data”. Journal of Geophysical Research: Oceans 102 (C11). (1997): S. 25237-25250.doi: 10.1029/97JC00190
An improved composite surface model for the radar backscattering cross section of the ocean surface: 2. Model response to surface roughness variations and the radar imaging of underwater bottom topography
Romeiser, R.; Alpers, W.. “An improved composite surface model for the radar backscattering cross section of the ocean surface: 2. Model response to surface roughness variations and the radar imaging of underwater bottom topography”. Journal of Geophysical Research: Oceans 102 (C11). (1997): S. 25251-25267.doi: 10.1029/97JC00191
An improved theory for the radar imaging of underwater bottom topography based on a three-scale model
Romeiser, R.; Alpers, W.. “An improved theory for the radar imaging of underwater bottom topography based on a three-scale model”. Proceedings of the 1993 International Geoscience and Remote Sensing Symposium. Hg. IGARSS'93. 2. Tokyo, Japan: 1993, S. 361-363.
An introduction to SAXON-FPN
Plant, W.J.; Alpers, W.. “An introduction to SAXON-FPN”. Journal of Geophysical Research 99 (C5). (1994): S. 9699-9703.doi: 10.1029/93JC03482
Application of a new algorithm using Doppler information to retrieve complex wind fields over the Black Sea from Envisat SAR images
Alpers, W.; Mouche, A.; Horstmann, J.; Ivanov, A. Yu.; Barbanov, V. S.. “Application of a new algorithm using Doppler information to retrieve complex wind fields over the Black Sea from Envisat SAR images”. International Journal of Remote Sensing 36 (3). (2015): S. 863-881.doi: 10.1080/01431161.2014.999169
Atmospheric boundary layer rolls observed by the synthetic aperture radar aboard the ERS-1 satellite
Alpers, W.; Bruemmer, B. “Atmospheric boundary layer rolls observed by the synthetic aperture radar aboard the ERS-1 satellite”. Journal of Geophysical Research 99 (C6). (1994): S. 12613-12621.doi: 10.1029/94JC00421
Atmospheric Front over the East China Sea Studied by Multi-Sensor Satellite and In-Situ Data
Ivanov, A.Yu.; Alpers, W.; Litovchenko, K.Ts.; He, M.-X.; Feng, Q.; Fang, M.; Yan, X.-H. . “Atmospheric Front over the East China Sea Studied by Multi-Sensor Satellite and In-Situ Data”. Journal of Geophysical Research 109 (C12), C12001. (2004) doi: 10.1029/2004JC002432
Atmospheric fronts along the east coast of Taiwan studied by ERS synthetic aperture radar images
Alpers, W.; Chen, J.P.; Lin, I.-I.; Lien, Ch.-Ch.. “Atmospheric fronts along the east coast of Taiwan studied by ERS synthetic aperture radar images”. Journal of the Atmospheric Sciences 64. (2007): S. 922-937.doi: 10.1175/JAS3863.1
Atmospheric fronts of the East Coast of Taiwan studied by ERS synthetic aperture radar imagery
Alpers, W.; Chen, J.-P.; Lin, I.-I.. “Atmospheric fronts of the East Coast of Taiwan studied by ERS synthetic aperture radar imagery”. Proceedings of the 2005 International Geoscience and Remote Sensing Symposium (IGARSS'05), Seoul, Korea. Hg. IEEE, Piscataway. NJ, USA: 2005
Atmospheric phenomena observed over the South China Sea by the Advanced Synthetic Aperture Radar onboard the Envisat satellite
Alpers, W.; Huang, W.; Chan, P.W.; Wong, W.K.; Chen, Ch.M.; Mouche, A.. “Atmospheric phenomena observed over the South China Sea by the Advanced Synthetic Aperture Radar onboard the Envisat satellite”. Proceedings of the Dragon 2 Programme Mid Term Results Symposium held in Guilin, P. R. China, 17 - 21 May 2010. Hg. ESA publication. SP-684. Guilin, China: 2010
Attenuation of capillary and gravity waves at sea by monomolecular organic surface films
Huenerfuss, H.; Alpers, W.; Garret, D.; Lange, P.A.; Stolte, S.. “Attenuation of capillary and gravity waves at sea by monomolecular organic surface films”. Journal of Geophysical Research 88. (1983): S. 9809-9816.
Attenuation of wind waves by artificial surface films of different chemical structure
Huehnerfuss, H.; Alpers, W.; Lange, P. A.; Walter, W.. “Attenuation of wind waves by artificial surface films of different chemical structure”. Geophysical Research Letters 8. (1981): S. 1184-1186.
Attenuation of wind waves by monomolecular sea slicks and the Marangoni effect
Huenerfuss, H.; Walter, W.; Lange, P.A.; Alpers, W.. “Attenuation of wind waves by monomolecular sea slicks and the Marangoni effect”. Journal of Geophysical Research 92 (C4). (1987): S. 3961-3936.doi: 10.1029/JC092iC04p03961
Bora events over the Adriatic Sea and Black Sea studied by multi-sensor satellite imagery
Alpers, W.; Ivanov, A.Y.; Horstmann, J.. “Bora events over the Adriatic Sea and Black Sea studied by multi-sensor satellite imagery”. International Geoscience and Remote Sensing Symposium, 2007. IGARSS 2007. 2007, S. 1307 - 1313. doi: 10.1109/IGARSS.2007.4423046
Breaking location of Internal Solitary Waves over a sloping seabed
Cavaliere, D.; La Forgia, G.; Adduce, C.; Alpers, W.; Martorelli, E. “Breaking location of Internal Solitary Waves over a sloping seabed”. 2020 http://dx.doi.org/10.1029/2020JC016669
C-band radar signatures of rain over the ocean — Revisited
Alpers, W.. “C-band radar signatures of rain over the ocean — Revisited ”. Geoscience and Remote Sensing Symposium (IGARSS), 2015 IEEE International (2015): S. 5336-5339. Milan, Italy, 26-31 July 2015doi: 10.1109/IGARSS.2015.7327040
Calculation of mean ocean waveheights from the average return pulse shape of the GEOS-3 altimeter
Alpers, W.; Rufenach, C.. “Calculation of mean ocean waveheights from the average return pulse shape of the GEOS-3 altimeter”. Proceedings of the GTDA Symposium on Remote Sensing. St. Mande Paris: 1977, S. 97-109.
Classification of sea slicks by multi-frequency radar techniques: new chemical insights and their geophysical implications
Huehnerfuss, H.; Gericke, A.; Alpers, W.; Theis, V.; WIsmann, V.; Lange, P.. “Classification of sea slicks by multi-frequency radar techniques: new chemical insights and their geophysical implications”. Journal of Geophysical Research 99 (C5). (1994): S. 9835-9845.doi: 10.1029/93JC03308
Classification of sea slicks by multi-frequency radar techniques: the influence of the temperature and of the morphology effect on water wave damping
Huehnerfuss, H.; Alpers, W.; Gericke, A.; Lange, P.A.; Theis, R.; Wismann, V.. “Classification of sea slicks by multi-frequency radar techniques: the influence of the temperature and of the morphology effect on water wave damping”. Proceedings of OCEANS'93. II. Victoria, British Columbia, Canada: 1993, S. 336-341.
Classification of sediments on exposd tidal flats in the German Bight using multi-frequency radar data
Gade, M.; Alpers, W.; Melsheimer, C.; Tanck, G.. “Classification of sediments on exposd tidal flats in the German Bight using multi-frequency radar data”. Remote Sensing of Environment 112 (4). (2008): S. 1603-1613.doi: 10.1016/j.rse.2007.08.015
Comparison of ERS-1 and ALMAZ-1 SAR ocean wave imaging
Etkin, V.; Litovchenko, K.; Ivanov, A.; Shirokov, P.; Alpers, W.; Wilde, A.; Bruening, C.. “Comparison of ERS-1 and ALMAZ-1 SAR ocean wave imaging”. Proceedings of the 1993 International Geoscience and Remote Sensing Symposium. Hg. IGARSS'93. 3. Tokyo, Japan: 1993, S. 937-939.
Comparison of ocean wave imaging by ERS-1 and ALMAZ-1 synthetic aperture radar
Wilde, A.; Bruening, C.; Alpers, W.; Etkin, V.; Litovchenko, K.; Ivanov, A.; Zaitsev, V.. “Comparison of ocean wave imaging by ERS-1 and ALMAZ-1 synthetic aperture radar”. Proceedings of the 2nd ERS-1 Symposium. I, ESA SP-361. Hamburg, Germany: 1993, S. 239-245.
Comparison of simulated and measured synthetic aperture radar image spectra with buoy-derived ocean wave spectra during the Shuttle Imaging Radar-B mission
Alpers, W.; Bruening, C.; Richter, K.. “Comparison of simulated and measured synthetic aperture radar image spectra with buoy-derived ocean wave spectra during the Shuttle Imaging Radar-B mission”. IEEE Transactions on Geoscience and Remote Sensing GE-24. (1986): S. 559-556.
Comparison of submarine relief features on a radar satellite image and on a Skylab satellite photograph
Hennings, I.; Doeffer, I.; Alpers, W.. “Comparison of submarine relief features on a radar satellite image and on a Skylab satellite photograph”. International Journal of Remote Sensing 9 (1). (1988): S. 45-67.doi: 10.1080/01431168808954836
Detection of oil films by active and passive microwave sensors
Keydel, W.; Alpers, W.;. “Detection of oil films by active and passive microwave sensors”. Advances in Space Research 7 (11). (1987): S. 327-333.doi: 10.1016/0273-1177(87)90335-8
Determination of surface roughness parameters of tidal flats from SIR-C/X-SAR 3-frequency SAR data
Tanck, G.; Alpers, W.; Gade, M. . “Determination of surface roughness parameters of tidal flats from SIR-C/X-SAR 3-frequency SAR data”. Proceedings of the 1999 International Geoscience and Remote Sensing Symposium (IGARSS'99). Vol.III. Hamburg, Germany: 1999, S. 1677-1679. doi: 10.1109/IGARSS.1999.772058
Encounter of foehn wind with an atmospheric eddy over the Black Sea as observed by the synthetic aperture radar onboard Envisat
Alpers, W.; Ivanov, A.Yu.; Dagestad, K.-F.. “Encounter of foehn wind with an atmospheric eddy over the Black Sea as observed by the synthetic aperture radar onboard Envisat”. Monthly Weather Review 139. (2011): S. 3992-4000.doi: 10.1175/MWR-D-11-00074.1
ERS-1 SAR views the ocean: An assessment
Alpers, W.. “ERS-1 SAR views the ocean: An assessment”. Proceedings of the 1994 International Geoscience and Remote Sensing Symposium (IGARSS'94). IV. Pasadena, California, USA: 1994, S. 1951-1953.
Estimation of the ocean wave-radar modulation transfer function from synthetic aperture radar imagery
Bruening, C.; Schmidt, R.; Alpers, W.. “Estimation of the ocean wave-radar modulation transfer function from synthetic aperture radar imagery”. Journal of Geophysical Research 99 (C5). (1994): S. 9803-9703.doi: 10.1029/93JC03373
Evidence for the influence of Atlantic-Ionian stream fluctuations on the tidally induced internal dynamics in the Strait of Messina
Brandt, P.; Rubino, A.; Quadfasel, D.; Alpers, W.; Sellschopp, J.; Fiekas, H.. “Evidence for the influence of Atlantic-Ionian stream fluctuations on the tidally induced internal dynamics in the Strait of Messina”. Journal of Geophysical Research 29. (1999): S. 1071-1080.
Evidence of short internal waves trailing strong internal solitary waves in the northern South China Sea from synthetic aperture radar observations
Guo, C.; Vlasenko, V.; Alpers, W.; Stashchuk, N.; Chen X.. “Evidence of short internal waves trailing strong internal solitary waves in the northern South China Sea from synthetic aperture radar observations”. Remote Sensing of Environment 124. (2012): S. 542-550.doi: 10.1016/j.rse.2012.06.001
Experimental testing of a theory for the dual-frequency microwave ocean wave scatterometer
Schuler, D. L.; Plant, W. J.; Eng, W. P.; Alpers, W.; Schlude, F.. “Experimental testing of a theory for the dual-frequency microwave ocean wave scatterometer”. International Journal of Remote Sensing 3. (1982): S. 363-371.
Extraction of the phase velocity of the dominant ocean wave from SAR raw data
Moreira, J.; Alpers, W.. “Extraction of the phase velocity of the dominant ocean wave from SAR raw data”. International URSI-Conference. Hg. Deutsche Forschungsanstalt fuer Luft- und Raumfahrt. Oberpfaffenhofen: 1992, S. 1D-1 - 1D-7.
Fernerkundung der Meeresoberfläche von Satelliten aus
Alpers, W.; Hasselmann, K.; Schieler, M.. “Fernerkundung der Meeresoberfläche von Satelliten aus”. Raumfahrtforschung 19. (1975): S. 1-7.
Fernerkundung des Seegangs mit Mikrowellen
Alpers, W.. “Fernerkundung des Seegangs mit Mikrowellen”. DFVLR-DGP Symposium Fernerkundung. Köln-Porz: 1975, S. 281-289.
First evidence for the detection of natural surface films by the QuikSCAT scatterometer
Lin, I.-I.; Alpers, W.; Liu, T.W.. “First evidence for the detection of natural surface films by the QuikSCAT scatterometer”. Geophysical Research Letters 30 (13). (2003): S. 1713.doi: 10.1029/2003GL017415
First results from the German surface film experiments during the two SIR-C/X-SAR missions
Gade, M.; Alpers, W.. “First results from the German surface film experiments during the two SIR-C/X-SAR missions”. Proceedings of the 15th EARSel Symposium, Progresss in Environmental Remote Sensing Research and Applications. Basel, Switzerland, Balkema, Rotterdam: 1996, S. 285-290.
Gade, M.; Alper, W.. “First results from the German surface film experiments during the two SIR-C/X-SAR missions”. Progress in Environmental Remote Sensing Research and Applications. Hg. Parlow, E. . Rotterdam: Balkema, 1996, S. 185-192.
Focusing simulations of SAR ocean images
Hayt, D.W.; Alpers, W.; Bruening, C.; DeWitt, R.; Henyey, F.; Kasilingam; W.C.; Keller, W.C.; Lyzenga, D.R.; Plant, W.J.; Schult, R.L., Shemdin, O.H.; Wright, J.A.. “Focusing simulations of SAR ocean images”. Journal of Geophysical Research 95. (1990): S. 16,245-16,261.
Generation of internal solitary waves in the Sulu Sea and their refraction by bottom topography studied by ERS SAR imagery and a numerical model
Zeng, K.; Alpers, W.. “Generation of internal solitary waves in the Sulu Sea and their refraction by bottom topography studied by ERS SAR imagery and a numerical model”. International Journal of Remote Sensing 25 (7-8). (2004): S. 1277-1281.doi: 10.1080/01431160310001592175
Generation of Secondary Internal Waves by the Interaction of an Internal Solitary Wave with an Underwater Bank
Vlasenko, V.; Alpers, W.. “Generation of Secondary Internal Waves by the Interaction of an Internal Solitary Wave with an Underwater Bank”. Journal of Geophysical Research 110 (C2), C02019. (2005) doi: 10.1029/2004JC002467
High resolution wind fields over the Black Sea from Envisat ASAR data using an advanced wind retrieval algorithm
Alpers, W.; Mouche, A.; Ivanov, A. Y.; Bruemmer, B.. “High resolution wind fields over the Black Sea from Envisat ASAR data using an advanced wind retrieval algorithm”. Proceedings of “SEASAR 2012”, 18-22 June 2012. Tromsø, Norwegen: ESA Publication, 2013, S. 239-248. pdf
Hydrodynamic ocean wave radar modulation transfer functions obtained from a three-scale composite surface model
Romeiser, R.; Schmidt, A.; Wismann, V.; Alpers, W.. “Hydrodynamic ocean wave radar modulation transfer functions obtained from a three-scale composite surface model”. Proceedings of the 1993 International Geoscience and Remote Sensing Symposium . Vol.II. Tokyo, Japan: 1993, S. 765-767.
Hydrophysical processes on the surface of Lake Ladoga in the ERS synthetic aperture radar imagery
Ivanov, A.Yu.; Litovchenko, K.Ts.; Alpers, W.; Naumenko, M.A.; Karetnikov, S.G.. “Hydrophysical processes on the surface of Lake Ladoga in the ERS synthetic aperture radar imagery ”. Russian Academy of Sciences 63-74. (1999): S. 4.
Image contrast enhancement by applying focus adjustment in synthetic aperture radar imagery of moving ocean waves
Alpers, W.; Rufenach, C.L.. “Image contrast enhancement by applying focus adjustment in synthetic aperture radar imagery of moving ocean waves”. SEASAT-SAR PROCESSOR. Hg. ESA Scientific and Technical Publication Branch. Noordwijk, Netherlands: ESTEC, 1980, S. 25-30.
Imaging ocean surface waves by synthetic aperture radar - a review
Alpers, W.. “Imaging ocean surface waves by synthetic aperture radar - a review”. Satellite Microwave Remote Sensing. Hg. Allan, T. D.. England: Ellis Horwood, 1983, S. Chapter 6.
Imaging ocean waves by synthetic aperture radars with long integration times
Rufenach, C. L.; Alpers, W.. “Imaging ocean waves by synthetic aperture radars with long integration times”. IEEE Transactions on Antennas and Propagation AP-29. (1981): S. 422-428.
Imaging of atmospheric boundary layer rolls by the synthetic aperture radar aboard the European ERS-1 satellite
Alpers, W.; Bruemmer, B.. “Imaging of atmospheric boundary layer rolls by the synthetic aperture radar aboard the European ERS-1 satellite”. Proceedings of the 1993 International Geoscience and Remote Sensing Symposium. Hg. IGARSS'93. 2. Tokyo, Japan: 1993, S. 540-542.
Imaging of biogenic and anthropogenic ocean surface films by the multifrequency/multipolarization SIR-C/X-SAR
Gade, M.; Alpers, W.; Hühnerfuss, H.; Masuko, H.; Kobayashi, T.. “Imaging of biogenic and anthropogenic ocean surface films by the multifrequency/multipolarization SIR-C/X-SAR”. Journal of Geophysical Research 103 (C9). (1998): S. 18851–18866.doi: 10.1029/97JC01915
Imaging of ocean features by SIR-C/X-SAR: An overview
Alpers, W., Holt, B.. “Imaging of ocean features by SIR-C/X-SAR: An overview”. Proceedings of the 1995 International Geoscience and Remote Sensing Symposium (IGARSS'95). II. Florence, Italy: 1995, S. 1588-1590.
Imaging of ocean waves by SIR-C/X-SAR over the North Sea and North Atlantic
Alpers, W.; Melsheimer, Ch.; Bruening, C.; Schmidt, R.. “Imaging of ocean waves by SIR-C/X-SAR over the North Sea and North Atlantic”. Proceedings of the 1995 International Geoscience and Remote Sensing Symposium (IGARSS'95). II. Florence, Italy: 1995, S. 1317-1319.
Imaging of ocean waves on both sides of an atmospheric front by the SIR-C/X-SAR multifrequency synthetic aperture radar
Melsheimer, C.; Bao, M.; Alpers, w.. “Imaging of ocean waves on both sides of an atmospheric front by the SIR-C/X-SAR multifrequency synthetic aperture radar”. Journal of Geophysical Research: Oceans 103 (C9). (1998): S. 18839-18849.doi: 10.1029/98JC00457
Imaging the ocean by ERS-1 SAR
Alpers, W.. “Imaging the ocean by ERS-1 SAR”. 1995
Interactions of electromagnetic and oceanic waves
Alpers, W.. “Interactions of electromagnetic and oceanic waves”. the 10th Session of the Intergovernmental Oceanographic Commission. Hg. UNESCO. Paris,: 1978, S. 52-56.
Intercomparison and improvement of SAR ocean imaging interaction models
Johannessen, J.A.; Jenkins, A.D.; Johannessen, O.M.; Sandven, S.; Korsbakken, E.K.; Espedal, H.A.; Romeiser, R.; Brandt, P.; Alpers, W.R.; Rubino, A.; Wensink, G.J.; Calkoen, C.J.; Mastenbroek, C.; Lyzenga, D.R.. “Intercomparison and improvement of SAR ocean imaging interaction models”. Proceedings of the 1998 International Geoscience and Remote Sensing Symposium (IGARSS'98). Vol.III. Seattle, Washington, USA: 1998, S. 1653-1655. doi: 10.1109/IGARSS.1998.691674
Jenkins, A.D.; Johannessen, O.M.; Sandven, S.; Korsbakken, E.K.; Espedal, H.A.; Romeiser, R.; Brandt, P.; Alpers, W.R.;Rubino, A.; Wensink, H.; Calkoen, C.J.; Mastenbroek, K.; Lyzenga D.. “Intercomparison and improvement of SAR ocean imaging interaction models”. Final Rep. ESA Contract 11969/96/NL/CN, . Hg. European Space Agency. Noordwijk, Netherlands: 1998, S. 120 pp.
Internal waves generated in the Straits of Gibraltar and Messina: Observations from space
Alpers, W.; Melsheimer, Ch.. “Internal waves generated in the Straits of Gibraltar and Messina: Observations from space”. Remote Sensing of the European Seas. Hg. Barale, V.; Gade, M. . Heidelberg: Springer, 2008, S. 319-330. doi: 10.1007/978-1-4020-6772-3_24
Internal waves in the Andaman Sea
Alpers, W.; Vlasenko, V.. “Internal waves in the Andaman Sea”. Remote Sensing of the Asian Seas. Hg. Barale, V.; Gade, M. Cham: Springer, 2018, S. 395-410. doi: 10.1007/978-3-319-94067-0_22
Internal waves in the Strait of Messina observed by the ERS 1/2 synthetic aperture radar
Brandt, P.; Rubino, A.; Alpers, W.. “Internal waves in the Strait of Messina observed by the ERS 1/2 synthetic aperture radar”. Proceedings of the 1996 International Geoscience and Remote Sensing Symposium (IGARSS'96). 3. Lincoln, Nebraska, USA: 1996, S. 1487-1489. doi: 10.1109/IGARSS.1996.516706
Internal waves in the Strait of Messina studied by a numerical model and synthetic aperture radar images from the ERS 1/2 satellites
Brandt, P.; Rubino, W.; Alpers, W.; Backhaus, J.O.. “Internal waves in the Strait of Messina studied by a numerical model and synthetic aperture radar images from the ERS 1/2 satellites”. Journal of Physical Oceanography 27. (1997): S. 648-663.
Investigation of atmospheric gravity waves and rotors in the marine boundary layer using spaceborne synthetic aperture radar images
Alpers, W.. “Investigation of atmospheric gravity waves and rotors in the marine boundary layer using spaceborne synthetic aperture radar images”. 2008 IEEE International Geoscience and Remote Sensing Symposium, July 6-11. vol. 4. Boston, Massachusetts, U.S.A.: 2008, S. 57-60. doi: 10.1109/IGARSS.2008.4779655
Investigation of coastal wind fields over the Black Sea using Envisat Synthetic Aperture Radar images
Alpers, W.; Ivanov, A. Yu.; Dagestad, K.F.. “Investigation of coastal wind fields over the Black Sea using Envisat Synthetic Aperture Radar images”. Proceedings of the ESA Living Planet Symposium held in Bergen, Norway from 28 June to 2 July 2010. Hg. ESA publication. SP-686. Bergen, Norway: 2011 pdf
Investigation of multifrequency/multipolarization radar signatures of rain cells derived from SIR-C/X-SAR data
Melsheimer, C.; Alpers, W.; Gade, M.. “Investigation of multifrequency/multipolarization radar signatures of rain cells derived from SIR-C/X-SAR data”. Proceedings of the 1996 International Geoscience and Remote Sensing Symposium (IGARSS'96).. II. Lincoln, Nebraska, USA: 1996, S. 1370-1372. doi: 10.1109/IGARSS.1996.516666
Melsheimer, C.; Alpers, W.; Gade, M.. “Investigation of multifrequency/multipolarization radar signatures of rain cells derived from SIR-C/X-SAR data”. Journal of Geophysical Research: Oceans 103 (C9). (1998): S. 18,867-18,884.doi: 10.1029/98JC00779
Investigation of trapped atmospheric gravity waves over the South China Sea using Envisat synthetic aperture radar images
Cheng, C.M.; Alpers, W.. “Investigation of trapped atmospheric gravity waves over the South China Sea using Envisat synthetic aperture radar images”. International Journal of Remote Sensing 31 (17-18). (2012): S. 4725-4725.doi: 10.1080/01431161.2010.485145
Investigation of tropical rain cells with ERS SAR imagery and ground-based weather radar
Kasilingam, D.; Lin, I.-I.; Lim, H.; Khoo, V.; Alpers, W.; Lim, T. K.. “Investigation of tropical rain cells with ERS SAR imagery and ground-based weather radar”. Proceedings of the 3rd ERS Symposium. 3. Florence, Italy: 1997, S. 1603-1608.
Katabatic windfields in coastal areas studied by ERS-1 synthetic aperture radar imagery and numerical modeling
Alpers, W.; Pahl, U.; Gross, G.. “Katabatic windfields in coastal areas studied by ERS-1 synthetic aperture radar imagery and numerical modeling”. Journal of Geophysical Research: Oceans 103 (C4). (1998): S. 7875-7886.doi:10.1029/97JC01774
Lake Baikal physical features studies using satellite remote sensing
Semovski, S.V.; Shimaraev, M.N.; Mogilev, N.Y.; Alpers, W.; Schrum, C.. “Lake Baikal physical features studies using satellite remote sensing”. Proceedings of the 1999 International Geoscience and Remote Sensing Symposium (IGARSS'99). Vol.II. Hamburg, Germany: 1999, S. 888-890. doi: 10.1109/IGARSS.1999.774475
Lake Ladoga surface features on the ERS--1 SAR imagery
Ivanov, A. Y.; Alpers, W.; Naumenko, M. A.; Karetnikov, S. G.. “Lake Ladoga surface features on the ERS--1 SAR imagery”. Proceedings of the 3rd ERS Symposium. 2. Florence, Italy: 1997, S. 1035-1040.
Layers of different thicknesses in mineral oil spills detected by grey level textures of real aperture radar images
Huenerfuss, H.; Alpers, W.; Witte, F.. “Layers of different thicknesses in mineral oil spills detected by grey level textures of real aperture radar images”. International Journal of Remote Sensing 10 (6). (1989): S. 1093-1099.doi: 10.1080/01431168908903947
Manifestation of internal solitary waves on ERS SAR and SPOT images: Similarities and differences
Mitnik, L.; Alpers, W.; Chen, K.S.; Chen, A.J.. “Manifestation of internal solitary waves on ERS SAR and SPOT images: Similarities and differences”. Proceedings of the 2000 International Geoscience and Remote Sensing Symposium (IGARSS'00). Vol.V. Hawaii, USA: 2000, S. 1857-1859.
Mapping of sea bottom topography in a multi sensor approach
Vogelzang, J.; Wensink, G.J.; Clakoen, C.J.; Hesselamsn, G.H.F.M.; Kooij van der M.W.A.; Alpers, W.; Romeiser, R.; Wismann, V.; Boehnke, K.; Hennings, I..; Mattews, J.P.; Lwiza, K.; Bannell, J.; Loor de G.P.; Metzner, M.. “Mapping of sea bottom topography in a multi sensor approach”. Final Report. Hg. Commission of the European Communities. Brussels, Belgium, 1992, S. 108 pp..
Marine SAR analysis and interpretation system - MARSAIS
Johannessen, J.A.; Garello, R.; Chapron, B.; Romeiser, R.; Pavlakis, P.; Robinson, I.; Connolly, N; Nittis, K.; Hamre, T.; Ufermann, S.; Alpers, W.; Espedal, H.; Furevik, B.; Cummins, V.; Tarchi, D.. “Marine SAR analysis and interpretation system - MARSAIS”. Annales Des Télécommunications 56 (11-12). (2001): S. 655-660.
Measurement of mesoscale oceanic and atmospheric phenomena by ERS-1 SAR
Alpers, W.. “Measurement of mesoscale oceanic and atmospheric phenomena by ERS-1 SAR”. U.R.S.I. (International Union of Radio Science), Radio Science Bulletin No. 275. (1995): S. 14-22.
Measurement of mesoscale oceanic and atmospheric phenomena by ERS-1/2 SAR
Alpers, W.. “Measurement of mesoscale oceanic and atmospheric phenomena by ERS-1/2 SAR”. Proceedings of the conference Rapid Environmental Assessment. Lerici, Italy: 1997
Measurement of ocean waveheights using the GEOS-3 altimeter
Rufenach, C. L.; Alpers, W.. “Measurement of ocean waveheights using the GEOS-3 altimeter”. Journal of Geophysical Research 83. (1978): S. 5011-5018.
Measurement of the ocean wave - radar modulation transfer function at 35 GHz from a sea-based platform in the North Sea
Feindt, F.; Schroeter, J.; Alpers, W.. “Measurement of the ocean wave - radar modulation transfer function at 35 GHz from a sea-based platform in the North Sea”. Journal of Geophysical Research 91. (1986): S. 9701-9708.
Measurement of the ocean wave-radar modulation transfer function at 4.3 GHz
Schroeter, J.; Feindt, F.; Alpers, W.; Keller, W.C.. “Measurement of the ocean wave-radar modulation transfer function at 4.3 GHz”. Journal of Geophysical Research 91. (1986): S. 923-932.
Measurements at 13.9 GHz of the radar backscattering cross section of the North Sea covered with an artificial surface film
Huehnerfuss, H.; Alpers, W.; Jones, W. L.. “Measurements at 13.9 GHz of the radar backscattering cross section of the North Sea covered with an artificial surface film”. Radio Science 13. (1978): S. 979-983.
Measurements of the radar backscattering over different oceanic surface films during the SIR-C/X-SAR campaigns
Gade, M.; Alpers, W.; Bao, M.; Huehnerfuss, H.. “Measurements of the radar backscattering over different oceanic surface films during the SIR-C/X-SAR campaigns”. Proceedings of the 1996 International Geoscience and Remote Sensing Symposium (IGARSS'96).. II. Lincoln, Nebraska, USA: 1996, S. 860-862. doi: 10.1109/IGARSS.1996.516501
Mesoscale and submesoscale atmospheric phenomena studied by the synthetic aperture radar aboard the ERS-1 satellite
Alpers, W.. “Mesoscale and submesoscale atmospheric phenomena studied by the synthetic aperture radar aboard the ERS-1 satellite”. Sensors and Environmental Applications of Remote Sensing. Hg. Askne, J. . Rotterdam/Brookfield: A.A. Balkema, 1994, S. 177-182.
Microwave measurements of the sea surface
Alpers, W.. “Microwave measurements of the sea surface”. Proceedings of a Conference on the Use of Satellite Data in Climate Models. Hg. ESA publication . Alpbach, Austria: 1985, S. 41-45.
Modeling of radar signatures of rain cells over the sea"
Melsheimer, C.; Romeiser, R.; Alpers, W.. “Modeling of radar signatures of rain cells over the sea"”. Proceedings of the 1998 International Geoscience and Remote Sensing Symposium (IGARSS'98). Vol.III. Seattle, Washington, USA: 1998, S. 1680-1682.
Molecular aspects of the system water/ monomolecular surface film and the occurrence of a new anomalous dispersion regime
Huenerfuss, H.; Alpers, W.. “Molecular aspects of the system water/ monomolecular surface film and the occurrence of a new anomalous dispersion regime”. The Journal of Physical Chemistry 87. (1983): S. 5251-5258.
Monte Carlo simulation studies of the nonlinear imaging of a two dimensional surface wave field by a synthetic aperture radar
Bruening, C.; Alpers, W.; Hasselmann, K.. “Monte Carlo simulation studies of the nonlinear imaging of a two dimensional surface wave field by a synthetic aperture radar”. International Journal of Remote Sensing 11 (10). (1990): S. 1695-1727.doi: 10.1080/01431169008955125
Monte Carlo simulations for studying the relationship between ocean wave spectra and synthetic aperture radar image spectra
Alpers, W.. “Monte Carlo simulations for studying the relationship between ocean wave spectra and synthetic aperture radar image spectra”. Journal of Geophysical Research 88. (1983): S. 1745-1759.
Morphology of sea slicks - looking on the sea surface with the ‚Eye of a Chemist
Hoffmann, F.; Hühnerfuss, H.; Simon-Kutscher, J.; Alpers, W.. “Morphology of sea slicks - looking on the sea surface with the ‚Eye of a Chemist”. Proceedings of the 1999 International Geoscience and Remote Sensing Symposium (IGARSS'99). Vol.III. Hamburg, Germany: 1999, S. 1469-1471. doi: 10.1109/IGARSS.1999.771990
MORSE: Mesoscale ocean radar signature experiments
Leviandier, L.; Alpers, W.; Barthelemy, E.; Brandt, P.; Brennan, P.; Connan, G.; Edwards, A.C.; Garello, R.; Rodenas, J.; Griffiths, H.; Renouard, D.; Rubino, A.; Thomas, J.O.; Woodbridge, K.. “MORSE: Mesoscale ocean radar signature experiments”. Proceedings of OCEANS'98. 2. Nice, France: 1998, S. 879-889.
Multi-frequency/multi-polarisation radar signatures of rain cells over the ocean measured by SIR-C/X-SAR
Melsheimer, C.; Gade, M.; Alpers, W.. “Multi-frequency/multi-polarisation radar signatures of rain cells over the ocean measured by SIR-C/X-SAR”. Future Trends in Remote Sensing. Hg. Gudmandsen, P. . Rotterdam: Balkema, 1998, S. 185-192.
Natural and man-made sea slicks in the North Sea investigated by a helicopter-borne 5-frequency radar scatterometer
Huehnerfuss, H.; Alpers, w.; Dannhauer, H.; Gade, M.; Lange, Ph.A.;Neumann, V.; Wismann, V.. “Natural and man-made sea slicks in the North Sea investigated by a helicopter-borne 5-frequency radar scatterometer”. International Journal of Remote Sensing 17 (8). (1996): S. 1567-1582.doi: 10.1080/01431169608945364
New chemical insights into the structure and morphology of sea slicks and their geophysical interpretations
Hühnerfuss, H.; Hoffmann, F.; Simon-Kutscher, J.; Alpers, W.; Gade, M.. “New chemical insights into the structure and morphology of sea slicks and their geophysical interpretations”. Marine Surface Films : Chemical Characteristics, Influence on Air-Sea Interactions and Remote Sensing. Hg. Gade, M.; Hühnerfuss, H.; Korenowski, G.M.. Berlin, Heidelberg: Springer, 2006, S. 37-44. doi: 10.1007/3-540-33271-5_5
Nonlinear Internal Waves in Synthetic Aperture Radar Imagery
Jackson, R.C.; Da Silva, J.C.B.; Alpers, W.; Jeans, G.. “Nonlinear Internal Waves in Synthetic Aperture Radar Imagery”. Oceanography 26 (2). (2013): S. 68-79.doi: 10.5670/oceanog.2013.32
Observation of a nonlinear wave disturbance in the marine atmosphere by the synthetic aperture radar aboard the ERS-1 satellite
Alpers, W.; Stilke, G.;. “Observation of a nonlinear wave disturbance in the marine atmosphere by the synthetic aperture radar aboard the ERS-1 satellite”. Journal of Geophysical Research: Oceans 101 (C3). (1996): S. 6513-6525.doi: 10.1029/95JC03304
Observation of artificial slicks with SIR-C/X-SAR around Japan
Masuko, H.; Alpers, W.. “Observation of artificial slicks with SIR-C/X-SAR around Japan”. Proceedings of the 1995 International Geoscience and Remote Sensing Symposium (IGARSS'95). I. Florence, Italy: 1995, S. 227-229.
Observation of internal waves in the Andaman Sea by ERS SAR
Alpers, W.; Wang-Chen, H.; Hock, L.. “Observation of internal waves in the Andaman Sea by ERS SAR”. Proceedings of the 1997 International Geoscience and Remote Sensing Symposium (IGARSS'97). 4. Singapore: 1997, S. 1518-1520. doi: 10.1109/IGARSS.1997.608926
Observation of local wind fields and cyclonic atmospheric eddies over the Eastern Black Sea using Envisat synthetic aperture radar images
Alpers, W.; Ivanov, A.Yu.; Dagestad, K.-F.. “Observation of local wind fields and cyclonic atmospheric eddies over the Eastern Black Sea using Envisat synthetic aperture radar images”. Issledovanie Zemli iz Kosmosa 5. (2010): S. 46-58.pdf
Observations of bora events over the Adriatic Sea and Black Sea by spaceborne synthetic aperture radar
Alpers, W.; Ivanov, A.; Horstmann, J.. “Observations of bora events over the Adriatic Sea and Black Sea by spaceborne synthetic aperture radar”. Monthly Weather Review 137 (3). (2009): S. 1154-1165.doi: 10.1175/2008MWR2563.1
Observations of internal waves in the Andaman Sea by ERS SAR
Alpers, W.; Wang-Chen, H.; Hock, L.. “Observations of internal waves in the Andaman Sea by ERS SAR”. Proceedings of the 3rd ERS Symposium. 3. Florence, Italy: 1997, S. 1287-1291.
Ocean surface current measurements by an L-band two frequency microwave scatterometer
Alpers, W.; Schroeter, J.; Schlude, F.; Mueller, H.-J.; Koltermann, K. P.. “Ocean surface current measurements by an L-band two frequency microwave scatterometer”. Radio Science 16. (1981): S. 93-100.
Ocean surface wave imaging from Seasat to Envisat
Alpers, W.. “Ocean surface wave imaging from Seasat to Envisat”. Proceedings of the 2003 International Geoscience and Remote Sensing Symposium (IGARSS'03), Toulouse, France. Hg. IEEE Piscataway. Vol.I. NJ, USA: 2003, S. 35-37. doi: 10.1109/IGARSS.2003.1293670
Ocean wave imaging by ERS-1 synthetic aperture radar: First results from the Haltenbanken Calibration/Validation Campaign
Bruening, C.; Alpers, W.; Wilde, A.. “Ocean wave imaging by ERS-1 synthetic aperture radar: First results from the Haltenbanken Calibration/Validation Campaign”. Proceedings of the Workshop ERS-1 Geophysical Validation. Paris, France: ESA, 1992, S. 169-177.
Ocean wave imaging by synthetic aperture radars (A comparison of results obtained by the ALMAZ-1 and ERS-1 satellites)
Alpers, W.; Bruening, C.; Wilde, A.; Etkin, V.S.; Litovchenko, K.Ts. Ivanov, a.Yu.; Zaitsev, V.V.. “Ocean wave imaging by synthetic aperture radars (A comparison of results obtained by the ALMAZ-1 and ERS-1 satellites)”. Russian Academy of Sciences 12. (1995): S. 83-96.
Ocean wave-radar modulation transfer function inferred from synthetic aperture radar imagery
Bruening, C.; Schmidt, R.; Alpers, W.. “Ocean wave-radar modulation transfer function inferred from synthetic aperture radar imagery”. Proceedings of the 1993 International Geoscience and Remote Sensing Symposium. Hg. IGARSS'93. 1. Tokyo, Japan: 1993, S. 7-9.
Ocean wave-radar modulation transfer functions inferred from airborne synthetic aperture radar imagery
Schmidt, R.; Bruening, C.; Alpers, W.. “Ocean wave-radar modulation transfer functions inferred from airborne synthetic aperture radar imagery”. Proceedings of OCEANS'93. 3. Victoria, Canada: 1993, S. 310-315.
Oils and Surfactants
Alpers, W.; Espedal, H.. “Oils and Surfactants”. Synthetic Aperture Radar Marine User's Manual. Hg. Jackson, Ch. R.; Apel, J. R.. Washington, D.C.: National Oceanic and Atmospheric Administration, 2004, S. 263-275. pdf
On diffusive-convective solutions of the Fokker-Planck equation
Kunstmann, J.E.; Alpers, W.. “On diffusive-convective solutions of the Fokker-Planck equation”. Conf. Papers, 14th International Cosmic Ray Conference. München: 1975, S. 1728-1732.
On the behaviour of the pitch angle diffusion coefficient near pitch angles of 90°
Alpers, W.; Hasselmann, K.; Kunstmann, J.E.. “On the behaviour of the pitch angle diffusion coefficient near pitch angles of 90°”. Conf. Papers, 14th International Cosmic Ray Conference. München: 1975, S. 888-896.
On the cross spectrum between individual-look synthetic aperture radar images of ocean waves
Bao, M.; Alpers, W.;. “On the cross spectrum between individual-look synthetic aperture radar images of ocean waves”. IEEE Transactions on Geoscience and Remote Sensing 36 (3). (1998): S. 922-932.doi: 10.1109/36.673683
On the detectability of ocean surface waves by real and synthetic aperture radar
Alpers, W.; Ross, D. B.; Rufenach, C. L.. “On the detectability of ocean surface waves by real and synthetic aperture radar”. Journal of Geophysical Research 86. (1981): S. 6481-6498.
On the detection and classification of organic chemical compounds on the sea surface by airborne remote sensors
Huehnerfuss, H.; Alpers, W.. “On the detection and classification of organic chemical compounds on the sea surface by airborne remote sensors”. Proceedings of the 1987 International Colloquium on Remote Sensing of Pollution of the Sea. Hg. Reuter, R.; Gillot, R. H. . Brussels, Belgium: Commission of the European Communities, 1987, S. 441-455,.
On the detection of underwater bottom topography by imaging radar
Alpers, W.. “On the detection of underwater bottom topography by imaging radar”. Frontiers of Remote Sensing of the Ocean and Troposphere from Air and Space Platforms. Shoresh, Israel: 1984, S. 403-413.
On the disappearance of radar signatures of internal solitary wave on ERS SAR images
Zeng, K.; Alpers, W.. “On the disappearance of radar signatures of internal solitary wave on ERS SAR images”. Proceedings of The Fifth Pacific Ocean Remote Sensing Conference (PORSEC 2000). Vol.I. Goa, India: 2000, S. 318-321.
On the discrimination between crude oil spills and monomolecular sea slicks by airborne radar and infrared radiometer - possibilities and limitations
Huenerfuss, H.; Alpers, W.; Richter, K.. “On the discrimination between crude oil spills and monomolecular sea slicks by airborne radar and infrared radiometer - possibilities and limitations”. International Journal of Remote Sensing 7. (1986): S. 1001-1013.
On the discrimination between crude oil spills and monomolecular sea slicks by airborne remote sensors - Today's possibilities and limitations
Huenerfuss, H.; Alpers, W.; Faest, O.; Lange, P.A., Loffet, A.; Richter, K.; Schriel, R.C.; Skou, N.; Witte, F.. “On the discrimination between crude oil spills and monomolecular sea slicks by airborne remote sensors - Today's possibilities and limitations”. Proceedings of the 1986 International Geoscience and Remote Sensing Symposium. 3. Zurich, Switzerland: ESA publication, 1986, S. 1359-1369.
On the discrimination of radar signatures of atmospheric gravity waves and oceanic internal waves on synthetic aperture radar images of the sea surface
Alpers, W.; Huang, W.. “On the discrimination of radar signatures of atmospheric gravity waves and oceanic internal waves on synthetic aperture radar images of the sea surface”. IEEE Transactions on Geoscience and Remote Sensing 49 (3). (2011): S. 1114-1126.doi: 10.1109/TGRS.2010.2072930
On the equilibrium of an exact charge neutral magnetopause
Alpers, W.. “On the equilibrium of an exact charge neutral magnetopause”. Astrophysics and Space Science 11. (1971): S. 471-474.
On the focusing issue of synthetic aperture radar imaging of ocean waves
Bruening, C.; Alpers, W.; Schroeter, J.. “On the focusing issue of synthetic aperture radar imaging of ocean waves”. IEEE Transactions on Geoscience and Remote Sensing GE-29. (1991): S. 120-128.
On the impact of lower atmospheric stratification on SAR images of the ocean surface
Ufermann, S.; Gade, M.; Romeiser, R.; Alpers, W.. “On the impact of lower atmospheric stratification on SAR images of the ocean surface”. Operational Remote Sensing for Sustainable Development. Hg. Nieuwenhuis, G.A.; Vaughan, R. A.; Molenaar, M. . Rotterdam: Balkema, 1999, S. 261-265..
On the nonlinear imaging of two-dimensional ocean surface wave fields by interferometric SAR
Bao, M.; Bruening, C.; Alpers, W.. “On the nonlinear imaging of two-dimensional ocean surface wave fields by interferometric SAR”. Proceedings of the 1995 International Geoscience and Remote Sensing Symposium (IGARSS'95). I. Florence, Italy: 1995, S. 775-777.
On the nonlinear integral transform of an ocean wave spectrum into an along-track interferometric synthetic aperture radar image spectrum
He, Y.; Alpers, W.. “On the nonlinear integral transform of an ocean wave spectrum into an along-track interferometric synthetic aperture radar image spectrum”. Journal of Geophysical Research 108 (C6). (2003): S. 3205.doi: 10.1029/2002JC001560
On the origin of atmospheric frontal lines off the east coast of Taiwan observed on space-borne synthetic aperture radar images
Alpers, W.; Chen, J.P.; Pi, Ch.-J.; LIn; I.-I.. “On the origin of atmospheric frontal lines off the east coast of Taiwan observed on space-borne synthetic aperture radar images”. Monthly Weather Review 138. (2010): S. 475-496.doi: 10.1175/2009MWR2987.1
On the radar imaging mechanism of Kelvin arms of ship wakes
Alpers, W.; Romeiser, R.; Hennings, I.. “On the radar imaging mechanism of Kelvin arms of ship wakes”. Proceedings of the 1998 International Geoscience and Remote Sensing Symposium (IGARSS'98). Vol.IV. Seattle, Washington, USA: 1998, S. 1932-1934.
On the reduction of the radar backscatter by oceanic surfac films: Scatterometer measurements and their theoretical interpretation
Gade, M.; Alpers, W.; Huehnerfuss, H.; Wismann, V.R.; Lange, P.A.. “On the reduction of the radar backscatter by oceanic surfac films: Scatterometer measurements and their theoretical interpretation”. Remote Sensing of Environment 66 (1). (1998): S. 52-70.doi: 10.1016/S0034-4257(98)00034-0
On the relative importance of motion-related contributions to the SAR imaging mechanism of ocean surface waves
Alpers, W.; Bruening, C.. “On the relative importance of motion-related contributions to the SAR imaging mechanism of ocean surface waves”. IEEE Transactions on Geoscience and Remote Sensing GE-24. (1986): S. 873-885.
On the use of SAR in studies of upwelling
Alpers, W.. “On the use of SAR in studies of upwelling”. IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium. 2018 doi: 10.1109/IGARSS.2018.8517686
On the validity of weak particle- field interaction theory for the description of cosmic ray particle diffusion in random magnetic fields
Alpers, W.; Hasselmann, K.; Kunstmann, J.. “On the validity of weak particle- field interaction theory for the description of cosmic ray particle diffusion in random magnetic fields”. Astrophysics and Space Science 58. (1978): S. 259-271.
Perspectives for monitoring of Lake Baikal ecosystem variability using remote sensing data
Semovski, S.V.; Bondarenko, N.A.; Popovskaya, G.I.; Mogilev, N.Y.; Alpers, W.; Schrum, C.. “Perspectives for monitoring of Lake Baikal ecosystem variability using remote sensing data”. Proceedings of the 1999 International Geoscience and Remote Sensing Symposium (IGARSS'99). Vol.II. Hamburg, Germany: 1999, S. 852-854. doi: 10.1109/IGARSS.1999.774463
Proceedings of the 1994 International Geoscience and Remote Sensing Symposium (IGARSS'94)
Vogelzang, J.; Wensink, G.J.; van der Kooij, M.; Alpers, W.; Hennings, I.; Matthews, J.P.. “Proceedings of the 1994 International Geoscience and Remote Sensing Symposium (IGARSS'94)”. Proceedings of the 1994 International Geoscience and Remote Sensing Symposium (IGARSS'94). III. Pasadena, California, USA: 1994, S. 1742-1744.
Radar imaging of Kelvin arms of ship wakes
Hennings, I.; Rosmeiser, R.; Alpers, W.; Viola, A.. “Radar imaging of Kelvin arms of ship wakes”. International Journal of Remote Sensing 20 (13). (1999): S. 2519-2543.doi: 10.1080/014311699211912
Radar signatures of different oceanic surface films measured during the SIR-C/X-SAR missions
Gade, M.; Alpers, W.; Huehnerfuss, H.; Wismann, V.. “Radar signatures of different oceanic surface films measured during the SIR-C/X-SAR missions”. Proceedings of the 16th EARSeL Symposium, Malta, 20-23 May, 1996, Remote Sensing'96. Hg. Spiteri. Balkema, Rotterdam: 1997, S. 233-240.
Radar signatures of marine mineral oil spills measured by an airborne multi-frequency multi-polarization microwave scatterometer
Wismann, V.M.; Gade, M.; Alpers, W.; Huehnerfuss, H.. “Radar signatures of marine mineral oil spills measured by an airborne multi-frequency multi-polarization microwave scatterometer”. International Journal of Remote Sensing 19 (18). (1998): S. 3607-3623.doi: 10.1080/014311698213849
Radar signatures of mineral oil spills measured by an airborne multi-frequency multi-polarization microwave scatterometer
Wismann, V.; Gade, M.; Alpers, W.; Huehnerfuss, H.. “Radar signatures of mineral oil spills measured by an airborne multi-frequency multi-polarization microwave scatterometer”. Proceedings of OCEANS'93. II. Victoria, British Columbia, Canada: 1993, S. 342-347.
Radar signatures of oceanic and atmospheric internal waves: A comparison
Alpers, W.. “Radar signatures of oceanic and atmospheric internal waves: A comparison”. Conference Proceedings of OCEANS 96 MTS/IEEE. 2. Fort Lauderdale, Florida, USA: 1996, S. 873-880. doi: 10.1109/OCEANS.1996.568344
Radar signatures of oil films floating on the sea surface and the Marangoni effect
Alpers, W.; Huenerfuss, H.. “Radar signatures of oil films floating on the sea surface and the Marangoni effect”. Journal of Geophysical Research 93. (1988): S. 3642-3648.doi: 10.1029/JC093iC04p03642
Radar signatures of oil films floating on the sea surface H
Alpers, W.; Huehnerfuss, H.. “Radar signatures of oil films floating on the sea surface H”. Proceedings of the 1987 International Geoscience and Remote Sensing Symposium. Michigan, USA: 1987, S. 741-745.
Rain cells associated with atmospheric fronts over the ocean studied by spaceborne SAR and weather radar", Proceedings of the SEASAR 2006
Alpers, W., Lin; I.-I.. “Rain cells associated with atmospheric fronts over the ocean studied by spaceborne SAR and weather radar", Proceedings of the SEASAR 2006 ”. Proceedings of the SEASAR 2006 Workshop (Advances in SAR Oceanography from Envisat and ERS Missions). Hg. ESA/ESRIN. Frascati, Italy: 2006 pdf
Rain cells over the South China Sea studied by Envisat SAR images, Hong Kong weather radar data and other satellite data
Alpers, W.; Cheng, C.M.; Shao, Y.; Yang, L.. “Rain cells over the South China Sea studied by Envisat SAR images, Hong Kong weather radar data and other satellite data”. Proceedings of the First International Symposium on Cloud-prone and Rainy Areas Remote Sensing (1st CARRS).. Hg. the Institute of Space and Earth Science of The Chinese University of Hong Kong. Hong Kong, China: 2005, S. 267-278.
Rain footprints on C-band synthetic aperture radar images of the ocean - Revisited
Alpers, W.; Zhang, B.; Mouche, A.; Zeng, K.; Chan, P.W.. “Rain footprints on C-band synthetic aperture radar images of the ocean - Revisited”. Remote Sensing of Environment 187. (2016): S. 169-185.doi: 10.1016/j.rse.2016.10.015
Rainfall
Alpers, W.; Melsheimer, Ch.; . “Rainfall”. Synthetic Aperture Radar Marine User's Manual. Hg. Jackson, Ch. R.; Apel, J. R.. Washington, D.C.: National Oceanic and Atmospheric Administration, 2004, S. 355-371. pdf
Real time evaluation of the phase velocity of the ocean dominant wave using a coherent radar system
Moreira, J.; Alpers, W.. “Real time evaluation of the phase velocity of the ocean dominant wave using a coherent radar system”. Proceedings of OCEANS'93. 3. Victoria, Canada: 1993, S. 322-327.
Recent contributions of remote sensing to the study of internal waves in the Straits of Gibraltar and Messina
Alpers, W.; Brand, P.; Rubino, A.; Backhaus, J.O.. “Recent contributions of remote sensing to the study of internal waves in the Straits of Gibraltar and Messina”. Dynamics of mediterranean straits and channels, F. Briand . Hg. CIESM Science Series no.2. no. spécial 17. Monaco: Bulletin de l'Institut Océanographique, 1996, S. 21-40.
Remote Sensing of African coastal waters using active microwaves instruments
Alpers, W.. “Remote Sensing of African coastal waters using active microwaves instruments”. Satellite observations of the African Seas. Hg. Barale, V.; Gade, M. . Ch. 4. Heidelberg,: Springer, 2014, S. 75-94. doi: 10.1007/978-94-017-8008-7_4
Remote sensing of current-wave interaction with SIR-C/X-SAR (SRL-1) at the Gulf Stream Supersite
Valenzuela, G.R.; Chubb, S.R.; Mango, S.A.; Askari, F.; Holt, B.; Alpers, W.; Donato, T.; Shih, E.H.H.. “Remote sensing of current-wave interaction with SIR-C/X-SAR (SRL-1) at the Gulf Stream Supersite”. Proceedings of the 1994 International Geoscience and Remote Sensing Symposium (IGARSS'94). III. Pasadena, California, USA: 1994, S. 1728-1731.
Remote sensing of current-wave interactions with SIR-C/X-SAR during SRL-1 and SRL-2 at the Gulf Stream supersite
Mango, S.A.; Chubb, S.R.; Askari, F.; Lee, J.S.; Valenzuela, G.R.; Jansen, R.W.; Fusina, R.A.; Holt, B.; Goldstein, R.M.; Alpers, W.; Donato, T.F.; Grunes, M.R.; Shih, H.H.; Verdi, J.; Church, J.C.; Shay, L.K.. “Remote sensing of current-wave interactions with SIR-C/X-SAR during SRL-1 and SRL-2 at the Gulf Stream supersite”. Proceedings of the 1995 International Geoscience and Remote Sensing Symposium (IGARSS'95). II. Florence, Italy: 1995, S. 1325-1327.
Remote sensing of oceanic current features by synthetic aperture radar - achievements and perspectives
Romeiser, R.; Ufermann, S.; Alpers, W.. “Remote sensing of oceanic current features by synthetic aperture radar - achievements and perspectives”. Annales Des Télécommunications 56 (11-12). (2001): S. 661-671.doi: 10.1007/BF02995560
Remote sensing of oil spills
Alpers, W.. “Remote sensing of oil spills”. Proceedings of the symposium "Maritime Disaster Management". King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia: 2002, S. 57-68.
Remotely sensed ocean observations of the Coastal Mixing and Optics site from synthetic aperture radar and advanced very high resolution radiometer
Porter, D.L.; Thompson, D.R.; Alpers, W.; Romeiser, R.. “Remotely sensed ocean observations of the Coastal Mixing and Optics site from synthetic aperture radar and advanced very high resolution radiometer”. Journal of Geophysical Research 106 (C5). (2001): S. 9623-9638.doi: 10.1029/2000JC900121
Response of dissolved oxygen and related marine ecological parameters to a tropical cyclone in the South China Sea.
Lin, J.; Tang, D.; Alpers, W.; Wang, S.. “Response of dissolved oxygen and related marine ecological parameters to a tropical cyclone in the South China Sea.”. Advances in Space Research 53 (7). (2014): S. 1081–1091.doi: 10.1016/j.asr.2014.01.005
Review of Dragon Ocean Project ID 2566
He, M.-X.; Alpers, W.; Doerffer, R.. “Review of Dragon Ocean Project ID 2566”. Proceedings of the 2005 Dragon Symposium, 27 June - 1 July 2005 . Hg. ESA publication . SP-611, S3_2. Santorini, Greece: 2006
Roll convection within an arctic cold-air outbreak: Interpretation of in situ aircraft measurements and spaceborne SAR imagery by a three-dimensional atmospheric model",
Mueller, G.; Bruemmer, B.; Alpers, W.. “Roll convection within an arctic cold-air outbreak: Interpretation of in situ aircraft measurements and spaceborne SAR imagery by a three-dimensional atmospheric model", ”. Monthly Weather Review 127. (1999): S. 363-380.
SAR imaging of ocean waves - a review
Alpers, W.. “SAR imaging of ocean waves - a review”. Proceedings of the 1992 International Geoscience and Remote Sensing Symposium. Houston, Texas: 1992, S. 451-454.
SAR oceanography applied to southeast Asian Waters
Alpers, W.. “SAR oceanography applied to southeast Asian Waters”. Geoscience and Remote Sensing Symposium (IGARSS), 2016 IEEE International (2016) China, Beijing, 10-15 July 2016doi: 10.1109/IGARSS.2016.7729568
SAR remote sensing of internal solitary waves in the ocean
Alpers, W.; da Silva, J. C. B.. “SAR remote sensing of internal solitary waves in the ocean”. Advances in SAR Remote Sensing of Oceans. Hg. Li, X.; Guo, H.; Chen, K.-S.; Yang, X.. Boca Raton, Florida: CRC Press, 2018, S. 215-238. doi: 10.1201/9781351235822
Satellite observations of oceanic eddies around Africa
Alpers, W.; Dagorne, D.; Brandt, P.. “Satellite observations of oceanic eddies around Africa”. Satellite observations of the African Seas. Hg. Barale, V.; Gade, M. . Ch. 11. Heidelberg: Springer, 2014, S. 205-229. doi: 10.1007/978-94-017-8008-7_11
Satellite Remote Sensing SAR
Alpers W., Liu A.K., and Wu S.Y.. “Satellite Remote Sensing SAR”. Encyclopedia of Ocean Sciences. 3. Aufl. Hg. Cochran, J. K.; Bokuniewicz, H. J.; Yager, P. L. Bd. 5. San Diego: Academic Press, 2019, S. 429-442.
Scylla and Charybdis observed from space
Alpers, W.; Salusti, E.. “Scylla and Charybdis observed from space”. Journal of Geophysical Research 88. (1983): S. 1800-1808.
Sea slicks and oil spills - the chemical structure and morphology determines the remote sensing signals
Hühnerfuss, H.; Hoffmann, F.; Simon-Kutscher, J.; Alpers, W., Gade, M.. “Sea slicks and oil spills - the chemical structure and morphology determines the remote sensing signals”. Proceedings of the International Geoscience and Remote Sensing. Symposium (IGARSS'04), Anchorage, Alaska. Hg. EEE, Piscataway. NJ, USA: 2004, S. 1366-1369. doi: 10.1109/IGARSS.2004.1368672
Sea surface circulation through the Lombok Strait studied by ERS SAR
Mitnik, L., Alpers, W.. “Sea surface circulation through the Lombok Strait studied by ERS SAR”. Proceedings of the 5th Pacific Ocean Remote Sensing Conference (PORSEC 2000). Goa, India: 2000, S. 313- 317.
Seasat—A 25-year legacy of success
Evans, D.L.; Alpers, W.; Cazenave, A.; Elachi, Ch.; Farr, T.; Glackin, D.; Holt, B.; Jones, L.; Liu, W.T.; Mccandless, W.; Menard, Y.; Moore, R.; Njokua, E.;. “Seasat—A 25-year legacy of success”. Remote Sensing of Environment 94 (3). (2005): S. 384-404.doi: 10.1016/j.rse.2004.09.011
Simulation of ocean waves imaging by an along-track interferometric synthetic aperture radar
Bao, M.; Bruening, C.; Alpers, W.. “Simulation of ocean waves imaging by an along-track interferometric synthetic aperture radar”. IEEE Transactions on Geoscience and Remote Sensing 35 (3). (1997): S. 618-631.doi: 10.1109/36.581977
Simultaneous measurements of the ocean wave-radar modulation transfer function at L, C, and X band from the research platform North Sea
Schmidt, A.; Wismann, V.; Romeiser, R.; Alpers, W.. “Simultaneous measurements of the ocean wave-radar modulation transfer function at L, C, and X band from the research platform North Sea”. Journal of Geophysical Research 100. (1995): S. 8815-8828.doi: 10.1029/95JC00450
Simultaneous observations of rain cells over the ocean by the synthetic aperture radar aboard the ERS satellites and by surface-based weather radars
Melsheimer, C.; Alpers, W.; Gade, M.. “Simultaneous observations of rain cells over the ocean by the synthetic aperture radar aboard the ERS satellites and by surface-based weather radars”. Journal of Geophysical Research 106 (C3). (2001): S. 4665-4678.doi: 10.1029/2000JC000263
Simultaneous observations of rain cells over the ocean by the synthetic aperture radar aboard the ERS-1/2 satellites and by weather radars
Melsheimer, C.; Alpers, W.; Gade, M.. “Simultaneous observations of rain cells over the ocean by the synthetic aperture radar aboard the ERS-1/2 satellites and by weather radars”. Proceedings of the 1999 International Geoscience and Remote Sensing Symposium (IGARSS'99). Vol.I. Hamburg, Germany: 1999, S. 194-196. doi: 10.1109/IGARSS.1999.773444
Spatial dependence of the pitch-angle and associated spatial diffusion coefficients for cosmic rays in interplanetary space
Voelk, H.; Morfill, G.; Alpers, W.; Lee, M.. “Spatial dependence of the pitch-angle and associated spatial diffusion coefficients for cosmic rays in interplanetary space”. Astrophysics and Space Science 26. (1974): S. 403-430.
Spectral anisotropy of Alfven waves in the solar wind
Voelk, H.; Alpers, W.. “Spectral anisotropy of Alfven waves in the solar wind”. Cosmic Plasma Physics. Hg. Schindler, K.. New York, London: Plenum Press, 1972, S. 105-111.
Spectral signal to clutter and thermal noise properties of ocean wave imaging synthetic aperture radars
Alpers, W.; Hasselmann, K.. “Spectral signal to clutter and thermal noise properties of ocean wave imaging synthetic aperture radars”. International Journal of Remote Sensing 3. (1982): S. 423-446.
Steady state charge neutral models of the magnetopause
Alpers, W.. “Steady state charge neutral models of the magnetopause”. Astrophysics and Space Science 5. (1969): S. 425-437.
Study of a Wind Front over the Northern South China Sea Generated by the Freshening of the North-East Monsoon
Alpers, W.; Wong, W. K.; Dagestad, K.-F.; Chan, P.W.. “Study of a Wind Front over the Northern South China Sea Generated by the Freshening of the North-East Monsoon”. Boundary Layer Meteorology 157 (1). (2015): S. 125-140.doi: 10.1007/s10546-015-0050-8
Study of a winter monsoon front over the South China Sea by multi-sensor satellite and weather radar data, and a numerical model
Alpers, W.; Wong, W. K.; Dagestad, K.-F.; Chan, P. W.. “Study of a winter monsoon front over the South China Sea by multi-sensor satellite and weather radar data, and a numerical model”. Proceedings of “SEASAR 2012”, 18-22 June 2012. Tromsø, Norwegen: ESA Publication, 2013, S. 299-307. pdf
Study of atmospheric boundary layer rolls near Spitsbergen by using ERS SAR images of the sea surface and a numerical model
Alpers, W.; Mueller, G.; Bruemmer, B.. “Study of atmospheric boundary layer rolls near Spitsbergen by using ERS SAR images of the sea surface and a numerical model”. Proceedings of the 1997 International Geoscience and Remote Sensing Symposium (IGARSS'97). 3. Singapore: 1997, S. 1162-1164. doi: 10.1109/IGARSS.1997.606384
Study of Gulf Stream features with a multi-frequency polarimetric SAR from the space shuttle
Askari, F.; Chubb, S. R.; Donato, T.; Alpers, W.; Mango, S. A.. “Study of Gulf Stream features with a multi-frequency polarimetric SAR from the space shuttle”. Proceedings of the 1997 International Geoscience and Remote Sensing Symposium (IGARSS'97). 4. Singapore: 1997, S. 1521-1523. doi: 10.1109/IGARSS.1997.608928
Study of Gulf Stream features with a multi-frequency polarimetric SAR from the Space Shuttle
Chubb, S.R.; Donato, T.; Askari, F.; Rosmeiser, R.; Ufermann, S.; Cooper, W.; Alpers, W.; Mango, S.A.; Lee, J.S.. “Study of Gulf Stream features with a multi-frequency polarimetric SAR from the Space Shuttle”. IEEE Transactions on Geoscience and Remote Sensing 37 (5). (1999): S. 2495-2507.doi: 10.1109/36.789645
Study of katabatic wind fields by using ERS-1 synthetic aperture radar imagery of the ocean surface.
Alpers, W.; Pahl, U.; Gross, G.; Etling, D.. “Study of katabatic wind fields by using ERS-1 synthetic aperture radar imagery of the ocean surface.”. Proceedings of the 1996 International Geoscience and Remote Sensing Symposium (IGARSS'96).. III. Lincoln, Nebraska, USA: 1996, S. 1478-1480. doi: 10.1109/IGARSS.1996.516703
Study of mesoscale atmospheric phenomena over the ocean by ERS SAR and numerical models
Alpers, W.; Pahl, U.; Gross, G.; Mueller, G.; Bruemmer, B.. “Study of mesoscale atmospheric phenomena over the ocean by ERS SAR and numerical models”. Proceedings of the 3rd ERS Symposium. 2. Florence, Italy: 1997, S. 1017-1022.
Study of Rain Events over the South China Sea by Synergistic Use of Multi-sensor Satellite and Ground-based Meteorological Data
Alpers, W.; Cheng, Ch.M.; Shao, Y.; Yang, L.. “Study of Rain Events over the South China Sea by Synergistic Use of Multi-sensor Satellite and Ground-based Meteorological Data”. Photogrammetric Engineering and Remote Sensing 73 (3). (2007): S. 267-278.doi: 10.14358/PERS.73.3.267
Study of secondary internal wave generation by the interaction of an internal solitary wave with an underwater bank by using ERS SAR imagery and a numerical model
Alpers, W.; Vlasenko, V.. “Study of secondary internal wave generation by the interaction of an internal solitary wave with an underwater bank by using ERS SAR imagery and a numerical model”. Proceedings of The Sixth Pan Ocean Remote Sensing Conference (PORSEC 2002). Vol.I. Bali, Indonesia: 2002, S. 165-169.
Study of the generation and propagation of internal waves in the Strait of Gibraltar using a numerical model and synthetic aperture radar images of the European ERS 1 satellite
Brandt, P. ;Alpers, W.; Backhaus, J.O.. “Study of the generation and propagation of internal waves in the Strait of Gibraltar using a numerical model and synthetic aperture radar images of the European ERS 1 satellite”. Journal of Geophysical Research: Oceans 101 (C6). (1996): S. 14237-14252.doi: 10.1029/96JC00540
Study of wind fields associated with subtropical squall lines using Envisat synthetic aperture radar images and ground-based weather radar data
Chang, P.; Cheng, c.M.; Alpers, W.. “Study of wind fields associated with subtropical squall lines using Envisat synthetic aperture radar images and ground-based weather radar data”. International Journal of Remote Sensing 31 (17-18). (2010): S. 4897-4914.doi: 10.1080/01431161.2010.485144
Surface films
Alpers, W.. “Surface films”. Encyclopedia of Ocean Sciences. Hg. Steele, J; Thorpe, S.; Turekian, K. . London: Academic Press, 2001, S. 2913 – 2915. doi: 10.1006/rwos.2001.0065
Surface Films
Alpers, W.. “Surface Films”. Encyclopedia of Ocean Sciences. 3. Aufl. Hg. Cochran, J. K.; Bokuniewicz, H. J.; Yager, P. L.. Bd. 3. Academic Press: San Diego, 2019, S. 42-46.
The damping of ocean surface waves by a monomolecular film measured by wavestaffs and microwave radars
Huehnerfuss, H.; Alpers, W.; Jones, W. L.; Lange, P. A.; Richter, K.. “The damping of ocean surface waves by a monomolecular film measured by wavestaffs and microwave radars”. Journal of Geophysical Research 86. (1981): S. 429-438.
The damping of ocean surface waves by monomolecular sea slicks measured by airborne multi-frequency radars during the SAXON-FPN experiment
Alpers, W.; Wismann, V.; Theis, R.; Huehnerfuss, N.; Bartsch, N.; Moreira, J.; Lyden, J.D.. “The damping of ocean surface waves by monomolecular sea slicks measured by airborne multi-frequency radars during the SAXON-FPN experiment”. Proceedings of the 1991 International Geoscience and Remote Sensing Symposium. Vol.4. Helsinki, Finland: 1991, S. 1987-1990.
The damping of ocean surface waves by monomolecular sea slicks of different visco-elastic properties measured by a 4-frequency scatterometer aboard a helicopter
Theis, R.; Alpers, W.; Wismann, V.; Huehnerfuss, H.. “The damping of ocean surface waves by monomolecular sea slicks of different visco-elastic properties measured by a 4-frequency scatterometer aboard a helicopter”. Proceedings of the 1992 International Geoscience and Remote Sensing Symposium . Vol. 2. Houston, Texas: 1992, S. 865-868.
The damping of ocean waves by surface films: a new look at an old problem
Alpers, W.; Huenerfuss, H.;. “The damping of ocean waves by surface films: a new look at an old problem”. Journal of Geophysical Research 94. (1989): S. 6251-6265.doi: 10.1029/JC094iC05p06251
The damping of short gravity-capillary waves by experimental sea slicks measured by an airborne multi-frequency microwave scatterometer
Wismann, V.; Theis, R.; Alpers, W.; Huehnerfuss, H.. “The damping of short gravity-capillary waves by experimental sea slicks measured by an airborne multi-frequency microwave scatterometer”. Proceedings of OCEANS'93 . II. Victoria, British Columbia, Canada: 1993, S. 342-347.
The decomposition of Bethe-Salpeter amplitude into standard covariants and invariant amplitudes
Alpers, W.. “The decomposition of Bethe-Salpeter amplitude into standard covariants and invariant amplitudes”. Nuclear Physics B6. (1968): S. 353-366.
The distribution of internal waves in the China Seas studied by multi-sensor satellite images
Alpers, W.; He, M.-X; Zeng; Guo, L.F.; Li, X.M.. “The distribution of internal waves in the China Seas studied by multi-sensor satellite images”. Proceedings of the 2005 Dragon Symposium, 27 June - 1 July 2005 . Hg. ESA publication . SP-611, S3-6. Santorini, Greece: 2006
The distribution of internal waves in the East China Sea and the Yellow Sea studied by multi-sensor satellite images
Alpers, W.; He, M.-X.; Zeng, K.; Guo, L.-F.; Li, X.-M.. “The distribution of internal waves in the East China Sea and the Yellow Sea studied by multi-sensor satellite images”. Proceedings of the 2005 International Geoscience and Remote Sensing Symposium" (IGARSS'05), Seoul, Korea. Hg. IEEE, Piscataway. NJ, USA: 2005
The effect of monomolecular surface films on the microwave brightness temperature of the sea surface
Alpers, W.; Blume, H.-J.C.; Garrett W. D.; Huehnerfuss, H.. “The effect of monomolecular surface films on the microwave brightness temperature of the sea surface”. International Journal of Remote Sensing 3. (1982): S. 457-474.
The effect of orbital motions on synthetic aperture radar imagery of ocean waves
Alpers, W.; Rufenach, C. L.. “The effect of orbital motions on synthetic aperture radar imagery of ocean waves”. IEEE Transactions on Antennas and Propagation AP-27. (1979): S. 685-690.
The Effect of Rain on Radar Backscattering from the Ocean
Zhang, B., Alpers, W.. “The Effect of Rain on Radar Backscattering from the Ocean”. Advances in SAR Remote Sensing of Oceans. Hg. Li, X.; Guo, H., Chen, K.-S.; Yang, X. Boca Raton: CRC Press, 2018 doi: 10.1201/9781351235822
The ERS/Envisat contribution to oceanographic research
Alpers, W.; Campbell, G.. “The ERS/Envisat contribution to oceanographic research”. Proceedings of The Sixth Pan Ocean Remote Sensing Conference (PORSEC 2002). Vol.II. Bali, Indonesia: 2002, S. 491-496.
The estimation of ocean wave parameters from image spectra obtained by different orbital altitude SARs
Litovchenko, K.Ts.; Raev, M.D.; Semenov, S.S; Etkin, V.S.; Zaitsev, V.V; Ivanov, A,Yu.; Alpers, W.. “The estimation of ocean wave parameters from image spectra obtained by different orbital altitude SARs”. Russian Academy of Sciences 3. (1995): S. 47-55.
The generation and propagation of internal wave forms in the Strait of Gibraltar studied by ERS-1 SAR imagery and a numerical model"
Brandt, P.; Alpers, W.. “The generation and propagation of internal wave forms in the Strait of Gibraltar studied by ERS-1 SAR imagery and a numerical model"”. Proceedings of the 1994 International Geoscience and Remote Sensing Symposium (IGARSS'94). IV. Pasadena, California, USA: 1994, S. 2023-2025.
The German surface film experiments during the two SIR-C/X-SAR missions
Gade, M.; Alpers, W.. “The German surface film experiments during the two SIR-C/X-SAR missions”. EARSeL newsletter No. 23. (1995): S. 17-23.
The imaging of tidal flats by the SIR-C/X-SAR multifrequency/multipolarisation synthetic aperture radar
Melsheimer, C.; Tanck, G.; Gade, M.; Alpers, W.. “The imaging of tidal flats by the SIR-C/X-SAR multifrequency/multipolarisation synthetic aperture radar”. Operational Remote Sensing for Sustainable Development. Hg. Nieuwenhuis, G. A.; Vaughan, R. A.; Molenaar, M.. Rotterdam: Balkema, 1999, S. 189-192.
The modification of X- and L-band radar signals by monomolecular sea slicks
Huenerfuss, H.; Alpers, W.; Cross, A.; Garret, W.D.; Keller W.C.; Lange, P.A.; Plant, W.J.; Schlude, F.; Schuler, D.L.. “The modification of X- and L-band radar signals by monomolecular sea slicks”. The modification of X- and L-band radar signals by monomolecular sea slicks 88. (1983): S. 9817-9822.
The modulation of the radar back- scattering cross section by long ocean waves
Alpers, W.; Jones, W.L.. “The modulation of the radar back- scattering cross section by long ocean waves”. Proceedings of the 12th International Symposium on Remote Sensing of Environment. Manila, Philippines: 1978, S. 1597-1608.
The molecular structure of the system water/monomolecular surface films and its influence on water waves
Huehnerfuss, H.; Alpers, W.. “The molecular structure of the system water/monomolecular surface films and its influence on water waves”. Role of Surfactant Films on the Interfacial Properties of the Sea Surface. Hg. Herr, F. L.; Williams, J.. London: US Office of Naval Research, 1986, S. 121-156.
The occurrence of slicks on the ocean surface and their influence on remote sensing signals
Huehnerfuss, H.; Alpers, W.. “The occurrence of slicks on the ocean surface and their influence on remote sensing signals”. Proceedings of the 1982 International Geoscience and Remote Sensing Symposium . 1. München: 1982, S. 2.1.-2.4.
The propagation of Alfven waves and their directional anisotrophy in the solar wind
Voelk, H.; Alpers, W.. “The propagation of Alfven waves and their directional anisotrophy in the solar wind”. Astrophysics and Space Science 20. (1973): S. 267-285.
The reduction of the radar backscatter from the ocean in the presence of biogenic and anthropogenic surface films measured by an airborne scatterometer
Gade, M.; Alpers, W.; Huehnerfuss, H.; Wismann, V.. “The reduction of the radar backscatter from the ocean in the presence of biogenic and anthropogenic surface films measured by an airborne scatterometer”. Future Trends in Remote Sensing. Hg. Gudmandsen, P. . Rotterdam: Balkema, 1998, S. 361-368.
The relationship between ocean wave and SAR image spectra studied by Monte-Carlo simulation techniques
Bruening, C.; Alpers, W.; Schmidt, R.; Richter, K.. “The relationship between ocean wave and SAR image spectra studied by Monte-Carlo simulation techniques”. Proceedings of the 1992 International Geoscience and Remote Sensing Symposium . Hg. IGARSS'92. Vol.II. Houston, Texas: 1992, S. 1093-1096.
The response of synthetic aperture radar to ocean surface waves
Hasselmann, K.; Alpers, W.. “The response of synthetic aperture radar to ocean surface waves”. Wave Dynamics and Radio Probing of the Ocean Surface. Hg. Phillips, O. M.; Hasselmann, K.. New York: Plenum Publishing Corp.,, 1986, S. 393-402.
The Rhine outflow plume studied by the analysis of synthetic aperture radar data and numerical simulations
Hessner, K.; Rubino, A.; Brandt, P.; Alpers, W.. “The Rhine outflow plume studied by the analysis of synthetic aperture radar data and numerical simulations”. Journal of Physical Oceanography 31. (2001): S. 3030-3044.
The Rhine outflow studied by the analysis of ERS1/2 SAR data and numerical simulations
Hessner, K.; Rubino, A.; Alpers, W.. “The Rhine outflow studied by the analysis of ERS1/2 SAR data and numerical simulations”. Proceedings of the 3rd ERS Symposium. 2. Florence, Italy: 1997, S. 1029-1034.
The role of the critical angle in brightness reversals on sunglint images of the sea surface
Jackson, C.R.; Alpers, W.. “The role of the critical angle in brightness reversals on sunglint images of the sea surface”. Journal of Geophysical Research 115 (C9), C09019. (2010): S. C09019.doi: 10.1029/2009JC006037
The SAXON-FPN experiment
Plant, W.J.; Alpers, W.. “The SAXON-FPN experiment”. Proceedings of the 1991 International Geoscience and Remote Sensing Symposium . Vol.4. Helsinki, Finland: 1991, S. 1983-1986.
The two-frequency microwave scatterometer for measuring ocean waves
Alpers, W.; Bommas, G.. “The two-frequency microwave scatterometer for measuring ocean waves”. Utilization of Space Shuttle and Spacelab. Hg. Deutsche Gesellschaft fuer Luft- und Raumfahrt. Köln: Deutsche Gesellschaft fuer Luft- und Raumfahrt, 1976, S. 711-720.
The two-frequency microwave technique for measuring ocean wave spectra from an airplane or satellite
Alpers, W.; Hasselmann, K.. “The two-frequency microwave technique for measuring ocean wave spectra from an airplane or satellite”. Boundary Layer Meteorology 13. (1978): S. 215-230.
The two-frequency scatterometer for measuring ocean wave spectra from a satellite (SPACELAB)
Alpers, W.. “The two-frequency scatterometer for measuring ocean wave spectra from a satellite (SPACELAB)”. Proceedings of the GTDA Symposium on Remote Sensing. St. Mande Paris: 1977, S. 405-409.
Theory of radar imaging of internal waves
Alpers, W.. “Theory of radar imaging of internal waves”. Nature 314. (1985): S. 245-247.
Theory of SAR ocean wave imaging: A MARSEN view
Hasselmann, K.; Raney, R.K.; Plant, W.J.; Alpers, R.A., Shuchman, R.A.; Lyzenga, R.A; Rufenach, C.L.; Tucker M.J.. “Theory of SAR ocean wave imaging: A MARSEN view”. Journal of Geophysical Research 90. (1985): S. 4659-4686.
Thermal plumes and internal solitary waves generated in the Lombok Strait studied by ERS SAR
Mitnik, L.; Alpers, W.; Lim, H.. “Thermal plumes and internal solitary waves generated in the Lombok Strait studied by ERS SAR”. ERS-Envisat Symposium: Looking down to Earth in the New Millenium, 16-20 October 2000. Gothenburg, Sweden. Hg. European Space Agency, Publication Division. SP-461. Noordwijk, The Netherlands: 2000, S. 1-9.
Tide-generated nonlinear internal wave packets in the Strait of Gibraltar observed by the synthetic aperture radar aboard the ERS-1 satellite
Alpers, W.; La Violette, P.E.;. “Tide-generated nonlinear internal wave packets in the Strait of Gibraltar observed by the synthetic aperture radar aboard the ERS-1 satellite”. Proceedings of the First ERS-1 Symposium . Hg. Space at the Service of our Environment, held at Cannes. Paris, France: ESA, 1993, S. 753-758.
Tower based measurements of the ocean wave-radar modulation transfer function with a three-frequency scatterometer
Schmidt, A.; Wismann, V.; Romeiser, R.; Alpers, W.. “Tower based measurements of the ocean wave-radar modulation transfer function with a three-frequency scatterometer”. Proceedings of OCEANS'93. 3. Victoria, Canada: 1993, S. 298-303.
Tower-based measurements of the ocean C-band radar backscattering cross section
Keller, W.C.; Wismann, V.; Alpers, W.. “Tower-based measurements of the ocean C-band radar backscattering cross section”. Journal of Geophysical Research 94. (1989): S. 924-930.doi: 10.1029/JC094iC01p00924
Underwater Topography
Alpers, W.; Campbell, G.; Wensik, H.; Zheng, Q.. “Underwater Topography”. Synthetic Aperture Radar Marine User's Manual. Hg. Jackson, Ch. R.; Apel, J. R.. Washington: National Oceanic and Atmospheric Administration, 2004, S. 245-262. pdf
Using ERS-2 SAR images for routine observation of marine pollution in European coastal waters
Gade, M.; Alpers, W.. “Using ERS-2 SAR images for routine observation of marine pollution in European coastal waters”. Science of the Total Environment 237/238. (1999): S. 441-448.doi: 10.1016/S0048-9697(99)00156-4
Validation of a numerical model describing the generation and propagation of internal waves in the Strait of Gibraltar by using ERS-1 synthetic aperture radar data
Brandt, P.; Alpers, W.. “Validation of a numerical model describing the generation and propagation of internal waves in the Strait of Gibraltar by using ERS-1 synthetic aperture radar data”. Proceedings of the 2nd ERS-1 Symposium. I, ESA SP-361. Hamburg, Germany: 1993, S. 225-231.
Validation of a synthetic aperture radar ocean wave imaging theory by the Shuttle Imaging Radar-B Experiment over the North Sea
Bruening, C.; Alpers, W.; Zambresky, L.F.; tilley, D.G.. “Validation of a synthetic aperture radar ocean wave imaging theory by the Shuttle Imaging Radar-B Experiment over the North Sea”. Journal of Geophysical Research 93 (C12). (1988): S. 15403-15425.doi: 10.1029/JC093iC12p15403
Validation of ERS-1 synthetic aperture radar for imaging ocean waves - first results
Bruening, C.; Alpers, W.; Wilder, A.; Ziemer, F.. “Validation of ERS-1 synthetic aperture radar for imaging ocean waves - first results”. Proceedings of the Central Symposium of the "International Space Year". Hg. ESA. Paris, France: ESA, 1992, S. 251-255.
Variation of the microwave brightness temperature of sea surfaces covered with mineral and monomolecular oil films
Alpers, W.; Blume, H.-J.C.; Huenerfuss, H.. “Variation of the microwave brightness temperature of sea surfaces covered with mineral and monomolecular oil films”. IEEE Transactions on Geoscience and Remote Sensing 88. (1983): S. 295-300.
Vergleich von simulierten und gemessenen X-SAR/SIR-C-Radarsignaturen der Wasseroberfläche im Gebiet der Nordsee
Why SAR wave mode data of ERS and Envisat are inadaequate for giving the probability of occurrence of freak waves
Janssen, P.; Alpers, W.. “Why SAR wave mode data of ERS and Envisat are inadaequate for giving the probability of occurrence of freak waves”. Proceedings of the SEASAR 2006 Workshop (Advances in SAR Oceanography from Envisat and ERS Missions). Hg. ESA/ESRIN. Frascati, Italy: 2006
Wind wave tank measurements of bound and freely propagating short gravity-capillary waves
Gade, M.; Alpers, W.; Ermakov, S.A.; Huehnerfuss, H.; Lange, P.A.. “Wind wave tank measurements of bound and freely propagating short gravity-capillary waves”. Journal of Geophysical Research: Oceans 103 (C10). (1998): S. 21697-21710.doi: 10.1029/98JC00778
Wind wave tank measurements of wave damping and radar cross sections in the presence of monomolecular surface films
Gade, M.; Alpers, W.; Huehnerfuss, H.; Lange, P.A.. “Wind wave tank measurements of wave damping and radar cross sections in the presence of monomolecular surface films”. Journal of Geophysical Research: Oceans 103 (C2). (1998): S. 3167-3178.doi: 10.1029/97JC01578
Wind- und Seegangsmessungen mit Mikrowellen vom Weltraum aus
Alpers, W.. “Wind- und Seegangsmessungen mit Mikrowellen vom Weltraum aus”. Annalen der Meteorologie 26. (1989): S. 63-66.