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Author Holbach, H.M.; Uhlhorn, E.W.; Bourassa, M.A.
Title Off-Nadir SFMR Brightness Temperature Measurements in High-Wind Conditions Type $loc['typeJournal Article']
Year 2018 Publication Journal of Atmospheric and Oceanic Technology Abbreviated Journal J. Atmos. Oceanic Technol.
Volume 35 Issue 9 Pages 1865-1879
Keywords Tropical cyclones; Wind; Air-sea interaction; Microwave observations; Remote sensing; Surface observations
Abstract Wind and wave-breaking directions are investigated as potential sources of an asymmetry identified in off-nadir remotely sensed measurements of ocean surface brightness temperatures obtained by the Stepped Frequency Microwave Radiometer (SFMR) in high-wind conditions, including in tropical cyclones. Surface wind speed, which dynamically couples the atmosphere and ocean, can be inferred from SFMR ocean surface brightness temperature measurements using a radiative transfer model and an inversion algorithm. The accuracy of the ocean surface brightness temperature to wind speed calibration relies on accurate knowledge of the surface variables that are influencing the ocean surface brightness temperature. Previous studies have identified wind direction signals in horizontally polarized radiometer measurements in low to moderate (0�20 m s−1) wind conditions over a wide range of incidence angles. This study finds that the azimuthal asymmetry in the off-nadir SFMR brightness temperature measurements is also likely a function of wind direction and extends the results of these previous studies to high-wind conditions. The off-nadir measurements from the SFMR provide critical data for improving the understanding of the relationships between brightness temperature, surface wave�breaking direction, and surface wind vectors at various incidence angles, which is extremely useful for the development of geophysical model functions for instruments like the Hurricane Imaging Radiometer (HIRAD).
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0739-0572 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ rl18 @ Serial 980
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Author Holbach, H.M.; Bourassa, M.A.
Title Platform and Across-Swath Comparison of Vorticity Spectra From QuikSCAT, ASCAT-A, OSCAT, and ASCAT-B Scatterometers Type $loc['typeJournal Article']
Year 2017 Publication IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Abbreviated Journal IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing
Volume 10 Issue 5 Pages 2205-2213
Keywords Consistency; intercalibration; scatterometer; vorticity
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Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1939-1404 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 21
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Author Ali, M.M.; Bourassa, M.A.; Bhowmick, S.A.; Sharma, R.; Niharika, K.
Title Retrieval of Wind Stress at the Ocean Surface From AltiKa Measurements Type $loc['typeJournal Article']
Year 2016 Publication IEEE Geoscience and Remote Sensing Letters Abbreviated Journal IEEE Geosci. Remote Sensing Lett.
Volume 13 Issue 6 Pages 821-825
Keywords AltiKa; artificial neural networks (ANNs); wind stress
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1545-598X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 29
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Author Ali, M.M.; Bhowmick, S.A.; Sharma, R.; Chaudhury, A.; Pezzullo, J.C.; Bourassa, M.A.; Ramana, I.V.; Niharika, K.
Title An Artificial Neural Network Model Function (AMF) for SARAL-Altika Winds Type $loc['typeJournal Article']
Year 2015 Publication IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Abbreviated Journal IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing
Volume 8 Issue 11 Pages 5317-5323
Keywords AltiKa; artificial neural network (ANN); geophysical data records; wind speed
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Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1939-1404 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 118
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Author Ali, M.M.; Bhat, G.S.; Long, D.G.; Bharadwaj, S.; Bourassa, M.A.
Title Estimating Wind Stress at the Ocean Surface From Scatterometer Observations Type $loc['typeJournal Article']
Year 2013 Publication IEEE Geoscience and Remote Sensing Letters Abbreviated Journal IEEE Geosci. Remote Sensing Lett.
Volume 10 Issue 5 Pages 1129-1132
Keywords Atmospheric stability; neutral stability; scatterometer; wind stress
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Series Editor Series Title Abbreviated Series Title
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ISSN 1545-598X ISBN Medium
Area Expedition Conference
Funding NASA, OVWST Approved $loc['no']
Call Number COAPS @ mfield @ Serial 184
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Author Weissman, D.E.; Bourassa, M.A.
Title The Influence of Rainfall on Scatterometer Backscatter Within Tropical Cyclone Environments-Implications on Parameterization of Sea-Surface Stress Type $loc['typeConference Article']
Year 2011 Publication IEEE Transactions on Geoscience and Remote Sensing Abbreviated Journal IEEE Trans. Geosci. Remote Sensing
Volume 49 Issue 12 Pages 4805-4814
Keywords Meteorological radar; radar cross section; radar remote sensing; scatterometry
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0196-2892 ISBN Medium
Area Expedition Conference
Funding NASA, OVWST Approved $loc['no']
Call Number COAPS @ mfield @ Serial 284
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Author Weissman, D.E.; Bourassa, M.A.
Title Measurements of the Effect of Rain-Induced Sea Surface Roughness on the QuikSCAT Scatterometer Radar Cross Section Type $loc['typeJournal Article']
Year 2008 Publication IEEE Transactions on Geoscience and Remote Sensing Abbreviated Journal IEEE Trans. Geosci. Remote Sensing
Volume 46 Issue 10 Pages 2882-2894
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ISSN 0196-2892 ISBN Medium
Area Expedition Conference
Funding NASA, OVWST, NASA HQ Approved $loc['no']
Call Number COAPS @ mfield @ Serial 681
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Author Weissman, D.E.; Bourassa, M.A.; O'Brien, J.J.; Tongue, J.S.
Title Calibrating the quikscat/seawinds radar for measuring rainrate over the oceans Type $loc['typeJournal Article']
Year 2003 Publication IEEE Transactions on Geoscience and Remote Sensing Abbreviated Journal IEEE Trans. Geosci. Remote Sensing
Volume 41 Issue 12 Pages 2814-2820
Keywords Next Generation Weather Radar (NEXRAD); precipitation; radar reflectivity; scatterometer normalized radar cross section (NRCS); space-based radar; Tropical Rain Measuring Mission (TRMM)
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Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0196-2892 ISBN Medium
Area Expedition Conference
Funding NASA Approved $loc['no']
Call Number COAPS @ mfield @ Serial 468
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Author Bourassa, M.A.; Freilich, M.H.; Legler, D.M.; Liu, W.T.; O'Brien, J.J.
Title Wind observations from new satellite and research vessels agree Type $loc['typeJournal']
Year 1997 Publication Eos, Transactions American Geophysical Union Abbreviated Journal Eos Trans. AGU
Volume 78 Issue 51 Pages 597
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0096-3941 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 726
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Author Smith, S.R.; Bourassa, M.A.; Long, M.
Title Pirate attacks affect Indian Ocean climate research Type $loc['typeMagazine Article']
Year 2011 Publication Eos, Transactions American Geophysical Union Abbreviated Journal Eos Trans. AGU
Volume 92 Issue 27 Pages 225
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Series Editor Series Title Abbreviated Series Title
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ISSN 0096-3941 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 325
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