NDLI: Simultaneous X-band radar and Ka-band radiometer observations of the ocean

Content Provider	IEEE Xplore Digital Library
Author	Irisov, V. Plant, W.J.
Copyright Year	2007
Description	Author affiliation: Zel Technol., Boulder (Irisov, V.)
Abstract	Simultaneous microwave radar and radiometer observations of the ocean were conducted from aircraft during the ShoWEx'99 experiment. Both radar and radiometer wind dependences show similar signal growth with wind speed increase (except for the radiometer at vertical polarization and a near-Brewster angle). Analysis of the low-wind data shows that wind speed is a poor characteristic of the sea surface state in calm conditions because the wind field itself is quite non-uniform in space and time. Under such conditions both radar and radiometer data show strong scatter versus mean wind speed, but they are still well correlated with each other. We conclude that both active and passive instruments respond to the local variations of the sea surface roughness, which are not related to the mean wind speed at low winds. Our comparison shows that the best correlation is between the radar looking at 40-60deg and the near-nadir looking radiometer, which agrees with the theory of scattering/emission from a rough surface.
Starting Page	3498
Ending Page	3501
File Size	885055
Page Count	4
File Format	PDF
ISBN	9781424412112
DOI	10.1109/IGARSS.2007.4423600
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-23
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave radiometry Wind speed Radar scattering Sea surface Airborne radar Oceans Aircraft Polarization Instruments Sea surface roughness sea surface electromagnetic scattering microwave radiometry
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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