NDLI: Signature of clouds over sea ice detected by the Special Sensor Microwave/Imager (SSM/I)

Content Provider	IEEE Xplore Digital Library
Author	Jungang Miao Johnsen, K.-P. Heygster, G.
Copyright Year	1999
Description	Author affiliation: Inst. of Environ. Phys., Bremen Univ., Germany (Jungang Miao)
Abstract	Quantitative determination of cloud parameters over sea ice using the radiometric measurements at SSM/I frequencies has been difficult due to the strong and highly variable surface emissions from sea ice. The authors try to suppress these variations using a ratio of polarisation differences at two frequencies, which is called the R-factor. Using a simple radiative transfer equation for a one-layer atmosphere, they proved that the surface signal and the atmospheric signal can be easily separated in the logarithmic expression of this R factor. If it is valid to assume that the surface parameter changes within two days are not very significant, the day-to-day variation of the cloud parameters (mainly the cloud liquid water) over sea ice can be detected using the SSM/I measurements.
Starting Page	2075
Ending Page	2077
File Size	295641
Page Count	3
File Format	PDF
ISBN	0780352076
DOI	10.1109/IGARSS.1999.775036
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-06-28
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Clouds Sea ice Sea surface Sea measurements Ice surface Radiometry Frequency measurement Polarization Equations Atmosphere
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
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