NDLI: Impact of the Sun on remote sensing of sea surface salinity from space

Content Provider	IEEE Xplore Digital Library
Author	Le Vine, D.M. Abraham, S. Wentz, F. Lagerloef, G.S.E.
Copyright Year	2005
Description	Author affiliation: Goddard Space Flight Center, Greenbelt, MD, USA (Le Vine, D.M.; Abraham, S.)
Abstract	The Sun is a sufficiently strong source of radiation at L-band to be an important source of interference for radiometers on future satellite missions such as SMOS, Aquarius, and Hydros designed to monitor soil moisture and sea surface salinity. Radiation from the Sun can impact passive remote sensing systems in several ways, including line-of-sight radiation that comes directly from the Sun and enters through antenna side lobes and radiation that is reflected from the surface to the radiometer. Examples are presented in the case of Aquarius, a pushbroom radiometer with three beams designed to monitor sea surface salinity. Near solar minimum, solar contamination is not a problem unless the Sun enters near the main beam. But near solar maximum, contamination from the Sun equivalent to a change of salinity on the order of 0.1 psu can occur even when the signal enters in sidelobes far from the main beam.
File Size	442234
File Format	PDF
ISBN	0780390504
DOI	10.1109/IGARSS.2005.1526164
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-29
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sun Remote sensing Sea surface salinity Remote monitoring Radiometers Contamination L-band Interference Satellite broadcasting Radiation monitoring
Content Type	Text
Resource Type	Article

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