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Stable targets for spaceborne microwave radiometer calibration

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dc.contributor.author Njoku, Eni G.
dc.contributor.author Chan, S. K.
dc.contributor.author Armstrong, R. L.
dc.contributor.author Brodzik, M. J.
dc.contributor.author Savoie, M. H.
dc.contributor.author Knowles, K.
dc.date.accessioned 2007-04-03T21:39:28Z
dc.date.available 2007-04-03T21:39:28Z
dc.date.issued 2006-02-28
dc.identifier.citation 9th Specialist Meeting on Microwave Radiometry and Remote Sensing Applications, San Juan, Puerto Rico, February 28 - March 3, 2006. en
dc.identifier.clearanceno 06-0481
dc.identifier.uri http://hdl.handle.net/2014/40182
dc.description.abstract Beginning in the 1970s, continuous observations of the Earth have been made by spaceborne microwave radiometers. Since these instruments have different observational characteristics, care must be taken in combining their data to form consistent long term records of brightness temperatures and derived geophysical quantities. To be useful for climate studies, data from different instruments must be calibrated relative to each other and to reference targets on the ground whose characteristics are stable and can be monitored continuously. Identifying such targets over land is not straightforward due to the heterogeneity and complexity of the land surface and cover. In this work, we provide an analysis of multi-sensor brightness temperature statistics over ocean, tropical forest, and ice sheet locations, spanning the period from 1978 to the present, and indicate the potential of these sites as continuous calibration monitoring targets. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 1863575 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006. en
dc.subject microwave radiometers en
dc.subject calibration en
dc.title Stable targets for spaceborne microwave radiometer calibration en


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