Stable targets for spaceborne microwave radiometer calibration
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 derive...
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Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006.
2007
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Online Access: | http://hdl.handle.net/2014/40182 |
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ftnasajpl:oai:trs.jpl.nasa.gov:2014/40182 2023-05-15T16:40:47+02:00 Stable targets for spaceborne microwave radiometer calibration Njoku, Eni G. Chan, S. K. Armstrong, R. L. Brodzik, M. J. Savoie, M. H. Knowles, K. 2007-04-03T21:39:28Z 1863575 bytes application/pdf http://hdl.handle.net/2014/40182 en_US eng Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006. 9th Specialist Meeting on Microwave Radiometry and Remote Sensing Applications, San Juan, Puerto Rico, February 28 - March 3, 2006. 06-0481 http://hdl.handle.net/2014/40182 microwave radiometers calibration 2007 ftnasajpl 2021-12-23T13:19:18Z 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. NASA/JPL Other/Unknown Material Ice Sheet JPL Technical Report Server |
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JPL Technical Report Server |
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English |
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microwave radiometers calibration |
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microwave radiometers calibration Njoku, Eni G. Chan, S. K. Armstrong, R. L. Brodzik, M. J. Savoie, M. H. Knowles, K. Stable targets for spaceborne microwave radiometer calibration |
topic_facet |
microwave radiometers calibration |
description |
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. NASA/JPL |
author |
Njoku, Eni G. Chan, S. K. Armstrong, R. L. Brodzik, M. J. Savoie, M. H. Knowles, K. |
author_facet |
Njoku, Eni G. Chan, S. K. Armstrong, R. L. Brodzik, M. J. Savoie, M. H. Knowles, K. |
author_sort |
Njoku, Eni G. |
title |
Stable targets for spaceborne microwave radiometer calibration |
title_short |
Stable targets for spaceborne microwave radiometer calibration |
title_full |
Stable targets for spaceborne microwave radiometer calibration |
title_fullStr |
Stable targets for spaceborne microwave radiometer calibration |
title_full_unstemmed |
Stable targets for spaceborne microwave radiometer calibration |
title_sort |
stable targets for spaceborne microwave radiometer calibration |
publisher |
Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2006. |
publishDate |
2007 |
url |
http://hdl.handle.net/2014/40182 |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_relation |
9th Specialist Meeting on Microwave Radiometry and Remote Sensing Applications, San Juan, Puerto Rico, February 28 - March 3, 2006. 06-0481 http://hdl.handle.net/2014/40182 |
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1766031204776148992 |