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Determination of land surface temperature distributions from single channel IR measurements: an effective spatial interpolation method for the use of TOVS, ECMWF and radiosonde profiles in the atmospheric correction scheme

Schroedter, M. and Olesen, F. and Fischer, H. (2003) Determination of land surface temperature distributions from single channel IR measurements: an effective spatial interpolation method for the use of TOVS, ECMWF and radiosonde profiles in the atmospheric correction scheme. International Journal of Remote Sensing, 24 (6), pp. 1189-1196.

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Abstract

For the determination of land surface temperatures from brightness temperature measurements in a single infrared channel, as for instance taken by the Advanced Very High Resolution Radiometer (AVHRR) or Meteosat, an explicit correction of the atmospheric influence is necessary. Therefore, the vertical and horizontal distribution of temperature and humidity has to be known. Possible sources for these atmospheric profiles are TOVS measurements, the ECMWF analysis and radiosonde data. These sources provide the information discretely in space and time and are particularly characterized by large differences in horizontal resolution. This paper presents a method that overcomes the problems arising from the different spatial sampling. Furthermore, some case studies with AVHRR infrared measurements will be presented and atmospheric corrections based on TOVS, ECMWF and radiosonde profiles will be intercompared.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2002,
Title:Determination of land surface temperature distributions from single channel IR measurements: an effective spatial interpolation method for the use of TOVS, ECMWF and radiosonde profiles in the atmospheric correction scheme
Authors:
AuthorsInstitution or Email of Authors
Schroedter, M.UNSPECIFIED
Olesen, F.UNSPECIFIED
Fischer, H.UNSPECIFIED
Date:2003
Journal or Publication Title:International Journal of Remote Sensing
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:24
Page Range:pp. 1189-1196
Status:Published
Keywords:TOVS, ATOVS, atmospheric correction, spatial interpolation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 12:14

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