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Quality assessment and validation of the MODIS global land surface temperature

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This paper presents an evaluation of the Earth Observing System (EOS) Moderate Resolution Imaging Spectroradiometer (MODIS) thermal infrared bands and the status of land surface temperature (LST) version-3 standard products retrieved from Terra MODIS data. The accuracy of daily MODIS LST products has been validated in more than 20 clear-sky cases with in situ measurement data collected in field campaigns in 2000-2002. The MODIS LST accuracy is better than 1°C in the range from −10 to 50°C. Refinements and improvements were made to the new version of MODIS LST product generation executive code. Using both Terra and Aqua MODIS data for LST retrieval improves the quality of the LST product and the diurnal feature in the product due to better temporal, spatial and angular coverage of clear-sky observations.

Document Type: Research Article


Affiliations: 1: ICESS University of California Santa Barbara CA 93106-3060 USA 2: TRIO/LSIIT (CNRS UMR 7005) 5 Bd. Sebastien Brant 67400 Illkirch France

Publication date: January 1, 2004

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