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Validation of the MODIS global land surface albedo product using ground measurements in a semidesert region on the Tibetan Plateau

Wang, K.; Liu, J.; Zhou, X.; Sparrow, M.; Ma, M.; Sun, Z.; Jiang, W.. 2004 Validation of the MODIS global land surface albedo product using ground measurements in a semidesert region on the Tibetan Plateau. Journal of Geophysical Research, 109 (D5). D05107. 10.1029/2003JD004229

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Abstract/Summary

An evaluation of the Moderate-Resolution Imaging Spectroradiometer (MODIS) global land surface albedo product is essential for its use in scientific studies. We evaluate the accuracy of the albedo product with nearly 3 years (from January 2001 to July 2003) of ground measurements from the Gaize Automatic Weather Station (32.30°N, 84.06°E, 4420 m) on the western Tibetan Plateau. The land surface consists of semidesert or desert soil. Vegetation in this region is very rare. A comparison with field measurements shows that the MODIS global land surface albedo meets an absolute accuracy requirement of 0.02. There is no distinctive bias between the MODIS-derived albedo and the ground-measured albedo, with a root-mean-square error of 0.0186 and a maximum error of 0.036.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1029/2003JD004229
Related URLs:
Date made live: 19 Oct 2004 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/111058

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