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

Validation of the MODIS global land surface albedo product using ground measurements in a semidesert region on the Tibetan Plateau
Validation of the MODIS global land surface albedo product using ground measurements in a semidesert region on the Tibetan Plateau
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.
0148-0227
D05107
Wang, K.
2b399d1b-c3f1-4863-b78b-dd9135ef7532
Liu, J.
516e902e-000e-4f9c-b9bc-bac18b1f5ade
Zhou, X.
2e05bf7a-3efe-4797-a1f0-5d8ae8e0f54f
Sparrow, M.
0a312725-a227-4199-8852-baf7a0869768
Ma, M.
62d35eb8-ad57-4254-a40a-e0921390384d
Sun, Z.
830d6ddb-585a-4ac8-8eff-cd7abc1e8fee
Jiang, W.
bff71b6f-c57c-4ac4-a2d4-06245a43b083
Wang, K.
2b399d1b-c3f1-4863-b78b-dd9135ef7532
Liu, J.
516e902e-000e-4f9c-b9bc-bac18b1f5ade
Zhou, X.
2e05bf7a-3efe-4797-a1f0-5d8ae8e0f54f
Sparrow, M.
0a312725-a227-4199-8852-baf7a0869768
Ma, M.
62d35eb8-ad57-4254-a40a-e0921390384d
Sun, Z.
830d6ddb-585a-4ac8-8eff-cd7abc1e8fee
Jiang, W.
bff71b6f-c57c-4ac4-a2d4-06245a43b083

Wang, K., Liu, J., Zhou, X., Sparrow, M., Ma, M., Sun, Z. and 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. (doi:10.1029/2003JD004229).

Record type: Article

Abstract

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.

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Published date: 2004

Identifiers

Local EPrints ID: 11058
URI: http://eprints.soton.ac.uk/id/eprint/11058
ISSN: 0148-0227
PURE UUID: 3a57968f-54ce-4abc-a0c9-eae1336de9d6

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Date deposited: 19 Oct 2004
Last modified: 15 Mar 2024 05:02

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Contributors

Author: K. Wang
Author: J. Liu
Author: X. Zhou
Author: M. Sparrow
Author: M. Ma
Author: Z. Sun
Author: W. Jiang

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