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MODIS/Terra observed seasonal variations of snow cover over the Tibetan Plateau

MODIS/Terra observed seasonal variations of snow cover over the Tibetan Plateau Seasonal variations of snow cover fraction (SFC) over the Tibet Plateau (TP) are examined using the data acquired from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra spacecraft. In this study, we first evaluate the accuracy of the MODIS high‐resolution snow cover data by comparing the data with in‐situ Chinese snow observations. Results show that overall accuracy of MODIS snow data is about 90% over the TP area. Statistical analysis is then performed over the MODIS snow data during 2000–2006. It is found that the most persistent snow cover is located in the southern and western edges of the TP within large mountain ridges and western part of Yarlung Zangbo valley. The higher SCFs are mostly concentrated in the regions where the elevation is higher than 6000 m. The duration for snow persistence varies in different elevation ranges and generally becomes longer with increases in the terrain elevation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geophysical Research Letters Wiley

MODIS/Terra observed seasonal variations of snow cover over the Tibetan Plateau

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References (9)

Publisher
Wiley
Copyright
Copyright © 2007 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0094-8276
eISSN
1944-8007
DOI
10.1029/2007GL029262
Publisher site
See Article on Publisher Site

Abstract

Seasonal variations of snow cover fraction (SFC) over the Tibet Plateau (TP) are examined using the data acquired from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra spacecraft. In this study, we first evaluate the accuracy of the MODIS high‐resolution snow cover data by comparing the data with in‐situ Chinese snow observations. Results show that overall accuracy of MODIS snow data is about 90% over the TP area. Statistical analysis is then performed over the MODIS snow data during 2000–2006. It is found that the most persistent snow cover is located in the southern and western edges of the TP within large mountain ridges and western part of Yarlung Zangbo valley. The higher SCFs are mostly concentrated in the regions where the elevation is higher than 6000 m. The duration for snow persistence varies in different elevation ranges and generally becomes longer with increases in the terrain elevation.

Journal

Geophysical Research Letters – Wiley

Published: Mar 1, 2007

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