Dynamic Variation Analysis on Tibetan Lake Wetlands Based on RS

Xia Xu

doi:10.4028/www.scientific.net/AMR.779-780.1246

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 779-780Dynamic Variation Analysis on Tibetan Lake...

Dynamic Variation Analysis on Tibetan Lake Wetlands Based on RS

Abstract:

The wetlands of Tibet plateau have typical characteristics of highest elevation, largest area and most concentrated distribution. Tibetan Plateau Lake Group is one of the main five lake groups in China. TM images of 2000 and 2010 are analyzed by ERDAS and ARCGIS. And Landscape Ecology theory is applied to analyze the spatial and dynamic characteristics of Tibetan lake wetlands. The results show: there are 66643 lakes in 2000 and 54655 lakes in 2010, which means there have disappeared 11988 lakes. Xigaze and Lhokas lakes patches presented decrease trend. The lake wetland of Nagri has increased 3.32%.The lake wetland of Lhoka and Xigaze has decreased 7.37% and 3.52%. MPS, MPE, PSCov and PSSD indexes can reflect the lake wetland dynamic changes than other indexes. Tibetan Plateau is very sensitive to global cliamte change, espectially in Nagqu.

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Periodical:

Advanced Materials Research (Volumes 779-780)

Pages:

1246-1249

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.779-780.1246

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Online since:

September 2013

Authors:

Xia Xu

Keywords:

Dynamic Variation, Remote Sensing, Tibet, Wetland

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