The Spa-temporal Changes of Snow Cover in five Provinces of Northern Grasslands of China
文献类型: 外文期刊
第一作者: Sa, Chula
作者: Sa, Chula;Wang, Mulan;Cao, Xinhan;Sa, Chula;Liu, Guixiang;Sa, Chula;Bao, Yuhai
作者机构:
关键词: northern grasslands;MODIS;snow cover area;Spa-temporal Changes
期刊名称:INFORMATION TECHNOLOGY FOR RISK ANALYSIS AND CRISIS RESPONSE
ISSN: 1951-6851
年卷期: 2014 年 102 卷
页码:
收录情况: SCI
摘要: The MODIS snow products from October 2002 to March 2012 were used in this paper. The spatiotemporal variations of snow covered area in 5 provinces of northern grasslands of China were analyzed by using maximum composite method. The result indicates that in temporal scale the snow covered area in northern grassland regions characterized unimodal pattern during previous ten years, with a largest value in January, and lowest in October. In general, the snow covered area in northern grassland regions experienced decreasing trend, with an annual decreasing rate of 35.17km2. Spatially, the permanent snow covered area is mainly distributed in the Greater Khingan Mountains, Hulun Buir plateau, Wuzhumuqin basin, Aletai mountain, north of the Tianshan Mountains, southwestern of KunLun mountains, eastern region of Tibet, Ali area, eastern Linzhi area, Eastern Naqu, southern and south along the Yangtze River Valley, the Qilian Mountains area in Gansu, which edged with the Tibetan Plateau, Bayan Har mountain, Anima, Qing Shan Kunlun Mountains.
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