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Land use/cover change (LUCC) is one of the core contents of the global change research. As a unique ecological unit in arid and semi-arid area, oasis is a basic premise to maintain the existence and development of local people. In this paper, the rectangular area, where Dunhuang oasis locates, is chosen to study the dynamic change of LUCC over the last 20 years. Landsat5-TM images of 1987, 1996 and...
Based on the phantom interpretation data of land TM/ETM of 1996 and that of 2006, this article analyzed the land use and land cover change of ChangBai Mountain area in the recent 10 years, and calculated the change of ecosystem service value resulted from this change. During the 10 years, LUCC of Changbai Mountain area had changed fiercely, the paddy field, the forest land and the wetland were in...
The Ejin Oasis in arid environments suffers with frequent drought due to insufficient water resources and abnormally high summer-temperature. Detailed analysis of remote sensing data has been carried out for the years 2001-2006. Vegetative drought indices like Vegetation Condition Index (VCI) and Temperature Condition Index (TCI) and Vegetation Health Index (VHI) have been derived using Normalized...
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