亚洲西南部的气候变化更为微妙，因为它们涉及到山地雪线、降雨模式和植被覆盖率的变化。
The climatic changes in southwestern Asia were more subtle, in that they involved shifts in mountain snow lines, rainfall patterns, and vegetation cover.
该研究主要利用MODIS高分辨率数据，运用植被指数原理和及其植被指数的长时间序列变化，将研究区内植被覆盖分为15个类别，总体精度为73.71%。
The study use MODIS data and VI principle and VI long time serial variation to distinguish the investigation area 'vegetation cover. Finally, making off 15 kinds and the overall accuracy is 73.71%.
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