处于高海拔地带，山西的气候寒冷干燥，年均降水量在400- 600毫米之间。
Being at a high altitude, Shanxi Province has a cold and dry climate and has an annual rainfall of between 400-600 millimeters.
林火特征的周期与年均温、年降水量的周期关系很大。
The cycles of forest fire characters are closely related to that of annual averaged temperature and precipitation.
流域尺度上，NDVI年较差、年均温度、月均温度在1982~1999年呈升高趋势，年降水量呈减少趋势；
On basin scale, the annual NDVI variation and the annual and monthly average temperature from 1982 to 1999 increased, while the annual precipitation during this period decreased.
流域尺度上，NDVI年较差、年均温度、月均温度在1982~1999年呈升高趋势，年降水量呈减少趋势；
On basin scale, the annual NDVI variation and the annual and monthly average temperature from 1982 to 1999 increased, while the annual precipitation during this period decreased.
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