基于RS的陕北地区植被覆盖度变化及驱动力研究
晋成名, 杨兴旺, 景海涛

A RS-based study on changes in fractional vegetation cover in North Shaanxi and their driving factors
JIN Chengming, YANG Xingwang, JING Haitao
图5 研究区2000—2015年年均降水趋势变化
Fig.5 Changes in annual average precipitation trends in the study area from 2000 to 2015