R in western YP was higher than in eastern, and in southern R was higher than in northern.
The annual, summer, and autumn R had a decreasing trend.
The spring and winter R showed an increasing trend.
EOF analysis can effectively identify the major space–time features of R.
Two spatiotemporal patterns of the annual R, and three for seasonal R were identified.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址:北京市海淀区学院路29号 邮编:100083 电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700 |