State;
Key;
Laboratory;
of;
Information;
Engineering;
in;
Surveying,;
Mapping;
and;
Remote;
Sensing,;
Wuhan;
University,;
129;
Luoyu;
Road,Wuhan;
430079,;
China;
General;
Organizations;
of;
Remote;
Sensing;
GORS,;
P.;
O.;
Box;
12586,;
Damascus,;
Syria.;
AVHRR数据; 中国西部; 植被动态; NOAA; 归一化植被指数; 月降水量; NDVI; 地理信息系统;