Institute of Geographic Sciences and Natural Resources Research;
CAS;
Beijing 100101;
China;
Xiangfan University;
Xiangfan Hubei 441053;
China;
Graduate University of CAS;
Beijing 100049;
China;
西辽河流域; 春玉米; 水量变化; 作物需水量; 气象观测站; 月平均气温; 水资源短缺问题; 灰色关联度;