基于CCI土壤水分产品的干旱指数精度评价及其对东北地区粮食产量的影响
李雷,郑兴明,赵凯,李晓峰,王广蕊

Precision Evaluation of Drought Index based on CCI Soil Moisture Products and Its Effect on Grain Yield in Northeast China
Lei Li,Xingming Zheng,Kai Zhao,Xiaofeng Li,Guangrui Wang
图4 东北三省玉米亩产散点图及变化趋势
Fig.4 Scatter and trend of maize yield in Northeast China