论文部分内容阅读
气象专家指出,“气象干旱”与“农业干旱”有很大区别。气象干旱主要考虑自然降水的问题,如果某个地区某个时间段的降水量明显低于常年平均水平,这个地区就遇到了气象上的干旱。与常年平均
Meteorologists point out that there is a big difference between “weather drought” and “agricultural drought.” The meteorological droughts mainly consider the issue of natural precipitation. If the precipitation in a certain area during a certain period of time is obviously below the annual average, the area encounters a meteorological drought. And perennial average