摘要
提出了洪水影响因子消长作用的概念。洪水影响因子之间存在着多种多样的组合关系 ,因而表现出复杂的消长作用。正是这种消长作用 ,使影响因子与洪水之间既具有一定的关系 ,又没有一一确定的关系 ,从而使根据单一因子进行洪水预测的准确率始终难以提高。
The concept of decrease-increase effect of influential factor of flood is put forward. Because there are various combination relations of the influential factors of flood, they show complicated decrease-increase effect. It is the decrease-increase effect that makes the influential factors and flood have certain relations, but not affirmative. Therefore the correctness of flood forecast based on one factor is hard to be improved. The understanding of the decrease-increase effect is helpful for the comprehensive analysis of the influential factors.
出处
《灾害学》
CSCD
2002年第2期88-92,共5页
Journal of Catastrophology
关键词
洪水
影响因子
组合
消长作用
flood
influential factor
combination
decrease-increase effect