人类活动对河道的影响

Influence of Human Activities on River Channel

本文利用原型观测资料和调查研究相结合,综合分析了人类活动——开挖砂石料、下荆江裁弯、水库兴建、湖泊淤塞对河道和江湖的影响。随着国民经济的发展,人们对河流的利用不断增多,在今后的河道整治工程中,应加强研究并预测人类活动是否对防洪、航运、河势、以及沿江经济发展有利。

In this paper, influence of human activities on river channel has been synthetically anal ysed, based on the data of the prototype observation and the field investigation. The main affecting factors contain exploitation of sand and gravel, cut-off of Jingjiang River, building of reservoir, depo sition of lakes. With the development of national economy, river will be increasingly utilized. There fore, we should study whether human activities are of advantages for flood control, navigation, river regime and economic development along the river in the future.