摘要
分析了黄河唐乃亥以上地区2002年以前径流的区域分布、各区间径流量年际和年内分配变化情况以及20世纪90年代以来年径流量减少的原因。分析指出,该地区多年径流量年际变化上游段大于下游段,近年来径流量减少主要是由于自然因素和人为因素造成的。
Based on the hydrological information of four stations, this paper analyzes regional runoff variation upstream Tangnaihai hydrological station, such as spatial and temporal distribution before 2002, factors affecting runoff reduction during near 20 years etc. It is concluded that overyear runoff variation in upstream is more than that in downstream, runoff reduction in recent years is mainly affected by natural factors and human being activities etc.
出处
《水资源与水工程学报》
2004年第3期68-70,共3页
Journal of Water Resources and Water Engineering
关键词
年径流量
径流变化
黄河
annual runoff
runoff variation
Yellow river
