新疆和田河年径流量变化的定量估算

从和田河径流现状分析出发,利用年径流量累积曲线与有序聚类法分析了和田河径流的变化原因,指出和田河出山径流属于天然径流,受气候变化影响有波动;而汇入塔里木河的肖塔年径流则在人类活动与气候变化共同作用下,1989年后序列比1989年前序列年均减少3.22亿方,值得关注.

Quantitative Estimation of Annual Runoff Variation from the Hetian River, Xinjiang

Starting from the existing analysis of runoff in the Hetian River,the varying cause of runoff in the Hetian River is analyzed using the annual runoff accunmulated curves and the or derly cluster method,pointing out that the runoff in the Hetian River coming from the mountains falls into the natural runoff with the fluctuations because of being subject to climate changes. It is worth noticing that the Xiaota annual runoff flowing into Tarim River was reduced by 0. 322 billion m^3 in comparison of the postior 1989 series with the prior 1989 series and under the joint action by both human being activities and climate changes.