灞河下游径流变化特性分析
Analysis of Runoff Characteristics in the Downstream of Bahe River

作者: 勾 奎 , 莫淑红 * , 沈 冰 :西安理工大学西北水资源与环境生态教育部重点实验室;

关键词: 灞河下游径流变化特性分析Bahe River Downstream Runoff Variation Characteristic Analysis

摘要: 本文以灞河下游马渡王站的实测年径流资料为基础,分析了径流的年际年内变化以及径流的变化趋势、周期和突变点。研究结果表明:灞河下游径流年际变化大,年内分配不均匀;径流序列具有显著的下降趋势;径流序列存在7年、19年和34年的周期,19年的周期最为显著;径流序列突变起始时间发生在1971年。

Abstract: This article analyses annual runoff variation characteristics, including annual, inter-annual characteristics, tendency and mutation points, based on the runoff data series at Maduwang station in the BaheRiver. The main results are: the runoff has big inter-annual variability and its annual distribution is uneven; the tendency of the runoff is significant decline; the main periods of the runoff are 7 years, 19 years and 34 years, the period of 19 year is the most significant. The mutation of the runoff observed at Maduwang station took place around 1971.

文章引用: 勾 奎 , 莫淑红 , 沈 冰 (2012) 灞河下游径流变化特性分析。 水资源研究, 1, 465-469. doi: 10.12677/JWRR.2012.16074

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