[1]王国庆,张建云,李雪梅,等.黄土高原昕水河流域径流变化及其对环境要素的响应[J].水土保持研究,2014,21(03):192-196.
　WANG Guo-qing,ZHANG Jian-yun,LI Xue-mei,et al.Runoff Variation of the Xinshuihe River Catchment and Its Response to Environmental Change on the Loess Plateau[J].Research of Soil and Water Conservation,2014,21(03):192-196.
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黄土高原昕水河流域径流变化及其对环境要素的响应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年03期 页码: 192-196 栏目: 出版日期: 2014-06-28
Title:
Runoff Variation of the Xinshuihe River Catchment and Its Response to Environmental Change on the Loess Plateau
作者:
王国庆1,2, 张建云1,2, 李雪梅3, 金君良1,2, 刘翠善1,2, 鲍振鑫1,2, 严小林1,2, 宋晓猛1,2
1. 南京水利科学研究院 水文水资源与水利工程科学国家重点实验室, 南京 210029;
2. 水利部应对气候变化研究心, 南京 210029;
3. 黄河水利委员会水文局, 郑州 450002
Author(s):
WANG Guo-qing1,2, ZHANG Jian-yun1,2, LI Xue-mei3, JIN Jun-liang1,2, LIU Cui-shan1,2, BAO Zhen-xin1,2, YAN Xiao-lin1,2, SONG Xiao-meng1,2
1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China;
2. Research Center for Climate Change, Ministry of Water Resources, Nanjing 210029, China;
3. Hydrology Bureau, Yellow River Conservancy Commission, Zhengzhou 450002, China
关键词:
昕水河流域; 径流演变; 有序聚类分析方法; 气候要素; 响应
Keywords:
Xinshuihe River catchment; runoff evolution; cluster analysis method; climatic elements; responses
分类号:
P333.1;TV211.1
摘要:
以黄土高原昕水河流域为对象，采用有序聚类等数理统计方法，诊断了近60 a来实测径流的变化及其阶段性特征，在此基础上，分析了不同阶段实测径流与气候要素之间的响应关系，初步揭示了径流演变的驱动机制。结果表明：近60 a来昕水河流域实测径流量以1965年和1979年为分割点总体呈现阶段性减少趋势，其中，21世纪以来减少尤其明显。不同阶段的年降水、径流关系有一定差异，相比而言，汛期（6—10月份）的月降水量与径流量具有相对较好的相关关系，非汛期（11—5月份）的月降水径流关系点群散乱。积雪及融雪对河川径流量的影响存在±5℃阈值，当气温介于该阈值区间，气温变化对河川径流影响较大。昕水河流域汛期产流受高强度降水支配，非汛期径流量以地下径流和融雪径流为主。人类活动对河川径流的影响有增大趋势。
Abstract:
Xinshuihe River catchment was taken as a case. Evolution phases of runoff were detected by using cluster analysis method. We then analyzed the responses of runoff variation to changes in climatic elements at different phases, and preliminarily revealed driving forces of runoff variation in the Xinshuihe River catchment. Results indicate that the recorded runoff at Daning station of the Xinshuihe River catchment presented a general decreasing trend over the period from 1955 to 2008, with significant changing year occurring in 1965 and 1979. Relationships between runoff and precipitation at annual scale and monthly scale for different phases are different. Relatively, monthly runoff highly correlates to precipitation in flood season from June to October rather than that in dry season from November to May, but monthly runoff positively correlates to temperature when monthly mean temperature ranges from -5℃ to +5℃. Runoff in flood season is dominated by high intensity rainfall while snow-melting flow and base flow are main components of runoff in dry season. Moreover, human activities including soil and water conservation measure and hydraulic engineering construction, play principle driving roles in runoff decline, especially for the period of the 21st century.

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备注/Memo

收稿日期:2013-07-12;改回日期:2013-09-26。
基金项目:国家“973”气候变化重大计划项目（2010CB951103）；国家自然科学基金项目（41330854，41371063）；江苏省“333工程”培养资金资助项目（BRA2012203）
作者简介:王国庆(1971-),男,山东成武人,博士,教授,主要从事水文水资源和气候变化影响评价等方面的研究。E-mail:gqwang@nhri.cn

更新日期/Last Update: 1900-01-01