[1]胡作龙,高 鹏,李双江,等.渭河径流输沙变化及其对降水和人类活动的响应[J].水土保持研究,2024,31(04):28-33.[doi:10.13869/j.cnki.rswc.2024.04.037]
　Hu Zuolong,Gao Peng,Li Shuangjiang,et al.Changes of Runoff and Sediment Load and Its Response to Precipitation and Human Activities in the Weihe River Basin[J].Research of Soil and Water Conservation,2024,31(04):28-33.[doi:10.13869/j.cnki.rswc.2024.04.037]
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渭河径流输沙变化及其对降水和人类活动的响应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 31 期数: 2024年04期 页码: 28-33 栏目: 出版日期: 2024-06-30
Title:
Changes of Runoff and Sediment Load and Its Response to Precipitation and Human Activities in the Weihe River Basin
文章编号:
1005-3409(2024)04-0028-06
作者:
胡作龙1, 高 鹏2, 李双江1, 穆兴民2
(1.河南水环境勘测设计有限公司, 河南 三门峡 472000; 2.西北农林科技大学 水土保持研究所, 陕西 杨凌 712100)
Author(s):
Hu Zuolong1, Gao Peng2, Li Shuangjiang1, Mu Xingmin2
(1.Henan Water Environment Survey and Design Co., Ltd., Sanmenxia, Henan 472000, China; 2.Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, China)
关键词:
径流;  输沙量;  人类活动;  渭河
Keywords:
runoff;  sediment load;  human activity;  Weihe River
分类号:
P333.5
DOI:
10.13869/j.cnki.rswc.2024.04.037
文献标志码:
A
摘要:
[目的]探究渭河径流量与输沙量的变化特征及其驱动因素,为渭河流域水资源管理和生态环境建设提供科学依据。[方法]利用渭河流域降水量数据以及华县和状头两个控制水文站1957—2019年实测径流量及输沙量资料,采用现代数理统计方法,分析渭河流域年降水量、径流量和输沙量的变化趋势,检测水文要素的突变年份,计算了渭河径流量和输沙量变化的驱动因素贡献率,最后探讨了人类活动对渭河径流、输沙变化的主要影响因素。[结果]渭河1957—2019年径流量和输沙量都呈现出极显著的减少趋势(p<0.01); 年降水量随机波动,没有明显的变化趋势。年径流量在1990年发生突变(p<0.01),年输沙量在1996年发生突变(p<0.01)。降水因素对渭河流域径流量减少贡献率为19%,对输沙量减少贡献率为17%; 人类活动对径流量减少的贡献率为81%,对输沙量减少的贡献率为83%。[结论]人类活动在渭河径流和输沙的变化过程中具有决定性的影响,是导致渭河径流、输沙减少的主要原因。
Abstract:
[Objective]The aims of this study are to explore the change characteristics and driving factors of runoff and sediment load in the Weihe River Basin, and to provide scientific basis for water resource management and ecological environment construction in the Weihe River Basin. [Methods]Based on the measured precipitation, runoff and sediment load data of Huaxian and Zhuangtou hydrological stations in the Weihe River Basin from 1957 to 2019, the trend and the change-point year of annual precipitation, runoff and sediment load were analyzed by modern mathematical statistical. The contribution rates of runoff and sediment load reduction in Weihe River Basin were calculated. The main influencing factors of human activities on runoff and sediment load changes in the Weihe River were discussed. [Results]There was a strong decreasing trend in runoff and sediment load of Weihe River Basin from 1957 to 2019(p<0.01), and the annual precipitation fluctuated randomly and had no obvious change trend. Abrupt year analyses showed that more rapid declines for runoff began in 1990(p<0.01), and sediment load began in 1996(p<0.01). The contribution rates of precipitation to the reduction of runoff and sediment load were 19% and 17%, respectively. The contribution rates of runoff and sediment load reduction caused by human activities were 81% and 83%, respectively. [Conclusion]Human activities are the main reason for the significant reduction of runoff and sediment load in the Weihe River Basin.

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备注/Memo

收稿日期:2023-04-23 修回日期:2023-09-18
资助项目:国家自然科学基金(U2243211,42277354)
第一作者:胡作龙(1975—),男,甘肃泾川人,学士,高级工程师,主要从事水利工程规划设计工作。E-mail:531565936@qq.com
通信作者:高鹏(1976—),男,陕西扶风人,博士,研究员,主要从事水土保持和流域生态水文研究。E-mail:gaopeng@ms.iswc.ac.cn

更新日期/Last Update: 2024-06-30