[1]李晖,尹辉,白旸,等.近60年洞庭湖区水沙演变特征及趋势预测[J].水土保持研究,2013,20(03):139-142.
　LI Hui,YIN Hui,BAI Yang,et al.Research on Evolution Characteristics and Tendency Prediction of Runoff and Sediment in Recent 60 Years in Dongting Lake[J].Research of Soil and Water Conservation,2013,20(03):139-142.
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近60年洞庭湖区水沙演变特征及趋势预测

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年03期 页码: 139-142 栏目: 出版日期: 2013-06-28
Title:
Research on Evolution Characteristics and Tendency Prediction of Runoff and Sediment in Recent 60 Years in Dongting Lake
作者:
李晖1,2, 尹辉3, 白旸3, 王月1,2
1. 广西师范大学 环境与资源学院, 广西 桂林 541004;
2. 广西师范大学 珍稀濒危动植物生态与环境保护省部共建教育部重点实验室, 广西 桂林 541004;
3. 惠州学院 旅游系, 广东 惠州 516007
Author(s):
LI Hui1,2, YIN Hui3, BAI Yang3, WANG Yue1,2
1. College of Environment & Resources, Guangxi Normal University, Guilin, Guangxi 541004, China;
2. Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Guangxi Normal University, Ministry of Education, Guilin, Guangxi 541004, China;
3. Department of Tourism, Huizhou University, Huizhou, Guangdong 516007, China
关键词:
水沙; 演变特征; 趋势; 洞庭湖
Keywords:
runoff and sediment; evolution characteristics; tendency; Dongting Lake
分类号:
P332.5
摘要:
基于洞庭湖1951—2009年年径流泥沙量数据，采用趋势分析法和阶段分析法对近60 a来洞庭湖水沙的演变特征及变化趋势进行分析，并以年份序列为自变量，对洞庭湖水沙累积量进行多项式函数拟合，结果表明：①近60 a来，洞庭湖区除四水入湖水量的趋势性不显著以外，三口入湖水沙量、四水入湖沙量和城陵矶出湖水沙量均呈较显著的减少趋势；②洞庭湖水沙在演变过程中表现出一定的阶段性特征；③洞庭湖水沙的演变特征及趋势与下荆江裁弯工程、葛洲坝截流工程、三峡工程等水利设施的建设密切相关。
Abstract:
According to data of annual runoff and sediment in the Dongting Lake from 1951—2009, non-parameter Mann-Kendall tendency analysis (M-K method) and grandualness analysis (T-verifying method) were used to analyze the evolution characters and tendency of runoff and sediment in the Dongting Lake in recent 60 years. Year series was chosen as independent variable, and polynomial functions were used to fit accumulative runoff volume and sediment discharge in the Dongting Lake. The results showed that:① in recent 60 years in Dongting Lake area, runoff volume and sediment discharge from three outlets to Dongting Lake, sediment discharge from four rivers to Dongting Lake, runoff volume and sediment discharge in the output of Chenglingji showed significant decreasing tendency except the inconspicuous tendency of runoff volume from four rivers to Dongting Lake; ② the evolution process of runoff volume and sediment discharge simultaneously showed certain stage characteristics; ③ evolution characteristics and tendency of runoff volume and sediment discharge in Dongting Lake area were due to the curve-cuttings in the lower Jingjiang River system, the flow-cutting at Gezhouba Dam, Three Gorge Project, and other water conservancy projects.

参考文献/References:

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备注/Memo

收稿日期:2013-01-12;改回日期:2013-03-12。
基金项目:“十二五”国家科技支撑（2010BAE00739-02）；国家自然科学基金面上项目（41071067）；珍稀濒危动植物生态与环境保护省部共建教育部重点实验室研究基金（桂科能1001Z003）；湖南省重点学科自然地理学建设项目；水利部公益性科研项目（201101019-2）
作者简介:李晖(1981-),男,河南南阳人,博士研究生,讲师,主要从事石漠化治理与生态恢复等方面的研究。E-mail:lh1029@126.com
通讯作者:尹辉(1983-),男,广西桂林人,讲师,主要研究方向为生态恢复、水文和水土保持。E-mail:yinhui741852963@163.com

更新日期/Last Update: 1900-01-01