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标题

黑河中游景观格局变化特征及其与水文过程相互关系分析———以张掖地区为例

作者

徐茂森 徐宗学 王子丰 赵刚

机构

北京师范大学水科学研究院, 北京师范大学水沙科学教育部重点实验室

摘要

本研究以黑河中游的张掖地区为对象,基于1986、2000、2005、2007、2011年5期张掖地区土地利用数据进行了景观格局分析. 采用莺落峡、正义峡水文站1957—2011年径流量数据以及张掖气象站1986—2011年降水数据对水文过程变化进行分析. 在此基础上对水文过程与景观格局相关性进行分析,从而得出张掖地区景观格局对水文过程变化的响应特征.研究结果表明:张掖地区人工景观的破碎度减小,聚合度提高,林地占地面积大幅度下降;上游莺落峡来水量呈增大趋势,下游正义峡出水量呈减小趋势,表明张掖地区用水量呈增大趋势;通过对水文要素与景观格局指数的相关分析,发现降水量对自然景观影响较大,而研究区取用水量对自然景观格局的影响较小.

关键词

黑河中游; 张掖地区; 景观格局; 径流; 降水

引用

徐茂森 徐宗学 王子丰 赵刚.黑河中游景观格局变化特征及其与水文过程相互关系分析———以张掖地区为例.[J]. 北京师范大学学报(自然科学版),2016,52(3)369-375.

基金

国家自然科学基金资助项目(91125015)

分类号

P344; TV213

DOI

10.16360/j.cnki.jbnuns.2016.03.019

Title

Relationship between landscape pattern and hydrologic processes in midstream area of the Heihe River basin

Author

XU Maosen, XU Zongxue, WANG Zifeng, ZHAO Gang

Affiliations

College of Water Sciences, Key Laboratory of Water and Sediment Sciences of Ministry of Education, Beijing Normal University

Abstract

The ecosystem in Zhangye Region , middle stream ofthe Heihe River basin locatedin northwest of China,isfaced with great menace as a result of greattemporaland spatialchangesin hydrological processes as wellasthe waterresource shortage problemsrestricting sustainable development ofsociety and economicsin northwest arid area of China. Relationship between landscape pattern and hydrological processes is analyzed based on L U CC data in 1986 ,2000 ,2005 ,2007 ,and 2011 ,hydrological data at Yingluoxia and Zhengyixia hydrological stations, and precipitation data at Zhangye meteorological station . Basic characteristics and relationship between landscape pattern and precipitation or runoff have been obtained . Fragmentation of artificiallandscape was found to have increased , area of woodland decreased , and inflow from upstream increased . However, outflow to downstream has decreased . Inflow has shown great effect on artificial landscape,precipitation had great effect on natural landscape. This work will provide important technical supportfor protection of ecosystem, land and water resources managementin the study area.

Key words

Heihe River; Zhangye; landscape pattern ;runoff ; precipitation

cite

XU Maosen, XU Zongxue, WANG Zifeng, ZHAO Gang. Relationship between landscape pattern and hydrologic processes in midstream area of the Heihe River basin [J]. Journal of Beijing Normal University (Natural Science), 2016,52(3):369-375.

DOI

10.16360/j.cnki.jbnuns.2016.03.019

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn