Flood Response to Land-use and Land-cover Change of Xixi Basin

南水北调与水利科技 Pub Date : 2011-01-01 DOI:10.3724/sp.j.1201.2011.01080

Chen Ying

引用次数: 0

Abstract

Taking the Xixi basin as a case,this study applied rainfall-runoff model HEC-HMS to analyze the influence of land-use and land-cover change on the storm-runoff from 1985 to 2006.The results indicate that the simulated flow agrees well with the observed flow at the Anxi station and the HEC-HMS model is suitable for the study area.From 1985 to 2006,garden land and built-up land massively increased,which led to increase in peak discharge and total runoff.Moreover,remarkable spatial variations of the land use changes and its impacts can be observed at the subbasin level,and Yiduxi-shuangxi subbasin is the most sensitive area in the five subbasins.

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西溪流域土地利用和土地覆盖变化对洪水的响应

以西溪流域为例，应用HEC-HMS模型，分析了1985 ~ 2006年土地利用和土地覆被变化对流域暴雨径流的影响。结果表明，模拟流量与安溪站实测流量吻合较好，HEC-HMS模型适用于研究区。1985 ~ 2006年，园林用地和建设用地大量增加，导致洪峰流量和总径流量增加。在次盆地层面上，土地利用变化及其影响具有显著的空间差异，其中一渡溪-双溪次盆地是5个次盆地中最敏感的区域。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

南水北调与水利科技

自引率

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发文量

4294

期刊介绍： "South-to-North Water Transfers and Water Science and Technology" was founded in 2003, mainly publishing papers on water science, water engineering, water resources, water environment, water management, etc. The journal currently has the following columns: hydrology and water resources, ecology and environment, high-quality development of follow-up projects of South-to-North Water Transfers and construction of national water network, ecological protection and high-quality development of the Yellow River Basin, flood disasters and response, "dual carbon" and water conservancy technology, efficient utilization of agricultural water and soil resources, hydrogeology and engineering geology, etc. The journal is now a Chinese core journal; a source journal for Chinese scientific and technological papers (Chinese core journals); a source journal for the Chinese Science Citation Database (CSCD); and a Chinese core academic journal (A) of RCCSE.