[1]胡国华,陈肖,于泽兴,等.基于HEC-HMS的郴江流域山洪预报研究[J].自然灾害学报,2017,(03):147-155.[doi:10.13577/j.jnd.2017.0318]
 HU Guohua,CHEN Xiao,YU Zexing,et al.Research on forecast of mountain flood in Chenjiang River Basin based on HEC-HMS model[J].,2017,(03):147-155.[doi:10.13577/j.jnd.2017.0318]
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基于HEC-HMS的郴江流域山洪预报研究
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2017年03期
页码:
147-155
栏目:
出版日期:
2017-06-28

文章信息/Info

Title:
Research on forecast of mountain flood in Chenjiang River Basin based on HEC-HMS model
作者:
胡国华1 陈肖1 于泽兴1 顾庆福2 李彤1 邹杨1
1. 长沙理工大学 水利工程学院, 湖南 长沙 410114;
2. 湖南省水文水资源勘测局, 湖南 长沙 410007
Author(s):
HU Guohua1 CHEN Xiao1 YU Zexing1 GU Qingfu2 LI Tong1 ZOU Yang1
1. School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China;
2. Hunan Bureau of Hydrology and Water Resources Surveying, Changsha 410007, China
关键词:
HEC-HMS模型GIS郴江流域山洪预报降雨类型
Keywords:
HEC-HMS modelGISChenjiang Basinmountain flood forecastrainfall type
分类号:
P426.616;X43
DOI:
10.13577/j.jnd.2017.0318
摘要:
山洪灾害常造成严重的经济损失和人员伤亡,基于地理信息系统和遥感技术的水文模型集成系统,为无资料地区的山洪预报提供了新的思路。在对2006-2013年降雨特征进行统计的基础上,以自然分水线划分子流域,利用遥感影像和GIS技术提取流域信息,采用HEC-HMS半分布式水文模型进行郴江流域山洪预报。结果表明:对模型验证期的10场洪水,洪峰流量和洪量相对误差均在20%以内,峰现时差在2 h以内的占比为80%,Nash效率系数在0.7以上的占比为80%,模型模拟效果较好;相较于多峰洪水,单峰洪水的模拟效果更好。不同雨型的模拟分析结果表明,D型降水洪峰和洪量的模拟效果较好,而E型降水模拟流量过程与实测拟合较好。
Abstract:
Mountain flood has caused serious economic losses and casualties. The integration of hydrological model system based on GIS and remote sensing technology provide a new way of thinking for mountain flood forecast of the areas without data. Based on statistics of characteristics of rainfall events from 2006 to 2013, this paper uses the semi-distributed hydrological model HEC-HMS to simulate mountain flood process in Chengjiang River Basin.The study area was divided into a set of sub-basins according to natural watershed line and topographic information was extracted using remote-sensing image and GIS technology. The results show that all of the 10 floods in validation periods has a relative error of peak flow of less than 20%,all has a relative error of runoff amount of less than 20%,80% has a error time of peak flow within 2 hours and 80% has a Nash efficiency coefficient of greater than 0.7. The simulated flow agrees well with the observed flow at the outlet of Chengjiang Basin. Compared to multi-peak floods, the model shows a better performance in rainfloods simulation for uni-peak floods. Analyzing the simulation results for different rainfall patterns, it simulates better for D-type precipitation in peak flow and runoff amount and has a higher fitting degree of flood process for E-type precipitation.

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备注/Memo

备注/Memo:
收稿日期:2016-07-21;改回日期:2016-10-19。
基金项目:湖南省重大水利科技计划项目(2012-177-10);湖南省研究生科研创新项目(CX2015B361)
作者简介:胡国华(1965-),男,教授,博士,主要从事水资源演变、水文预报与水灾害防治研究.E-mai:G.h.hu@163.com
更新日期/Last Update: 1900-01-01