基于DEM 的数字降水径流模型在黄河小花间的应用

doi:10.11821/xb200206006

地理学报 ›› 2002, Vol. 57 ›› Issue (6): 671-678.doi: 10.11821/xb200206006

基于DEM 的数字降水径流模型在黄河小花间的应用

吴险峰¹, 王中根², 刘昌明^1,2, 刘晓伟³

1. 北京师范大学环境科学研究所, 北京, 100875;
2. 中国科学院地理科学与资源研究所, 北京100101;
3. 黄河水利委员会水文局, 郑州450003

收稿日期:2002-05-10 修回日期:2002-09-07 出版日期:2002-11-25 发布日期:2002-11-25
作者简介:吴险峰 (1970- ), 男, 湖北武穴人, 博士研究生, 主要从事水文水资源研究。E-mail:xianfwu@263.net
基金资助:
国家重点基础研究发展规划项目(19990436-01)

Digital Rainfall-Runoff Model Based on DEM: The Application to Xiaolangdi-Huayuankou Section of the Yellow River Basin

WU Xianfeng¹, WANG Zhonggen², LIU Changming^1,2, LIU Xiaowei³

1. Institute of Environmental Science, Beijing Normal University, Beijing 100875, China;
2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;
3. The Bureau of Hydrology, YRCC, Zhengzhou 450003, China

Received:2002-05-10 Revised:2002-09-07 Online:2002-11-25 Published:2002-11-25
Supported by:
The National Key Basic Research Project of China, No.19990436-01

摘要/Abstract

摘要：

DEM是目前用于流域地形分析的主要数据,在流域地形分析及水系构建等方面形成了比较成熟的算法,基于DEM的水文模拟技术的应用给传统的水文模拟方法带来了根本性的变化。基于栅格型DEM,应用最新引进的WMS专业水文处理软件,结合Arc/info、Arcview地理信息系统工具,以黄河小花间 (小浪底－花园口区间) 卢氏以上流域作为研究区,进行了数字降水径流模型的应用研究。

关键词: 流域水文模型, GIS, DEM, WMS, 数字水文, 小花间

Abstract:

DEM is the main data source which is used in watershed analysis. There are many mature algorithms in watershed analysis and they can be used to delineate the drainage networks. Applications of the methods based on DEM make significant innovation in hydrological simulations. Topographic parameters which are used in hydrological models can be automatically calculated from DEM. The article introduces the main process to determine watershed geometry, drainage network and other map-type information for hydrological models. Lushi basin, located in the upper Luohe river which is a tributary of the middle Yellow River, was selected as the study region with an area of 4,623 km2. WMS6.1, a GIS hydrological tool, which is introduced to China recently, was used to develop the digital rainfall-runoff model, and other GIS tools such as ARC/Info, Arcview were also used to deal with the data. The drainage network was derived from 1:250,000 DEM, and the region was divided into seven sub-basins. HEC-1 model, a part of hydrological models in WMS, was selected to simulate the rainfall-runoff process. Curve Numbers (CNs) and other parameters were automatically calculated to input to models directly. Five historical flood events were simulated. The results demonstrate that the method was more efficient than trade method. Although it is very easy and quick to input and output data for the models, it does not mean that the hydrological model itself has high quality, so it is necessary to develop hydrological models which can be adapted to the region.

Key words: watershed hydrological model, GIS, DEM, WMS, digital hydrology, Xiaolangdi-Huayuankou section

吴险峰,王中根,刘昌明,刘晓伟. 基于DEM 的数字降水径流模型在黄河小花间的应用[J]. 地理学报, 2002, 57(6): 671-678.

WU Xianfeng, WANG Zhonggen, LIU Changming, LIU Xiaowei. Digital Rainfall-Runoff Model Based on DEM: The Application to Xiaolangdi-Huayuankou Section of the Yellow River Basin[J]. Acta Geographica Sinica, 2002, 57(6): 671-678.

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基于DEM 的数字降水径流模型在黄河小花间的应用

Digital Rainfall-Runoff Model Based on DEM: The Application to Xiaolangdi-Huayuankou Section of the Yellow River Basin

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