[1]刘先龙,杨勤科.流域拓扑关系建立方法研究[J].水土保持研究,2010,17(03):82-86.
　LIU Xian-long,YANG Qin-ke.Study of Method of Building Topology for Watersheds[J].Research of Soil and Water Conservation,2010,17(03):82-86.
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流域拓扑关系建立方法研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年03期 页码: 82-86 栏目: 出版日期: 2010-06-20
Title:
Study of Method of Building Topology for Watersheds
作者:
刘先龙1, 杨勤科2
1. 西北农林科技大学 资源环境学院, 陕西 杨陵 712100;
2. 中国科学院 水利部 水土保持研究所, 陕西 杨陵 712100
Author(s):
LIU Xian-long1, YANG Qin-ke2
1. College of Resources and Environment, Northwest A&F University, Yangling, Shannxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shannxi 712100, China
关键词:
DEM; 水文网络模型; 拓扑关系; 流域汇流关系
Keywords:
DEM; hydro-network; topology; confluence
分类号:
P931;TP79
摘要:
水文网络模型是地理信息系统对流域实际河网水系的一种规范化描述，能够完整反映出流域水文地貌要素的拓扑关系。利用DEM提取流域河网信息，在此基础上尝试建立能够完整反映流域水文地貌要素拓扑关系的矢量流域水文网络模型，并以此探讨流域汇流关系的演算方法。并使用县南沟流域数据进行实验，检验方法的有效性。
Abstract:
Hydro-network is the standardized representation of the watersheds’ river network by the Geographical Information System, and it is able to completely describe the topological relationship of the components of hydro-network. The key to build a hydro-network model lies in defining the components of hydro-network and establishing the association among these components. In this paper, using DEM to extract the components of landform, and then to build a vector data hydro-network model, much attention was paid to the discussion of how to get the confluence relationship of the watersheds’ river network based on this model. And this methods of building hydro-network model was applied to the Xiannangou watershed.

参考文献/References:

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备注/Memo

收稿日期:2010-3-9。
基金项目:国家自然科学基金（40971173）；国家重点基础研究发展计划（973计划）项目（2007CB407203）
作者简介:刘先龙（1983- ），男，陕西咸阳人，在读硕士，主要研究方向为资源环境GIS应用。E-mail：lxl3260219@163.com
通讯作者:杨勤科（1962- ），男，陕西陇县人，研究员，博士，主要从事区域水土流失和GIS应用研究。E-mail：qkyang@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01