流域数字水文模型研究

被引：60

作者：

任立良

机构：

[1] 河海大学水文水资源及环境学院!江苏南京

来源：

河海大学学报(自然科学版) | 2000年 / 04期

关键词：

数字化; 数字高程模型; 水系; 拓扑; 产流;

D O I：

暂无

中图分类号：

P334.92 [];

学科分类号：

081501 ;

摘要：

探讨了数字水文模型的基本内涵和基本框架 ,首先利用数字高程数据自动提取流域水系 ,构建数字高程流域水系模型 ,主要包括数字高程模型中凹陷区域的识别和处理、平坦部位水流流向设定、子流域集水单元勾划、河网生成、河网与子流域编码及河网结构拓扑关系的建立 ;然后在每一集水单元上建立数字产流模型 ,再根据河网结构拓扑关系建立数字河网汇流模型 ,从而形成数字水文模型 .通过淮河流域能量与水分循环试验强化观测资料的检验 ,结果表明数字水文模型能够很好地模拟洪水的涨落过程

引用

页码：1 / 7

页数：7

共 9 条

[1]

Kinematic wave modeling in water resources—Environmental hydrology. Singh V P. . 1997

[2]

Catch: a Fortran program for measuring catchment area from digital elevation models. Martz W,de Jong E. Computers and Geosciences . 1988

[3]

Extracting topographic structure from digital elevation data for geographical information system analysis. Jenson K,Dominique J O. Photogrametric Engineering and Remote Sensing . 1988

[4]

Determination of the execution sequence of channel flow for cascade routing in a drainage network. Garbrecht J. Hydrosoft . 1988

[5]

The extraction of drainage networks from digital elevation data. O′Callaghan F,Mark D M. Computer Vision Graphics and Image Processing . 1984

[6]

Short communication, automated recognition of valley lines and drainage networks from grid digital elevation models:a review and a new method —Comment. Martz W,Garbrecht J. Journal of Hydronautics . 1995

[7]

Numerical definition of drainage network and subcatchment areas from digital elevation models. Martz W,Garbrecht J. Computers and Geosciences . 1992

[8]

Automated recognition of valley lines and drainage networks from grid digital elevation models: a review and a new method. Tribe. Journal of Hydronautics . 1992

[9]

Drainage networks from grid digital elevation models. Fairfield J,Leymarie P. Water Resources . 1991

← 1 →