[1]魏 虹,**,梁天刚,等.数字高程模型在半干旱区径流模拟中的应用[J].南京理工大学学报(自然科学版),2005,(01):1-5.
　WEI Hong,LIANG Tian-gang,LI Jian-long.Application of Digital Elevation Model to Runoff Simulation in Semi-arid Land of China[J].Journal of Nanjing University of Science and Technology,2005,(01):1-5.
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数字高程模型在半干旱区径流模拟中的应用
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《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2005年01期
页码:
1-5
栏目:
出版日期:
2005-02-28

文章信息/Info

Title:
Application of Digital Elevation Model to Runoff Simulation in Semi-arid Land of China
作者:
魏 虹1;  3** ;  梁天刚2;  李建龙1
1. 南京大学生命科学学院, 江苏南京210093;
 2. 兰州大学草地生态技术学院, 甘肃兰州730000;
3. 西南师范大学生命科学学院, 重庆400715
Author(s):
WEI Hong 1; 3;  LIANG Tian-gang2;  LI Jian-long1
1. School of Life Science, Nanjing University, Nanjing 210093, China; 2. School of Grassland Ecology and Technology, Lanzhou University, Lanzhou 730000, China; 3. School of Life Science, Southwest China Normal University, Chongqing 400715, China
关键词:
地理信息系统;  数字高程模型;  集水农业;  集水区;  径流
Keywords:
geog raphic information system;  d ig ital e levation mode; l ra in-harvesting ag riculture;  catchment area;  runoff
分类号:
S29
摘要:
采用GIS方法构建了甘肃省某地数字高程模型 (DEM),研究了区域内地表水流方向、集水能力、子集水区的划分及水系网络空间分布等水文特征。以栅格化径流系数法为基础,模拟了该集水区年均产流量及其空间分布。研究结果表明,利用DEM不仅可模拟地表水系网络的空间分布,而且可模拟小型水道的空间走向;利用栅格化径流系数法,可快速分析子集水盆地产流量。不同的降水年型和降水保证率对径流的空间分布及变化有很大的影响。该文的研究结果对半干旱区集水农业工程的规划和管理具有重要意义。
Abstract:
By means ofG ISmethod, the d ig ital e levationmodel ( DEM) w as established in Chankou V i-l lage o f D ingx i County in Gansu Prov ince. The runo ff direction, runoff accumu lation, sub-catchmen t boundaries and the spatial d istribution of stream netw orksw ere studied. B ased on the rasterized runo ff coefficient method ( RRCM) , the annual average runo ff and its spatia l distribution in Chankou V illagew ere simulated. The results ind icate that the spat ial distribution o f large stream netwo rks and the small w ater path can be simulated by DEM and the runo ff in each sub-catchm ent can be qu ickly calcu lated by RRCM. The spat ial distribution and the variation of runoff in each catchmentw ere sign if icantly in fluenced by d ifferent precipitation and its probability. It is important for the plann ing and managem ent o f the rainharvesting ag riculture in sem -i arid land of Ch ina.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目: 中国博士后科学基金( 2003033483)
作者简介: 魏虹( 1969- ), 女, 四川眉山人, 博士, 副教授, 主要研究方向: 应用生态学研究, E-m ail: weihong@ swnu. edu.cn;
通讯作者: 李建龙, 男, 教授, 博士生导师, E-m ail:jianlongli@i sina. com。
更新日期/Last Update: 2013-03-03