全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
-  2003 

基于地形特征的流域水文相似性

DOI: 10.11821/yj2003060005

Keywords: 地形,地形指数,流域,水文相似性

Full-Text   Cite this paper   Add to My Lib

Abstract:

摘要: 流域地形控制着地表径流的路径和累积水量的空间分布。地形指数ln(a/tanβ)反映了径流在流域中任一点的累积趋势以及重力使径流顺坡移动的趋势,流域地形可以用地形指数的空间分布来表示。地形指数可用作水文相似性指数,即具有相同地形指数的点对降雨具有相同的水文响应。TOPMODEL利用地形指数频率分布计算流域径流过程,可以认为:具有相同地形指数频率分布的流域具有水文相似性。分析认为长江流域上游的沿渡河流域与香溪河流域具有水文相似性,利用香溪河流域率定的模型参数计算的沿渡河流域径流过程,与实测过程拟合较好

References

[1]  Beven KJ,Kirkby M J. A physically based,variable contributing area model of basin hydrology. Hydro1Sci1Bull.,1979,24:43~69.
[2]  Quinn P K,Beven KJ,Planchon O. The prediction of hillslope flow paths for distributed hydrological modeling using digital terrain models.Hydrol1 Process1,1991,5(1):59~79.
[3]  Band L E. Topographic partition of watersheds with digital elevation models. Water Resour1Res.,1986,22:15~24.
[4]  Beven KJ. TOPMODEL:a critique 1 Hydrol1Process1,1997,11(9):1069~1086.
[5]  Robson A J,Whitehead P G,Johnson R C1 An application of a physically based semi-distributed model to the Balquhidder catchments.J.Hydro..,1993,145:357~370.
[6]  O′Loughlin E M. Prediction of surface saturation zones in natural catchments by topographic analysis1Water Resour1Res1,1986,22(5):794~804.
[7]  郭方,刘新仁,任立良.以地形为基础的流域水文模型———Topmodel及其拓宽应用.水科学进展,2000,11(3):296~301.
[8]  任立良,刘新仁.基于DEM的水文物理过程模拟.地理研究,2000,19(4):369~376.
[9]  Morris D G,Heerdegen R G. Automatically derived catchment boundary and channel networks and their hydrological applications. Geomorphology,1988,1:131~141.
[10]  Tarboton D,Bras R L,Rodriguez2Iturbe I. On the extraction of channel networks from digital elevation data1 Hydrol.Process.,1991,5(1):81~100.
[11]  Rodriguze-Iturbe I,Valdes J B. The geomorphic structure of hydrologic response1 Water Resour1Res.,1979,15:1409~1420.
[12]  Moore I D,Machay S M,Wallbrink P J,et al1 Hydrologic characteristics and modeling of a small forecasted catchment in southeastern New South Wales:Prelogging condition. J.Hydrol.,1986,83:307~335.
[13]  Weihua Zhang1Digital elevation model grid size,landscape representation and hydrologic simulations. Water Resour.Res.,1994,30(4):1019~1028.
[14]  余新晓,赵玉涛,张志强.基于地形指数的Topmodel研究进展与热点跟踪.北京林业大学学报,2002,24(4):117~121.
[15]  熊立华,郭生练,胡彩虹. Topmodel在流域径流模拟中的应用研究.水文,2002,22(5):5~8.
[16]  文康,金管生,等.地表径流过程的数学模型.北京:水利电力出版社,1990.
[17]  Quinn P F,Beven KJ,Lamb R. The ln(a/tanβ)index:how to calculate it and how to use it in the TOPMODEL framework1 Hydrol.Process.,1994,9:161~185.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133