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引用本文:高俊峰,闾国年.基于地图计算的流域水文过程模拟——以太湖流域上游西苕溪流域为例.湖泊科学,2005,17(4):305-310. DOI:10.18307/2005.0404
GAO Junfeng,LU Guonian.Hydrological Modeling Based on Cartographical Modeling:A Case Study on the Xltiaoxl Watershed, Upper Reaches of Taihu Basin. J. Lake Sci.2005,17(4):305-310. DOI:10.18307/2005.0404
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基于地图计算的流域水文过程模拟——以太湖流域上游西苕溪流域为例
高俊峰1, 闾国年2
1.中国科学院南京地理与湖泊研究所, 南京 210008;2.南京师范大学, 南京 210009
摘要:
利用 PcRaster的环境动态模拟语言,基于地图运算和网格之间水流运动的模拟,开发了水文过程模拟模型,选择太湖流域上游的西苕溪流域进行试验,用实测资料对模拟结果进行了验证,结果表明模型模拟结果与实际是符合的.本模型可以用于流域的物质迁移、污染物迁移、人类活动的环境影响变化等的模拟.在此水文过程模拟的基础上,只要叠加网格上的物质产出率,就可以很容易得到子流域出口的物质通量的变化和其在流域上的空间分布,集成各个子流域过程,就可以得到流域出口断面的物质通量的变化.
关键词:  环境动态模拟  分布式水文过程模拟  地图计算  西苕溪流域  太湖流域
DOI:10.18307/2005.0404
分类号:
基金项目:中国科学院知识创工程项目(KXCX3-SW-311,BK2005164,2002CB412300)
Hydrological Modeling Based on Cartographical Modeling:A Case Study on the Xltiaoxl Watershed, Upper Reaches of Taihu Basin
GAO Junfeng1, LU Guonian2
1.Nanjing Institute of Geography & Limnology, CAS, Nanjing 210008, P. R. China;2.Nanjing Normal University, Nanjing 210009, P. R. China
Abstract:
Based on cartographical modeling and water routing between grids using PCRaster dynamic environmental modeling lan-guage, a hydrological model was developed taking Xitiaoxi as a test watershed. Water routings were divided into four type:slope, channel, polder and reservoir. Slope and channel routings were simulated by kinetic wave equations with Manning formula; accordant junction process of polder was simulated by pump stations' locations; and accordant junction process of reservoir were simulated by operating curve of reservoirs. The connection of accordant junction types were carried through on grid cells according to adjacent relations. Compared with monitoring results, calculated results had a high resolution. The model can be used to model materials transform, water pollution, human activities impacts etc. just overly mateiial output in the hydrological model.
Key words:  Dynamic environment modeling  hydrological modeling  distributed hydrology model  cartographical modeling  Xitiaoxi watershed  Taihu Basin
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