| 基于栅格的二维分布式超渗产流水文模型 |
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| 引用本文： | 王莉莉,陈德辉.基于栅格的二维分布式超渗产流水文模型[J].水电能源科学,2011,29(11):6-10,54. |
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| 作者姓名： | 王莉莉 陈德辉 |
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| 作者单位： | 中国气象局国家气象中心,北京,100081 |
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| 基金项目： | 国家自然科学基金资助项目（41105068） |
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| 摘 要： | 针对自然流域地形地貌对地表径流滞留的影响,将流域坡面汇流概化为二维模式,采用二维运动波汇流模型计算坡面汇流,应用二维运动波隐式差分方法进行求解,结合DEM技术,基于考虑土壤水分再分配的Green-Ampt超渗产流模型,河道汇流采用一维运动波汇流,构建了基于栅格的Grid-GA-2D模型,并将其与Grid-GA及陕北模型...
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| 关 键 词： | 分布式水文模型 删格 二维运动波 DEM Green-Ampt 黄河 |
Two dimensional Distributed Runoff Yield Hydrologic Model Based on Grid |
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| WANG Lili,CHEN Dehui.Two dimensional Distributed Runoff Yield Hydrologic Model Based on Grid[J].International Journal Hydroelectric Energy,2011,29(11):6-10,54. |
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| Authors: | WANG Lili CHEN Dehui |
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| Affiliation: | National Meteorological Centre, China Meteorological Adimistration, Beijing 100081, China |
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| Abstract: | Due to landform influence of runoff storing in natural watershed, overland flow
concentration is simplified as two dimensional flow, which is calculated by two
dimensional implicit finite difference kinematic wave model. Based on the Green Ampt
runoff yield model considering the soil moisture redistribution, concentration of channel
with one dimensional kinematic wave is used to establish Grid GA 2D based Grid model by
combining digital elevation model (DEM) technology. The proposed model, Grid GA model and
Shanbei model are applied to the upper Kongjiapo basin in Qin River, a tributary of the
Yellow River for flood simulation. The applicability of the model is discussed. The results
show that three hydrologic models perform well in flood simulation, and the flood peak
simulation accuracy of the proposed model is higher. |
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| Keywords: | distributed hydrologic model grid 2 D kinematic wave DEM Green Ampt Yellow River |
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