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KMID : 1024519980070040415
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Journal of the Environmental Sciences
1998 Volume.7 No. 4 p.415 ~ p.424
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Analysis of Runoff Characteristics for Moving Storms on Small River Basin using Finite Element Method
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Cho Hyeon-Kyeong
Lee Yeong-Hwa
Choi Yun-Yeong
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Abstract
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In the rainfalll-runoff relation, consideration of the spatial movement of storms is very unportant in designing a hydraulic structure or evaluating an environmental influence for land usage. Because of thins reason, this study has suggested the finite element model which consider the spatial movement of a storm and it was applied on a small river basin(Wi stream basin). In the application of the model, the basin was treated as a pivot point and the storms are simulated 10 movement in each directions. As a result, It shows that the storms moving from north to south have higher peak discharge and faster peak time than the storms moving in other directions. So these characteristics have to be considered In the designation of a hydraulic structure or evaluation of an environmental influence.
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KEYWORD
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rainfall-runoff relation, spatial movement, finite element model
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