A Fist Principle, Physics-based Watershed Model of Various Temporal and Spatial Scales

Gour Tsyh Yeh, Guobiao Hunag, Hsin Chi Lin

研究成果: 書貢獻/報告類型會議論文篇章同行評審

2 引文 斯高帕斯(Scopus)

摘要

In the past 30 years, lumped-parameter watershed models have been employed for integrated surface and groundwater modeling to calculate surface runoff and total maximum daily loads (TMDL) on various temporal and spatial scales of hydrologic regimes. Physics-based, process-level models that have the design capability to cover various scales have been practically nonexistent until recently. It has long been recognized that only such models have the potential to further the understanding of the fundamental biological, chemical and physical factors that take place in nature hydrologic regimes, and give mechanistic predictions. However, there are severe limitations with these models that inhibit their use. These are, among other things, the ad hoc approaches of coupling between various media and the excessive demand of computational time. This paper presents the development of a first principle, physics-based watershed model to address these issues. A rigorous coupling strategy is described for interactions among overland regime, rivers/streams/canals networks, and subsurface media. Introductions of non-physics parameters such as linkage terms are avoided. The cultivation of innovative numerical algorithms to increase the computational speed are discussed.

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主出版物標題World Water and Environmental Resources Congress
編輯P. Bizier, P. DeBarry
頁面749-758
頁數10
出版狀態已出版 - 2003
事件World Water and Environmental Resources Congress 2003 - Philadelphia, PA, United States
持續時間: 23 6月 200326 6月 2003

出版系列

名字World Water and Environmental Resources Congress

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???event.eventtypes.event.conference???World Water and Environmental Resources Congress 2003
國家/地區United States
城市Philadelphia, PA
期間23/06/0326/06/03

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