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Hydrologic Impact Assessment by a Physically-Based Hydro-Climate Modelof Regional Climate Change for the Water Resources of the Upper Ping River Basin of Thailand 게시글의 제목, 학술지명, 저자, 발행일, 작성내용을 보여줌
Hydrologic Impact Assessment by a Physically-Based Hydro-Climate Modelof Regional Climate Change for the Water Resources of the Upper Ping River Basin of Thailand
학술지명 ASCE 저자 장수형,Kavvas,Ishida,Wuthiw
발표일 2015-05-19

Climate change impacts hydrological processes by altering both spatial and temporal
characteristics of water flow in a watershed. The physically-based hydro-climate model for the
assessment of regional climate change is one of the most realistic modeling approaches to
account for the non-stationarity in changing climate conditions of the 21st century. In this study
the hydrologic response of streamflow in the upper Ping river basin to climate change is analyzed by utilizing the output from a General Circulation Model (GCM), named ECHAM5, under A1B emission scenario which is considered to be the most plausible one to occur during the 21st century. The downscaling approach by MM5 regional atmospheric model was implemented at a fine grid resolution of 9 km2 for the study area. The Watershed Environmental Hydrology Model (WEHY) with its capability to incorporate the interaction between atmospheric processes and land surface hydrology and its physically-based features was utilized to simulate the watershed hydrologic processes. Study of the climate change impact on
hydrological processes for the upper Ping river basin is crucial for Thailand because the watershed is a major contributor of water supply to a major agriculture region in Thailand.

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