Development of non-point source modeling-application to Shi-Men reservoir
Date Issued
2006
Date
2006
Author(s)
Yeh, Ling -Yun
DOI
zh-TW
Abstract
Shi-Men Reservoir was located in the Tauyuan, the branch of Da-han River. Its drainage area is 763.4 square kilometer, and its effective capacity is 233,800,000 cubic meters. Compared with the changing trend of 2002 ,2003 and 2004 by the sampling of water quality.
NPSM, one of BASINS model developed by U.S. Environmental Protection Agency(EPA), is adopted in the study to simulate the transferred quantity of the river and non-point source of the drainage area. The discharge was calibrated with the data in 2002, and verified with the data in 2002 and 2003, for confirming the model can be used in this study.
The result shows that NPSM can efficiently simulate the change of the chronic water quality in drainage area. Annual non-point loading of total nitrogen was about 891,915kg/yr, total phosphorus was about 37,007kg/yr. The total nitrogen per hectare was about 11.81kg/ha/yr, and the total phosphorus per hectare was about 0.485 kg/ha/yr.
Subjects
石門水庫
水質模擬
總磷
懸浮固體
BASINS
NPSM
GIS
Vollenweider
non-point sources
Type
thesis
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