Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/33302
標題: The investigation of Agricultural Non-Point Source Pollution Model(AGNPS) for Predicting Sediment Yield in Slopeland Development.
農業非點源污染模式(AGNPS)應用於坡地開發前中後泥砂產量推估之探討
作者: 何宜娟
Jiuan, Ho Yi
關鍵字: 農業非點源污染;AGNPS;通用土壤流失公式;坡地;USLE;slopeland
出版社: 水土保持學系
摘要: 
本研究嘗試以農業非點源污染模式(AGNPS)推估三義試區坡地開發前、
中、後之土壤沖蝕量與泥砂產量,並將開發前土壤沖蝕量之推估結果與通用
土壤流失公式(USLE)之推估值進行比較,結果顯示AGNPS模式推估值遠小於
USLE之推估值,其間關係為1:3.54~1:4.81。此外,比較開發中實測之泥砂
產量與AGNPS模式推估值的關係,發現實測值與推估值之比值約為0.19~0.25。
另外,針對不同網格大小之泥砂產量推估結果進行比較,網格越大所得之推
估值越小,但其間差異不大。

The Agricultural Non-Point Source Pollution Model (AGNPS) was applied to predict
the soil erosion and sediment yield before, during, and after slopeland development in Sanyi
experiment area. The predicted values were compared with the values predicted by Universal
Soil Loss Equation (USLE). The results indicate that the soil erosion predicted by AGNPS is
much less than the values predicted by USLE. The ratio is 1:3.54 to 1:4.81. The measured
sediment yields were also compared with the predicted values. The results show that sediment
yields are over-estimated during the developing period. Different unit cell area was used in
AGNPS to simulate the sediment yield on slopeland. The results indicate that the sediment
yields decrease with the increase of unit cell area, but the difference is not much.
URI: http://hdl.handle.net/11455/33302
Appears in Collections:水土保持學系

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