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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/12048

    Title: Comprehensive nonpoint source pollution models for a free-range chicken farm in a rural watershed in Taiwan
    Authors: Chih-Sheng Lee(李志賢)
    Chih-Hua Chang
    Ching-Gung Wen
    Shui-Ping Chang
    Keywords: Free-range chicken farm
    Rainfall-runoff model
    Water quality models
    Nonpoint source pollution
    Date: 2010-10
    Issue Date: 2010-11-24 12:28:09 (UTC+8)
    Abstract: Nonpoint source (NPS) pollution contributed from free-range chicken farms (FRCF) is an important source
    for total phosphorus loads in rural watersheds of southern Taiwan. The main objective of this study is to
    quantify the impact of FRCF on water quality parameters. Different models were used; first, a distributed
    rainfall-runoff model and water quality models were pre-selected. Their relevant parameters were then
    calibrated and verified based on collected precipitation records, along with runoff and water quality data.
    Since the raising cycle of the target chicken farm, located at Longchi Township in southern Taiwan, was
    required for the estimation of NPS loads, three raising cycles per year were used in the case study. By
    using water quality models together with relevant parameter values, the unit pollution loads per raising
    cycle during the rainfall period were calculated. The simulated results indicate that the higher the rainfall
    is, the higher the unit pollution load per raising cycle will be; confirming that the NPS pollution is highly
    dependent on the change of seasons. The finding clearly indicates that the FRCF exerts high potential
    threat to reservoir.
    Appears in Collections:[環境工程系所] 期刊論文

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