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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/64869

    Title: 旗山溪流域氣象災害風險評估;Risk Assessment of Meteorologic Disasters in Chishan basin
    Authors: 李太立;lee,Tai-li
    Contributors: 土木工程學系
    Keywords: 風險評估;回復力;風險地圖;risk assessment;resilience;risk maps
    Date: 2014-07-29
    Issue Date: 2014-10-15 14:31:14 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 台灣地狹人稠,河川流域與坡地在土地過度開發及台灣氣候影響下,流域水土災害發生頻率相當高,為了避免流域氣象災害對於人類造成重大的衝擊,開發前對於該地的氣象災害風險評估及預警便相當重要。以往的災害預警評估較著重短期預警,但隨著氣候變遷影響之下,逐漸重視長期評估對區域發展的重要性。
    ;This research discusses meteorologic disasters in basin scale with system analysis approach. The proposed frame for basin risk assessment consists into three steps, namely disasters happened stage, disaster happening stage, and after disaster recover stage. Each stage has its own factors, and these factors can be utilized to indicate the relative status in the area of the risk assessment.
    The relocation of Xiaolin village is chosen as a case study. The difference between the risk assessment value before village relocation and after village relocation is discussed. There are 630 people in the original Xiaolin village. Among them, about 90 families still stay in Xiaolin village, Jiaxian Dist., and 180 families relocated to either Shangping village or Yuemei village. In risk assessment of debris flow, the risk value of Shangping village and Yuemei village is 0.5598, i.e., moderate risk. However, in the case that the relocation people in Shangping village and Yuemei village come back to Xiaolin village, the risk value is 0.3981, i.e., moderate and low risk.
    Incorporating resilience in the assessment shows the higher the exposure is, the higher the resilience gets. This is because the high population area always has enough resource encountering disaster. In the same time, the high population area has strong resilience ability.
    Appears in Collections:[土木工程研究所] 博碩士論文

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