目 錄 頁次 中文摘要 ................................................................................................................ I 英文摘要 .............................................................................................................. II 致 謝 ............................................................................................................. IV 目 錄 .............................................................................................................. V 圖 目 .......................................................................................................... VIII 表 目 ............................................................................................................. XI 第一章 緒論 ....................................................................................................... 1 1.1 研究動機與目的 ...................................................................................... 1 1.2 文獻回顧 ................................................................................................... 1 1.3 研究架構與流程 ...................................................................................... 3 第二章 研究方法 ............................................................................................. 6 2.1 分析單元及雨量因子選取 ...................................................................... 6 2.2 崩壞比分析............................................................................................... 9 2.3 降雨門檻值分析 ....................................................................................10 第三章 資料蒐集與處理 .............................................................................. 11 3.1 資料蒐集 ................................................................................................. 11 3.1.1 基本地形地質資料 ....................................................................... 11 3.1.2 SPOT 衛星影像 ..............................................................................13 3.1.3 雨量資料 .......................................................................................14 3.2 資料處理 .................................................................................................16 3.2.1 山崩判釋與檢核 ...........................................................................16 3.2.2 雨量資料處理與檢核 ...................................................................19 第四章 崩壞比曲線分析成果 ....................................................................22 4.1 地形地質均質區 – 高山區 ..................................................................23 4.1.1 研究區A ........................................................................................23 4.1.2 研究區B1, B2, B3 ........................................................................30 4.1.3 降雨門檻值 ...................................................................................42 4.2 地形地質均質區 – 阿里山區 ..............................................................42 4.2.1 研究區C1, C2, C3 ........................................................................42 4.2.2 研究區D1, D2 ...............................................................................55 4.2.3 降雨門檻值 ...................................................................................65 4.3 地形地質均質區 – 板岩區 ..................................................................65 4.3.1 研究區E1, E2................................................................................65 4.3.2 研究區F ........................................................................................77 4.3.3 研究區G ........................................................................................83 4.3.4 研究區H ........................................................................................89 4.3.5 研究區I .........................................................................................95 4.3.6 研究區J .......................................................................................101 4.3.7 降雨門檻值 .................................................................................107 4.4 地形地質均質區 – 變質岩區 ............................................................107 4.4.1 研究區K ......................................................................................107 4.4.2 降雨門檻值 ................................................................................. 114 第五章 討論 ................................................................................................... 115 5.1 降雨門檻值比較 .................................................................................. 115 5.1.1 全部研究區 ................................................................................. 115 5.1.2 各雨量因子 ................................................................................. 118 5.2 崩壞比曲線斜率比較 ..........................................................................125 5.2.1 地形地質均質區 – 高山區 .......................................................125 5.2.2 地形地質均質區 – 阿里山區 ...................................................127 5.2.3 地形地質均質區 – 板岩區 .......................................................129 5.2.4 全部研究區 .................................................................................131 5.3 線性一次迴歸解釋降雨門檻值之探討 ..............................................133 5.4 特殊降雨事件.......................................................................................135 5.5 崩塌災害警戒.......................................................................................135 第六章 結論與建議 .....................................................................................136 6.1 結論 .......................................................................................................136 6.2 建議 .......................................................................................................136 參考文獻 .........................................................................................................138 附錄一 衛星影像一覽表 ............................................................................141 附錄二 各雨量站時雨量歷線圖 ..............................................................152 附錄三 降雨事件山崩分布圖 ..................................................................177