台灣特殊的地理位置與氣候條件，地震、颱風與強降雨容易引致山崩、地滑及土石流等災害，導致許多的大規模崩塌事件，因此，找出山崩發生時崩塌潛勢較高的地區，並加以防範以減少災害發生及損失是重要的議題。本研究以北中南三區為例，透過崩塌影響因子與崩塌比，了解不同區域之崩塌特性，藉由歷年之崩塌比與年雨量進行相關性討論，並搭配降雨及地震事件，討論何者對崩塌的影響較大及變異性，最後探討說明崩塌比與年雨量之相關性及相關可能原因，以作為崩塌預測之初步探討。
本研究結果發現，桃園市復興區之高程「0 m- 500 m」、坡度「31°-40°」、坡向「67.5°-112.5°」及岩性「板岩」處；南投縣國姓鄉之高程「1001m- 1500 m」、坡度「0°-10°」、坡向「112.5°-157.5°」及岩性「河階與河床堆積層」處；屏東縣來義鄉之高程「2001 m- 2500 m」、坡度「71°-80°」、坡向「157.5°-202.5°」處之崩塌比與歷年年雨量相關性最高，而屏東縣來義鄉岩性分類之崩塌比與歷年年雨量並無顯著相關性。透過降雨及地震事件對崩塌比進行比較，不論位處北中南何處，降雨事件造成崩塌之影響皆比地震事件造成崩塌之影響大，且在相近年雨量下，越接近現今年份之崩塌比越高。將雨量校正後，崩塌比仍不同，原因為本研究之山崩針對大區域及長時間範圍之比對，並非單一山崩之力學研究，屬於通則，在條件無分類詳細的情況下，降雨造成的山崩相關性便會較低，相關係數僅在0.5以下，其原因包含山崩有時間因素、整治差異、降雨強度、地震事件影響等因素。

Taiwan's unique geographical location and climate conditions make it susceptible to natural disasters like earthquakes, typhoons, and heavy rainfall, which can lead to hazards such as landslides, mudslides, and debris flows. Consequently, identifying regions with higher landslide susceptibility during such events and implementing preventive measures to mitigate disasters and reduce losses is of paramount importance. This study focuses on the northern, central, and southern regions of Taiwan. By examining landslide factors and landslide ratios, it aims to understand the distinct characteristics of landslides in different areas. It explores the correlation between historical landslide ratios and annual rainfall, considers the impacts of rainfall and seismic events, and discusses their varying influences on landslides. Finally, the study investigates and explains the correlation and potentiality between landslide ratios and annual rainfall, serving as an initial exploration into landslide prediction.
The results of this study indicate that the highest correlation between landslide ratio and annual rainfall was observed for specific conditions in different regions: for Fuxing District in Taoyuan City, it was at elevations of "0 m- 500 m," slope inclinations of "31°-40°," and aspects of "67.5°-112.5°" for rock type "shale"; for Guoxing Township in Nantou County, it was at elevations of "1001 m- 1500 m," slope inclinations of "0°-10°," and aspects of "112.5°-157.5°" for rock type "alluvial deposits and riverbed sediments"; and for Liyi Township in Pingtung County, it was at elevations of "2001 m- 2500 m," slope inclinations of "71°-80°," and aspects of "157.5°-202.5°." However, no significant correlation was found between the rock type classification of Liyi Township and annual rainfall. Comparing the impacts of rainfall and seismic events on landslide ratios revealed that rainfall events consistently had a greater influence on landslides than seismic events, and as annual rainfall amounts approached the present year, landslide ratios tended to increase. After rainfall correction, the variations in landslide ratios remained, attributed to the study's broad scope covering large areas and long time spans, rather than focusing on individual landslides. This generality leads to lower correlations in the absence of detailed classification, with correlation coefficients remaining below 0.5. Factors contributing to this include the temporal aspect of landslides, differences in mitigation measures, rainfall intensity, and the influence of seismic events.

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