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題名 | 陳有蘭溪流域坡地災害致災成因探討=Slope Disaster Inducement in the Chenyoulan River Watershed |
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作者 | 林基源; 徐松圻; 蔡佩勳; 許世宗; 賴俊仁; 賴銘峰; 楊明德; 壽克堅; 黃富國; 陳廣祥; 許尚逸; | 書刊名 | 地工技術 |
卷期 | 122 2009.12[民98.12] |
頁次 | 頁41-50 |
分類號 | 434.273 |
關鍵詞 | 土石流; 崩坍; 洪水; 莫拉克颱風; 陳有蘭溪; Debris flow; Landslide; Flood; Typhoon Morakot; Chenyolan river; |
語文 | 中文(Chinese) |
中文摘要 | 陳有蘭溪流域分別在1996、1999、2001年發生賀伯颱風、921集集大地震與桃芝颱風三次嚴重災情,透過媒體報導,「五年三災」令人印象深刻。2009年8月7日中度颱風莫拉克侵襲台灣,帶來多日的豪大雨,造成台灣中南部與東部縣市嚴重災情,本流域位在重災區北端,亦發生不少崩坍、土石流及洪水各項災害。本文從地質及地形、921集集大地震、人類活動、極端降雨等四項因素,探討流域內影響較為重大之新山村、神木村與新中橫公路坡地災害致災成因,分析土石流、高含砂水流與地質構造對邊坡破壞之影響。 |
英文摘要 | During the five years period between 1996 and 2001, three major disasters, which were induced by Typhoon Herb in 1996, Chi-Chi Earthquake in 1999, and Typhoon Toraji in 2001, occurred in the watershed of Chenyoulan River. These disasters shadow people's mind until today. On August 7, 2009, Typhoon Morakot swept through Taiwan with heavy rains which induced severe damages in central, southern, and eastern Taiwan. It also caused several landslides, debris flows, and heavy floods in the watershed of Chenyoulan River. This paper investigates the impacts of geological and geographical conditions, Chi-Chi Earthquake, human activities, and severe rainfalls on slope failures of the Shinsan Village, Shenmu Village, and New Central Cross-Island Highway, especially from the view point of geotechnical engineering. The influences of debris flow, high concentrated flow, and geological structure on the extent of damage were also discussed. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。