頁籤選單縮合
題 名 | 嘉義縣瀨頭區位崩塌因素初步探討=Preliminary Discussion of the Factors Causing Laitou Landslide in Jiayi, Taiwan |
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作 者 | 馮正一; 黃祥慶; 黃志彰; 賴琇瑩; | 書刊名 | 水土保持學報 |
卷 期 | 44:2 2012.06[民101.06] |
頁 次 | 頁177-188 |
分類號 | 434.273 |
關鍵詞 | 瀨頭; 崩塌; 潛移; 莫拉克; Laitou; Landslide; Creep; Morakot; |
語 文 | 中文(Chinese) |
中文摘要 | 瀨頭崩塌地位於嘉義縣番路鄉阿里山地區,於民國98 年莫拉克颱風來襲時傳出地滑、崩 塌之情形,目前2012 年5 月可能仍在緩慢潛移當中。莫拉克颱風帶來的強烈雨勢與瀨頭地區 砂頁岩互層與斷層通過之破碎地質,可能因而引發此次崩塌。其滑動痕跡亦可經由地表、植生 觀察來加以判定。本研究於瀨頭地區進行現勘及地表調查等,由觀察之現象與現況進行崩塌機 制之探討,並檢視地區地質等相關資訊,初步崩塌機制與地質條件之關聯性。瀨頭地區遭受崩 塌滑動之影響,使居民深受災害威脅,應盡速進行進一步細部調查及規劃,以有效預防減緩災 害的發生及相關損失。 |
英文摘要 | Laitou landslide is located in Alishan area, Jiayi, Taiwan. The landslide occurred during Typhoon Morakot in Aug. 2009. The landslide body is still slowly creeping until now in May 2012 . The intense rainfall triggered the landslide during Typhoon Morakot. The weak geology due to fault and the sheared inter-bedded sandstone-shale formation shall be the intrinsic landslide cause. The landslide scarps can be observed by comparing topography and vegetation. This study performed a preliminary surface geological survey and discussed the factors caused the landslide at Laitou, Jiayi,Taiwan. This landslide induced many hazards to the residents and farmlands; therefore, detail investigation and planning for mitigation are strongly recommended to reduce further hazards. |
本系統中英文摘要資訊取自各篇刊載內容。