利用計量地形學研究台灣西南部的活動構造;Using Quantitative Geomorphology to Investigate Active Tectonics in Southwestern Taiwan

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題名:	利用計量地形學研究台灣西南部的活動構造;Using Quantitative Geomorphology to Investigate Active Tectonics in Southwestern Taiwan
作者:	波玫琳
貢獻者:	國立中央大學應用地質研究所
關鍵詞:	古亭坑層;泥岩;無震變形;頁岩構造;褶皺;剝蝕抬升;抬升;鈹-10;剝蝕速率;惡地;地形指標;地形學;地震災害;Gutingkeng formation;mudstone;aseismic deformation;shale tectonics;folding;exhumation;uplift;meteoric 10Be;denudation rates;badland;topographic metrics;geomorphometry;seismic hazard
日期:	2025-07-31
上傳時間:	2025-08-07 17:25:16 (UTC+8)
出版者:	國家科學及技術委員會(本會)
摘要:	Fold-and-thrust belts are a characteristic structural unit that forms at convergent plate boundaries. The active folds and thrusts usually develop at the piedmont and within the foreland basins of mountain belts, where human population, fertile lands, infrastructures and economic centers also commonly concentrate, hence exposed to seismic hazard. Coastal areas are also exposed to tsunami hazard when active structures lie underwater. Besides, foreland basins and fold-and- thrust belts represent a significant host for fossil energy resources. These general characteristics are valid for southwestern Taiwan. To better live with these hazards, this project proposes to constrain the location and geometry of active structures and explore fault seismic behavior. This kind of database allows calculating probabilistic seismic hazard assessment (PSHA) maps, designed to predict ground shaking and used to establish building codes. More specifically, this project offers to look into the contribution of aseismic deformation in the densely populated Tainan and Kaohsiung area. Indeed, if aseismic deformation is dominant, the earthquake hazard is considerably reduced, in spite of rapid deformation rates. The outcomes of this project will be shared with the Taiwan Earthquake Model (TEM) project, which aims at characterizing the potential fault-sources of earthquakes across the island and produce PSHA maps, and with the E-DREAM research center (Earthquake Disaster and Risk Evaluation and Management Center, e-dream.tw/en/about-us/) that aims to bring closer Earth scientists and engineers in charge of natural hazards mitigation.
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
顯示於類別:	[應用地質研究所] 研究計畫

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