文化大學機構典藏 CCUR:Item 987654321/39350
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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/39350


    题名: Recent movement of the Late Pleistocene Shoushan slump, southwestern Taiwan, based on landform surveys
    作者: Jen, CH (Jen, Chia-Hung)
    Chen, JH (Chen, Jia-Hong)
    Lei, HF (Lei, Hung-Fei)
    Ho, LD (Ho, Lih-Der)
    Zhou, HW (Zhou, Han-Wen)
    Lin, TY (Lin, Ting-Yu)
    Lu, CH (Lu, Cheng-Hao)
    Hsueh, MY (Hsueh, Min-Yu)
    Chyi, SJ (Chyi, Shyh-Jeng)
    贡献者: 地理系
    关键词: DEMs of difference
    GPS survey
    Shoushan slump
    Active secondary slump
    Taiwan
    日期: 2017-09-15
    上传时间: 2018-01-25 14:52:41 (UTC+8)
    摘要: This study aims to investigate and to analyze the recent complex mass movements of Shoushan in Kaohsiung City, southwestern Taiwan, by the short-term global positioning system (GPS) survey and the comparison of elevation data from different sources. Landform change is derived from difference of 5-m digital elevation models (DEMs), i.e., the DEMs of difference (DoD), which are abstracted from 1: 5000 scale contour maps dating to 1978 and 1998. The spatial distribution of elevation change within the study area is visualized and delineated by the threshold value of 2.5 m which is resulted from the error level of contour maps. The GPS survey of benchmarks is deployed to infer the short-term surface movement in the study area, and to argue with the results of DoD analysis. To ensure the reliability of GPS field measurements, a 6-h static surveying procedure is applied to each benchmark with the reference GPS station being positioned in a tectonically stable location close to the study area. Based on the GPS survey results and the DoD analysis, the study identifies the development of several secondary slumps on the main body of the huge slump. The secondary slumps are characterized by relatively slow movements with diverse directions. (C) 2017 Elsevier Ltd and INQUA. All rights reserved.
    關聯: QUATERNARY INTERNATIONAL 卷: 452 頁碼: 12-21
    显示于类别:[地理學系] 期刊論文

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