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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/40285


    Title: 中部地區自由場強震儀暨結構物地震監測系統檢測及資料收集;Taiwan Strong Motion Instrument Program Field and Building Array System Maintenance and Data Acquisition in the Central Taiwan
    Authors: 王乾盈
    Contributors: 地球物理研究所
    Keywords: 強地動觀測計畫;強地動;資料收集;TSMIP;Strong Motion;Data Acquisition;地球科學類
    Date: 2000-12-01
    Issue Date: 2010-11-03 16:04:51 (UTC+8)
    Publisher: 交通部中央氣象局
    Abstract: 中央氣象局地震測報中心自1992年起,推動建立全省的強地動觀測計畫。預定設置1000部加速度型強震儀來收集強地動資料,以進行地震災害分析。到目前為止,已經有六百多部自由場的強震儀於全省監測地動情形。為維護儀器正常運作及資料蒐集方便,強地動觀測計畫將全省分成七個區域,分別由不同的大學與研究單位負責資料收集的工作。本所負責的中部地區(面積約140公里*110公里)包括130個強震站及12座結構物地震監測系統,其中強震站涵蓋桃園縣18站、新竹縣21站、苗栗縣22站、台中縣32站、南投縣18站、及彰化縣19站;而結構物系統則包括桃園縣3站、新竹縣5站、苗栗縣3站、及台中市1站。計畫主要的工作包含下列幾項:1)儀器維護 2)資料收集 3)背景雜訊分析 4)基本分析與資料整理。其目的是希望能夠收集高品質的強震資料,並使整個系統運作更為順利,以提高可信度。除了野外資料收集之外,我們也進行一些基本的分析。根據這幾年來的記錄,可以檢測並評估系統的效能。另外,不同地區的PGA、PGV、PGD也可得到。利用Boatwright’s(1991)所提出的觀念,可以將震源、場址、及路徑的效應分離;由分離的場址效應顯示與區域地質有關。這是相當有趣的研究,值得做更進一步的努力。 The earthquake center of Central Weather Bureau has set up a program to promote the observation of earthquake strong motion over Taiwan island since 1992. The purpose is to establish a 1000 station system to collect reliable strong motion data for earthquake hazard analysis. Half of these instruments (600 pieces) are deployed on the free field to monitor the ground motion. In order to maintain the instrument and to collect the data, the system has been divided into 7 areas, and distributed among the universities and research institutes to share the responsibility. Our research group is in charge of the area of Central Taiwan which has 130 stations with an area of 150 km x 130 km. This region includes the counties of Taoyuan (18), Hsinchu(21), Miaoli (22), Taichung (32), Nantou (18), and Changhua (19). The task of this project includes 1) instrument maintenance, 2) data acquisition, 3) background noise analysis, and 4) documentation and basic signal analysis. All of these efforts will direct toward collecting high quality strong motion records and making the system operate smoothly and reliably. Except the field data collection, we also performed several basic data analysis. By using these years' data, we reviewed and evaluated the performance of the system. The space distributions of PGA, PGV, PGD in different areas are investigated. Some techniques to separate the source, site, and path effect of Boatwright's (1991) type are also tested. The isolated site effects show consistent variation with local geology. This is an interesting study and worth further effort. 研究領域:8807 ~ 8912
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[Graduate Institute of Geophysics] Research Project

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