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GPS/GIS/RS科技整合應用於南投縣坡地社區環境潛勢災害分析模式之研究

A Study on the Potential Disasters Analysis Model by GPS/GIS/RS Integration on the Community in Nantou County

摘要


南投縣含括13個鄉鎮市(1市4鎮8鄉),總人口數達538,413人,地勢由西向東漸進,東部地形陡急高聳,西部較爲平坦,地質構造脆弱,降雨時空分佈不均勻。近年來,坡地社區環境災害頻傳,如豐丘土石流災害,神木村之地層崩塌滑動,雙龍部落之坡地土砂災害等,又自1999年921集集地震以來,南投地區之自然山崩與坡地土砂災害面積急遽新增與擴大,因此本研究整合GPS/GIS/RS科技應用於南投縣坡地社區環境災害特性之調查,並建立其環境潛勢災害風險評估分析模式,將南投縣重建區與非重建區內坡地社區及921震災重建區內坡地社區環境潛勢災害空間分佈特性作差異性分析,進而再輔以現地GPS踏勘複查,並將坡地社區環境災害所在區位、地理座標、特性與分佈等相關資料結合地理資訊系統(GIS)與遙測技術(RS),分別作不同坡地社區環境災害潛勢資料圖層之建檔分類、災害影響因子之統計分析與災害潛勢評估模式之建立。

並列摘要


Owing to heavy rainfall with uneven distribution, steep geomorphology, intensive human activities, and landslides induced by 921 Chi-Chi earthquakes in 1999 have been identified as the predominated factors contributing to the environmental disasters of community located in Nantou areas. Applications of geographic information systems (GIS) integrated with global positioning systems (GPS) and remote sensing (RS) technology would also be necessary for this research. This project is going to be critical and positive for developing an assessment model of environmental hazard mitigation and establishing a geohazard database system for the community on hill slope in Nantou County. This guideline can help Nantou county government set up their own disaster prevention systems for slopeland and keep safety and well development of rural area after Chi-Chi earthquake. It is expected that establishment of the risk assessment model in this study can help well-development and hazard mitigation for communities on hill slopes of Nantou County in central Taiwan.

並列關鍵字

Urban Disaster Prevention GPS RS GIS

參考文獻


Jay, G.(1992).Modeling Landslide Susceptibly from a DTM in Nelson County.Virginia:
Robert, B. A.(1991).The Use of a Geographical Information System for Mapping Landslide Potential in the West Indies.NY, USA:University of Buffalo Press.
Wu, M. L.,H. S. Yang,D. R. Song(1991).Solid Modeling of Headwater Landslides for Management of a Watershed.1991 ACSM-ASPRS Annual Convention.4,250-256.
Xiao, Xiangming,Stephen Boles(2002).Characterization of forest types in Northeastern Chinausing Multi-temporal SPOT-4 VEGETATION sensor data.Remote Sensing of Environment.82,335-348.
氣候資料

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