Gps/GIS integration used to establish a disaster risk mapping system for nantou county in central taiwan

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Abstract

The Administration of Nantou County, located at the central part of Taiwan island, includes 13 townships with 410644 ha in total area. Lots of slope land became instable induced by the 921 Chi-Chi earthquakes since 1999. Serious sediment related disaster such as soil erosion, landslide, soil mass movement and debris flow resulted from high rainfall intensity and steep geomorphology after Chi-Chi earthquake has been recognized as major detrimental factors. As a matter of fact, sediment disasters damaging public facilities were seriously concerned by Nantou county government. Residential properties and human lives attacked by Chi-Chi earquake and sediment related disaster were also considered as an important issue of Nantou County. To identity large-scale soil mass movement and debris flow by using satellite image processing system and aerial photography interpretation should be required in this project. Applications of GIS integrated with GPS and RS technology would be also necessary for this research. However, establishing disaster auto-mapping system used to estimate the disaster risk occurrence of hill slope environment at Nantou County would be critical. This mapping system was setup by using disaster risk analysis on the basis of GIS/RS integration and disaster database establishment. This can give a positive guideline of sediment disaster prevention on hill slope. Also, we expect this auto-mapping system can help Nantou county government renew their disaster prevention program and keep well development of Nantou County in the near future. © 2008 Science Press Beijing and Springer-Verlag GmbH Berlin Heidelberg Geotechnical Engineering for Disaster Mitigation and Rehabilitation.

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APA

Tsai, K. J., Chen, K. T., & Lin, C. C. (2008). Gps/GIS integration used to establish a disaster risk mapping system for nantou county in central taiwan. In Geotechnical Engineering for Disaster Mitigation and Rehabilitation - Proceedings of the 2nd International Conference GEDMAR08 (pp. 236–243). Springer-Verlag GmbH and Co. KG. https://doi.org/10.1007/978-3-540-79846-0_21

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