High-resolution Remote Sensing-based Method for Determining the Changes of Loss Risk from Earthquake-induced Geohazard-chain
- DOI
- 10.2991/rsete.2013.45How to use a DOI?
- Keywords
- high-resolution remote sensing, earthquake-induced geohazard-chain, risk, the Qingping Country
- Abstract
Taking the year 1979, 2008 and 2010 as the representative reference periods, the vulnerabilities and loss risks of hazard-affected bodies from Wenchuan Earthquake-induced geohazard-chain and its temporal-spatial changes in Qingping country have been analyzed mainly through GIS, high-resolution remote sensing-based method and scenario analytical method. The main achievements are concluded as follows: From 1979 to 2010, the building area increased 2.4 times, the road mileage grew more than 2 times but the farmland area reduced by 40.7%. Under the scenario of Wenchuan Earthquake-induced geohazard-chain, in the last thirty years, the damaged building area increased 2.7 times, the mileage of destroyed road grew 1.9 times but the ruined farmland decreased by 62.6%. The economic losses of the three kinds of hazard-affected bodies in 2010 were 4.41 times more than that in 1979. Urbanization, population growth and economic development are the main driving forces of the temporal-spatial changes of the risk from earthquake-induced geohazard-chain in Qingping country.
- Copyright
- © 2013, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Qi Wenhua AU - Su Guiwu PY - 2013/08 DA - 2013/08 TI - High-resolution Remote Sensing-based Method for Determining the Changes of Loss Risk from Earthquake-induced Geohazard-chain BT - Proceedings of the 2013 the International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE 2013) PB - Atlantis Press SP - 182 EP - 185 SN - 1951-6851 UR - https://doi.org/10.2991/rsete.2013.45 DO - 10.2991/rsete.2013.45 ID - Wenhua2013/08 ER -