Monitoring of the reconstruction process in a high mountainous area affected by a large earthquake and subsequent debris flows

Chenxiao Tang*, Xinlei Liu, Yinghua Cai, C. van Westen, Yu Yang, Hai Tang, Chengzhang Yang, Chuan Tang

*Corresponding author for this work

Research output: Working paperPreprintAcademic

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Abstract

Recovering from major earthquakes is a challenge, especially in mountainous environments where post-earthquake mass movements and floods may cause substantial impacts. We monitored the reconstruction of Longchi town in Sichuan, China, over a period of 11 years, following the 2008 Wenchuan earthquake. Seven inventories of buildings, land use, roads and mitigation measures were made by using remote sensing image interpretation and field surveys. Most of the buildings were rebuild by 2010 and reconstruction was completed by 2012. The total economic value of the new buildings in 2010 was much more than the pre-earthquake situation in 2007. Unfortunately, post-seismic hazards were not sufficiently taken into consideration in the recovery planning before the catastrophic debris flow disaster in 2010. As a result, the direct economic loss from post-seismic disasters was more than the loss caused by the earthquake itself. The society showed an impact - adapt pattern, taking losses from disasters and then gaining resistance.
Original languageEnglish
PublisherEuropean Geosciences Union
Pages1-37
Number of pages37
DOIs
Publication statusPublished - 10 Sept 2019

Keywords

  • ITC-GOLD

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