Trend Analysis of China Flood Disaster and Challenges in the Future

Abstract:

China is a country with frequent floods from ancient periods, caused by its complicate topology, higher in western regions, lower in eastern regions, consisting of three kinds of terraces, and precipitation variance at different seasons in a common, heavy or scare year. Challenges from floods are increased together with climate change, land use change and urbanization development, particularly, extreme rainfall events occurring with a high frequency. Four kinds of flood damage data time series including affected area, damaged area, dead population and collapsed houses from 1950 to 2010 from Bulletin of Flood and Drought Disaster in China in 2011 will be applied to trend analysis of floods by MK test. The results indicate that affected area and damaged area have significant upward trend, dead population has significant downward trend, damaged houses has no significant upward or downward trend. Keywords: Trend Analysis; Flood Damage; Mann-Kendall Test; Data Series

• Periodical: Applied Mechanics and Materials (Volumes 405-408)
• Pages: 2144-2150
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.405-408.2144
• Online since: September 2013
• Authors: Jian Fen Liu, Xing Nan Zhang, Hui Min Wang
• Keywords: Data Series, Flood Damage, Mann-Kendall Test, Trend Analysis

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