Wanyun Shao, Ph.D
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A new paper in Scientific Reports

12/29/2019

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       In a new paper, we assessed the socio-economic vulnerability to flash floods across the contiguous U.S. This paper has been published in Scientific Reports (a Nature journal). For more information, below please find the abstract:

       "Flash flood is among the most catastrophic natural hazards which causes disruption in the environment and societies. Flash flood is mainly initiated by intense rainfall, and due to its rapid onset (within six hours of rainfall), taking action for effective response is challenging. Building resilience to flash floods require understanding of the socio-economic characteristics of the societies and their vulnerability to these extreme events. This study provides a comprehensive assessment of socio-economic vulnerability to flash floods and investigates the main characteristics of flash flood hazard, i.e. frequency, duration, severity, and magnitude. A socio-economic vulnerability index is developed at the county level across the Contiguous United States (CONUS). For this purpose, an ensemble of social and economic variables from the US Census and the Bureau of Economic Analysis were analyzed. Then, the coincidence of socio-economic vulnerability and flash flood hazard were investigated to identify the critical and non-critical regions. Results show that the southwest U.S. experienced severe flash flooding with high magnitude, whereas the Northern Great Plains experience lower severity and frequency. Critical counties (high-vulnerable-hotspot) are mostly located in the southern and southwestern parts of the U.S. The majority of counties in the Northern Great Plains indicate a non-critical status."
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Figure 7. Flash flood hazard characteristics converted from gauge station to the county-scale (Khajehei et al. 2020)
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Figure 8. Maps of the counties where flashflood extremes coincide with socio-economic vulnerability extremes (Khajehei et al. 2020)
1 Comment
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1/10/2020 09:58:10 am

If the global warming will continue, it was predicted that some countries in the world will be under water. Thus, I can say that your report is factual because it is happening already. What's worst about this is the ignorance of people. If such practice will continue, it would be surprise that the bad prediction will happen. That's why we need to empower people and let them think that they can be part of the change we want to happen. There must be something that should be done.

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    Wanyun Shao, Ph.D

    I am a geographer who studies the relationship between human society and the environment at various geographic levels. I apply both quantitative (i.e., statistics and geospatial models) and qualitative (i.e., in-person interviews and policy analysis) methods in my research.

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