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Predictability of state-level flood damage in the conterminous United States: the role of hazard, exposure and vulnerability

Journal Article · · Scientific Reports
 [1];  [2];  [2]
  1. Guangdong Univ. of Technology, Guangzhou (China); Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Joint Global Change Research Institute, Pacific Northwest National Laboratory, College Park, MD
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Understanding historical changes in flood damage and the underlying mechanisms is critical for predicting future changes for better adaptations. In this study, a detailed assessment of flood damage for 1950–1999 is conducted at the state level in the conterminous United States (CONUS). Geospatial datasets on possible influencing factors are then developed by synthesizing natural hazards, population, wealth, cropland and urban area to explore the relations with flood damage. A considerable increase in flood damage in CONUS is recorded for the study period which is well correlated with hazards. Comparably, runoff indexed hazards simulated by the Variable Infiltration Capacity (VIC) model can explain a larger portion of flood damage variations than precipitation in 84% of the states. Cropland is identified as an important factor contributing to increased flood damage in central US while urbanland exhibits positive and negative relations with total flood damage and damage per unit wealth in 20 and 16 states, respectively. Altogether, flood damage in 34 out of 48 investigated states can be predicted at the 90% confidence level. In extreme cases, ~76% of flood damage variations can be explained in some states, highlighting the potential of future flood damage prediction based on climate change and socioeconomic scenarios.
Research Organization:
Battelle Memorial Institute, Columbus, OH (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Grant/Contract Number:
SC0013680
OSTI ID:
1393484
Journal Information:
Scientific Reports, Journal Name: Scientific Reports Journal Issue: 1 Vol. 7; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (13)

Novel Hybrid Evolutionary Algorithms for Spatial Prediction of Floods journal October 2018
Mediterranean UNESCO World Heritage at risk from coastal flooding and erosion due to sea-level rise journal October 2018
Higher-order statistics based multifractal predictability measures for anisotropic turbulence and the theoretical limits of aviation weather forecasting journal December 2019
Recent changes in vulnerability and responses of economic and human systems to major extreme weather hazards in the United States journal January 2020
Daily Precipitation Threshold for Rainstorm and Flood Disaster in the Mainland of China: An Economic Loss Perspective journal January 2020
Recent Changes in the Occurrences and Damages of Floods and Droughts in the United States journal August 2018
Daily Precipitation Threshold for Rainstorm and Flood Disaster in the Mainland of China: An Economic Loss Perspective posted_content May 2020
Impacts of future climate change on urban flood volumes in Hohhot in northern China: benefits of climate change mitigation and adaptations journal January 2018
The relationship between precipitation and insurance data for floods in a Mediterranean region (northeast Spain) journal January 2018
Changes in flood damage with global warming on the eastern coast of Spain journal January 2019
Changes in flood damage with global warming in the east coast of Spain posted_content August 2019
Recent changes in vulnerability and responses of economic and human systems to major extreme weather hazards in the United States text January 2020
Recent changes in vulnerability and responses of economic and human systems to major extreme weather hazards in the United States text January 2020

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