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Understanding risk perception from floods: a case study from China.

Yi Ge1, Guangfei Yang1, Xiaotao Wang1

  • 1School of the Sociology and Development, Nanjing Normal University, Nanjing, 210097 China.

Natural Hazards (Dordrecht, Netherlands)
|January 11, 2021
PubMed
Summary
This summary is machine-generated.

Public perception of flood risk in Nanjing is positively linked to exposure and personal experience. Higher perceived flood risk and loss of life increase willingness to adopt protective measures.

Keywords:
Chi-squared testExperienceProtective behaviorsRisk perceptionSocial trust

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Area of Science:

  • Environmental Science
  • Risk Management
  • Social Science

Background:

  • Public risk perception is crucial for effective flood risk management.
  • China's nationwide catastrophe response mode differs from Western "bottom-up" approaches, potentially influencing risk perception.
  • Understanding flood risk perception in China is valuable due to unique governance structures.

Purpose of the Study:

  • To investigate public perception of flood hazard and risk in a flood-prone Chinese city.
  • To examine the relationship between exposure, experience, social trust, protective behaviors, and flood risk perception.
  • To inform flood risk communication strategies in Nanjing.

Main Methods:

  • Spatial analysis to examine the relationship between risk perception and exposure.
  • Chi-squared tests for inferential testing on experience, social trust, and protective behaviors.
  • Case study in a flood-prone city (Nanjing).

Main Results:

  • A statistically significant positive relationship exists between exposure and risk perception in Nanjing.
  • Flood experience and social trust were strongly related to risk perception.
  • Perceived flood probability and associated loss of life correlate with a higher willingness to take protective measures.

Conclusions:

  • Findings highlight the importance of personal experience and trust in shaping flood risk perception.
  • Effective flood risk communication strategies should consider these factors to improve public awareness and preparedness.
  • The study provides insights for local governments to enhance emergency response and preparedness measures.