GIS-Based Integration of Social Vulnerability and Level 3 Probabilistic Risk Assessment to Advance Emergency Preparedness, Planning, and Response for Severe Nuclear Power Plant Accidents

Justin Pence, Ian Miller, Tatsuya Sakurahara, James Whitacre, Seyed Reihani, Ernie Kee, Zahra Mohaghegh

Research output: Contribution to journalArticle

Abstract

In the nuclear power industry, Level 3 probabilistic risk assessment (PRA) is used to estimate damage to public health and the environment if a severe accident leads to large radiological release. Current Level 3 PRA does not have an explicit inclusion of social factors and, therefore, it is not possible to perform importance ranking of social factors for risk-informing emergency preparedness, planning, and response (EPPR). This article offers a methodology for adapting the concept of social vulnerability, commonly used in natural hazard research, in the context of a severe nuclear power plant accident. The methodology has four steps: (1) calculating a hazard-independent social vulnerability index for the local population; (2) developing a location-specific representation of the maximum radiological hazard estimated from current Level 3 PRA, in a geographic information system (GIS) environment; (3) developing a GIS-based socio-technical risk map by combining the social vulnerability index and the location-specific radiological hazard; and (4) conducting a risk importance measure analysis to rank the criticality of social factors based on their contribution to the socio-technical risk. The methodology is applied using results from the 2012 Surry Power Station state-of-the-art reactor consequence analysis. A radiological hazard model is generated from MELCOR accident consequence code system, translated into a GIS environment, and combined with the Center for Disease Control social vulnerability index (SVI). This research creates an opportunity to explicitly consider and rank the criticality of location-specific SVI themes based on their influence on risk, providing input for EPPR.

Original languageEnglish (US)
Pages (from-to)1262-1280
Number of pages19
JournalRisk Analysis
Volume39
Issue number6
DOIs
StatePublished - Jun 2019

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Civil Defense
Nuclear Power Plants
Systems Integration
Geographic Information Systems
Risk assessment
Geographic information systems
Nuclear power plants
Accidents
Hazards
Planning
Environment and Public Health
Disease control
Centers for Disease Control and Prevention (U.S.)
Proportional Hazards Models
Research
Public health
Industry
Nuclear energy
Population

Keywords

  • Geographic information systems
  • Level 3 probabilistic risk assessment
  • social vulnerability

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Physiology (medical)

Cite this

GIS-Based Integration of Social Vulnerability and Level 3 Probabilistic Risk Assessment to Advance Emergency Preparedness, Planning, and Response for Severe Nuclear Power Plant Accidents. / Pence, Justin; Miller, Ian; Sakurahara, Tatsuya; Whitacre, James; Reihani, Seyed; Kee, Ernie; Mohaghegh, Zahra.

In: Risk Analysis, Vol. 39, No. 6, 06.2019, p. 1262-1280.

Research output: Contribution to journalArticle

Pence, Justin ; Miller, Ian ; Sakurahara, Tatsuya ; Whitacre, James ; Reihani, Seyed ; Kee, Ernie ; Mohaghegh, Zahra. / GIS-Based Integration of Social Vulnerability and Level 3 Probabilistic Risk Assessment to Advance Emergency Preparedness, Planning, and Response for Severe Nuclear Power Plant Accidents. In: Risk Analysis. 2019 ; Vol. 39, No. 6. pp. 1262-1280.
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