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Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
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Pilot Implementation Results From a Community-Based Flood Resilience Exercise to Improve Individual Disaster

Christopher P Carr1, Jennifer L Gay1, Michelle Ritchie1

  • 1University of Georgia, Athens, GA, USA.

Health Promotion Practice
|May 30, 2026
PubMed
Summary
This summary is machine-generated.

Climate change intensifies natural disasters, worsening health inequities. A disaster preparedness exercise improved preparedness behaviors, particularly knowing where to find resources, though social capital unexpectedly decreased plan adoption.

Keywords:
climate/climate justicecommunity interventiondisaster and emergency preparednesshealth promotionresiliencesocial capitalsocial determinants of health

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Area of Science:

  • Environmental Health
  • Community Resilience
  • Disaster Preparedness

Background:

  • Climate change-induced natural disasters exacerbate health disparities and marginalize communities.
  • The extreme weather-climate gap highlights the need for community-focused preventive and resilience interventions.
  • Understanding community perceptions of disaster risk is crucial for effective preparedness.

Purpose of the Study:

  • To evaluate the effectiveness of an in-person disaster preparedness exercise.
  • To assess the impact of the exercise on disaster preparedness behaviors and risk perceptions.
  • To identify factors influencing disaster preparedness adoption.

Main Methods:

  • A pre-post implementation study design with 106 participants.
  • Inclusion of an educational component and a participatory mapping exercise.
  • Quantitative evaluation of disaster preparedness behavior adoption using logistic regression, analyzing social resources, social capital, perceived susceptibility, perceived stress, and self-efficacy.

Main Results:

  • Attendance at the disaster exercise increased the probability of adopting preparedness behaviors for three of four outcomes, notably knowing where to find resources (29 percentage points increase).
  • Higher social capital was linked to a lower probability of having a disaster plan, potentially due to an inflated sense of support.
  • Increased perceived susceptibility correlated with a higher likelihood of having an emergency bag and knowing resource locations post-exercise.

Conclusions:

  • The brief, active learning disaster preparedness exercise effectively improved risk perceptions for flood disasters, emergency bag acquisition, and knowledge of critical resource locations.
  • Social capital may have a complex, potentially negative, influence on formal disaster planning.
  • Addressing barriers to in-person participation, such as work and family commitments, is essential for scaling up disaster preparedness initiatives.