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Integrated Field Lysimetry and Porewater Sampling for Evaluation of Chemical Mobility in Soils and Established Vegetation
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Emergency material location-allocation planning using a risk-based integration methodology for river chemical spills.

Jie Liu1,2, Dexun Jiang3, Liang Guo1

  • 1School of Environment, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China.

Environmental Science and Pollution Research International
|March 14, 2020
PubMed
Summary

Effective emergency material location-allocation (EMLA) planning is crucial for river chemical spills. This study developed a two-stage framework using fuzzy MCDM and optimization to identify optimal warehouse sites, enhancing rapid response capabilities.

Keywords:
Emergency environmental managementEmergency material location-allocationEnvironmental risk assessmentFuzzy TOPSISMulti-objective optimization

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Area of Science:

  • Environmental Science
  • Operations Research
  • Emergency Management

Background:

  • Increasing river chemical spills necessitate robust pre-accident preparedness.
  • Effective emergency material location-allocation (EMLA) planning is critical for timely rescue operations.
  • Current strategies require optimization for improved response capacity.

Purpose of the Study:

  • To develop and validate a two-stage framework for optimal EMLA scheme selection for river chemical spills.
  • To integrate fuzzy multi-criteria decision-making (MCDM) and multi-objective optimization for EMLA planning.
  • To enhance emergency response effectiveness in the pre-accident phase.

Main Methods:

  • A two-stage framework combining fuzzy TOPSIS for warehouse evaluation and multi-objective optimization for allocation.
  • Environmental risk assessment integrated into the fuzzy TOPSIS method.
  • Application of the framework in Jiangsu province, China, to identify optimal warehouse locations.

Main Results:

  • The framework successfully identified five optimal emergency material warehouses in Jiangsu province (WZ1, WZ4, WZ5, WZ18, WZ25).
  • The EMLA optimization scheme achieved objectives of minimizing rescue points and maximizing rescue abilities.
  • Demonstrated capability to provide timely material distribution for risk sources.

Conclusions:

  • The developed two-stage framework provides an effective approach for optimizing EMLA schemes for river chemical spills.
  • The methodology enhances preparedness by ensuring rapid response and resource allocation.
  • This research contributes to improving resilience against chemical spill incidents through strategic planning.