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July 13, 2026Environment Systems & DecisionsOpen Access

A spatiotemporal GIS-based multicriteria assessment of intra-urban water security under a large-scale urban mining disaster in Maceió, Alagoas State (AL), Brazil

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Authors

AAAndressa Ellen ApolinárioWSWesley Douglas Oliveira SilvaMSMarcos dos Santos

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Overview

Multicriteria assessment evaluates urban water security in Maceió post-mining disaster, suggesting urgent planning measures.

Key Points

  • This study aims to assess the dynamics of urban water security in Maceió before and after a large-scale mining disaster.
  • Developed a GIS-based multicriteria model using pre-disaster (2010) and post-disaster (2022) data.
  • Identified 67 indicators and consolidated them into 26 criteria through exploratory factor analysis.
  • Utilized the FITradeoff method to evaluate spatial inequalities and vulnerability across neighborhoods.
  • 47% increase in neighborhoods classified as more vulnerable regarding water security from 2010 to 2022.
  • Significant declines noted in areas impacted by population displacement and geotechnical hazards.
  • Findings highlight cumulative pressures on infrastructure, service accessibility, and governance.

Cite This Study

Apolinário et al. (2026) studied this question.

synapsesocial.com/papers/6a54835d475c38bf615a5ee6https://doi.org/10.1007/s10669-026-10118-6
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Also Consider

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  1. 1Multidimensional assessment of urban water security under post-disaster and environmental stress conditions2026
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  4. 4Beyond Salt Mining: Urban Subsidence Hotspots Characterization in Maceió (Brazil), 2016–20242025 · 1 citations
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