<p>Multi-hazard scenarios occur when two or more hazards strike a specific location, disrupting ecosystems, damaging infrastructure, displacing communities, and threatening food security. These impacts pose significant challenges to sustainable development, especially in vulnerable areas of Ethiopia. The Dollo Ado Woreda is a semi-arid region in Ethiopia that often faces recurrent droughts and floods, primarily caused by climate change, environmental degradation, and poor land-use practices, which weaken long-term development and resilience. This study analyzes multi-hazard patterns from 2015 to 2024 using time-series analysis and geospatial techniques, focusing on spatial and temporal variability, hazard relationships, and triggering factors. Results show that eastern Dollo Ado Woreda experienced the highest multi-hazard exposure at 23.27%, with droughts mostly occurring from January to March, September, and December, while floods mainly occurred from April to August, October, and November. The study also highlights ten key predictors of hazard occurrence, with statistical significance above 94.53% and adjusted R<sup>2</sup> values over 0.11. These findings are vital for improving sustainable land and water management, enhancing early warning systems, and shaping policies for risk reduction in low-lying, hazard-prone areas. By aligning with Sustainable Development Goal (SDG 13) (Climate Action), the research promotes integrated, data-driven approaches to monitoring, managing, and reducing multi-hazard vulnerability. Ultimately, this study provides practical insights for policymakers, humanitarian actors, and local governments to develop adaptable, community-focused, and environmentally sound disaster risk reduction and resilience strategies.</p>

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Spatiotemporal assessment of multi-hazards to inform sustainable development and risk reduction planning in Dollo Ado Woreda, Somali Region, Ethiopia

  • Fisha Semaw,
  • Derege Meshesha,
  • Abiyot Legesse Tura

摘要

Multi-hazard scenarios occur when two or more hazards strike a specific location, disrupting ecosystems, damaging infrastructure, displacing communities, and threatening food security. These impacts pose significant challenges to sustainable development, especially in vulnerable areas of Ethiopia. The Dollo Ado Woreda is a semi-arid region in Ethiopia that often faces recurrent droughts and floods, primarily caused by climate change, environmental degradation, and poor land-use practices, which weaken long-term development and resilience. This study analyzes multi-hazard patterns from 2015 to 2024 using time-series analysis and geospatial techniques, focusing on spatial and temporal variability, hazard relationships, and triggering factors. Results show that eastern Dollo Ado Woreda experienced the highest multi-hazard exposure at 23.27%, with droughts mostly occurring from January to March, September, and December, while floods mainly occurred from April to August, October, and November. The study also highlights ten key predictors of hazard occurrence, with statistical significance above 94.53% and adjusted R2 values over 0.11. These findings are vital for improving sustainable land and water management, enhancing early warning systems, and shaping policies for risk reduction in low-lying, hazard-prone areas. By aligning with Sustainable Development Goal (SDG 13) (Climate Action), the research promotes integrated, data-driven approaches to monitoring, managing, and reducing multi-hazard vulnerability. Ultimately, this study provides practical insights for policymakers, humanitarian actors, and local governments to develop adaptable, community-focused, and environmentally sound disaster risk reduction and resilience strategies.