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Correlations Between Extreme Atmospheric Hazards and Global Teleconnections: Implications for Multihazard Resilience
Reviews of Geophysics ( IF 25.2 ) Pub Date : 2018-01-05 , DOI: 10.1002/2017rg000567 H. Steptoe 1 , S. E. O. Jones 1, 2 , H. Fox 1, 3
Reviews of Geophysics ( IF 25.2 ) Pub Date : 2018-01-05 , DOI: 10.1002/2017rg000567 H. Steptoe 1 , S. E. O. Jones 1, 2 , H. Fox 1, 3
Affiliation
Occurrences of concurrent extreme atmospheric hazards represent a significant area of uncertainty for organizations involved in disaster mitigation and risk management. Understanding risks posed by natural disasters and their relationship with global climate drivers is crucial in preparing for extreme events. In this review we quantify the strength of the physical mechanisms linking hazards and atmosphere‐ocean processes. We demonstrate how research from the science community may be used to support disaster risk reduction and global sustainable development efforts. We examine peer‐reviewed literature connecting 16 regions affected by extreme atmospheric hazards and eight key global drivers of weather and climate. We summarize current understanding of multihazard disaster risk in each of these regions and identify aspects of the global climate system that require further investigation to strengthen our resilience in these areas. We show that some drivers can increase the risk of concurrent hazards across different regions. Organizations that support disaster risk reduction, or underwrite exposure, in multiple regions may have a heightened risk of facing multihazard losses. We find that 15 regional hazards share connections via the El Niño–Southern Oscillation, with the Indian Ocean Dipole, North Atlantic Oscillation, and the Southern Annular Mode being secondary sources of significant regional interconnectivity. From a hazard perspective, rainfall over China shares the most connections with global drivers and has links to both Northern and Southern Hemisphere modes of variability. We use these connections to assess the global likelihood of concurrent hazard occurrence in support of multihazard resilience and disaster risk reduction goals.
更新日期：2018-01-05
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