Global connections between El Nino and landslide impacts

Robert Emberson (), Dalia Kirschbaum and Thomas Stanley
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Robert Emberson: NASA Goddard Space Flight Center
Dalia Kirschbaum: NASA Goddard Space Flight Center
Thomas Stanley: NASA Goddard Space Flight Center

Nature Communications, 2021, vol. 12, issue 1, 1-11

Abstract: Abstract El Nino is a critical part of global inter-annual climate variability, and the intensity of El Nino has major implications for rainfall-induced natural hazards in many vulnerable countries. The impact of landslides triggered by rainfall is likely to be modulated by the strength of El Nino, but the nature of this connection and the places where it is most relevant remains unconstrained. Here we combine new satellite rainfall data with a global landslide exposure model to show that El Nino has far-reaching effects on landslide impacts to people and infrastructure. We find that the impact of El Nino on landslide exposure can be greater in parts of Southeast Asia and Latin America than that due to seasonal rainfall variability. These findings improve our understanding of hazard variability around the world and can assist disaster mitigation efforts on seasonal timescales.

Date: 2021
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DOI: 10.1038/s41467-021-22398-4

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