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Stéphane Hallegatte

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Case report Open access Oct 2026

Global Flood Risk in the 2026/27 El Niño: An Empirical Estimate from the Historical Relationship

We estimate the response of recorded flood activity to the Niño3.4 sea-surface-temperature anomaly for 104 countries, using a monthly country panel built from EM-DAT (1980–2025) and the NOAA Niño3.4 series. Identification comes from within-country, within-calendar-month variation in the index, net of a linear trend in...

Stéphane Hallegatte · 0 citations

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