How El Niño Reshaped Emissions in the Amazon
Field measurements across the 2023-2024 El Niño reveal persistent drought-linked changes in Amazon volatile emissions
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The Amazon canopy study during the 2023-2024 El Niño found a 122% increase in sesquiterpene levels due to extreme drought.
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Sesquiterpene alcohols were detected in the wet season after peak drought, indicating persistent stress-related metabolic changes.
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The study highlights a shift toward lower-volatility and more reactive compounds in the atmosphere due to severe drought.
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Researchers used advanced sampling techniques to track isoprene, monoterpenoids, and sesquiterpenoids across four periods.
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Climate models predict increased frequency and intensity of El Niño events, potentially making these emissions a permanent feature.
