Tree ring isotopes reveal an intensification of the hydrological cycle in the Amazon.

Commun Earth Environ · 2025 · PMC12173935 · PMID 40538634

Europe PMC DOI

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closest p · 1.0× alpha

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a positive trendp < 0.05actually significant

Estimates of rainfall changes inferred from trends in δ 18 O TR The two δ 18 O TR chronologies show diverging long-term patterns, with a positive trend ( p < 0.05) in the M. acaciifolium record and a negative trend ( p < 0.1) in the C. odorata since the mid 1970s.

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a negative trendp < 0.1so close (0.05 < p ≤ 0.1)

acaciifolium record and a negative trend ( p < 0.1) in the C. odorata since the mid 1970s.

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