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March 21, 2026Water Resources ResearchOpen Access

Critical Slowing Down Reveals Hydrologic Resilience Loss Across Amazon Sub‐Basins

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Authors

GPGermán Poveda

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Overview

Research uncovers critical slowing down signals indicating hydrologic resilience loss across Amazon sub-basins, suggesting urgent action is needed.

Key Points

  • This research aims to investigate early-warning signals of hydrologic resilience loss in the Amazon's hydroclimate.
  • Applied a multi‐metric framework to assess precipitation, evapotranspiration, soil moisture, and streamflows.
  • Monitored metrics like variance, lag‐1 autocorrelation, distributional asymmetry, and entropy.
  • Identified geographic patterns in resilience loss across Amazon sub‐basins.
  • 71% of basins showed at least three critical slowing down signals in precipitation.
  • 68% exhibited similar signs in evapotranspiration, while 62% did so in soil moisture.
  • Significant patterns of slowing recovery and prolonged persistence were observed in extreme streamflow states.

Cite This Study

Germán Poveda (2026) studied this question.

synapsesocial.com/papers/69be35a96e48c4981c674009https://doi.org/10.1029/2025wr040039
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