articleScientific ReportsApr 6, 2024GOLD OA

The new record of drought and warmth in the Amazon in 2023 related to regional and global climatic features

JCJhan Carlo EspinozaJCJuan C. Jiménez‐MuñozJAJosé A. MarengoJSJochen SchöngartJRJosyane Ronchail

Centre National de la Recherche Scientifique · Institut des Géosciences de l'Environnement · +11 more institutions

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Abstract

In 2023 Amazonia experienced both historical drought and warm conditions. On October 26th 2023 the water levels at the port of Manaus reached its lowest record since 1902 (12.70 m). In this region, October monthly maximum and minimum temperature anomalies also surpassed previous record values registered in 2015 (+ 3 °C above the normal considering the 1981-2020 average). Here we show that this historical dry and warm situation in Amazonia is associated with two main atmospheric mechanisms: (i) the November 2022-February 2023 southern anomaly of vertical integrated moisture flux (VIMF), related to VIMF divergence and extreme rainfall deficit over southwestern Amazonia, and (ii) the June-August 2023 downward…

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Topics & keywords

Topics
Keywords
  • Amazon rainforest
  • Geography
  • Environmental science
  • Climatology
  • Ecology
  • Biology
  • Geology
UN Sustainable Development Goals
  • Life below water
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