Hypoxia and acidification antagonistically suppress nitrification but enhance its N 2 O production in coastal waters

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• Tierra y clima/Océanos y agua25 de sept de 2026

  Global dispersal of macroalgae-derived recalcitrant DOC may substantially contribute to deep-ocean carbon storage

  The detection of candidate kelp-associated RDOC signals throughout the global ocean provides molecular-level evidence of the long-distance export of macroalgae-derived RDOC to the pelagic and deep ocean, highlighting a major, previously unrecognized pathway of long-term storage of macroalgae-derived DOC in global oceans, although the precise fraction exported to the deep ocean remains to be quantified.

  Xiuting Feng, Shailesh Nair, Kasper Hancke y 10 más — Science Advances

  Revista con revisión por paresAfirmaciones fuertes, leer con cuidadoDice ser un gran avance

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• Tierra y clima/Océanos y agua25 de sept de 2026

  Englacial authigenesis in deep Antarctic ice: implications for Martian dust oxidation

  Here we show that englacial authigenesis is documented across different Antarctic deep ice cores and involves the formation of mineral phases such as goethite/lepidocrocite and hematite/maghemite, in addition to jarosite.

  Luca Lanci, Barbara Delmonte, Michele Mattioli y 6 más — Communications Earth & Environment

  Revista con revisión por paresAfirmaciones fuertes, leer con cuidadoInterés amplio

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• Tierra y clima/Océanos y agua25 de sept de 2026

  Global carbon dioxide flux into the surface ocean intensified by rain-induced dilution

  Here we present a global analysis of rain effects on CO2 exchange employing the most realistic available model of rain-induced dilution for high-resolution satellite datasets, yielding a total rain-induced increase in ocean uptake of 13.6% relative to a wind-only effect.

  Carson R. Witte, Christopher J. Zappa, Wade R. McGillis — Nature Geoscience

  Revista con revisión por pares

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• Tierra y clima/Océanos y agua25 de sept de 2026

  HClimRep-Ocean: A Global Ocean Emulator on an Unstructured Mesh

  We present HClimRep-Ocean, an ocean emulator that operates directly on the native unstructured mesh of FESOM2.

  Kacper Nowak, Aleksei Koldunov, Nikolay Koldunov y 7 más — arXiv

  Preprint

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• Tierra y clima/Océanos y agua25 de sept de 2026

  Coupled increases in pelagic fish productivity and export productivity during the Paleocene-Eocene Thermal Maximum

  We find a widespread increase in pelagic fish productivity, particularly in the Pacific and North Atlantic, that closely tracks export productivity in trend and spatial pattern, suggesting this increase was fueled by enhanced carbon export from the surface ocean.

  Xiuwen Zhou, Ruiling Zhang, Man‐Yin Tsang y 2 más — Nature Communications

  Revista con revisión por pares

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