ArticleProceedings of the National Academy of Sciences of the United States of America2023
Dissolved gases in the deep North Atlantic track ocean ventilation processes.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- A High-Precision Analytical Technique for Dissolved NRapid communications in mass spectrometry : RCM · 2025Article
- A universal wind-wave-bubble formulation for air-sea gas exchange and its impact on oxygen fluxes.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Past aquifer responses to climate recorded by fossil groundwater.Science advances · 2025Article
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16 authors.
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Abstract
Gas exchange between the atmosphere and ocean interior profoundly impacts global climate and biogeochemistry. However, our understanding of the relevant physical processes remains limited by a scarcity of direct observations. Dissolved noble gases in the deep ocean are powerful tracers of physical air-sea interaction due to their chemical and biological inertness, yet their isotope ratios have remained underexplored. Here, we present high-precision noble gas isotope and elemental ratios from the deep North Atlantic (~32°N, 64°W) to evaluate gas exchange parameterizations using an ocean circulation model. The unprecedented precision of these data reveal deep-ocean undersaturation of heavy noble gases and isotopes resulting from cooling-driven air-to-sea gas transport associated with deep convection in the northern high latitudes. Our data also imply an underappreciated and large role for bubble-mediated gas exchange in the global air-sea transfer of sparingly soluble gases, including O
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