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November 11, 2025Journal of Geophysical Research AtmospheresOpen Access

Nitrogen Oxides in the Remote Marine Environment: Implications for Oceanic Emissions and Photolysis of Particulate Nitrate

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Authors

FAForoozan ArkianCTChelsea ThompsonJPJeff Peischl

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Overview

Global chemistry‐climate model reveals nitrogen oxides from ocean emissions enhance hydroxyl radicals in marine atmosphere, implying wider atmospheric implications.

Key Points

  • Increasing oceanic emissions of nitrogen oxides impact hydroxyl radicals in remote marine environments, modifying atmospheric interactions.
  • A global chemistry‐climate model estimated significant nitrogen oxides contribution, with potential ocean source of ∼3 Tg N annually.
  • Observations from NASA's Atmospheric Tomography Mission evaluated the findings, supporting the increase in surface ozone concentrations.
  • These results highlight the need for re-evaluation of nitrate aerosol impacts on marine chemistry and atmospheric dynamics.

Cite This Study

Arkian et al. (2025) studied this question.

synapsesocial.com/papers/69252ea8c0ce034ddc356a38https://doi.org/10.1029/2025jd044077
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