Articles | Volume 21, issue 4
https://doi.org/10.5194/os-21-1515-2025
https://doi.org/10.5194/os-21-1515-2025
Research article
 | 
25 Jul 2025
Research article |  | 25 Jul 2025

Drivers of the spatiotemporal distribution of dissolved nitrous oxide and air–sea exchange in a coastal Mediterranean area

Susana Flecha, Mercedes de la Paz, Fiz Fernández Pérez, Núria Marbà, Carlos Morell, Eva Alou-Font, Joaquín Tintoré, and Iris E. Hendriks

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Cited articles

Agueda-Aramburu, P., Flecha, S., Lujan-Williams, C. A. M., and Hendriks, I. E.: Water column oxygenation by Posidonia oceanica seagrass meadows in coastal areas: A modelling approach, Sci. Total Environ., 942, 173805, https://doi.org/10.1016/j.scitotenv.2024.173805, 2024. 
Álvarez-Salgado, X. A. and Miller, A. E. J.: Simultaneous determination of dissolved organic carbon and total dissolved nitrogen in seawater by high temperature catalytic oxidation: Conditions for precise shipboard measurements, Mar. Chem., 62, 325–333, https://doi.org/10.1016/S0304-4203(98)00037-1, 1998. 
Arias, P., Bellouin, N., Coppola, E., Jones, R., Krinner, G., Marotzke, J., Naik, V., Palmer, M., Plattner, G.-K., and Rogelj, J.: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change, Technical Summary, ISBN 9781009157896, https://doi.org/10.1017/9781009157896, 2021. 
Babbin, A. R., Bianchi, D., Jayakumar, A., and Ward, B. B.: Rapid nitrous oxide cycling in the suboxic ocean, Science, 348, 1127–1129, https://doi.org/10.1126/science.aaa8380, 2015. 
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Short summary

Nitrous oxide (N2O), a potent greenhouse gas, is understudied in coastal zones. We present N2O concentrations and air–sea fluxes from the Balearic coast (2018–2023). Concentrations varied slightly across sites, with areas acting as weak sources or being near equilibrium. Temperature was the main driver of seasonal changes. These findings improve our understanding of coastal N2O emissions.

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