Marine nitrogen fixation as a possible source of atmospheric water-soluble organic nitrogen aerosols in the subtropical North Pacific

Abstract ± - 3 ∘  E along 23∘  N, defined as the eastern North Pacific (ENP), was significantly higher than that (2.4 ± - 3 ∘  E, defined as the western North Pacific (WNP). Analysis of the stable carbon isotope ratio of water-soluble organic carbon (WSOC; δ 13 WSOC) together with backward trajectory indicated that most of the observed WSON in the fine particles in the ENP originated from the ocean surface. We found positive relations among nitrogen-fixation rate, dissolved organic nitrogen (DON) in SSW, and the WSON concentrations. The result suggests that reactive nitrogen (DON and ammonium), produced and exuded by nitrogen-fixing microorganisms in SSW, contributed to the formation of WSON aerosols. This study provides new insights into the role of ocean-derived reactive nitrogen aerosols associated with marine microbial activity.

Object Details

• Location: Deutsche Nationalbibliothek Frankfurt am Main
• Extent: Online-Ressource
• Language: Englisch

References and Relationships

• Bibliographic citation: Marine nitrogen fixation as a possible source of atmospheric water-soluble organic nitrogen aerosols in the subtropical North Pacific ; volume:20 ; number:2 ; year:2023 ; pages:439-449 ; extent:11 ; Biogeosciences ; 20, Heft 2 (2023), 439-449 (gesamt 11)

Contributors, Places and Time

• Creator: Dobashi, Tsukasa ; Miyazaki, Yuzo ; Tachibana, Eri ; Takahashi, Kazutaka ; Horii, Sachiko ; Hashihama, Fuminori ; Yasui-Tamura, Saori ; Iwamoto, Yoko ; Wong, Shu-Kuan ; Hamasaki, Koji

Further information

• DOI: 10.5194/bg-20-439-2023
• URN: urn:nbn:de:101:1-2023033007574136870664
• Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Last update: 14.08.2025, 10:58 AM CEST