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Influx of Streaming Methane into Anoxic Waters of the Black Sea Basin

Abstract

Based on long-term data on the spatial distribution and fluxes of streaming (bubbling) methane in the Black Sea, the study considers various types of streaming gas emissions contributing to the methane content in the anoxic zone of the Black Sea. The estimate for the annual influx of methane gas emissions to the methane budget in the Black Sea was 1.2 × 109 m3 or 0.9 Tg, which is significantly less than the estimates obtained by biogeochemical methods (2.30–5.65 Tg yr–1).

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Funding

The study was carried out under the state task “Molismological and Biogeochemical Foundations of Homeostasis of Marine Ecosystems,” registration no. AAAAA18-118020890090-2, as well as with financial support from the Russian Foundation for Basic Research, project no. 18-45-920057 р_а, registration no. AAAA-A18-118082090056-4.

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Correspondence to Yu. G. Artemov.

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Translated by Z. Litvinenko

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Artemov, Y.G., Egorov, V.N. & Gulin, S.B. Influx of Streaming Methane into Anoxic Waters of the Black Sea Basin. Oceanology 59, 860–870 (2019). https://doi.org/10.1134/S0001437019060018

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  • DOI: https://doi.org/10.1134/S0001437019060018

Keywords:

  • Black Sea
  • gas bubble streams
  • methane budget