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Cruise 89 (First Leg) of the R/V Akademik Mstislav Keldysh: Climate Experiment in Interaction with the Tu-134 Optik Flying Laboratory

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Abstract

A unique climate experiment was carried out to study the composition of air and characteristics of the underlying surface in the Russian sector of the Arctic and Siberia. Synchronized research on board the R/V Akademik Mstislav Keldysh and the unique scientific facility (USF) the Tu-134 Optik flying laboratory were carried out in the South Kara Sea. The airborne and spaceborne optical satellite algorithms were validated to retrieve the sea surface characteristics during the cruise. For the first time on the Arctic shelf, data on methane concentration in the natural troposphere–near-surface atmosphere over sea–water column–bottom sediments system was obtained. Greenhouse gases fluxes were estimated simultaneously from the shelf area and adjacent land. Related research on recent and ancient sedimentation conditions and processes was carried out in the South Kara sedimentary basin, where huge oil and natural gas reserves are located.

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ACKNOWLEDGMENTS

The authors gratefully acknowledge to the Corresponding Member of the RAS A.V. Sokov and Full member of the RAS M.V. Flint for their continued support of the climate experiment; A.I. Skorokhod for assistance in atmospheric gas-chemical measurements; Captain Yu.N. Gorbach and the crew of the R/V Akademik Mstislav Keldysh; and the research team for their contribution and practical assistance.

Funding

The cruise was organized by the Shirshov Institute of Oceanology RAS with the support from the state budget—targeted financing of marine expeditions of the Ministry of Science and Higher Education of the Russian Federation. The study was carried out within the project of the Ministry of Higher Education and Science of the Russian Federation “Research of Anthropogenic and Natural Factors… using the USF Tu-134 Optik flying laboratory (agreement no. 075-15-2021-934 of September 28, 2021). The research was partly carried out within a state assignment (subject no. FMWE-2021-0006).

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Authors and Affiliations

  1. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia

    M. D. Kravchishina, A. A. Klyuvitkin, A. N. Novigatsky, D. I. Glukhovets & V. P. Shevchenko

  2. Zuev Institute of Atmospheric Optics, Russian Academy of Science, Siberian Branch, Tomsk, Russia

    B. D. Belan

Authors
  1. M. D. Kravchishina
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  2. A. A. Klyuvitkin
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  3. A. N. Novigatsky
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  4. D. I. Glukhovets
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  5. V. P. Shevchenko
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  6. B. D. Belan
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Corresponding author

Correspondence to M. D. Kravchishina.

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Kravchishina, M.D., Klyuvitkin, A.A., Novigatsky, A.N. et al. Cruise 89 (First Leg) of the R/V Akademik Mstislav Keldysh: Climate Experiment in Interaction with the Tu-134 Optik Flying Laboratory. Oceanology 63, 428–431 (2023). https://doi.org/10.1134/S0001437023030074

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  • DOI: https://doi.org/10.1134/S0001437023030074

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