Abstract <p>During cruise 68 of the R/V <i>Akademik Oparin</i>, carried out from August 8 to September 18, 2023, research was continued in the area east of the Kamchatka Peninsula to study the possible factors that caused the mass mortality of marine organisms in fall 2020; study the structure of the East Kamchatka Current, specific features of mesoscale eddies that form here, and hydrochemical features of the Kamchatskiy Bay; research the gas-geochemical processes; assess the environmental conditions in the area of oil and gas exploration on Sakhalin Island shelf; estimate the radionuclide content in the area of the cruise; and carry out marine optics research and hydroacoustic experiments.</p>

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Ecological State and Dynamics of Waters of the East Kamchatka Current Area and Other Locations of the Far Eastern Seas on Cruise 68 of R/V Akademik Oparin

  • V. B. Lobanov,
  • A. F. Sergeev,
  • P. Yu. Semkin,
  • N. B. Lukyanova,
  • I. F. Alekseev,
  • V. A. Goryachev,
  • S. G. Sagalaev,
  • S. P. Zakharkov,
  • N. A. Lipinskaya,
  • A. O. Kholmogorov,
  • K. R. Baigubekov,
  • Yu. A. Barabanshchikov,
  • D. S. Kalyuzhniy,
  • A. S. Kuznetsova,
  • P. G. Kushnir,
  • D. S. Makseev,
  • E. A. Meshcheryakova,
  • N. A. Onishchenko,
  • I. E. Osipov,
  • A. A. Petrova,
  • I. A. Prushkovskaya,
  • V. V. Razzhivin,
  • A. I. Razumov,
  • D. D. Sokolov,
  • O. A. Ulanova,
  • Yu. V. Fedorets,
  • M. S. Fedorov,
  • M. G. Shvetsova,
  • E. M. Shkirnikova

摘要

Abstract

During cruise 68 of the R/V Akademik Oparin, carried out from August 8 to September 18, 2023, research was continued in the area east of the Kamchatka Peninsula to study the possible factors that caused the mass mortality of marine organisms in fall 2020; study the structure of the East Kamchatka Current, specific features of mesoscale eddies that form here, and hydrochemical features of the Kamchatskiy Bay; research the gas-geochemical processes; assess the environmental conditions in the area of oil and gas exploration on Sakhalin Island shelf; estimate the radionuclide content in the area of the cruise; and carry out marine optics research and hydroacoustic experiments.