Study of State and Variability of the Japan and Okhotsk Seas in the 77th Cruise of the R/V  Professor Gagarinskiy  and 97th Cruise of the R/V  Akademik M.A. Lavrentyev

V. B. Lobanov; Лобанов В. Б.; E. N. Maryina; Марьина Е. Н.; I. A. Prushkovskaya; Прушковская И. А.; Y. N. Rudykh; Рудых Я. Н.; S. G. Sagalaev; Сагалаев С. Г.; P. Yu. Semkin; Семкин П. Ю.; D. D. Sokolov; Соколов Д. Д.; O. A. Ulanova; Уланова О. А.; M. G. Shvetsova; Швецова М. Г.; E. M. Shkirnikova; Шкирникова Е. М.; K. P. Shcherbakova; Щербакова К. П.; D. S. Makseev; Максеев Д. С.; N. B. Lukyanova; Лукьянова Н. Б.; A. E. Leusov; Леусов А. Э.; A. F. Sergeev; Сергеев А. Ф.; V. A. Goryachev; Горячев В. А.; P. P. Tishchenko; Тищенко П. П.; V. Tsoy; Цой В.; Yu. A. Barabanshchikov; Барабанщиков Ю. А.; D. S. Kalyuzhniy; Калюжный Д. С.; V. A. Krasikov; Красиков В. А.; S. P. Kukla; Кукла С. П.; P. G. Kushnir; Кушнир П. Г.; A. A. Legkodimov; Легкодимов А. А.; A. Yu. Yurtsev; Юрцев А. Ю.

doi:10.31857/S0030157423030097

Study of State and Variability of the Japan and Okhotsk Seas in the 77th Cruise of the R/V Professor Gagarinskiy and 97th Cruise of the R/V Akademik M.A. Lavrentyev

Authors: Lobanov V.B.¹, Maryina E.N.¹, Prushkovskaya I.A.¹, Rudykh Y.N.¹, Sagalaev S.G.¹, Semkin P.Y.¹, Sokolov D.D.¹, Ulanova O.A.¹, Shvetsova M.G.¹, Shkirnikova E.M.¹, Shcherbakova K.P.¹, Makseev D.S.¹, Lukyanova N.B.¹, Leusov A.E.¹, Sergeev A.F.¹, Goryachev V.A.¹, Tishchenko P.P.¹, Tsoy V.¹, Barabanshchikov Y.A.¹, Kalyuzhniy D.S.¹, Krasikov V.A.¹, Kukla S.P.¹, Kushnir P.G.¹, Legkodimov A.A.¹, Yurtsev A.Y.¹
Affiliations:
1. V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch, Russian Academy of Sciences
Issue: Vol 63, No 3 (2023)
Pages: 499-502
Section: Информация
URL: https://journals.eco-vector.com/0030-1574/article/view/657622
DOI: https://doi.org/10.31857/S0030157423030097
EDN: https://elibrary.ru/QDAFAN
ID: 657622

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Abstract

Investigation of interannual and short-term variability of the water parameters in the Japan and Okhotsk seas and their ecological state were continued in the cruises No. 77 of the R/V Professor Gagarinskiy and No. 97 of the R/V Akademik M.A. Lavrentyev in fall-winter season of 2021. CTD profiling and water sampling for chemical analyses including methane and radioisotopes were implemented. A mooring of bottom autonomous station was deployed for 2.5 month. The long-term trend of the bottom water warming, eutrophication and acidification of the Japan Sea have been confirmed. The features of the fall-winter restructuring of the field of currents of the northern part of the Sea of Japan, the multifrontality of the Sakhalin upwelling structure, and the bimodality of the Primorye Current are shown.

Keywords

the Japan Sea, the Okhotsk Sea, interannual variability, seasonal changes, eutrophication, acidification, radioisotopes, methane

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