Структура Мезопланктонного Сообщества В Области Континентального Склона Желоба Святой Анны (Карское Море)

Флинт, М. В.; Поярков, С. Г.; Тимонин, А. Г.; Соловьев, К. А.

doi:10.7868/s0030157415040061

Cited by 2 publications

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“…Особенности пространственных изменений продукционных показателей фитопланктона на континентальном склоне моря Лаптевых. Арктические и субарктические районы Мирового океана часто отличаются повышенной продуктивностью в области континентального склона, обусловленной апвеллингом богатых биогенами вод на границе шельфа [11,19,26,53]. В конце августа-начале сентября на востоке и западе континентального склона моря Лаптевых также зарегистрировано увеличение значений продукционных показателей фитопланктона (рис.…”

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Spatial variability of primary production and chlorophyll in the Laptev sea in august–september

et al. 2019

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Spatial distribution of phytoplankton primary production and chlorophyll was studied based on the data of three cruises carried out in AugustSeptember of 2015, 2017 and 2018. The average value of water column primary production (IPP) along the transect from Lena`s mouth to the continental slope was 2.8 fold higher than that one along the transect from Khatanga`s mouth, which was explained by the level of incident radiation and nutrients concentration. Along the cross-slope transects increasing of photosynthetically layer integrated chlorophyll (Chlph) occurred due to developing of deep maxima. IPP and Chlph increasing was registered in the vicinity of the continental slope. In AugustSeptember the averaged IPP value was 100 mgC m-2 d-1 that is the evidence of oligotrophy of the Laptev Sea at the end of summer and at the beginning of autumn.

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Section: продолжениеunclassified

Spatial variability of primary production and chlorophyll in the Laptev sea in august–september

et al. 2019

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Water Structure and Carbon Dioxide Flux Over the Laptev Sea Continental Slope and in the Vilkitsky Strait in the Autumn Season

Polukhin,

Kazakova,

Gusak

et al. 2023

Okeanologiâ

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In the frameworks of the program “Ecosystems of the Siberian Arctic seas”, carried out by Shirshov Institute of Oceanology RAS since 2007, studies of the structure of waters, spatial variability of the carbonate system parameters have been performed, and the intensity and direction of the carbon dioxide flux over the continental slope of the Laptev Sea and in the Vilkitsky Strait in September 2018 have been calculated. The presence of several main water masses that determine the structure of waters in the study area is shown. A strong spatial variability of the parameters of the carbonate system of sea waters, determined by the complexes of physical and chemical-biological processes, has been revealed. The intensity and direction of the carbon dioxide flux at the water–atmosphere boundary were calculated, ranging from –12 to +4 mmol m–2 day–1. It was revealed that the investigated area of the outer shelf of the sea and the continental slope of the Laptev Sea is an emitter of carbon dioxide into the atmosphere as of September 2018. The area of the Vilkitsky Strait, on the contrary, is an area of absorption of CO2.

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Структура Мезопланктонного Сообщества В Области Континентального Склона Желоба Святой Анны (Карское Море)

Cited by 2 publications

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Spatial variability of primary production and chlorophyll in the Laptev sea in august–september

Spatial variability of primary production and chlorophyll in the Laptev sea in august–september

Water Structure and Carbon Dioxide Flux Over the Laptev Sea Continental Slope and in the Vilkitsky Strait in the Autumn Season

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