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Elizaveta Agafonova, Ekaterina Novichkova, Alexander Novigatsky, Marina Kravchishina, Alexey Klyuvitkin and Anton Bulokhov
This paper presents the diatom and palynomorph data from a sediment trap deployed in the northern part of the East Barents Sea for an annual cycle from August 2017 to August 2018. The average monthly fluxes of diatoms and dinoflagellate cysts in the phot...
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Denis Chernykh, Natalia Shakhova, Vladimir Yusupov, Elena Gershelis, Boris Morgunov and Igor Semiletov
This paper presents the results of an acoustic survey carried out from the fast ice in the shallow waters of the East Siberian Arctic Shelf (ESAS) using a single beam echosounder. The aim of this paper is to demonstrate an improved approach to study seaf...
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Irina Pipko, Svetlana Pugach, Igor Semiletov and Oleg Konstantinov
The East Siberian Sea (ESS) is a large and the shallowest part of the Arctic Ocean. It is characterized by high biogeochemical activity, but the seawater carbonate system remains understudied, especially during the late autumn season. Data from the resea...
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Michael A. Pointon, Helen Smyth, Jenny E. Omma, Andrew C. Morton, Simon Schneider, Peter Hülse, Stephen J. Rippington, Berta Lopez-Mir, Quentin G. Crowley, Ian Millar, Martin J. Whitehouse, Dirk Frei, Robert A. Scott and Michael J. Flowerdew
A multi-proxy provenance study of Late Carboniferous to Middle Jurassic sandstones from the eastern Sverdrup Basin was undertaken employing optical petrography and heavy mineral analysis, chemical analysis of apatite, garnet and rutile grains, as well as...
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Alexander I. Kopylov, Dmitriy B. Kosolapov, Anna V. Romanenko, Elena A. Zabotkina and Andrey F. Sazhin
The structure and productivity of planktonic microbial communities in the ecosystems of the Siberian Arctic seas are significantly dependent on freshwater input. During the study, we determined the spatial distribution of the abundance, biomass, and prod...
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Artem A. Krylov, Mikhail A. Novikov, Sergey A. Kovachev, Konstantin A. Roginskiy, Dmitry A. Ilinsky, Oleg Yu. Ganzha, Vladimir N. Ivanov, Georgy K. Timashkevich, Olga S. Samylina, Leopold I. Lobkovsky and Igor P. Semiletov
This paper is devoted to the features of seismological observations in the Arctic seas, which are complicated by harsh climatic conditions, the presence of ice cover, stamukhi and icebergs, and limited navigation. Despite the high risk of losing expensiv...
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Elena Kudryavtseva, Marina Kravchishina, Larisa Pautova, Igor Rusanov, Dmitry Glukhovets, Alexander Shchuka, Ivan Zamyatin, Nadezhda Torgunova, Anna Chultsova, Nadezhda Politova and Alexander Savvichev
The seasonally ice-covered marine region of the European Arctic has experienced warming and sea ice loss in the last two decades. During expeditions in August 2020 and 2021, new data on size-fractioned primary production (PP), chlorophyll a concentration...
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Alexander Ulyantsev, Natalya Polyakova, Ivan Trukhin, Yulia Parotkina, Oleg Dudarev and Igor Semiletov
This paper emphasises an ionic composition of the pore water of bottom sediments and subsea permafrost as an indicator of salinization of the thawed strata. Based on measurements of concentration of sodium (Na+), potassium (K+), calcium (Ca2+), and magne...
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Xiaoxia Cai, Yanpei Zhuang, Hongliang Li, Jing Xu, Haiyan Jin and Jianfang Chen
Optical properties of colored dissolved organic matter (CDOM) were investigated along a latitudinal transect (67°?77° N) in upper water (<80 m depth) of the western Arctic Ocean. The absorption coefficient at 280 nm was 0.48?1.25 m-1, with the average fo...
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Lihong Zhao, Tao Zhang, Zilong Ling, Mujie Li, Pengyao Zhi, Renwei Ding and Chaoyang Li
To understand the tectonic?magmatic history, crustal structure and crustal accretion mode of the Eurasian Basin in the Arctic, we calculated the crustal thickness, residual bathymetry (RB) and non-isostatic topography of the Eurasian Basin by using the l...
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