Modern Benthic Foraminifera off Novaya Zemlya Tidewater Glaciers, Russian Arctic

1998 ◽  
Vol 30 (1) ◽  
pp. 61 ◽  
Author(s):  
Sergei Korsun ◽  
Morten Hald
Keyword(s):  
Benthic Foraminifera ◽  
Russian Arctic ◽  
Tidewater Glaciers ◽  
Novaya Zemlya

Contributions to the lichen flora of the Novaya Zemlya Archipelago (Archangelsk Region, Russian Arctic)

2020 ◽  
Vol 54 (1) ◽  
pp. 117-126
Author(s):  
I. S. Zhdanov
Keyword(s):  
Lichen Species ◽  
Russian Arctic ◽  
Novaya Zemlya Archipelago ◽  
Ecological Preferences ◽  
Novaya Zemlya ◽  
Annotated List ◽  
History Of ◽  
Lichen Flora

The annotated list of 20 lichen species, based on the author’s collection, is presented. Atla wheldonii is new for Russia, and 16 species are new for Novaya Zemlya Archipelago. Morphology and ecological preferences of the lichen species new for the archipelago are discussed. The history of lichenological investigations in Novaya Zemlya is described.

scholarly journals Assessment of initial seismic impacts on the northern part of the Barents Sea shelf (Novaya Zemlya region) for the purpose of seismic microzoning in the areas of prospective hydrocarbon mining

2019 ◽  
pp. 38-47
Author(s):  
I. G. Mindel ◽  
B. A. Trifonov ◽  
M. D. Kaurkin ◽  
V. V. Nesynov
Keyword(s):  
Oil And Gas ◽  
Barents Sea ◽  
Arctic Shelf ◽  
The Arctic ◽  
Russian Arctic ◽  
Seismic Microzoning ◽  
Novaya Zemlya ◽  
The Barents Sea ◽  
National Task ◽  
Seismic Impacts

In recent years, in connection with the national task of developing the Arctic territories of Russia and the perspective increase in the hydrocarbon mining on the Arctic shelf, more attention is being paid to the study of seismicity in the Barents Sea shelf. The development of the Russian Arctic shelf with the prospect of increasing hydrocarbon mining is a strategically important issue. Research by B.A. Assinovskaya (1990, 1994) and Ya.V. Konechnaya (2015) allowed the authors to estimate the seismic effects for the northern part of the Barents Sea shelf (Novaya Zemlya region). The paper presents the assessment results of the initial seismic impacts that can be used to solve seismic microzoning problems in the areas of oil and gas infrastructure during the economic development of the Arctic territory.

Semi volatile organic compounds in the snow of Russian Arctic islands: Archipelago Novaya Zemlya

2018 ◽  
Vol 239 ◽  
pp. 416-427 ◽  
Author(s):  
A.T. Lebedev ◽  
D.M. Mazur ◽  
O.V. Polyakova ◽  
D.S. Kosyakov ◽  
A. Yu Kozhevnikov ◽  
...  
Keyword(s):  
Volatile Organic Compounds ◽  
Organic Compounds ◽  
Russian Arctic ◽  
Novaya Zemlya ◽  
Volatile Organic

The contributions of Karl Ernst von Baer to the investigation of the physical geography of the Arctic in the 1830s–40s

Polar Record ◽  
2002 ◽  
Vol 38 (205) ◽  
pp. 121-140 ◽  
Author(s):  
Erki Tammiksaar
Keyword(s):  
Scientific Literature ◽  
Physical Geography ◽  
The Arctic ◽  
Special Role ◽  
Russian Arctic ◽  
Geographical Society ◽  
Novaya Zemlya ◽  
Arctic Exploration ◽  
The Russian Empire ◽  
Siberian Permafrost

AbstractAlthough more widely known as the founder of modern embryology, Karl Ernst von Baer played a special role in the investigation of the physical geography of the Russian Empire in the nineteenth century. Baer not only conducted his own scientific research in the Arctic, he was also a key supporter and organiser of other Russian expeditions to the far north. Baer carried out the first investigations of the physical geography, flora, and fauna of Novaya Zemlya, and it was due to his work that the first precise data on the climate of the Russian Arctic appeared in the scientific literature in Europe. He can also be considered the founder of geocryology, as he not only wrote the first theoretical survey on Siberian permafrost, but was the initiator and organiser of the first expedition, under the leadership of Alexander Theodor von Middendorff, that was launched with the task of studying that phenomenon in Siberia. Baer was instrumental in the restoration of the tradition of Russian Arctic exploration, which had died out at the end of the eighteenth century; it was at his initiative that the Russian Geographical Society — which later became the leader in Russian Arctic exploration — was founded in 1845.

scholarly journals Lateglacial and early-Holocene environments of Novaya Zemlya and the Kara Sea Region of the Russian Arctic

The Holocene ◽  
1998 ◽  
Vol 8 (3) ◽  
pp. 323-330 ◽  
Author(s):  
Leonid Serebryanny ◽  
Andrei Andreev ◽  
Evgeniya Malyasova ◽  
Pavel Tarasov ◽  
Fedor Romanenko
Keyword(s):  
Kara Sea ◽  
Early Holocene ◽  
Russian Arctic ◽  
Novaya Zemlya

scholarly journals Belugas (Delphinapterus leucas) of the Barents, Kara and Laptev seas

2002 ◽  
Vol 4 ◽  
pp. 149 ◽  
Author(s):  
Andrei N Boltunov ◽  
Stanislav E Belikov
Keyword(s):  
Barents Sea ◽  
Anthropogenic Pollution ◽  
Temporal Variations ◽  
Kara Sea ◽  
Delphinapterus Leucas ◽  
Polar Cod ◽  
Russian Arctic ◽  
Novaya Zemlya Archipelago ◽  
Factors Affecting ◽  
Novaya Zemlya

This paper reviews published information on the white whale or beluga (Delphinapterus leucas) inhabiting the Barents, Kara and Laptev seas. Some data obtained during multi-year aerial reconnaissance of sea ice in the Russian Arctic are also included. Ice conditions, considered one of the major factors affecting distribution of belugas, are described. The number of belugas inhabiting the Russian Arctic is unknown. Based on analysis of published and unpublished information we believe that the primary summer habitats of belugas in the Western Russian Arctic lie in the area of Frants-Josef Land, in the Kara Sea and in the western Laptev Sea. Apparently most belugas winter in the Barents Sea. Although it has been suggested that a considerable number of animals winter in the Kara Sea, there is no direct evidence for this. Apparent migrations of animals are regularly observed at several sites: the straits of the Novaya Zemlya Archipelago, the waters north of the archipelago, and Vilkitskiy Strait between the Kara and Laptev seas. Calving and mating take place in summer, and the beluga mother feeds a calf for at least a year. Females mature earlier than males, and about 30% of mature females in a population are barren. Sex ratio is apparently close to 1:1. The diet of the beluga in the region includes fish and crustaceans and shows considerable spatial and temporal variations. However, polar cod (Boreogadus saida) is the main prey most of the year, and whitefish (Coregonidae) contribute in coastal waters in summer. Usually belugas form groups of up to 10 related individuals of different ages, while large aggregations are common during seasonal migrations or in areas with abundant and easily available food. Beluga whaling in Russia has a history of several centuries. The highest catches were taken in the 1950s and 1960s, when about 1,500 animals were caught annually in the Western Russian Arctic. In the 1990s, few belugas were harvested in the Russian Arctic. In 1999 commercial whaling of belugas in Russia was banned. Belugas can be caught only for research, cultural and educational purposes and for the subsistence needs of local people. With the absence of significant whaling, anthropogenic pollution seems to be the major threat for the species.

Migrated oil on Novaya Zemlya, Russian Arctic: Evidence for a novel petroleum system in the eastern Barents Sea and the Kara Sea

AAPG Bulletin ◽  
2010 ◽  
Vol 94 (6) ◽  
pp. 791-817 ◽  
Author(s):  
Jan Hendrik van Koeverden ◽  
Hans Arne Nakrem ◽  
Dag Arild Karlsen
Keyword(s):  
Barents Sea ◽  
Kara Sea ◽  
Petroleum System ◽  
Russian Arctic ◽  
Novaya Zemlya

Functioning of phytoplankton in the bays of Novaya Zemlya Archipelago, Kara Sea ​​ (Blagopoluchiya Bay) during summer.

2021 ◽  
Author(s):  
Valentina Sergeeva ◽  
Olga Vorobieva
Keyword(s):  
Photosynthetic Activity ◽  
Open Water ◽  
Kara Sea ◽  
Cell Counting ◽  
The Arctic ◽  
Phytoplankton Production ◽  
Russian Arctic ◽  
Novaya Zemlya Archipelago ◽  
Novaya Zemlya ◽  
Glacier Melting

<p>Pronounced changes in the climate system that lead to a significant reduction in sea ice cover and active glacier melting provoke the great interest in ecosystem studies of archipelago bays in the high Arctic. In addition to increasing the duration of the open water period, the glacier melting increases the fresh water discharge from the archipelagos and thereby affects the coastal ecosystems of the Arctic region. There is practically no information about the ecosystems of the archipelago bays of the seas of the Russian Arctic due to the inaccessibility. Within the framework of the program “Investigation of the Russian Arctic ecosystems” in 2007-2020 held by Shirshov Institute of Oceanology, modern comprehensive studies of ecosystems of Novaya Zemlya bays, including phytoplankton (as primary producer of organic matter) were carried out. The most frequent observations were conducted in Blagopoluchiya Bay (North Island of Novaya Zemlya Archipelago), which has several coastal runoffs of glacial origin flow.</p><p>We found that despite the constant enrichment with allochthonous suspended matter and nutrients with runoff from Novaya Zemlya to the Blagopoluchiya Bay there was no increase in phytoplankton production during the summer open water period (Borisenko et al. Thesis EGU21-9528). On the contrary, the quantitative characteristics of phytoplankton in euphotic layer were extremely low: 0.2-0.7 mkgC/l and 0.03 - 0.15 mkgChl/l. Obviously the inclusion of allochthonous nutrients in local production cycles over the sea part of the bay was difficult.</p><p>To clarify the reasons of such low phytoplankton productivity against the background of the enrichment with nutrients of ​​Blagopoluchiya Bay, multifactorial experiments were carried out on the monoculture of the cosmopolitan diatom <em>Thalassiosira nordenskioeldii</em> Cleve, 1873, which is one of the dominant species in the Novaya Zemlya bays. Algae culture was isolated from the phytoplankton community of the Kara Sea and adapted to a salinity of 31 psu, typical for Novaya Zemlya bays. In addition to routine cell counting under microscope we used PAM-fluorometry to control the growth characteristics of algae that makes it possible to observe the photosynthetic activity of algae.</p><p>It was shown that the functioning of algae is greatly influenced by a significant gradients in salinity. When fresh runoff from Novaya Zemlya is mixed with the seawater of the bay, marine planktonic algae experience significant osmostress and immediately settle down and die off. With a slight dilution (up to 29-30 psu) of sea water by freshwater from the archipelago, the algae functioned well and doubled their biomass for 2-3 days. At the same time, we found that the algae were well adapted to a significant range of illumination: 40-200 µE, which apparently allows them to maintain high level of photosynthetic activity under the changing arctic illumination during the Arctic summer at high latitudes.</p><p>This study was performed within the framework of the state assignment of IO RAS, (topic no. 0149-2019-0008) and supported by the Russian Foundation of Basic Research (projects no. 18–05–60069Arctic and 19-04-00322 А).</p>

COSMO-CLM Russian Arctic hindcast 1980 – 2016: experimental design and first evaluation results

2021 ◽  
Author(s):  
Vladimir Platonov ◽  
Mikhail Varentsov
Keyword(s):  
Wind Speed ◽  
Surface Wind ◽  
Western Coast ◽  
Russian Arctic ◽  
Eastern Siberia ◽  
High Wind ◽  
High Wind Speed ◽  
Novaya Zemlya ◽  
Severnaya Zemlya

<p>Detailed long-term hydrometeorological dataset for Russian Arctic seas was created using hydrodynamic modelling via regional nonhydrostatic atmospheric model COSMO-CLM for 1980 – 2016 period with ~12 km grid. Many test experiments with different model options for summertime and wintertime periods were evaluated to determine the best model configuration. Verification has showed that optimal model setup included usage of ERA-Interim reanalysis as forcing data, new model version 5.05 with a so-called ICON-based physics and spectral nudging technique. Final long-term experiments were simulated on the MSU Supercomputer Complex “Lomonosov-2” become more than 120 Tb data volume excluding many side files.</p><p>Primary evaluation of obtained dataset was done for surface wind and temperature variables. There are some mesoscale details in wind sped climatology reproduced by COSMO-CLM dataset including the Svalbard, Severnaya Zemlya islands, and the western coast of the Novaya Zemlya island. At the same time, high wind speed frequencies based on COSMO-CLM data increased compared to ERA-Interim, especially over Barents Sea, Arctic islands (Novaya Zemlya) and some seacoasts and mainland areas. Regional details are manifested in wind speed increase and marked well for large lakes and orography (Taymyr and Kola peninsulas, Eastern Siberia highlands).</p><p>Comparison of two periods (1980 ­­– 1990 and 2010 – 2016) has shown that spatial distributions of high wind speed frequencies are very similar, but there are some detailed differences. Wind speed frequencies above 20.8 m/s has been decreased in the last decade over the Novaya Zemlya, southwest from Svalbard, middle Siberia inlands; however, it has been increased over Franz Josef Land and Severnaya Zemlya.</p><p>Large-scale temperature climatology patterns have shown a good accordance between ERA-Interim and COSMO-CLM datasets. Significant temperature patterns are detailed relief and lakes manifestations, e.g., over Scandinavian mountains, Eastern Siberian and Taymyr highlands, Novaya Zemlya ranges. The added value in the 1% temperature percentile patterns is more pronounced, especially in the mountainous Eastern Siberia. Regional features are prominent over Onega and Ladoga lakes, and western Kara Sea. There is a remarkable warming over islands and Eastern Siberia valleys, and more clear temperature differentiation between ridges and valleys.</p><p>The nearest prospect of the COSMO-CLM Russian Arctic dataset application is its comparison with other appropriate datasets including reanalyses, satellite data, observations, etc. This will provide important and useful information about opportunities and restrictions of this dataset regarding different variables and specific regions, outline the limits of its applicability and get framework of possible tasks. The other important task is to share this dataset with scientific community.</p>

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