Электронная библиотека (репозиторий) Томского государственного университета
Semiletov, Igor P.

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Add   Enhanced transport of dissolved methane from the Chukchi Sea to the Central Arctic
Authors: Ye, Wangwang | Li, Yuhong | Wen, Jianwen | Zhang, Jiexia | Shakhova, Natalia | Liu, Jian | Wu, Man | Semiletov, Igor P. | Zhan, Liyang
Source: Global biogeochemical cycles. 2023. Vol. 37, № 2. P. e2022GB007368 (1-21)
Type: статьи в журналах
Date: 2023
Description: Rising temperatures in the Arctic Ocean can cause considerable changes, such as decreased ice cover and increased water inflow from the Pacific/Atlantic sector, which may alter dissolved methane (CH4) ... More
Add   Active high-frequency acoustic thermometry of frozen water-saturated media
Authors: Yusupov, Vladimir I. | Semiletov, Igor P. | Chernykh, Denis V. | Salomatin, Aleksandr S.
Source: Acoustical physics. 2022. Vol. 68, № 5. P. 459-466
Type: статьи в журналах
Date: 2022
Description: The article discusses promising method of active high-frequency acoustic thermometry, which measures the duration of the backscattering signal of ultrasonic pulses Delta t in the upper layer of water- ... More
Add   Atmospheric CO2 and CH4 fluctuations over the continent-sea interface in the Yenisei River sector of the Kara Sea
Authors: Panov, Alexey | Prokushkin, Anatoly S. | Semiletov, Igor P. | Kübler, Karl | Korets, Mikhail A. | Putilin, Ilya | Urban, Anastasiya | Bondar, Mikhail | Heimann, Martin
Source: Atmosphere. 2022. Vol. 13, № 9. P. 1402 (1-21)
Type: статьи в журналах
Date: 2022
Description: Observations of the atmospheric sources and sinks of carbon dioxide (CO2) and methane (CH4) in the pan-Arctic domain are extremely scarce, limiting our knowledge of carbon turnover in this climaticall ... More
Add   Circum-Arctic release of terrestrial carbon varies between regions and sources
Authors: Martens, Jannik | Wild, Birgit | Semiletov, Igor P. | Dudarev, Oleg V. | Gustafsson, Örjan
Source: Nature communications. 2022. Vol. 13. P. 5858 (1-10)
Type: статьи в журналах
Date: 2022
Description: Arctic change is expected to destabilize terrestrial carbon (terrOC) in soils and permafrost, leading to fluvial release, greenhouse gas emission and climate feedback. However, landscape heterogeneity ... More
Add   Cold-seep carbonates of the Laptev Sea continental slope: Constraints from fluid sources and environment of formation
Authors: Ruban, Alexey | Rudmin, Maxim | Mazurov, Alexey | Chernykh, Denis | Dudarev, Oleg V. | Semiletov, Igor P.
Source: Chemical geology. 2022. Vol. 610. P. 121103 (1-13)
Type: статьи в журналах
Date: 2022
Description: This study presents results of the petrographic, mineralogical, stable isotopes of oxygen and carbon, and trace element investigation of authigenic carbonates collected at newly discovered active cold ... More
Add   East Siberian Sea: Interannual heterogeneity of the suspended particulate matter and its biogeochemical signature
Authors: Dudarev, Oleg V. | Charkin, Alexander | Shakhova, Natalia | Ruban, Alexey | Chernykh, Denis | Vonk, Jorien | Tesi, Tommaso | Martens, Jannik | Pipko, Irina | Pugach, Svetlana | Gershelis, Elena | Leusov, Andrey | Grinko, Andrey | Gustafsson, Örjan | Semiletov, Igor P.
Source: Progress in oceanography. 2022. Vol. 208. P. 102903 (1-19)
Type: статьи в журналах
Date: 2022
Description: The East Siberian Sea (ESS) is the largest, shallowest and most icebound Arctic marginal sea. It receives substantial input of terrigenous material and climate-vulnerable old organic carbon from both ... More
Add   Echo sounding for remote estimation of seabed temperatures on the Arctic Shelf
Authors: Yusupov, Vladimir | Salomatin, Aleksandr | Shakhova, Natalia | Chernykh, Denis | Domaniuk, Anna | Semiletov, Igor P.
Source: Geosciences. 2022. Vol. 12, № 9. P. 315 (1-11)
Type: статьи в журналах
Date: 2022
Description: The East Siberian Arctic Shelf (ESAS) is a key area of CH4 venting in the Arctic Ocean. The ESAS region stores more than 80% of the world’s predicted subsea permafrost and associated permafrost-relate ... More
Add   Ice volumes in permafrost landscapes of Arctic Yakutia
Authors: Fedorov, Alexander N. | Konstantinov, Pavel Y. | Vasiliev, Nikolay F. | Basharin, Nikolay I. | Shepelev, Andrei G. | Andreeva, Varvara A. | Semenov, Valerii P. | Torgovkin, Yaroslav I. | Desyatkin, Alexey R. | Zheleznyak, Mikhail N. | Semiletov, Igor P.
Source: Land. 2022. Vol. 11, № 12. P. 2329 (1-11)
Type: статьи в журналах
Date: 2022
Description: This article is devoted to the study of the distribution of ground ice volumes in the upper layers of 5–10 m permafrost in the permafrost landscapes of Arctic Yakutia. Compilation of such a map will s ... More
Add   In-situ temperatures and thermal properties of the East Siberian Arctic shelf sediments: Key input for understanding the dynamics of subsea permafrost
Authors: Chuvilin, Evgeny | Bukhanov, Boris | Yurchenko, A. | Davletshina, D. | Shakhova, Natalia | Spivak, E. | Rusakov, V. | Dudarev, Oleg V. | Khaustova, N. | Tikhonova, A. | Gustafsson, Örjan | Tesi, Tommaso | Martens, Jannik | Jakobsson, Martin | Spasennykh, M. | Semiletov, Igor P.
Source: Marine and petroleum geology. 2022. Vol. 138. P. 105550 (1-12)
Type: статьи в журналах
Date: 2022
Description: Significant reserves of methane (CH4) are held in the Arctic shelf, but the release of CH4 to the overlying ocean and, subsequently, to the atmosphere has been believed to be restricted by impermeable ... More
Add   Mathematical model of the decomposition of unstable gas hydrate accumulations in the cryolithozone
Authors: Lobkovsky, Leopold I. | Ramazanov, Mukamay M. | Semiletov, Igor P. | Alekseev, Dmitry A.
Source: Geosciences. 2022. Vol. 12, № 9. P. 345 (1-18)
Type: статьи в журналах
Date: 2022
Description: We present a generalization of the mathematical model of gas discharge from frozen rocks containing gas-saturated ice and gas hydrates in a metastable state (due to the self-preservation effect) cause ... More
Add   Molecular-multiproxy assessment of land-derived organic matter degradation over extensive scales of the East Siberian Arctic Shelf seas
Authors: Matsubara, Felipe | Wild, Birgit | Martens, Jannik | Andersson, A. | Wennström, R. | Bröder, L. | Dudarev, Oleg V. | Semiletov, Igor P. | Gustafsson, Örjan
Source: Global biogeochemical cycles. 2022. Vol. 36, № 12. P. e2022GB007428 (1-19)
Type: статьи в журналах
Date: 2022
Description: Global warming triggers permafrost thaw, which increases the release of terrigenous organic matter (terr-OM) to the Arctic Ocean by coastal erosion and rivers. Terrigenous OM degradation in the Arctic ... More
Add   Organic matter composition and greenhouse gas production of thawing subsea permafrost in the Laptev Sea
Authors: Wild, Birgit | Shakhova, Natalia | Dudarev, Oleg V. | Ruban, Alexey | Kosmach, Denis | Tumskoy, Vladimir | Tesi, Tommaso | Grimm, Hanna | Nybom, Inna | Matsubara, Felipe | Alexanderson, Helena | Jakobsson, Martin | Mazurov, Alexey | Semiletov, Igor P. | Gustafsson, Örjan
Source: Nature communications. 2022. Vol. 13. P. 5057 (1-12)
Type: статьи в журналах
Date: 2022
Description: Subsea permafrost represents a large carbon pool that might be or become a significant greenhouse gas source. Scarcity of observational data causes large uncertainties. We here use five 21-56 m long s ... More
Add   Peculiarities of the HVSR method application to seismic records obtained by ocean-bottom seismographs in the Arctic
Authors: Krylov, Artem A. | Kulikov, Mikhail E. | Kovachev, Sergey A. | Medvedev, Igor P. | Lobkovsky, Leopold I. | Semiletov, Igor P.
Source: Applied Sciences. 2022. Vol. 12, № 19. P. 9576 (1-22)
Type: статьи в журналах
Date: 2022
Description: The application of the horizontal-to-vertical spectral ratio (HVSR) modeling and inversion techniques is becoming more and more widespread for assessing the seismic response and velocity model of soil ... More
Add   Spatial patterns and distributional controls of total and methylated mercury off the Lena River in the Laptev Sea sediments
Authors: Liem-Nguyen, Van | Wild, Birgit | Gustafsson, Örjan | Semiletov, Igor P. | Dudarev, Oleg V. | Jonsson, Sofi
Source: Marine chemistry. 2022. Vol. 238. P. 104052 (1-7)
Type: статьи в журналах
Date: 2022
Description: A warmer climate is predicted to accelerate the export of mercury (Hg) from Siberian rivers to the Arctic Ocean, yet there is a dearth of process-oriented studies on the speciation and fate of Hg in t ... More
Add   Landscape, soil, lithology, climate and permafrost control on dissolved carbon, major and trace elements in the Ob River, Western Siberia
Authors: Kolesnichenko, Yuri Y. | Kolesnichenko, Larisa G. | Vorobyev, Sergey N. (биолог) | Shirokova, Liudmila S. | Semiletov, Igor P. | Dudarev, Oleg V. | Vorobev, Rostislav S. | Shavrina, Uliana | Kirpotin, Sergey N. | Pokrovsky, Oleg S.
Source: Water. 2021. Vol. 13, № 22. P. 3189 (1-21)
Type: статьи в журналах
Date: 2021
Description: In order to foresee possible changes in the elementary composition of Arctic river waters, complex studies with extensive spatial coverage, including gradients in climate and landscape parameters, are ... More
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