Vasil'chuk, Yurij K; Vasil'chuk, Alla Constantinovna; Budantseva, Nadine A (2023): Cryostratigraphy, Radiocarbon dates of surrounding sediments, Stable isotope values for Holocene ice wedges and modern ice veinlets of the northwestern Siberia [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.962304
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Abstract:
Stable isotope composition of ice wedges has been widely used for reconstruction winter climatic conditions in the Arctic regions. In this study, stable isotope composition of Holocene syngenetic ice wedges and modern ice veinlets of northwestern Siberia is investigated. Radiocarbon dating of enclosing sediments and organic material data obtained for ice wedges, demonstrate that ice wedges grew constantly within the study area during the Holocene though early–mid-Holocene in northwestern Siberia is often considered as a thermal optimum. Many proxy records indicate an increase of summer air temperatures followed by thermokarst activity, peatland formation, and northward advance of the treeline. According to our data, winter climate conditions in terms of mean air temperature of the coldest winter month (January) did not change significantly during the key Holocene stages, and during the Greenlandian and most of the Northgrippian stages (between 11.4 and 6 cal ka BP) mean January air temperature (TmJ) varied between –21 and –30℃, and from the end of the Northgrippian, during the Meghalayan stages of Holocene (5.2–0.9 cal ka BP), TmJ varied between –24 to –28℃. Mean January air temperature during the Holocene was generally 1–2℃ lower than the modern one, meanwhile the submeridional direction of TmJ isotherms and eastward decrease of TmJ values in Holocene are similar to the modern pattern.
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Vasil'chuk, Yurij K; Vasil'chuk, Alla Constantinovna; Budantseva, Nadine A (2023): Holocene January paleotemperature of northwestern Siberia reconstructed based on stable isotope ratio of ice wedges. Permafrost and Periglacial Processes, 34(1), 142-165, https://doi.org/10.1002/ppp.2177
References:
Baranskaya, Alisa V; Romanenko, Fedor A; Arslanov, H A; Maksimov, F E; Starikova, A A; Pushina, Z (2018): Perennially frozen deposits of Bely island: stratigraphy, age, depositional environments. Earth's Cryosphere (Kriosfera Zemli), Earth's Cryosphere, (2), 3-15, https://doi.org/10.21782/KZ1560-7496-2018-2(3-15)
Oblogov, G E (2016): Evolution of permafrost of the Kara Sea coast and shelf in Late Pleistocene and Holocene [in Russian]. PhD Thesis, 144 p.
Romanenko, Fedor A; Voskresenskiy, K S; Tarasov, Pavel E; Andreev, Andrei A; Nikolaev, Vladimir I; Sulerzhitskiy, L D (2001): The relief and loose sediments forming features on the Western Yamal and Baydaratskaya Bay coast (Kara Sea). In: Solomatin VI, ed. Problems of general and applied geoecology of the north [in Russian]. In: Solomatin VI (Ed.), Problems of general and applied geoecology of the north. Moscow: MSU Publishing, 41-68
Streletskaya, Irina D; Vasiliev, Alexander A; Slagoda, Elena A; Opokina, Olga L; Oblogov, G E (2012): Polygonal ground-ice wedges on the Sibiryakov Island (the Kara Sea) [in Russian]. Vestnik Mosk Univ Series 5 Geography (Moscow University Geography Bulletin), 3, 57-63
Tikhonravova, Yana; Slagoda, Elena A; Butakov, Vladislav; Koroleva, Ekaterina; Simonova, Galina; Sysolyatin, Robert (2022): Isotopic composition of heterogeneous ice wedges in peatlands of the Pur‐Taz interfluve (northern West Siberia). Permafrost and Periglacial Processes, 33(2), 114-128, https://doi.org/10.1002/ppp.2138
Funding:
Coverage:
Median Latitude: 69.871351 * Median Longitude: 72.818091 * South-bound Latitude: 67.142356 * West-bound Longitude: 66.850000 * North-bound Latitude: 72.023753 * East-bound Longitude: 84.408633
Comment:
Data was submitted and proofread by Yurij K Vasil'chuk and Lyubov Bludushkina at the faculty of Geography, department of Geochemistry of Landscapes and Geography of Soils, Lomonosov Moscow State University.
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
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5 datasets
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Datasets listed in this bundled publication
- Vasil'chuk, YK; Vasil'chuk, AC; Budantseva, NA (2023): Cryostratigraphy of exposures with ice wedges studied in the northwestern Siberia. https://doi.org/10.1594/PANGAEA.962276
- Vasil'chuk, YK; Vasil'chuk, AC; Budantseva, NA (2023): Radiocarbon dates of enclosing sediments for ice wedges (IW) sites studied in the northwestern Siberia. https://doi.org/10.1594/PANGAEA.962299
- Vasil'chuk, YK; Vasil'chuk, AC; Budantseva, NA (2023): Stable isotope (δ18О, δ2H and dexc) minimum, mean and maximum values for Holocene ice wedges and modern ice veinlets of the northwestern Siberia. https://doi.org/10.1594/PANGAEA.962300
- Vasil'chuk, YK; Vasil'chuk, AC; Budantseva, NA (2023): Mean January air temperature in the northwestern Siberia for three periods recorded at weather stations. https://doi.org/10.1594/PANGAEA.962302
- Vasil'chuk, YK; Vasil'chuk, AC; Budantseva, NA (2023): Available 14C dates and mean δ18О values of ice wedges in the northwestern Siberia. https://doi.org/10.1594/PANGAEA.962303