Lithalsas in the Sentsa River Valley, Eastern Sayan Mountains, Southern Russia
Perennial frost mounds identified as lithalsas occur in the Sentsa River valley of the Eastern Sayan Mountains, Russia. We report the first detailed study of permafrost in this region, based on analysis of the cryostructure and distribution of stable isotopes of oxygen and hydrogen, and ion concentr...
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| Veröffentlicht in: | Permafrost and periglacial processes 2016-07, Vol.27 (3), p.285-296 |
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| creator | Vasil'chuk, Yurij K. Alexeev, Sergey V. Arzhannikov, Sergey G. Alexeeva, Ludmila P. Budantseva, Nadine A. Chizhova, Julia N. Arzhannikova, Anastasia V. Vasil'chuk, Alla C. |
| description | Perennial frost mounds identified as lithalsas occur in the Sentsa River valley of the Eastern Sayan Mountains, Russia. We report the first detailed study of permafrost in this region, based on analysis of the cryostructure and distribution of stable isotopes of oxygen and hydrogen, and ion concentrations from the ice‐rich cores of two lithalsas 3–7 m high. Their main cryostructures are reticulate and lenticular, with visible ice contents exceeding 50–60%. The vertical and lateral distribution of δ18О and δD values show a step‐by‐step mechanism of lithalsa growth: in the first stage a large lithalsa formed, and in the second stage a small lithalsa formed. The more negative isotope values of ice in the large lithalsa ice probably resulted from gradual release of isotopically depleted water from the central to peripheral part of the massif during ice segregation in water‐saturated fine‐grained lake sediments. Minor variations of isotope values suggest intensive recharge of lake‐fen and meteoric water supply during freezing and lithalsa growth. Copyright © 2015 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/ppp.1876 |
| format | Article |
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We report the first detailed study of permafrost in this region, based on analysis of the cryostructure and distribution of stable isotopes of oxygen and hydrogen, and ion concentrations from the ice‐rich cores of two lithalsas 3–7 m high. Their main cryostructures are reticulate and lenticular, with visible ice contents exceeding 50–60%. The vertical and lateral distribution of δ18О and δD values show a step‐by‐step mechanism of lithalsa growth: in the first stage a large lithalsa formed, and in the second stage a small lithalsa formed. The more negative isotope values of ice in the large lithalsa ice probably resulted from gradual release of isotopically depleted water from the central to peripheral part of the massif during ice segregation in water‐saturated fine‐grained lake sediments. Minor variations of isotope values suggest intensive recharge of lake‐fen and meteoric water supply during freezing and lithalsa growth. Copyright © 2015 John Wiley & Sons, Ltd.</description><identifier>ISSN: 1045-6740</identifier><identifier>EISSN: 1099-1530</identifier><identifier>DOI: 10.1002/ppp.1876</identifier><identifier>CODEN: PEPPED</identifier><language>eng</language><publisher>Chichester: Blackwell Publishing Ltd</publisher><subject>cryogenic structure ; Eastern Sayan ; Freezing ; Freshwater ; Ice ; ion concentrations ; Lake sediments ; Lakes ; lithalsa ; Meteoric water ; Mounds ; Mountains ; Oxygen isotopes ; Permafrost ; Rivers ; Sentsa River ; Stable isotopes ; stable isotopes, ion concentrations ; Water supply</subject><ispartof>Permafrost and periglacial processes, 2016-07, Vol.27 (3), p.285-296</ispartof><rights>Copyright © 2015 John Wiley & Sons, Ltd.</rights><rights>Copyright © 2016 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a3876-4c439427b5b880b1b6ea1167164603963e4bf8a3ed2d4b2182214f9191002d183</citedby><cites>FETCH-LOGICAL-a3876-4c439427b5b880b1b6ea1167164603963e4bf8a3ed2d4b2182214f9191002d183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fppp.1876$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fppp.1876$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Vasil'chuk, Yurij K.</creatorcontrib><creatorcontrib>Alexeev, Sergey V.</creatorcontrib><creatorcontrib>Arzhannikov, Sergey G.</creatorcontrib><creatorcontrib>Alexeeva, Ludmila P.</creatorcontrib><creatorcontrib>Budantseva, Nadine A.</creatorcontrib><creatorcontrib>Chizhova, Julia N.</creatorcontrib><creatorcontrib>Arzhannikova, Anastasia V.</creatorcontrib><creatorcontrib>Vasil'chuk, Alla C.</creatorcontrib><title>Lithalsas in the Sentsa River Valley, Eastern Sayan Mountains, Southern Russia</title><title>Permafrost and periglacial processes</title><addtitle>Permafrost and Periglac. Process</addtitle><description>Perennial frost mounds identified as lithalsas occur in the Sentsa River valley of the Eastern Sayan Mountains, Russia. We report the first detailed study of permafrost in this region, based on analysis of the cryostructure and distribution of stable isotopes of oxygen and hydrogen, and ion concentrations from the ice‐rich cores of two lithalsas 3–7 m high. Their main cryostructures are reticulate and lenticular, with visible ice contents exceeding 50–60%. The vertical and lateral distribution of δ18О and δD values show a step‐by‐step mechanism of lithalsa growth: in the first stage a large lithalsa formed, and in the second stage a small lithalsa formed. The more negative isotope values of ice in the large lithalsa ice probably resulted from gradual release of isotopically depleted water from the central to peripheral part of the massif during ice segregation in water‐saturated fine‐grained lake sediments. Minor variations of isotope values suggest intensive recharge of lake‐fen and meteoric water supply during freezing and lithalsa growth. Copyright © 2015 John Wiley & Sons, Ltd.</description><subject>cryogenic structure</subject><subject>Eastern Sayan</subject><subject>Freezing</subject><subject>Freshwater</subject><subject>Ice</subject><subject>ion concentrations</subject><subject>Lake sediments</subject><subject>Lakes</subject><subject>lithalsa</subject><subject>Meteoric water</subject><subject>Mounds</subject><subject>Mountains</subject><subject>Oxygen isotopes</subject><subject>Permafrost</subject><subject>Rivers</subject><subject>Sentsa River</subject><subject>Stable isotopes</subject><subject>stable isotopes, ion concentrations</subject><subject>Water supply</subject><issn>1045-6740</issn><issn>1099-1530</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp1kF9LwzAUxYsoOKfgRwj44sM6c5s0TR9V5ibMuT_qfAvplrLMrq1Jq-7bmzJRFHy6F-7vnnvu8bxTwF3AOLgoy7ILPGJ7XgtwHPsQErzf9DT0WUTxoXdk7RpjzAnQljca6molMyst0jmqVgrNVF5Ziab6TRn0JLNMbTuoJ22lTI5mcitzdFfUeSV1bjtoVtRuyU2mtbVaHnsHqVNTJ1-17T3e9B6uB_7wvn97fTn0JXHefLqgJKZBlIQJ5ziBhCkJwCJglGESM6JoknJJ1DJY0iQAHgRA0xji5sUlcNL2zne6pSlea2UrsdF2obJM5qqorXAbUYx5AMyhZ3_QdVGb3LlzFDAOnBH6I7gwhbVGpaI0eiPNVgAWzVXhghVNsA71d-i7dtn8y4nxePyb1y7Dj29emhfBIhKFYj7qi8EknrPp1bOYkE8LA4YH</recordid><startdate>201607</startdate><enddate>201607</enddate><creator>Vasil'chuk, Yurij K.</creator><creator>Alexeev, Sergey V.</creator><creator>Arzhannikov, Sergey G.</creator><creator>Alexeeva, Ludmila P.</creator><creator>Budantseva, Nadine A.</creator><creator>Chizhova, Julia N.</creator><creator>Arzhannikova, Anastasia V.</creator><creator>Vasil'chuk, Alla C.</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope></search><sort><creationdate>201607</creationdate><title>Lithalsas in the Sentsa River Valley, Eastern Sayan Mountains, Southern Russia</title><author>Vasil'chuk, Yurij K. ; Alexeev, Sergey V. ; Arzhannikov, Sergey G. ; Alexeeva, Ludmila P. ; Budantseva, Nadine A. ; Chizhova, Julia N. ; Arzhannikova, Anastasia V. ; Vasil'chuk, Alla C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a3876-4c439427b5b880b1b6ea1167164603963e4bf8a3ed2d4b2182214f9191002d183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>cryogenic structure</topic><topic>Eastern Sayan</topic><topic>Freezing</topic><topic>Freshwater</topic><topic>Ice</topic><topic>ion concentrations</topic><topic>Lake sediments</topic><topic>Lakes</topic><topic>lithalsa</topic><topic>Meteoric water</topic><topic>Mounds</topic><topic>Mountains</topic><topic>Oxygen isotopes</topic><topic>Permafrost</topic><topic>Rivers</topic><topic>Sentsa River</topic><topic>Stable isotopes</topic><topic>stable isotopes, ion concentrations</topic><topic>Water supply</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vasil'chuk, Yurij K.</creatorcontrib><creatorcontrib>Alexeev, Sergey V.</creatorcontrib><creatorcontrib>Arzhannikov, Sergey G.</creatorcontrib><creatorcontrib>Alexeeva, Ludmila P.</creatorcontrib><creatorcontrib>Budantseva, Nadine A.</creatorcontrib><creatorcontrib>Chizhova, Julia N.</creatorcontrib><creatorcontrib>Arzhannikova, Anastasia V.</creatorcontrib><creatorcontrib>Vasil'chuk, Alla C.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Permafrost and periglacial processes</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vasil'chuk, Yurij K.</au><au>Alexeev, Sergey V.</au><au>Arzhannikov, Sergey G.</au><au>Alexeeva, Ludmila P.</au><au>Budantseva, Nadine A.</au><au>Chizhova, Julia N.</au><au>Arzhannikova, Anastasia V.</au><au>Vasil'chuk, Alla C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lithalsas in the Sentsa River Valley, Eastern Sayan Mountains, Southern Russia</atitle><jtitle>Permafrost and periglacial processes</jtitle><addtitle>Permafrost and Periglac. 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The more negative isotope values of ice in the large lithalsa ice probably resulted from gradual release of isotopically depleted water from the central to peripheral part of the massif during ice segregation in water‐saturated fine‐grained lake sediments. Minor variations of isotope values suggest intensive recharge of lake‐fen and meteoric water supply during freezing and lithalsa growth. Copyright © 2015 John Wiley & Sons, Ltd.</abstract><cop>Chichester</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/ppp.1876</doi><tpages>12</tpages></addata></record> |
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| subjects | cryogenic structure Eastern Sayan Freezing Freshwater Ice ion concentrations Lake sediments Lakes lithalsa Meteoric water Mounds Mountains Oxygen isotopes Permafrost Rivers Sentsa River Stable isotopes stable isotopes, ion concentrations Water supply |
| title | Lithalsas in the Sentsa River Valley, Eastern Sayan Mountains, Southern Russia |
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