Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia)
The thawing and subsequent decomposition of large stocks of soil organic carbon (SOC) currently stored in the northern circumpolar permafrost region are projected to result in a ‘positive’ feedback on global warming. The magnitude of this feedback can only be assessed with improved knowledge about t...
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Online Access: | https://lup.lub.lu.se/record/e3a38643-4eea-49fa-8660-9d3e87826bde https://doi.org/10.1007/s13280-020-01433-6 |
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ftulundlup:oai:lup.lub.lu.se:e3a38643-4eea-49fa-8660-9d3e87826bde 2024-05-19T07:46:57+00:00 Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia) Pascual, Didac Kuhry, Peter Raudina, Tatiana 2021 https://lup.lub.lu.se/record/e3a38643-4eea-49fa-8660-9d3e87826bde https://doi.org/10.1007/s13280-020-01433-6 eng eng Springer https://lup.lub.lu.se/record/e3a38643-4eea-49fa-8660-9d3e87826bde http://dx.doi.org/10.1007/s13280-020-01433-6 scopus:85097214624 pmid:33289052 Ambio; 50(11), pp 2022-2037 (2021) ISSN: 0044-7447 Physical Geography Climate Research Central Asia Climate change impacts and feedbacks Mountain permafrost Soil organic carbon contributiontojournal/article info:eu-repo/semantics/article text 2021 ftulundlup https://doi.org/10.1007/s13280-020-01433-6 2024-04-23T23:37:09Z The thawing and subsequent decomposition of large stocks of soil organic carbon (SOC) currently stored in the northern circumpolar permafrost region are projected to result in a ‘positive’ feedback on global warming. The magnitude of this feedback can only be assessed with improved knowledge about the total size and geographic distribution of the permafrost SOC pool. This study investigates SOC storage in an under-sampled mountain permafrost area in the Russian High Altai. SOC stocks from 39 soil pits are upscaled using a GIS-based land cover classification. We found that the top 100 cm of soils in Aktru Valley and the adjacent Kuray Basin only holds on average 2.6 ± 0.6 kg C m−2 (95% confidence interval), of which only c. 1% is stored in permafrost. Global warming will result in an upward shift of alpine life zones, with new plant cover and soil development at higher elevations. As a result, this type of mountain permafrost area might act as a net C sink in the future, representing a ‘negative’ feedback on global warming. Article in Journal/Newspaper permafrost Lund University Publications (LUP) Ambio |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Physical Geography Climate Research Central Asia Climate change impacts and feedbacks Mountain permafrost Soil organic carbon |
spellingShingle |
Physical Geography Climate Research Central Asia Climate change impacts and feedbacks Mountain permafrost Soil organic carbon Pascual, Didac Kuhry, Peter Raudina, Tatiana Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia) |
topic_facet |
Physical Geography Climate Research Central Asia Climate change impacts and feedbacks Mountain permafrost Soil organic carbon |
description |
The thawing and subsequent decomposition of large stocks of soil organic carbon (SOC) currently stored in the northern circumpolar permafrost region are projected to result in a ‘positive’ feedback on global warming. The magnitude of this feedback can only be assessed with improved knowledge about the total size and geographic distribution of the permafrost SOC pool. This study investigates SOC storage in an under-sampled mountain permafrost area in the Russian High Altai. SOC stocks from 39 soil pits are upscaled using a GIS-based land cover classification. We found that the top 100 cm of soils in Aktru Valley and the adjacent Kuray Basin only holds on average 2.6 ± 0.6 kg C m−2 (95% confidence interval), of which only c. 1% is stored in permafrost. Global warming will result in an upward shift of alpine life zones, with new plant cover and soil development at higher elevations. As a result, this type of mountain permafrost area might act as a net C sink in the future, representing a ‘negative’ feedback on global warming. |
format |
Article in Journal/Newspaper |
author |
Pascual, Didac Kuhry, Peter Raudina, Tatiana |
author_facet |
Pascual, Didac Kuhry, Peter Raudina, Tatiana |
author_sort |
Pascual, Didac |
title |
Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia) |
title_short |
Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia) |
title_full |
Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia) |
title_fullStr |
Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia) |
title_full_unstemmed |
Soil organic carbon storage in a mountain permafrost area of Central Asia (High Altai, Russia) |
title_sort |
soil organic carbon storage in a mountain permafrost area of central asia (high altai, russia) |
publisher |
Springer |
publishDate |
2021 |
url |
https://lup.lub.lu.se/record/e3a38643-4eea-49fa-8660-9d3e87826bde https://doi.org/10.1007/s13280-020-01433-6 |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Ambio; 50(11), pp 2022-2037 (2021) ISSN: 0044-7447 |
op_relation |
https://lup.lub.lu.se/record/e3a38643-4eea-49fa-8660-9d3e87826bde http://dx.doi.org/10.1007/s13280-020-01433-6 scopus:85097214624 pmid:33289052 |
op_doi |
https://doi.org/10.1007/s13280-020-01433-6 |
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Ambio |
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1799487210410475520 |