Carbon dioxide release from retrogressive thaw slumps in Siberia
<jats:title>Abstract</jats:title> <jats:p>Thawing of ice-rich permafrost soils in sloped terrain can lead to activation of retrogressive thaw slumps (RTSs) which make organic matter available for decomposition that has been frozen for centuries to millennia. Recent studies show tha...
Published in: | Environmental Research Letters |
---|---|
Main Authors: | , , , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
Institute of Physics Publishing
2023
|
Subjects: | |
Online Access: | https://epic.awi.de/id/eprint/58218/ https://epic.awi.de/id/eprint/58218/1/Beer_et_al_2023_ERL.pdf https://doi.org/10.1088/1748-9326/acfdbb https://hdl.handle.net/10013/epic.51eb864e-9599-488a-9556-308c8b791351 |
id |
ftawi:oai:epic.awi.de:58218 |
---|---|
record_format |
openpolar |
spelling |
ftawi:oai:epic.awi.de:58218 2024-02-11T10:01:16+01:00 Carbon dioxide release from retrogressive thaw slumps in Siberia Beer, C Runge, A Grosse, G Hugelius, G Knoblauch, C 2023-10-01 application/pdf https://epic.awi.de/id/eprint/58218/ https://epic.awi.de/id/eprint/58218/1/Beer_et_al_2023_ERL.pdf https://doi.org/10.1088/1748-9326/acfdbb https://hdl.handle.net/10013/epic.51eb864e-9599-488a-9556-308c8b791351 unknown Institute of Physics Publishing https://epic.awi.de/id/eprint/58218/1/Beer_et_al_2023_ERL.pdf Beer, C. , Runge, A. , Grosse, G. orcid:0000-0001-5895-2141 , Hugelius, G. and Knoblauch, C. (2023) Carbon dioxide release from retrogressive thaw slumps in Siberia , Environmental Research Letters, 18 (10), p. 104053 . doi:10.1088/1748-9326/acfdbb <https://doi.org/10.1088/1748-9326%2Facfdbb> , hdl:10013/epic.51eb864e-9599-488a-9556-308c8b791351 EPIC3Environmental Research Letters, Institute of Physics Publishing, 18(10), pp. 104053-104053, ISSN: 1748-9326 Article isiRev 2023 ftawi https://doi.org/10.1088/1748-9326/acfdbb 2024-01-22T00:23:15Z <jats:title>Abstract</jats:title> <jats:p>Thawing of ice-rich permafrost soils in sloped terrain can lead to activation of retrogressive thaw slumps (RTSs) which make organic matter available for decomposition that has been frozen for centuries to millennia. Recent studies show that the area affected by RTSs increased in the last two decades across the pan-Arctic. Combining a model of soil carbon dynamics with remotely sensed spatial details of thaw slump area and a soil carbon database, we show that RTSs in Siberia turned a previous quasi-neutral ecosystem into a strong source of carbon dioxide of 367 ± 213 gC m-1 a-1. On a global scale, recent CO<jats:sub>2</jats:sub> emissions from Siberian thaw slumps of 0.42 ± 0.22 Tg carbon per year are negligible so far. However, depending on the future evolution of permafrost thaw and hence thaw slump-affected area, such hillslope processes can transition permafrost landscapes to become a major source of additional CO<jats:sub>2</jats:sub> release into the atmosphere.</jats:p> Article in Journal/Newspaper Arctic Ice permafrost Siberia Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Arctic Environmental Research Letters 18 10 104053 |
institution |
Open Polar |
collection |
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
<jats:title>Abstract</jats:title> <jats:p>Thawing of ice-rich permafrost soils in sloped terrain can lead to activation of retrogressive thaw slumps (RTSs) which make organic matter available for decomposition that has been frozen for centuries to millennia. Recent studies show that the area affected by RTSs increased in the last two decades across the pan-Arctic. Combining a model of soil carbon dynamics with remotely sensed spatial details of thaw slump area and a soil carbon database, we show that RTSs in Siberia turned a previous quasi-neutral ecosystem into a strong source of carbon dioxide of 367 ± 213 gC m-1 a-1. On a global scale, recent CO<jats:sub>2</jats:sub> emissions from Siberian thaw slumps of 0.42 ± 0.22 Tg carbon per year are negligible so far. However, depending on the future evolution of permafrost thaw and hence thaw slump-affected area, such hillslope processes can transition permafrost landscapes to become a major source of additional CO<jats:sub>2</jats:sub> release into the atmosphere.</jats:p> |
format |
Article in Journal/Newspaper |
author |
Beer, C Runge, A Grosse, G Hugelius, G Knoblauch, C |
spellingShingle |
Beer, C Runge, A Grosse, G Hugelius, G Knoblauch, C Carbon dioxide release from retrogressive thaw slumps in Siberia |
author_facet |
Beer, C Runge, A Grosse, G Hugelius, G Knoblauch, C |
author_sort |
Beer, C |
title |
Carbon dioxide release from retrogressive thaw slumps in Siberia |
title_short |
Carbon dioxide release from retrogressive thaw slumps in Siberia |
title_full |
Carbon dioxide release from retrogressive thaw slumps in Siberia |
title_fullStr |
Carbon dioxide release from retrogressive thaw slumps in Siberia |
title_full_unstemmed |
Carbon dioxide release from retrogressive thaw slumps in Siberia |
title_sort |
carbon dioxide release from retrogressive thaw slumps in siberia |
publisher |
Institute of Physics Publishing |
publishDate |
2023 |
url |
https://epic.awi.de/id/eprint/58218/ https://epic.awi.de/id/eprint/58218/1/Beer_et_al_2023_ERL.pdf https://doi.org/10.1088/1748-9326/acfdbb https://hdl.handle.net/10013/epic.51eb864e-9599-488a-9556-308c8b791351 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Ice permafrost Siberia |
genre_facet |
Arctic Ice permafrost Siberia |
op_source |
EPIC3Environmental Research Letters, Institute of Physics Publishing, 18(10), pp. 104053-104053, ISSN: 1748-9326 |
op_relation |
https://epic.awi.de/id/eprint/58218/1/Beer_et_al_2023_ERL.pdf Beer, C. , Runge, A. , Grosse, G. orcid:0000-0001-5895-2141 , Hugelius, G. and Knoblauch, C. (2023) Carbon dioxide release from retrogressive thaw slumps in Siberia , Environmental Research Letters, 18 (10), p. 104053 . doi:10.1088/1748-9326/acfdbb <https://doi.org/10.1088/1748-9326%2Facfdbb> , hdl:10013/epic.51eb864e-9599-488a-9556-308c8b791351 |
op_doi |
https://doi.org/10.1088/1748-9326/acfdbb |
container_title |
Environmental Research Letters |
container_volume |
18 |
container_issue |
10 |
container_start_page |
104053 |
_version_ |
1790597061880578048 |