Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017)
Permafrost around the Arctic is warming and thawing. We report data from the high arctic research site Bayelva (78.551N; 11.571E) located close to Ny-Alesund. Data on meteorology, energy balance components and subsur- face observations have been made for the last 20 years (1998-2017; Boike et al. 20...
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ftawi:oai:epic.awi.de:48090 2023-05-15T13:03:10+02:00 Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) Boike, Julia Ebenhoch, Sabrina Höfle, Bernhard Westermann, Sebastian Maturilli, Marion Stern, Lielle Juszak, Inge Roth, Kurt 2018 application/pdf https://epic.awi.de/id/eprint/48090/ https://epic.awi.de/id/eprint/48090/1/05042018v06.pdf https://meetingorganizer.copernicus.org/EGU2018/EGU2018-8225.pdf https://hdl.handle.net/10013/epic.0ad3545c-df5c-489a-bb63-edc946972fe3 https://hdl.handle.net/ unknown EGU https://epic.awi.de/id/eprint/48090/1/05042018v06.pdf https://hdl.handle.net/ Boike, J. orcid:0000-0002-5875-2112 , Ebenhoch, S. , Höfle, B. , Westermann, S. , Maturilli, M. orcid:0000-0001-6818-7383 , Stern, L. , Juszak, I. orcid:0000-0002-5748-8102 and Roth, K. (2018) Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) , EGU General Assembly 2018, Vienna, Austria, 8 April 2018 - 13 April 2018 . hdl:10013/epic.0ad3545c-df5c-489a-bb63-edc946972fe3 EPIC3EGU General Assembly 2018, Vienna, Austria, 2018-04-08-2018-04-13Vienna, Austria, EGU Conference notRev 2018 ftawi 2021-12-24T15:44:11Z Permafrost around the Arctic is warming and thawing. We report data from the high arctic research site Bayelva (78.551N; 11.571E) located close to Ny-Alesund. Data on meteorology, energy balance components and subsur- face observations have been made for the last 20 years (1998-2017; Boike et al. 2017). This study site is underlain by permafrost with current mean permafrost temperature of -2.8◦C and is seasonally snow-covered from October to May. Mean annual, summer and winter soil temperature data at all depths have beenrising over the period of record with a warming trend of 0.18±0.07◦C/year in active layer and top of permafrost. However, interannual to sub-decadal variability is evident in the data and results mostly from differences of theclimate during the winter months. The modeled active layer thickness using the Stefan equation has increasedcontinuously from about 1m in 1998 and is estimated to have surpassed 2 m in 2016. The data show that snow ablation has started earlier, thus extending the snow free season, potentially re-sulting in more time for soil warming and deepening of active layer. The snow cover onset and ablation, aswell as the thermo insulation properties of the snow cover, will be investigated together with active layer and permafrost variables (temperature, volumetric water content) for further understanding of the observed warming and deepening. Boike, J., Juszak, I., Lange, S., Chadburn, S., Burke, E., Overduin, P. P., Roth, K., Ippisch, O., Bornemann, N., Stern, L., Gouttevin, I., Hauber, E., and Westermann, S.: A 20-year record (1998–2017) of permafrost, active layer and meteorological conditions at a high Arctic permafrost research site (Bayelva, Spitsbergen), Earth Syst. Sci. Data, 10, 355-390, https://doi.org/10.5194/essd-10-355-2018, 2018. Conference Object Active layer thickness Arctic permafrost Svalbard Spitsbergen Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Arctic Bayelva ENVELOPE(11.898,11.898,78.933,78.933) Svalbard |
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 |
Permafrost around the Arctic is warming and thawing. We report data from the high arctic research site Bayelva (78.551N; 11.571E) located close to Ny-Alesund. Data on meteorology, energy balance components and subsur- face observations have been made for the last 20 years (1998-2017; Boike et al. 2017). This study site is underlain by permafrost with current mean permafrost temperature of -2.8◦C and is seasonally snow-covered from October to May. Mean annual, summer and winter soil temperature data at all depths have beenrising over the period of record with a warming trend of 0.18±0.07◦C/year in active layer and top of permafrost. However, interannual to sub-decadal variability is evident in the data and results mostly from differences of theclimate during the winter months. The modeled active layer thickness using the Stefan equation has increasedcontinuously from about 1m in 1998 and is estimated to have surpassed 2 m in 2016. The data show that snow ablation has started earlier, thus extending the snow free season, potentially re-sulting in more time for soil warming and deepening of active layer. The snow cover onset and ablation, aswell as the thermo insulation properties of the snow cover, will be investigated together with active layer and permafrost variables (temperature, volumetric water content) for further understanding of the observed warming and deepening. Boike, J., Juszak, I., Lange, S., Chadburn, S., Burke, E., Overduin, P. P., Roth, K., Ippisch, O., Bornemann, N., Stern, L., Gouttevin, I., Hauber, E., and Westermann, S.: A 20-year record (1998–2017) of permafrost, active layer and meteorological conditions at a high Arctic permafrost research site (Bayelva, Spitsbergen), Earth Syst. Sci. Data, 10, 355-390, https://doi.org/10.5194/essd-10-355-2018, 2018. |
format |
Conference Object |
author |
Boike, Julia Ebenhoch, Sabrina Höfle, Bernhard Westermann, Sebastian Maturilli, Marion Stern, Lielle Juszak, Inge Roth, Kurt |
spellingShingle |
Boike, Julia Ebenhoch, Sabrina Höfle, Bernhard Westermann, Sebastian Maturilli, Marion Stern, Lielle Juszak, Inge Roth, Kurt Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) |
author_facet |
Boike, Julia Ebenhoch, Sabrina Höfle, Bernhard Westermann, Sebastian Maturilli, Marion Stern, Lielle Juszak, Inge Roth, Kurt |
author_sort |
Boike, Julia |
title |
Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) |
title_short |
Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) |
title_full |
Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) |
title_fullStr |
Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) |
title_full_unstemmed |
Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) |
title_sort |
warming trends in permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in bayelva, svalbard (1998 - 2017) |
publisher |
EGU |
publishDate |
2018 |
url |
https://epic.awi.de/id/eprint/48090/ https://epic.awi.de/id/eprint/48090/1/05042018v06.pdf https://meetingorganizer.copernicus.org/EGU2018/EGU2018-8225.pdf https://hdl.handle.net/10013/epic.0ad3545c-df5c-489a-bb63-edc946972fe3 https://hdl.handle.net/ |
long_lat |
ENVELOPE(11.898,11.898,78.933,78.933) |
geographic |
Arctic Bayelva Svalbard |
geographic_facet |
Arctic Bayelva Svalbard |
genre |
Active layer thickness Arctic permafrost Svalbard Spitsbergen |
genre_facet |
Active layer thickness Arctic permafrost Svalbard Spitsbergen |
op_source |
EPIC3EGU General Assembly 2018, Vienna, Austria, 2018-04-08-2018-04-13Vienna, Austria, EGU |
op_relation |
https://epic.awi.de/id/eprint/48090/1/05042018v06.pdf https://hdl.handle.net/ Boike, J. orcid:0000-0002-5875-2112 , Ebenhoch, S. , Höfle, B. , Westermann, S. , Maturilli, M. orcid:0000-0001-6818-7383 , Stern, L. , Juszak, I. orcid:0000-0002-5748-8102 and Roth, K. (2018) Warming trends in Permafrost and thermo-insulation effect of a seasonal snow-cover on permafrost soil in Bayelva, Svalbard (1998 - 2017) , EGU General Assembly 2018, Vienna, Austria, 8 April 2018 - 13 April 2018 . hdl:10013/epic.0ad3545c-df5c-489a-bb63-edc946972fe3 |
_version_ |
1766330058108043264 |