Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change
Aldegondabreen is a relatively small (5.3 km2) land-terminating glacier located in Nordeskiöld Land of Svalbard, ~10 km southwest of Barentsburg. Cumulative mass balance during 2002–20 equalled −21.79 m w.e., which corresponds to 37% of the total mass loss. The annual mass balance (Ba) varied from −...
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ftdoajarticles:oai:doaj.org/article:8671abc5a8bf4bd182df4797fd98fda4 2023-07-16T03:51:25+02:00 Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change Anton Terekhov Uliana Prokhorova Sergey Verkulich Vasiliy Demidov Olga Sidorova Mikhail Anisimov Kseniia Romashova https://doi.org/10.1017/aog.2023.40 https://doaj.org/article/8671abc5a8bf4bd182df4797fd98fda4 EN eng Cambridge University Press https://www.cambridge.org/core/product/identifier/S026030552300040X/type/journal_article https://doaj.org/toc/0260-3055 https://doaj.org/toc/1727-5644 doi:10.1017/aog.2023.40 0260-3055 1727-5644 https://doaj.org/article/8671abc5a8bf4bd182df4797fd98fda4 Annals of Glaciology, Pp 1-11 Arctic glaciology climate change glacier mass balance glacier monitoring ice/atmosphere interactions Meteorology. Climatology QC851-999 article ftdoajarticles https://doi.org/10.1017/aog.2023.40 2023-06-25T00:34:45Z Aldegondabreen is a relatively small (5.3 km2) land-terminating glacier located in Nordeskiöld Land of Svalbard, ~10 km southwest of Barentsburg. Cumulative mass balance during 2002–20 equalled −21.79 m w.e., which corresponds to 37% of the total mass loss. The annual mass balance (Ba) varied from −0.24 to −2.19 m w.e., while the winter mass balance (Bw) ranged between 0.36 and 0.85 m w.e. Ba and Bw were strongly correlated with the positive degree-day sums and solid precipitation amounts, respectively, measured at the Barentsburg weather station. There was also a strong correlation (r = 0.76) between Ba and Bw, which shows that winter accumulation amplifies the consecutive summer ice melt by changing the surface albedo. The trend in both observational series is not detectable because the period from 2005 to 2013 was characterized by relatively high Bw and not very negative Ba values. This was also observed on the other Svalbard glaciers, and was related to prevailing north-westerly flows over Svalbard during the summer. Therefore, the decadal periodicity of the Aldegondabreen mass balance follows general archipelago patterns that are determined by regional-scale factors. Thus, the surface mass-balance time series, which is now the longest one in the central part of the Spitsbergen Island, is representative for the archipelago. Article in Journal/Newspaper albedo Annals of Glaciology Arctic Barentsburg Climate change glacier Svalbard Spitsbergen Directory of Open Access Journals: DOAJ Articles Aldegondabreen ENVELOPE(14.074,14.074,77.978,77.978) Arctic Barentsburg ENVELOPE(14.212,14.212,78.064,78.064) Svalbard Annals of Glaciology 1 11 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Arctic glaciology climate change glacier mass balance glacier monitoring ice/atmosphere interactions Meteorology. Climatology QC851-999 |
spellingShingle |
Arctic glaciology climate change glacier mass balance glacier monitoring ice/atmosphere interactions Meteorology. Climatology QC851-999 Anton Terekhov Uliana Prokhorova Sergey Verkulich Vasiliy Demidov Olga Sidorova Mikhail Anisimov Kseniia Romashova Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change |
topic_facet |
Arctic glaciology climate change glacier mass balance glacier monitoring ice/atmosphere interactions Meteorology. Climatology QC851-999 |
description |
Aldegondabreen is a relatively small (5.3 km2) land-terminating glacier located in Nordeskiöld Land of Svalbard, ~10 km southwest of Barentsburg. Cumulative mass balance during 2002–20 equalled −21.79 m w.e., which corresponds to 37% of the total mass loss. The annual mass balance (Ba) varied from −0.24 to −2.19 m w.e., while the winter mass balance (Bw) ranged between 0.36 and 0.85 m w.e. Ba and Bw were strongly correlated with the positive degree-day sums and solid precipitation amounts, respectively, measured at the Barentsburg weather station. There was also a strong correlation (r = 0.76) between Ba and Bw, which shows that winter accumulation amplifies the consecutive summer ice melt by changing the surface albedo. The trend in both observational series is not detectable because the period from 2005 to 2013 was characterized by relatively high Bw and not very negative Ba values. This was also observed on the other Svalbard glaciers, and was related to prevailing north-westerly flows over Svalbard during the summer. Therefore, the decadal periodicity of the Aldegondabreen mass balance follows general archipelago patterns that are determined by regional-scale factors. Thus, the surface mass-balance time series, which is now the longest one in the central part of the Spitsbergen Island, is representative for the archipelago. |
format |
Article in Journal/Newspaper |
author |
Anton Terekhov Uliana Prokhorova Sergey Verkulich Vasiliy Demidov Olga Sidorova Mikhail Anisimov Kseniia Romashova |
author_facet |
Anton Terekhov Uliana Prokhorova Sergey Verkulich Vasiliy Demidov Olga Sidorova Mikhail Anisimov Kseniia Romashova |
author_sort |
Anton Terekhov |
title |
Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change |
title_short |
Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change |
title_full |
Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change |
title_fullStr |
Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change |
title_full_unstemmed |
Two decades of mass-balance observations on Aldegondabreen, Spitsbergen: interannual variability and sensitivity to climate change |
title_sort |
two decades of mass-balance observations on aldegondabreen, spitsbergen: interannual variability and sensitivity to climate change |
publisher |
Cambridge University Press |
url |
https://doi.org/10.1017/aog.2023.40 https://doaj.org/article/8671abc5a8bf4bd182df4797fd98fda4 |
long_lat |
ENVELOPE(14.074,14.074,77.978,77.978) ENVELOPE(14.212,14.212,78.064,78.064) |
geographic |
Aldegondabreen Arctic Barentsburg Svalbard |
geographic_facet |
Aldegondabreen Arctic Barentsburg Svalbard |
genre |
albedo Annals of Glaciology Arctic Barentsburg Climate change glacier Svalbard Spitsbergen |
genre_facet |
albedo Annals of Glaciology Arctic Barentsburg Climate change glacier Svalbard Spitsbergen |
op_source |
Annals of Glaciology, Pp 1-11 |
op_relation |
https://www.cambridge.org/core/product/identifier/S026030552300040X/type/journal_article https://doaj.org/toc/0260-3055 https://doaj.org/toc/1727-5644 doi:10.1017/aog.2023.40 0260-3055 1727-5644 https://doaj.org/article/8671abc5a8bf4bd182df4797fd98fda4 |
op_doi |
https://doi.org/10.1017/aog.2023.40 |
container_title |
Annals of Glaciology |
container_start_page |
1 |
op_container_end_page |
11 |
_version_ |
1771551502385545216 |