Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard
Only few reliable records are available covering more than 5 years of meteorological conditions on Arctic glaciers. Here, we report on the operation of an automatic weather station at the Austfonna ice cap, Svalbard, over an 8‐year period from 2004 to 2012. Time series of measured and derived quanti...
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Online Access: | http://dx.doi.org/10.1002/joc.3821 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjoc.3821 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.3821 |
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crwiley:10.1002/joc.3821 2024-06-23T07:45:07+00:00 Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard Schuler, Thomas V. Dunse, Thorben Østby, Torbjørn I. Hagen, Jon O. 2013 http://dx.doi.org/10.1002/joc.3821 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjoc.3821 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.3821 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor International Journal of Climatology volume 34, issue 6, page 2047-2058 ISSN 0899-8418 1097-0088 journal-article 2013 crwiley https://doi.org/10.1002/joc.3821 2024-06-13T04:24:30Z Only few reliable records are available covering more than 5 years of meteorological conditions on Arctic glaciers. Here, we report on the operation of an automatic weather station at the Austfonna ice cap, Svalbard, over an 8‐year period from 2004 to 2012. Time series of measured and derived quantities are analysed to characterize meteorological conditions close to the equilibrium line altitude at ∼400 m.a.s.l. The mean annual temperature is −8.3 °C but exhibits large variability such that excursions above 0 °C occur even during winter. In general, relative air humidity is high and evaluating the wind pattern, we find that moisture is primarily advected from south‐easterly directions. Net radiation is dominated by shortwave radiation and, hence, surface albedo plays an important role in the radiation budget. Frequent summer snowfalls, as observed in 2008, have the ability to maintain a high albedo over much of the ablation season, thereby having large impact on the energy balance as well as on glacier mass balance. Cloudiness is assessed using records of incoming longwave radiation. Analyzing the radiation data, we find evidence for the radiation paradox, i.e. an increase of average net radiation (2004–2012) from −15.7 W m −2 for clear‐sky conditions to 7.3 W m −2 during overcast skies. Article in Journal/Newspaper albedo Arctic Austfonna glacier Ice cap Svalbard Wiley Online Library Arctic Austfonna ENVELOPE(24.559,24.559,79.835,79.835) Svalbard International Journal of Climatology 34 6 2047 2058 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Only few reliable records are available covering more than 5 years of meteorological conditions on Arctic glaciers. Here, we report on the operation of an automatic weather station at the Austfonna ice cap, Svalbard, over an 8‐year period from 2004 to 2012. Time series of measured and derived quantities are analysed to characterize meteorological conditions close to the equilibrium line altitude at ∼400 m.a.s.l. The mean annual temperature is −8.3 °C but exhibits large variability such that excursions above 0 °C occur even during winter. In general, relative air humidity is high and evaluating the wind pattern, we find that moisture is primarily advected from south‐easterly directions. Net radiation is dominated by shortwave radiation and, hence, surface albedo plays an important role in the radiation budget. Frequent summer snowfalls, as observed in 2008, have the ability to maintain a high albedo over much of the ablation season, thereby having large impact on the energy balance as well as on glacier mass balance. Cloudiness is assessed using records of incoming longwave radiation. Analyzing the radiation data, we find evidence for the radiation paradox, i.e. an increase of average net radiation (2004–2012) from −15.7 W m −2 for clear‐sky conditions to 7.3 W m −2 during overcast skies. |
format |
Article in Journal/Newspaper |
author |
Schuler, Thomas V. Dunse, Thorben Østby, Torbjørn I. Hagen, Jon O. |
spellingShingle |
Schuler, Thomas V. Dunse, Thorben Østby, Torbjørn I. Hagen, Jon O. Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard |
author_facet |
Schuler, Thomas V. Dunse, Thorben Østby, Torbjørn I. Hagen, Jon O. |
author_sort |
Schuler, Thomas V. |
title |
Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard |
title_short |
Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard |
title_full |
Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard |
title_fullStr |
Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard |
title_full_unstemmed |
Meteorological conditions on an Arctic ice cap—8 years of automatic weather station data from Austfonna, Svalbard |
title_sort |
meteorological conditions on an arctic ice cap—8 years of automatic weather station data from austfonna, svalbard |
publisher |
Wiley |
publishDate |
2013 |
url |
http://dx.doi.org/10.1002/joc.3821 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjoc.3821 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.3821 |
long_lat |
ENVELOPE(24.559,24.559,79.835,79.835) |
geographic |
Arctic Austfonna Svalbard |
geographic_facet |
Arctic Austfonna Svalbard |
genre |
albedo Arctic Austfonna glacier Ice cap Svalbard |
genre_facet |
albedo Arctic Austfonna glacier Ice cap Svalbard |
op_source |
International Journal of Climatology volume 34, issue 6, page 2047-2058 ISSN 0899-8418 1097-0088 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/joc.3821 |
container_title |
International Journal of Climatology |
container_volume |
34 |
container_issue |
6 |
container_start_page |
2047 |
op_container_end_page |
2058 |
_version_ |
1802651460018634752 |