Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014
The Arctic sea-ice cover has undergone a significant decline in recent decades. The melt season is starting earlier, ice is thinner and seasonal ice dominates. Here we examine the effects of these changes on the solar heat input to the upper ocean in ice-covered Arctic waters from 1985 to 2014. Sate...
Published in: | Annals of Glaciology |
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Online Access: | https://doi.org/10.1017/aog.2020.62 https://doaj.org/article/f4ef21783f3a4182baaf2a8face2aeb4 |
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ftdoajarticles:oai:doaj.org/article:f4ef21783f3a4182baaf2a8face2aeb4 2023-05-15T13:29:31+02:00 Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014 Donald Perovich Bonnie Light Suzanne Dickinson 2020-12-01T00:00:00Z https://doi.org/10.1017/aog.2020.62 https://doaj.org/article/f4ef21783f3a4182baaf2a8face2aeb4 EN eng Cambridge University Press https://www.cambridge.org/core/product/identifier/S0260305520000622/type/journal_article https://doaj.org/toc/0260-3055 https://doaj.org/toc/1727-5644 doi:10.1017/aog.2020.62 0260-3055 1727-5644 https://doaj.org/article/f4ef21783f3a4182baaf2a8face2aeb4 Annals of Glaciology, Vol 61, Pp 401-407 (2020) Sea ice sea-ice growth and decay surface mass budget Meteorology. Climatology QC851-999 article 2020 ftdoajarticles https://doi.org/10.1017/aog.2020.62 2023-03-12T01:31:55Z The Arctic sea-ice cover has undergone a significant decline in recent decades. The melt season is starting earlier, ice is thinner and seasonal ice dominates. Here we examine the effects of these changes on the solar heat input to the upper ocean in ice-covered Arctic waters from 1985 to 2014. Satellite observations of ice concentration, onset dates of melt and freeze-up and ice age, are combined with ice thicknesses from the PIOMAS model and incident solar irradiance from reanalysis products to calculate the contributions of open ocean and ice to the solar heat input in the upper ocean. Of the total, 86% of the area has positive trends for solar heat input to the ocean through leads due to decreases in ice concentration. Only 62% of the area shows positive trends of solar heat input to the ocean explicitly through the ice. Positive trends are due to thinning ice, while negative trends occur in regions where the ice-free season has lengthened. The annual total solar heat input to the ocean exhibits positive trends in 82% of the area. The spatial pattern of the cumulative annual total solar heat input is similar to the pattern of solar heat input directly to leads. Article in Journal/Newspaper Annals of Glaciology Arctic Arctic Ocean Sea ice Directory of Open Access Journals: DOAJ Articles Arctic Arctic Ocean Annals of Glaciology 61 83 401 407 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Sea ice sea-ice growth and decay surface mass budget Meteorology. Climatology QC851-999 |
spellingShingle |
Sea ice sea-ice growth and decay surface mass budget Meteorology. Climatology QC851-999 Donald Perovich Bonnie Light Suzanne Dickinson Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014 |
topic_facet |
Sea ice sea-ice growth and decay surface mass budget Meteorology. Climatology QC851-999 |
description |
The Arctic sea-ice cover has undergone a significant decline in recent decades. The melt season is starting earlier, ice is thinner and seasonal ice dominates. Here we examine the effects of these changes on the solar heat input to the upper ocean in ice-covered Arctic waters from 1985 to 2014. Satellite observations of ice concentration, onset dates of melt and freeze-up and ice age, are combined with ice thicknesses from the PIOMAS model and incident solar irradiance from reanalysis products to calculate the contributions of open ocean and ice to the solar heat input in the upper ocean. Of the total, 86% of the area has positive trends for solar heat input to the ocean through leads due to decreases in ice concentration. Only 62% of the area shows positive trends of solar heat input to the ocean explicitly through the ice. Positive trends are due to thinning ice, while negative trends occur in regions where the ice-free season has lengthened. The annual total solar heat input to the ocean exhibits positive trends in 82% of the area. The spatial pattern of the cumulative annual total solar heat input is similar to the pattern of solar heat input directly to leads. |
format |
Article in Journal/Newspaper |
author |
Donald Perovich Bonnie Light Suzanne Dickinson |
author_facet |
Donald Perovich Bonnie Light Suzanne Dickinson |
author_sort |
Donald Perovich |
title |
Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014 |
title_short |
Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014 |
title_full |
Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014 |
title_fullStr |
Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014 |
title_full_unstemmed |
Changing ice and changing light: trends in solar heat input to the upper Arctic ocean from 1988 to 2014 |
title_sort |
changing ice and changing light: trends in solar heat input to the upper arctic ocean from 1988 to 2014 |
publisher |
Cambridge University Press |
publishDate |
2020 |
url |
https://doi.org/10.1017/aog.2020.62 https://doaj.org/article/f4ef21783f3a4182baaf2a8face2aeb4 |
geographic |
Arctic Arctic Ocean |
geographic_facet |
Arctic Arctic Ocean |
genre |
Annals of Glaciology Arctic Arctic Ocean Sea ice |
genre_facet |
Annals of Glaciology Arctic Arctic Ocean Sea ice |
op_source |
Annals of Glaciology, Vol 61, Pp 401-407 (2020) |
op_relation |
https://www.cambridge.org/core/product/identifier/S0260305520000622/type/journal_article https://doaj.org/toc/0260-3055 https://doaj.org/toc/1727-5644 doi:10.1017/aog.2020.62 0260-3055 1727-5644 https://doaj.org/article/f4ef21783f3a4182baaf2a8face2aeb4 |
op_doi |
https://doi.org/10.1017/aog.2020.62 |
container_title |
Annals of Glaciology |
container_volume |
61 |
container_issue |
83 |
container_start_page |
401 |
op_container_end_page |
407 |
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1766001067028381696 |