Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice
Rapid Arctic warming is associated with important water cycle changes: sea ice loss, increasing atmospheric humidity, permafrost thaw, and water-induced ecosystem changes. Understanding these complex modern processes is critical to interpreting past hydrologic changes preserved in paleoclimate recor...
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ftpubmed:oai:pubmedcentral.nih.gov:4650601 2023-05-15T14:32:51+02:00 Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice Klein, Eric S. Cherry, J. E. Young, J. Noone, D. Leffler, A. J. Welker, J. M. 2015-05-29 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650601/ http://www.ncbi.nlm.nih.gov/pubmed/26023728 https://doi.org/10.1038/srep10295 en eng Nature Publishing Group http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650601/ http://www.ncbi.nlm.nih.gov/pubmed/26023728 http://dx.doi.org/10.1038/srep10295 Copyright © 2015, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ CC-BY Article Text 2015 ftpubmed https://doi.org/10.1038/srep10295 2015-11-29T01:39:50Z Rapid Arctic warming is associated with important water cycle changes: sea ice loss, increasing atmospheric humidity, permafrost thaw, and water-induced ecosystem changes. Understanding these complex modern processes is critical to interpreting past hydrologic changes preserved in paleoclimate records and predicting future Arctic changes. Cyclones are a prevalent Arctic feature and water vapor isotope ratios during these events provide insights into modern hydrologic processes that help explain past changes to the Arctic water cycle. Here we present continuous measurements of water vapor isotope ratios (δ18O, δ2H, d-excess) in Arctic Alaska from a 2013 cyclone. This cyclone resulted in a sharp d-excess decrease and disproportional δ18O enrichment, indicative of a higher humidity open Arctic Ocean water vapor source. Past transitions to warmer climates inferred from Greenland ice core records also reveal sharp decreases in d-excess, hypothesized to represent reduced sea ice extent and an increase in oceanic moisture source to Greenland Ice Sheet precipitation. Thus, measurements of water vapor isotope ratios during an Arctic cyclone provide a critical processed-based explanation, and the first direct confirmation, of relationships previously assumed to govern water isotope ratios during sea ice retreat and increased input of northern ocean moisture into the Arctic water cycle. Text Arctic Arctic Ocean Greenland Greenland ice core Ice ice core Ice Sheet permafrost Sea ice Alaska PubMed Central (PMC) Arctic Arctic Ocean Greenland Scientific Reports 5 1 |
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Article Klein, Eric S. Cherry, J. E. Young, J. Noone, D. Leffler, A. J. Welker, J. M. Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice |
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Article |
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Rapid Arctic warming is associated with important water cycle changes: sea ice loss, increasing atmospheric humidity, permafrost thaw, and water-induced ecosystem changes. Understanding these complex modern processes is critical to interpreting past hydrologic changes preserved in paleoclimate records and predicting future Arctic changes. Cyclones are a prevalent Arctic feature and water vapor isotope ratios during these events provide insights into modern hydrologic processes that help explain past changes to the Arctic water cycle. Here we present continuous measurements of water vapor isotope ratios (δ18O, δ2H, d-excess) in Arctic Alaska from a 2013 cyclone. This cyclone resulted in a sharp d-excess decrease and disproportional δ18O enrichment, indicative of a higher humidity open Arctic Ocean water vapor source. Past transitions to warmer climates inferred from Greenland ice core records also reveal sharp decreases in d-excess, hypothesized to represent reduced sea ice extent and an increase in oceanic moisture source to Greenland Ice Sheet precipitation. Thus, measurements of water vapor isotope ratios during an Arctic cyclone provide a critical processed-based explanation, and the first direct confirmation, of relationships previously assumed to govern water isotope ratios during sea ice retreat and increased input of northern ocean moisture into the Arctic water cycle. |
format |
Text |
author |
Klein, Eric S. Cherry, J. E. Young, J. Noone, D. Leffler, A. J. Welker, J. M. |
author_facet |
Klein, Eric S. Cherry, J. E. Young, J. Noone, D. Leffler, A. J. Welker, J. M. |
author_sort |
Klein, Eric S. |
title |
Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice |
title_short |
Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice |
title_full |
Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice |
title_fullStr |
Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice |
title_full_unstemmed |
Arctic cyclone water vapor isotopes support past sea ice retreat recorded in Greenland ice |
title_sort |
arctic cyclone water vapor isotopes support past sea ice retreat recorded in greenland ice |
publisher |
Nature Publishing Group |
publishDate |
2015 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650601/ http://www.ncbi.nlm.nih.gov/pubmed/26023728 https://doi.org/10.1038/srep10295 |
geographic |
Arctic Arctic Ocean Greenland |
geographic_facet |
Arctic Arctic Ocean Greenland |
genre |
Arctic Arctic Ocean Greenland Greenland ice core Ice ice core Ice Sheet permafrost Sea ice Alaska |
genre_facet |
Arctic Arctic Ocean Greenland Greenland ice core Ice ice core Ice Sheet permafrost Sea ice Alaska |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650601/ http://www.ncbi.nlm.nih.gov/pubmed/26023728 http://dx.doi.org/10.1038/srep10295 |
op_rights |
Copyright © 2015, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
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CC-BY |
op_doi |
https://doi.org/10.1038/srep10295 |
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Scientific Reports |
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1766306198569615360 |