Twentieth century sea-ice trends in the Ross Sea from a high-resolution, coastal ice-core record
We present the first proxy record of sea‐ice area (SIA) in the Ross Sea, Antarctica, from a 130 year coastal ice‐core record. High‐resolution deuterium excess data show prevailing stable SIA from the 1880s until the 1950s, a 2–5% reduction from the mid‐1950s to the early‐1990s, and a 5% increase aft...
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| Veröffentlicht in: | Geophysical research letters 2014-05, Vol.41 (10), p.3510-3516 |
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| container_title | Geophysical research letters |
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| creator | Sinclair, Kate E. Bertler, Nancy A. N. Bowen, Melissa M. Arrigo, Kevin R. |
| description | We present the first proxy record of sea‐ice area (SIA) in the Ross Sea, Antarctica, from a 130 year coastal ice‐core record. High‐resolution deuterium excess data show prevailing stable SIA from the 1880s until the 1950s, a 2–5% reduction from the mid‐1950s to the early‐1990s, and a 5% increase after 1993. Additional support for this reconstruction is derived from ice‐core methanesulphonic acid concentrations and whaling records. While SIA has continued to decline around much of the West Antarctic coastline since the 1950s, concurrent with increasing air and ocean temperatures, the underlying trend is masked in the Ross Sea by a switch to positive SIA anomalies since the early‐1990s. This increase is associated with a strengthening of southerly winds and the enhanced northward advection of sea ice.
Key Points
Sea ice in the Ross Sea was stable between the 1880s and 1950s
After 1950, sea ice area in the Ross Sea began to decline
An increase from the 1990s onward is related to changing atmospheric circulation |
| doi_str_mv | 10.1002/2014GL059821 |
| format | Article |
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Key Points
Sea ice in the Ross Sea was stable between the 1880s and 1950s
After 1950, sea ice area in the Ross Sea began to decline
An increase from the 1990s onward is related to changing atmospheric circulation</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1002/2014GL059821</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Antarctica ; Atmospheric circulation ; Climate ; Coastal ; Deuterium ; Geochemistry ; Geophysics ; Global warming ; Ice ; Ice core ; Marine ; Ocean temperature ; Reconstruction ; Reduction ; Sea ice ; Trends ; Whaling</subject><ispartof>Geophysical research letters, 2014-05, Vol.41 (10), p.3510-3516</ispartof><rights>2014. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a5474-578a36a78b72e0fd08c1fae9d9ea7cb15116f39127a2ff526991429f23f967fb3</citedby><cites>FETCH-LOGICAL-a5474-578a36a78b72e0fd08c1fae9d9ea7cb15116f39127a2ff526991429f23f967fb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2F2014GL059821$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F2014GL059821$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,11493,27901,27902,45550,45551,46384,46443,46808,46867</link.rule.ids></links><search><creatorcontrib>Sinclair, Kate E.</creatorcontrib><creatorcontrib>Bertler, Nancy A. N.</creatorcontrib><creatorcontrib>Bowen, Melissa M.</creatorcontrib><creatorcontrib>Arrigo, Kevin R.</creatorcontrib><title>Twentieth century sea-ice trends in the Ross Sea from a high-resolution, coastal ice-core record</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>We present the first proxy record of sea‐ice area (SIA) in the Ross Sea, Antarctica, from a 130 year coastal ice‐core record. High‐resolution deuterium excess data show prevailing stable SIA from the 1880s until the 1950s, a 2–5% reduction from the mid‐1950s to the early‐1990s, and a 5% increase after 1993. Additional support for this reconstruction is derived from ice‐core methanesulphonic acid concentrations and whaling records. While SIA has continued to decline around much of the West Antarctic coastline since the 1950s, concurrent with increasing air and ocean temperatures, the underlying trend is masked in the Ross Sea by a switch to positive SIA anomalies since the early‐1990s. This increase is associated with a strengthening of southerly winds and the enhanced northward advection of sea ice.
Key Points
Sea ice in the Ross Sea was stable between the 1880s and 1950s
After 1950, sea ice area in the Ross Sea began to decline
An increase from the 1990s onward is related to changing atmospheric circulation</description><subject>Antarctica</subject><subject>Atmospheric circulation</subject><subject>Climate</subject><subject>Coastal</subject><subject>Deuterium</subject><subject>Geochemistry</subject><subject>Geophysics</subject><subject>Global warming</subject><subject>Ice</subject><subject>Ice core</subject><subject>Marine</subject><subject>Ocean temperature</subject><subject>Reconstruction</subject><subject>Reduction</subject><subject>Sea ice</subject><subject>Trends</subject><subject>Whaling</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kEtv1DAUhS1UJIbCjh9giQ2LBu51YjteooqmSMNrKGLpejLXjNtM3NqJyvx7XE2FEIuuzll85z4OY68Q3iKAeCcAm24J0rQCn7AFmqapWgB9xBYApnih1TP2POcrAKihxgW7vLijcQo0bXlfzJz2PJOrQk98SjRuMg8jn7bEVzFn_p0c9ynuuOPb8GtbJcpxmKcQxxPeR5cnN_ASrfqYiCcqsnnBnno3ZHr5oMfsx9mHi9Pzavml-3j6flk52eimkrp1tXK6XWtB4DfQ9ugdmY0hp_s1SkTla4NCO-G9FMoYbITxovZGab-uj9mbw9ybFG9nypPdhdzTMLiR4pwtSllA0AgFff0fehXnNJbrLKpGQNkldaFODlSfyuuJvL1JYefS3iLY-7rtv3UXXBzwuzDQ_lHWdqulRKWbEqoOoZAn-v035NK1VbrW0v783NlPq271TX09t6L-A6VJjnI</recordid><startdate>20140528</startdate><enddate>20140528</enddate><creator>Sinclair, Kate E.</creator><creator>Bertler, Nancy A. 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N.</creatorcontrib><creatorcontrib>Bowen, Melissa M.</creatorcontrib><creatorcontrib>Arrigo, Kevin R.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sinclair, Kate E.</au><au>Bertler, Nancy A. N.</au><au>Bowen, Melissa M.</au><au>Arrigo, Kevin R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Twentieth century sea-ice trends in the Ross Sea from a high-resolution, coastal ice-core record</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2014-05-28</date><risdate>2014</risdate><volume>41</volume><issue>10</issue><spage>3510</spage><epage>3516</epage><pages>3510-3516</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><abstract>We present the first proxy record of sea‐ice area (SIA) in the Ross Sea, Antarctica, from a 130 year coastal ice‐core record. High‐resolution deuterium excess data show prevailing stable SIA from the 1880s until the 1950s, a 2–5% reduction from the mid‐1950s to the early‐1990s, and a 5% increase after 1993. Additional support for this reconstruction is derived from ice‐core methanesulphonic acid concentrations and whaling records. While SIA has continued to decline around much of the West Antarctic coastline since the 1950s, concurrent with increasing air and ocean temperatures, the underlying trend is masked in the Ross Sea by a switch to positive SIA anomalies since the early‐1990s. This increase is associated with a strengthening of southerly winds and the enhanced northward advection of sea ice.
Key Points
Sea ice in the Ross Sea was stable between the 1880s and 1950s
After 1950, sea ice area in the Ross Sea began to decline
An increase from the 1990s onward is related to changing atmospheric circulation</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2014GL059821</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0094-8276 |
| ispartof | Geophysical research letters, 2014-05, Vol.41 (10), p.3510-3516 |
| issn | 0094-8276 1944-8007 |
| language | eng |
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| source | Wiley Free Content; Wiley-Blackwell AGU Digital Library; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Antarctica Atmospheric circulation Climate Coastal Deuterium Geochemistry Geophysics Global warming Ice Ice core Marine Ocean temperature Reconstruction Reduction Sea ice Trends Whaling |
| title | Twentieth century sea-ice trends in the Ross Sea from a high-resolution, coastal ice-core record |
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