Item talk:Q260977
From geokb
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"name": "Persistent multidecadal variability since the 15th century in the southern Barents Sea derived from annually resolved shell-based records",
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"value": "10.1029/2020JC017074",
"url": "https://doi.org/10.1029/2020JC017074"
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"journal": {
"@type": "Periodical",
"name": "Journal of Geophysical Research: Oceans",
"volumeNumber": "126",
"issueNumber": "6"
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"inLanguage": "en",
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"name": "Journal of Geophysical Research: Oceans"
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"datePublished": "2021",
"dateModified": "2021-06-23",
"abstract": "In the North Atlantic Ocean, multidecadal variability in sea surface temperatures (SSTs) over the past several centuries has largely been inferred through terrestrial proxies and decadally resolved marine proxies. Annually resolved proxy records from marine archives provide valuable insight into this variability, but are especially rare from high latitude environments, particularly for centennial timescales. We constructed continuous, absolutely dated records of shell growth (1449\u20132014 CE; 564\u00a0years) and oxygen isotope ratios (\u03b418Oshell; 1539\u20132014 CE; 476\u00a0years) from shells of the bivalve\u00a0Arctica islandica\u00a0from coastal northern Norway, a location sensitive to large-scale North Atlantic Ocean dynamics. An annual (January\u2013December) SST reconstruction derived from \u03b418Oshell\u00a0for the past five centuries suggests an increase of at least 2\u00b0C from the mid-18th century to 2014. The SST reconstruction correlates significantly with instrumental records and with other proxy reconstructions in the southern Barents Sea region. Spectral analysis of the shell growth and isotope records supports evidence for Atlantic multidecadal variability (65\u201380\u00a0year periodicity) extending into polar and subpolar latitudes for the past five centuries. These results provide additional evidence that multidecadal variability in SSTs are a persistent feature of the North Atlantic marine system.",
"description": "e2020JC017074, 22 p.",
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"name": "American Geophysical Union"
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"name": "NORCE Norwegian Research Centre, Norway; Bjerknes Centre for Climate Research, Norway"
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"name": "Ambrose, William G. Jr.",
"givenName": "William G.",
"familyName": "Ambrose",
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"name": "Coastal Carolina University, USA"
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"name": "Retelle, Michael J.",
"givenName": "Michael J.",
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"name": "Bates College, USA; University Centre in Svalbard, Norway"
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"name": "Wanamaker, Alan D. Jr.",
"givenName": "Alan D.",
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"name": "Iowa State University, USA"
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"name": "Carroll, Michael L.",
"givenName": "Michael L.",
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"name": "Akvaplan-niva, FRAM - High North Research Centre for Climate and the Environment, Norway"
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"name": "Mette, Madelyn Jean",
"givenName": "Madelyn Jean",
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"name": "St. Petersburg Coastal and Marine Science Center",
"url": "https://www.usgs.gov/centers/spcmsc"
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"funder": [
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"@type": "Organization",
"name": "St. Petersburg Coastal and Marine Science Center",
"url": "https://www.usgs.gov/centers/spcmsc"
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"url": "https://geonames.org/4276466"
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"url": "https://geonames.org/5358873"
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