Item talk:Q306595
From geokb
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"name": "Holocene hydroclimatic reorganizations in northwest Canada inferred from lacustrine carbonate oxygen isotopes",
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"value": "10.1029/2021GL092948",
"url": "https://doi.org/10.1029/2021GL092948"
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"name": "Geophysical Research Letters",
"volumeNumber": "48",
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"datePublished": "2021",
"dateModified": "2021-08-18",
"abstract": "Sub-centennial oxygen (\u03b418O) isotopes of ostracod and authigenic calcite from Squanga Lake provides evidence of hydroclimatic extremes and a series of post-glacial climate system reorganizations for the interior region of northwest Canada. Authigenic calcite\u00a0\u03b418O values range from \u221216\u2030 to \u221221\u2030 and are presently similar to modern lake water and annual precipitation values. Ostracod\u00a0\u03b418O record near identical trends with calcite, offset by +1.7\u00a0\u00b1\u00a00.6\u2030. At 11\u00a0ka BP (kaBP\u00a0=\u00a0thousands of years before 1950), higher\u00a0\u03b418O values reflect decreased precipitation\u2212evaporation (P\u2212E) balance from residual ice sheet influences on moisture availability. A trend to lower\u00a0\u03b418O values until \u223c8\u00a0ka BP reflects a shift to wetter conditions, and reorganization of atmospheric circulation. The last millennium and modern era are relatively dry, though not as dry as the early Holocene extreme. North Pacific climate dynamics remained an important driver of P\u2212E balance in northwest Canada throughout the Holocene.",
"description": "e2021GL092948, 9 p.",
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"name": "American Geophysical Union"
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"name": "Lasher, G. Everett",
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"name": "University of Pittsburgh"
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"name": "Abbott, Mark B.",
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"affiliation": [
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"name": "University of Pittsburgh"
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"name": "Yasarer, Lindsey",
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"affiliation": [
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"name": "U.S. Department of Agriculture"
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"name": "Rosenheimer, Michael",
"givenName": "Michael",
"familyName": "Rosenheimer",
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"name": "RIZZO International, Inc."
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"name": "Finney, Bruce P.",
"givenName": "Bruce P.",
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"name": "Idaho State University"
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{
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"name": "Anderson, Lesleigh land@usgs.gov",
"givenName": "Lesleigh",
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"name": "Geosciences and Environmental Change Science Center",
"url": "https://www.usgs.gov/centers/geosciences-and-environmental-change-science-center"
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