Geochemical multielement signatures of glacial and interglacial facies of the Okhotsk Sea deepwater sediments during the past 350kyr: A response to global climate changes at the orbital and millennial scales
The previously dated deepwater sediment core MR06-04 PC-7R (length 1723cm; 350kyr) recovered from the central Okhotsk Sea (OS) was analyzed for biogenic compounds and for 63 chemical elements (using the inductively coupled plasma-mass spectrometry method) with a high resolution (1cm; ~200years). A o...
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| Veröffentlicht in: | Paleoceanography 2015-03, Vol.30 (3), p.303-316 |
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| creator | Chebykin, Eugene P Gorbarenko, Sergey A Stepanova, Ol'ga G Panov, Vsevolod S Goldberg, Evgeny L |
| description | The previously dated deepwater sediment core MR06-04 PC-7R (length 1723cm; 350kyr) recovered from the central Okhotsk Sea (OS) was analyzed for biogenic compounds and for 63 chemical elements (using the inductively coupled plasma-mass spectrometry method) with a high resolution (1cm; ~200years). A one box model with two main members" and mathematical methods (based on multielemental composition of sediments) for the calculation of weight fractions (at each time slice) of two main types of geochemical facies that dominate during considerably diverse climatic periods (glacial maxima and interglacial optima) were proposed and tested. This model can be applied to other analogous natural systems whose sedimentation is driven by two main types of geochemical facies. The application of the developed model to the studied core revealed that variations of weight fractions of the typical interglacial and glacial geochemical facies in the sediments along the core depth (named as warm and cold "covariators," respectively) change synchronously with global and regional climate variability. Profiles of warm and inversed cold covariators coincide tightly, and their values increase during warm marine isotope stages and substages and decrease during cold ones over the last 350kyr. Millennial scale changes in covariators had occurred simultaneously with abrupt variability in the OS productivity and sediment lithology and with millennial global climate variability. Some discrepancies in the warm and inversed cold covariators calculated using specific mathematical treatments revealed the episodic influence of volcanogenic matter presented in the core by visible tephra layers and cryptotephras. Key Points A 350kyr multielemental record of the Okhotsk Sea sediment core is obtained Fractions of glacial and interglacial facies along the core depth are calculated Profiles of both types of facies fractions vary in phase with climate changes |
| doi_str_mv | 10.1002/2014PA002718 |
| format | Article |
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A one box model with two main members" and mathematical methods (based on multielemental composition of sediments) for the calculation of weight fractions (at each time slice) of two main types of geochemical facies that dominate during considerably diverse climatic periods (glacial maxima and interglacial optima) were proposed and tested. This model can be applied to other analogous natural systems whose sedimentation is driven by two main types of geochemical facies. The application of the developed model to the studied core revealed that variations of weight fractions of the typical interglacial and glacial geochemical facies in the sediments along the core depth (named as warm and cold "covariators," respectively) change synchronously with global and regional climate variability. Profiles of warm and inversed cold covariators coincide tightly, and their values increase during warm marine isotope stages and substages and decrease during cold ones over the last 350kyr. Millennial scale changes in covariators had occurred simultaneously with abrupt variability in the OS productivity and sediment lithology and with millennial global climate variability. Some discrepancies in the warm and inversed cold covariators calculated using specific mathematical treatments revealed the episodic influence of volcanogenic matter presented in the core by visible tephra layers and cryptotephras. Key Points A 350kyr multielemental record of the Okhotsk Sea sediment core is obtained Fractions of glacial and interglacial facies along the core depth are calculated Profiles of both types of facies fractions vary in phase with climate changes</description><identifier>ISSN: 2572-4517</identifier><identifier>ISSN: 0883-8305</identifier><identifier>EISSN: 2572-4525</identifier><identifier>EISSN: 1944-9186</identifier><identifier>DOI: 10.1002/2014PA002718</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Chemical compounds ; Chemical elements ; Climate ; Climate change ; Climate variability ; Cold ; Composition ; Deep water ; Depth ; Elements ; Geochemistry ; Glacial periods ; Global climate ; Global climate variability ; High resolution ; Inductively coupled plasma mass spectrometry ; Interglacial periods ; Isotopes ; Length ; Lithology ; Mass spectrometry ; Mass spectroscopy ; Mathematical analysis ; Mathematical models ; Methods ; Microprocessors ; Phase transitions ; Productivity ; Profiles ; Regional climates ; Resolution ; Sediment ; Sedimentary facies ; Sedimentation ; Sediments ; Signatures ; Spectrometry ; Tephra ; Variability ; Volcanoes ; Weight</subject><ispartof>Paleoceanography, 2015-03, Vol.30 (3), p.303-316</ispartof><rights>2015. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27929,27930</link.rule.ids></links><search><creatorcontrib>Chebykin, Eugene P</creatorcontrib><creatorcontrib>Gorbarenko, Sergey A</creatorcontrib><creatorcontrib>Stepanova, Ol'ga G</creatorcontrib><creatorcontrib>Panov, Vsevolod S</creatorcontrib><creatorcontrib>Goldberg, Evgeny L</creatorcontrib><title>Geochemical multielement signatures of glacial and interglacial facies of the Okhotsk Sea deepwater sediments during the past 350kyr: A response to global climate changes at the orbital and millennial scales</title><title>Paleoceanography</title><description>The previously dated deepwater sediment core MR06-04 PC-7R (length 1723cm; 350kyr) recovered from the central Okhotsk Sea (OS) was analyzed for biogenic compounds and for 63 chemical elements (using the inductively coupled plasma-mass spectrometry method) with a high resolution (1cm; ~200years). A one box model with two main members" and mathematical methods (based on multielemental composition of sediments) for the calculation of weight fractions (at each time slice) of two main types of geochemical facies that dominate during considerably diverse climatic periods (glacial maxima and interglacial optima) were proposed and tested. This model can be applied to other analogous natural systems whose sedimentation is driven by two main types of geochemical facies. The application of the developed model to the studied core revealed that variations of weight fractions of the typical interglacial and glacial geochemical facies in the sediments along the core depth (named as warm and cold "covariators," respectively) change synchronously with global and regional climate variability. Profiles of warm and inversed cold covariators coincide tightly, and their values increase during warm marine isotope stages and substages and decrease during cold ones over the last 350kyr. Millennial scale changes in covariators had occurred simultaneously with abrupt variability in the OS productivity and sediment lithology and with millennial global climate variability. Some discrepancies in the warm and inversed cold covariators calculated using specific mathematical treatments revealed the episodic influence of volcanogenic matter presented in the core by visible tephra layers and cryptotephras. Key Points A 350kyr multielemental record of the Okhotsk Sea sediment core is obtained Fractions of glacial and interglacial facies along the core depth are calculated Profiles of both types of facies fractions vary in phase with climate changes</description><subject>Chemical compounds</subject><subject>Chemical elements</subject><subject>Climate</subject><subject>Climate change</subject><subject>Climate variability</subject><subject>Cold</subject><subject>Composition</subject><subject>Deep water</subject><subject>Depth</subject><subject>Elements</subject><subject>Geochemistry</subject><subject>Glacial periods</subject><subject>Global climate</subject><subject>Global climate variability</subject><subject>High resolution</subject><subject>Inductively coupled plasma mass spectrometry</subject><subject>Interglacial periods</subject><subject>Isotopes</subject><subject>Length</subject><subject>Lithology</subject><subject>Mass spectrometry</subject><subject>Mass spectroscopy</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Methods</subject><subject>Microprocessors</subject><subject>Phase transitions</subject><subject>Productivity</subject><subject>Profiles</subject><subject>Regional climates</subject><subject>Resolution</subject><subject>Sediment</subject><subject>Sedimentary facies</subject><subject>Sedimentation</subject><subject>Sediments</subject><subject>Signatures</subject><subject>Spectrometry</subject><subject>Tephra</subject><subject>Variability</subject><subject>Volcanoes</subject><subject>Weight</subject><issn>2572-4517</issn><issn>0883-8305</issn><issn>2572-4525</issn><issn>1944-9186</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9j81KAzEQxxdRUKo3HyDgxctqvnaz660UrUKhgnouaXbSxmaTdZNFfEpfybRWDx48zTD85v-RZecEXxGM6TXFhD-O0yZIdZCd0ELQnBe0OPzdiTjOzkJ4xRiTmvGK1ifZ5xS8WkNrlLSoHWw0YKEFF1EwKyfj0ENAXqOVlcokRLoGGReh_znoNL6RuAY036x9DBv0BBI1AN27TCgK0JitZkDN0Bu32qGdDBGxAm8--hs0Rsmn8y4Aij6Z-WWSVta06R-ptXSr5CHj7tH3SxP3UVpjLTi3DRJSAwin2ZGWNsDZfo6yl7vb58l9PptPHybjWd4RwWOuFVWMa8BElFUpRb2ktOYVB0E0kw1TS8BK15pgqWhZa940BXCSKiWiFCUbZZfful3v3wYIcdGaoMBa6cAPYbGDSowLmtCLP-irH3qX0i1IjXldCUHFv1QpGKGsZJR9ASbmmd4</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>Chebykin, Eugene P</creator><creator>Gorbarenko, Sergey A</creator><creator>Stepanova, Ol'ga G</creator><creator>Panov, Vsevolod S</creator><creator>Goldberg, Evgeny L</creator><general>Blackwell Publishing Ltd</general><scope>7SN</scope><scope>7TG</scope><scope>7TN</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>7ST</scope><scope>7U6</scope></search><sort><creationdate>20150301</creationdate><title>Geochemical multielement signatures of glacial and interglacial facies of the Okhotsk Sea deepwater sediments during the past 350kyr: A response to global climate changes at the orbital and millennial scales</title><author>Chebykin, Eugene P ; Gorbarenko, Sergey A ; Stepanova, Ol'ga G ; Panov, Vsevolod S ; Goldberg, Evgeny L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p174t-fc2c34fe017686a79b229484e71f3ad3cbe0cf9f10ac269f4dd5e41deee716763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Chemical compounds</topic><topic>Chemical elements</topic><topic>Climate</topic><topic>Climate change</topic><topic>Climate variability</topic><topic>Cold</topic><topic>Composition</topic><topic>Deep water</topic><topic>Depth</topic><topic>Elements</topic><topic>Geochemistry</topic><topic>Glacial periods</topic><topic>Global climate</topic><topic>Global climate variability</topic><topic>High resolution</topic><topic>Inductively coupled plasma mass spectrometry</topic><topic>Interglacial periods</topic><topic>Isotopes</topic><topic>Length</topic><topic>Lithology</topic><topic>Mass spectrometry</topic><topic>Mass spectroscopy</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Methods</topic><topic>Microprocessors</topic><topic>Phase transitions</topic><topic>Productivity</topic><topic>Profiles</topic><topic>Regional climates</topic><topic>Resolution</topic><topic>Sediment</topic><topic>Sedimentary facies</topic><topic>Sedimentation</topic><topic>Sediments</topic><topic>Signatures</topic><topic>Spectrometry</topic><topic>Tephra</topic><topic>Variability</topic><topic>Volcanoes</topic><topic>Weight</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chebykin, Eugene P</creatorcontrib><creatorcontrib>Gorbarenko, Sergey A</creatorcontrib><creatorcontrib>Stepanova, Ol'ga G</creatorcontrib><creatorcontrib>Panov, Vsevolod S</creatorcontrib><creatorcontrib>Goldberg, Evgeny L</creatorcontrib><collection>Ecology Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><jtitle>Paleoceanography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chebykin, Eugene P</au><au>Gorbarenko, Sergey A</au><au>Stepanova, Ol'ga G</au><au>Panov, Vsevolod S</au><au>Goldberg, Evgeny L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Geochemical multielement signatures of glacial and interglacial facies of the Okhotsk Sea deepwater sediments during the past 350kyr: A response to global climate changes at the orbital and millennial scales</atitle><jtitle>Paleoceanography</jtitle><date>2015-03-01</date><risdate>2015</risdate><volume>30</volume><issue>3</issue><spage>303</spage><epage>316</epage><pages>303-316</pages><issn>2572-4517</issn><issn>0883-8305</issn><eissn>2572-4525</eissn><eissn>1944-9186</eissn><abstract>The previously dated deepwater sediment core MR06-04 PC-7R (length 1723cm; 350kyr) recovered from the central Okhotsk Sea (OS) was analyzed for biogenic compounds and for 63 chemical elements (using the inductively coupled plasma-mass spectrometry method) with a high resolution (1cm; ~200years). A one box model with two main members" and mathematical methods (based on multielemental composition of sediments) for the calculation of weight fractions (at each time slice) of two main types of geochemical facies that dominate during considerably diverse climatic periods (glacial maxima and interglacial optima) were proposed and tested. This model can be applied to other analogous natural systems whose sedimentation is driven by two main types of geochemical facies. The application of the developed model to the studied core revealed that variations of weight fractions of the typical interglacial and glacial geochemical facies in the sediments along the core depth (named as warm and cold "covariators," respectively) change synchronously with global and regional climate variability. Profiles of warm and inversed cold covariators coincide tightly, and their values increase during warm marine isotope stages and substages and decrease during cold ones over the last 350kyr. Millennial scale changes in covariators had occurred simultaneously with abrupt variability in the OS productivity and sediment lithology and with millennial global climate variability. Some discrepancies in the warm and inversed cold covariators calculated using specific mathematical treatments revealed the episodic influence of volcanogenic matter presented in the core by visible tephra layers and cryptotephras. Key Points A 350kyr multielemental record of the Okhotsk Sea sediment core is obtained Fractions of glacial and interglacial facies along the core depth are calculated Profiles of both types of facies fractions vary in phase with climate changes</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2014PA002718</doi><tpages>14</tpages></addata></record> |
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| subjects | Chemical compounds Chemical elements Climate Climate change Climate variability Cold Composition Deep water Depth Elements Geochemistry Glacial periods Global climate Global climate variability High resolution Inductively coupled plasma mass spectrometry Interglacial periods Isotopes Length Lithology Mass spectrometry Mass spectroscopy Mathematical analysis Mathematical models Methods Microprocessors Phase transitions Productivity Profiles Regional climates Resolution Sediment Sedimentary facies Sedimentation Sediments Signatures Spectrometry Tephra Variability Volcanoes Weight |
| title | Geochemical multielement signatures of glacial and interglacial facies of the Okhotsk Sea deepwater sediments during the past 350kyr: A response to global climate changes at the orbital and millennial scales |
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