Oxygen utilization rates in the Nansen Basin, Arctic Ocean: implications for new production
In situ consumption of oxygen is balanced by ventilation if the observed distribution of dissolved oxygen below the euphotic zone is in steady state. Apparent oxygen utilization rates (AOURs) can be estimated from the observed oxygen distribution if the waters of the upper layers can be dated. It ha...
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Veröffentlicht in: | Deep-sea research. Part I, Oceanographic research papers Oceanographic research papers, 1997-12, Vol.44 (12), p.1923-1943 |
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container_end_page | 1943 |
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container_issue | 12 |
container_start_page | 1923 |
container_title | Deep-sea research. Part I, Oceanographic research papers |
container_volume | 44 |
creator | Zheng, Yan Schlosser, Peter Swift, James H. Jones, E.P. |
description | In situ consumption of oxygen is balanced by ventilation if the observed distribution of dissolved oxygen below the euphotic zone is in steady state. Apparent oxygen utilization rates (AOURs) can be estimated from the observed oxygen distribution if the waters of the upper layers can be dated. It has been shown previously that tritium/
3 He ages can be used, together with observed oxygen concentrations, to estimate AOURs for waters with ages of several months to several decades. This method is applied to data obtained from the Nansen Basin, Arctic Ocean, during the 1987 cruise of F.S.
Polarstern. New production is estimated by depth integration of AOURs calculated for several isopycnals to be 19±5 g C m
−2 year
−1 for the southern part and 3±2 g C m
−2 year
−1 for the northern part of the Nansen Basin section. The results are discussed and compared with previous estimates based on different methods. |
doi_str_mv | 10.1016/S0967-0637(97)00046-0 |
format | Article |
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3 He ages can be used, together with observed oxygen concentrations, to estimate AOURs for waters with ages of several months to several decades. This method is applied to data obtained from the Nansen Basin, Arctic Ocean, during the 1987 cruise of F.S.
Polarstern. New production is estimated by depth integration of AOURs calculated for several isopycnals to be 19±5 g C m
−2 year
−1 for the southern part and 3±2 g C m
−2 year
−1 for the northern part of the Nansen Basin section. The results are discussed and compared with previous estimates based on different methods.</description><identifier>ISSN: 0967-0637</identifier><identifier>EISSN: 1879-0119</identifier><identifier>DOI: 10.1016/S0967-0637(97)00046-0</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Geochemistry ; Marine ; Mineralogy ; Oceanography ; Oxygen ; Physical and chemical properties of sea water ; Physics of the oceans ; Silicates ; Water geochemistry</subject><ispartof>Deep-sea research. Part I, Oceanographic research papers, 1997-12, Vol.44 (12), p.1923-1943</ispartof><rights>1998</rights><rights>1998 INIST-CNRS</rights><rights>Copyright Pergamon Press Inc. Dec 1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-81baf1d55776bf48ff33896f653616998af746d74fd0d302ad68f64619b11dcb3</citedby><cites>FETCH-LOGICAL-c357t-81baf1d55776bf48ff33896f653616998af746d74fd0d302ad68f64619b11dcb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0967-0637(97)00046-0$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,782,786,3554,27933,27934,46004</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2211038$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Zheng, Yan</creatorcontrib><creatorcontrib>Schlosser, Peter</creatorcontrib><creatorcontrib>Swift, James H.</creatorcontrib><creatorcontrib>Jones, E.P.</creatorcontrib><title>Oxygen utilization rates in the Nansen Basin, Arctic Ocean: implications for new production</title><title>Deep-sea research. Part I, Oceanographic research papers</title><description>In situ consumption of oxygen is balanced by ventilation if the observed distribution of dissolved oxygen below the euphotic zone is in steady state. Apparent oxygen utilization rates (AOURs) can be estimated from the observed oxygen distribution if the waters of the upper layers can be dated. It has been shown previously that tritium/
3 He ages can be used, together with observed oxygen concentrations, to estimate AOURs for waters with ages of several months to several decades. This method is applied to data obtained from the Nansen Basin, Arctic Ocean, during the 1987 cruise of F.S.
Polarstern. New production is estimated by depth integration of AOURs calculated for several isopycnals to be 19±5 g C m
−2 year
−1 for the southern part and 3±2 g C m
−2 year
−1 for the northern part of the Nansen Basin section. The results are discussed and compared with previous estimates based on different methods.</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Geochemistry</subject><subject>Marine</subject><subject>Mineralogy</subject><subject>Oceanography</subject><subject>Oxygen</subject><subject>Physical and chemical properties of sea water</subject><subject>Physics of the oceans</subject><subject>Silicates</subject><subject>Water geochemistry</subject><issn>0967-0637</issn><issn>1879-0119</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqFkV1rFTEQhkNR6LH6EwpBilhwNbPZnSTeSC1-Qem5UK96EXLyYVP2ZI_Jrrb99eb0lF5406uBmeedYd6XkENgb4EBvvvOFIqGIRevlThmjHXYsD2yAClUwwDUE7J4QPbJs1KuKgQo2YJcLK9vfvlE5ykO8dZMcUw0m8kXGhOdLj09N6nU-UdTYnpDT7KdoqVL6016T-N6M0R7Jyo0jJkm_5du8uhmu-09J0-DGYp_cV8PyM_Pn36cfm3Oll--nZ6cNZb3YmokrEwA1_dC4Cp0MgTOpcKAPUdApaQJokMnuuCY46w1DmXADkGtAJxd8QPyare3nv49-zLpdSzWD4NJfpyLBgmtAMUfB7HvBDKo4Mv_wKtxzqk-oUEh9i3vRIX6HWTzWEr2QW9yXJt8o4HpbTD6Lhi9dV2rWrfBaFZ1R_fLTbFmCNkkG8uDuG0BGJcV-7DDfLXuT_RZFxt9st7F7O2k3RgfOfQPNXag0A</recordid><startdate>19971201</startdate><enddate>19971201</enddate><creator>Zheng, Yan</creator><creator>Schlosser, Peter</creator><creator>Swift, James H.</creator><creator>Jones, E.P.</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Pergamon Press Inc</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>19971201</creationdate><title>Oxygen utilization rates in the Nansen Basin, Arctic Ocean: implications for new production</title><author>Zheng, Yan ; Schlosser, Peter ; Swift, James H. ; Jones, E.P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-81baf1d55776bf48ff33896f653616998af746d74fd0d302ad68f64619b11dcb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Geochemistry</topic><topic>Marine</topic><topic>Mineralogy</topic><topic>Oceanography</topic><topic>Oxygen</topic><topic>Physical and chemical properties of sea water</topic><topic>Physics of the oceans</topic><topic>Silicates</topic><topic>Water geochemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zheng, Yan</creatorcontrib><creatorcontrib>Schlosser, Peter</creatorcontrib><creatorcontrib>Swift, James H.</creatorcontrib><creatorcontrib>Jones, E.P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zheng, Yan</au><au>Schlosser, Peter</au><au>Swift, James H.</au><au>Jones, E.P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxygen utilization rates in the Nansen Basin, Arctic Ocean: implications for new production</atitle><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle><date>1997-12-01</date><risdate>1997</risdate><volume>44</volume><issue>12</issue><spage>1923</spage><epage>1943</epage><pages>1923-1943</pages><issn>0967-0637</issn><eissn>1879-0119</eissn><abstract>In situ consumption of oxygen is balanced by ventilation if the observed distribution of dissolved oxygen below the euphotic zone is in steady state. Apparent oxygen utilization rates (AOURs) can be estimated from the observed oxygen distribution if the waters of the upper layers can be dated. It has been shown previously that tritium/
3 He ages can be used, together with observed oxygen concentrations, to estimate AOURs for waters with ages of several months to several decades. This method is applied to data obtained from the Nansen Basin, Arctic Ocean, during the 1987 cruise of F.S.
Polarstern. New production is estimated by depth integration of AOURs calculated for several isopycnals to be 19±5 g C m
−2 year
−1 for the southern part and 3±2 g C m
−2 year
−1 for the northern part of the Nansen Basin section. The results are discussed and compared with previous estimates based on different methods.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0967-0637(97)00046-0</doi><tpages>21</tpages></addata></record> |
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source | Access via ScienceDirect (Elsevier) |
subjects | Earth sciences Earth, ocean, space Exact sciences and technology External geophysics Geochemistry Marine Mineralogy Oceanography Oxygen Physical and chemical properties of sea water Physics of the oceans Silicates Water geochemistry |
title | Oxygen utilization rates in the Nansen Basin, Arctic Ocean: implications for new production |
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