A vertical gradient of nitrous oxide below the subsurface of the Canada Basin and its formation mechanisms
The ocean is regarded as a significant source of N2O, which is an ozone‐depleting greenhouse gas. However, the contribution of the Arctic Ocean to the global N2O budget is not yet known. Herein, the first observations of N2O concentrations in the Canada Basin (CB) and Greenland Sea Basin (GSB) are p...
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| Veröffentlicht in: | Journal of geophysical research. Oceans 2015-03, Vol.120 (3), p.2401-2411 |
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| container_title | Journal of geophysical research. Oceans |
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| creator | Zhan, Liyang Chen, Liqi Zhang, Jiexia Li, Yuhong |
| description | The ocean is regarded as a significant source of N2O, which is an ozone‐depleting greenhouse gas. However, the contribution of the Arctic Ocean to the global N2O budget is not yet known. Herein, the first observations of N2O concentrations in the Canada Basin (CB) and Greenland Sea Basin (GSB) are presented. A correlation between the historic atmospheric N2O record and N2O concentrations at the corresponding depth in the GSB suggests that the N2O distribution pattern is dominated by air‐sea exchanges and hydrographic processes in this region. The consistency between the observed N2O concentrations in the CB and calculated results based on the above correlation suggest that the N2O concentrations in the CB are most likely dominated by N2O dynamics and subsequent hydrographic processes in the sea adjacent to the GSB. The N2O concentration in the Canada Basin Intermediate Water (CBIW) reflects anthropogenic influences, whereas the N2O concentration in the Canada Basin Deep Water (CBDW) suggests that the CBDW may be a preindustrial “relict.”
Key Points:
Gradient of N2O concentration in the Canada Basin was found
N2O profile in the Greenland Sea dominated by air‐sea exchange
N2O dynamics in the Greenland Sea dominate N2O distribution in the Canada Basin |
| doi_str_mv | 10.1002/2014JC010337 |
| format | Article |
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Key Points:
Gradient of N2O concentration in the Canada Basin was found
N2O profile in the Greenland Sea dominated by air‐sea exchange
N2O dynamics in the Greenland Sea dominate N2O distribution in the Canada Basin</description><identifier>ISSN: 2169-9275</identifier><identifier>EISSN: 2169-9291</identifier><identifier>DOI: 10.1002/2014JC010337</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Air pollution ; Air-water exchanges ; Anthropogenic factors ; Atmospherics ; Basins ; Canada Basin ; Concentration gradient ; Correlation ; Deep water ; Distribution ; Dynamics ; Exchange ; Exchanging ; Geophysics ; Greenhouse effect ; Greenhouse gases ; Greenland Sea ; Human influences ; Intermediate water ; Intermediate water masses ; Nitrous oxide ; Nitrous oxides ; Oceans ; Ozone ; Ozone depletion ; Temperature (air-sea)</subject><ispartof>Journal of geophysical research. Oceans, 2015-03, Vol.120 (3), p.2401-2411</ispartof><rights>2015. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a5666-553b579dd0aef9f044d2a3a71e3ddc84cb6b715c9fcd21f78fe2070102a4471d3</citedby><cites>FETCH-LOGICAL-a5666-553b579dd0aef9f044d2a3a71e3ddc84cb6b715c9fcd21f78fe2070102a4471d3</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%2F2014JC010337$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F2014JC010337$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,27901,27902,45550,45551,46384,46808</link.rule.ids></links><search><creatorcontrib>Zhan, Liyang</creatorcontrib><creatorcontrib>Chen, Liqi</creatorcontrib><creatorcontrib>Zhang, Jiexia</creatorcontrib><creatorcontrib>Li, Yuhong</creatorcontrib><title>A vertical gradient of nitrous oxide below the subsurface of the Canada Basin and its formation mechanisms</title><title>Journal of geophysical research. Oceans</title><addtitle>J. Geophys. Res. Oceans</addtitle><description>The ocean is regarded as a significant source of N2O, which is an ozone‐depleting greenhouse gas. However, the contribution of the Arctic Ocean to the global N2O budget is not yet known. Herein, the first observations of N2O concentrations in the Canada Basin (CB) and Greenland Sea Basin (GSB) are presented. A correlation between the historic atmospheric N2O record and N2O concentrations at the corresponding depth in the GSB suggests that the N2O distribution pattern is dominated by air‐sea exchanges and hydrographic processes in this region. The consistency between the observed N2O concentrations in the CB and calculated results based on the above correlation suggest that the N2O concentrations in the CB are most likely dominated by N2O dynamics and subsequent hydrographic processes in the sea adjacent to the GSB. The N2O concentration in the Canada Basin Intermediate Water (CBIW) reflects anthropogenic influences, whereas the N2O concentration in the Canada Basin Deep Water (CBDW) suggests that the CBDW may be a preindustrial “relict.”
Key Points:
Gradient of N2O concentration in the Canada Basin was found
N2O profile in the Greenland Sea dominated by air‐sea exchange
N2O dynamics in the Greenland Sea dominate N2O distribution in the Canada Basin</description><subject>Air pollution</subject><subject>Air-water exchanges</subject><subject>Anthropogenic factors</subject><subject>Atmospherics</subject><subject>Basins</subject><subject>Canada Basin</subject><subject>Concentration gradient</subject><subject>Correlation</subject><subject>Deep water</subject><subject>Distribution</subject><subject>Dynamics</subject><subject>Exchange</subject><subject>Exchanging</subject><subject>Geophysics</subject><subject>Greenhouse effect</subject><subject>Greenhouse gases</subject><subject>Greenland Sea</subject><subject>Human influences</subject><subject>Intermediate water</subject><subject>Intermediate water masses</subject><subject>Nitrous oxide</subject><subject>Nitrous oxides</subject><subject>Oceans</subject><subject>Ozone</subject><subject>Ozone depletion</subject><subject>Temperature (air-sea)</subject><issn>2169-9275</issn><issn>2169-9291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqN0Utv1DAQB3ALgUS19MYHsMSFAwGPH3F8bCN2oVpRqWrhaE1im3rJo9hJH9--WS2qEIcKX2xZvxnNX0PIW2AfgTH-iTOQZzUDJoR-QY44lKYw3MDLp7dWr8lxzju2nAoqKc0R2Z3QW5-m2GJHfyZ00Q8THQMd4pTGOdPxPjpPG9-Nd3S69jTPTZ5TwNbv1f6nxgEd0lPMcaA4OBqnTMOYepziONDet9c4xNznN-RVwC774z_3ilytP1_WX4rt-eZrfbItUJVlWSglGqWNcwx9MIFJ6TgK1OCFc20l26ZsNKjWhNZxCLoKnjO95OYopQYnVuT9oe9NGn_PPk-2j7n1XYeDXyJZKCulKwVc_QfVpVBSaFjou3_obpzTsASxYHgluATBnlWlFovYt1uRDwfVpjHn5IO9SbHH9GCB2f0y7d_LXLg48LvY-YdnrT3bXNQcQJVLVXGoinny909VmH7ZZRKt7I9vG2sut2Z9uv5u1-IR8FitAw</recordid><startdate>201503</startdate><enddate>201503</enddate><creator>Zhan, Liyang</creator><creator>Chen, Liqi</creator><creator>Zhang, Jiexia</creator><creator>Li, Yuhong</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>7SR</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>201503</creationdate><title>A vertical gradient of nitrous oxide below the subsurface of the Canada Basin and its formation mechanisms</title><author>Zhan, Liyang ; Chen, Liqi ; Zhang, Jiexia ; Li, Yuhong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a5666-553b579dd0aef9f044d2a3a71e3ddc84cb6b715c9fcd21f78fe2070102a4471d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Air pollution</topic><topic>Air-water exchanges</topic><topic>Anthropogenic factors</topic><topic>Atmospherics</topic><topic>Basins</topic><topic>Canada Basin</topic><topic>Concentration gradient</topic><topic>Correlation</topic><topic>Deep water</topic><topic>Distribution</topic><topic>Dynamics</topic><topic>Exchange</topic><topic>Exchanging</topic><topic>Geophysics</topic><topic>Greenhouse effect</topic><topic>Greenhouse gases</topic><topic>Greenland Sea</topic><topic>Human influences</topic><topic>Intermediate water</topic><topic>Intermediate water masses</topic><topic>Nitrous oxide</topic><topic>Nitrous oxides</topic><topic>Oceans</topic><topic>Ozone</topic><topic>Ozone depletion</topic><topic>Temperature (air-sea)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhan, Liyang</creatorcontrib><creatorcontrib>Chen, Liqi</creatorcontrib><creatorcontrib>Zhang, Jiexia</creatorcontrib><creatorcontrib>Li, Yuhong</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</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>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of geophysical research. Oceans</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhan, Liyang</au><au>Chen, Liqi</au><au>Zhang, Jiexia</au><au>Li, Yuhong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A vertical gradient of nitrous oxide below the subsurface of the Canada Basin and its formation mechanisms</atitle><jtitle>Journal of geophysical research. Oceans</jtitle><addtitle>J. Geophys. Res. Oceans</addtitle><date>2015-03</date><risdate>2015</risdate><volume>120</volume><issue>3</issue><spage>2401</spage><epage>2411</epage><pages>2401-2411</pages><issn>2169-9275</issn><eissn>2169-9291</eissn><abstract>The ocean is regarded as a significant source of N2O, which is an ozone‐depleting greenhouse gas. However, the contribution of the Arctic Ocean to the global N2O budget is not yet known. Herein, the first observations of N2O concentrations in the Canada Basin (CB) and Greenland Sea Basin (GSB) are presented. A correlation between the historic atmospheric N2O record and N2O concentrations at the corresponding depth in the GSB suggests that the N2O distribution pattern is dominated by air‐sea exchanges and hydrographic processes in this region. The consistency between the observed N2O concentrations in the CB and calculated results based on the above correlation suggest that the N2O concentrations in the CB are most likely dominated by N2O dynamics and subsequent hydrographic processes in the sea adjacent to the GSB. The N2O concentration in the Canada Basin Intermediate Water (CBIW) reflects anthropogenic influences, whereas the N2O concentration in the Canada Basin Deep Water (CBDW) suggests that the CBDW may be a preindustrial “relict.”
Key Points:
Gradient of N2O concentration in the Canada Basin was found
N2O profile in the Greenland Sea dominated by air‐sea exchange
N2O dynamics in the Greenland Sea dominate N2O distribution in the Canada Basin</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2014JC010337</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of geophysical research. Oceans, 2015-03, Vol.120 (3), p.2401-2411 |
| issn | 2169-9275 2169-9291 |
| language | eng |
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| source | Wiley Free Content; Wiley Online Library Journals Frontfile Complete; Alma/SFX Local Collection |
| subjects | Air pollution Air-water exchanges Anthropogenic factors Atmospherics Basins Canada Basin Concentration gradient Correlation Deep water Distribution Dynamics Exchange Exchanging Geophysics Greenhouse effect Greenhouse gases Greenland Sea Human influences Intermediate water Intermediate water masses Nitrous oxide Nitrous oxides Oceans Ozone Ozone depletion Temperature (air-sea) |
| title | A vertical gradient of nitrous oxide below the subsurface of the Canada Basin and its formation mechanisms |
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