Observed spatiotemporal variation of three-dimensional structure and heat/salt transport of anticyclonic mesoscale eddy in Northwest Pacific
As in-situ observations are sparse, targeted observations of a specific mesoscale eddy are rare. Therefore, it is difficult to study the three-dimensional structure of moving mesoscale eddies. From April to September 2014, an anticyclonic eddy located at 135°E–155°E, 26°N–42°N was observed using 17...
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| description | As in-situ observations are sparse, targeted observations of a specific mesoscale eddy are rare. Therefore, it is difficult to study the three-dimensional structure of moving mesoscale eddies. From April to September 2014, an anticyclonic eddy located at 135°E–155°E, 26°N–42°N was observed using 17 rapid-sampling Argo floats, and the spatiotemporal variations in the three-dimensional structure were studied. The results are as follows: (1) the eddy was identified and tracked using satellite altimeter data. It had a lifetime of 269 days and an average radius of 91.5 km. The lifetime of the eddy can be divided into three phases, i.e., the initiation, maturity, and termination phases. The depth of its influence reached 1 000 m; (2) the Argo profiles were divided into seven periods (approximately 20 days in each) for composite analysis, and the composite Argo profiles and CARS2009 (CSIRO Atlas of Regional Seas) climatology data were merged following the data-interpolating variational analysis (DIVA) method to reconstruct the three-dimensional structure. The temperature and salinity anomaly cores of the anticyclonic mesoscale eddy are located from 500 to 600 m. From 800 to 900 m, there is an area of low salinity at the center of the eddy. A high concentration anomaly of dissolved oxygen was located at approximately 250 m; (3) to better understand the features of the eddy and its interaction with the surroundings, we calculated the anomalous velocity of the geostrophic flow and the heat, salt, dissolved oxygen transport anomaly, and discussed the eddy’s origin and its adjustments to topography. The maximum heat, salt, and oxygen transport caused by eddy were 9.37×10
11
W, 3.08×10
3
kg/s, and 2.70×10
2
kg/s, which all occurred during the termination phase. This study highlights the applicability of using Argo floats to understand the three-dimensional structure thermohaline features of eddies in the North Pacific. |
| doi_str_mv | 10.1007/s00343-019-9148-z |
| format | Article |
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11
W, 3.08×10
3
kg/s, and 2.70×10
2
kg/s, which all occurred during the termination phase. This study highlights the applicability of using Argo floats to understand the three-dimensional structure thermohaline features of eddies in the North Pacific.</description><identifier>ISSN: 2096-5508</identifier><identifier>EISSN: 2523-3521</identifier><identifier>DOI: 10.1007/s00343-019-9148-z</identifier><language>eng</language><publisher>Heidelberg: Science Press</publisher><subject>Altimeters ; Climatology ; Dissolved oxygen ; Drifters ; Earth and Environmental Science ; Earth Sciences ; Eddies ; Floats ; Geostrophic flow ; Heat ; Mesoscale eddies ; Mesoscale phenomena ; Ocean circulation ; Oceanography ; Oxygen ; Salinity ; Salinity effects ; Salt advection ; Salts ; Satellite tracking ; Special Section on Indo-Pac Project</subject><ispartof>Journal of oceanology and limnology, 2020-11, Vol.38 (6), p.1654-1675</ispartof><rights>Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-8628dc2eb4d543b0ed18c14b4197ad4139176cd331281ff469cd5c687863ddfa3</citedby><cites>FETCH-LOGICAL-c350t-8628dc2eb4d543b0ed18c14b4197ad4139176cd331281ff469cd5c687863ddfa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.wanfangdata.com.cn/images/PeriodicalImages/zghyhzxb/zghyhzxb.jpg</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2918133962/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2918133962?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,41464,42533,43781,51294,74045</link.rule.ids></links><search><creatorcontrib>Dai, Jun</creatorcontrib><creatorcontrib>Wang, Huizan</creatorcontrib><creatorcontrib>Zhang, Weimin</creatorcontrib><creatorcontrib>An, Yuzhu</creatorcontrib><creatorcontrib>Zhang, Ren</creatorcontrib><title>Observed spatiotemporal variation of three-dimensional structure and heat/salt transport of anticyclonic mesoscale eddy in Northwest Pacific</title><title>Journal of oceanology and limnology</title><addtitle>J. Ocean. Limnol</addtitle><description>As in-situ observations are sparse, targeted observations of a specific mesoscale eddy are rare. Therefore, it is difficult to study the three-dimensional structure of moving mesoscale eddies. From April to September 2014, an anticyclonic eddy located at 135°E–155°E, 26°N–42°N was observed using 17 rapid-sampling Argo floats, and the spatiotemporal variations in the three-dimensional structure were studied. The results are as follows: (1) the eddy was identified and tracked using satellite altimeter data. It had a lifetime of 269 days and an average radius of 91.5 km. The lifetime of the eddy can be divided into three phases, i.e., the initiation, maturity, and termination phases. The depth of its influence reached 1 000 m; (2) the Argo profiles were divided into seven periods (approximately 20 days in each) for composite analysis, and the composite Argo profiles and CARS2009 (CSIRO Atlas of Regional Seas) climatology data were merged following the data-interpolating variational analysis (DIVA) method to reconstruct the three-dimensional structure. The temperature and salinity anomaly cores of the anticyclonic mesoscale eddy are located from 500 to 600 m. From 800 to 900 m, there is an area of low salinity at the center of the eddy. A high concentration anomaly of dissolved oxygen was located at approximately 250 m; (3) to better understand the features of the eddy and its interaction with the surroundings, we calculated the anomalous velocity of the geostrophic flow and the heat, salt, dissolved oxygen transport anomaly, and discussed the eddy’s origin and its adjustments to topography. The maximum heat, salt, and oxygen transport caused by eddy were 9.37×10
11
W, 3.08×10
3
kg/s, and 2.70×10
2
kg/s, which all occurred during the termination phase. This study highlights the applicability of using Argo floats to understand the three-dimensional structure thermohaline features of eddies in the North Pacific.</description><subject>Altimeters</subject><subject>Climatology</subject><subject>Dissolved oxygen</subject><subject>Drifters</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Eddies</subject><subject>Floats</subject><subject>Geostrophic flow</subject><subject>Heat</subject><subject>Mesoscale eddies</subject><subject>Mesoscale phenomena</subject><subject>Ocean circulation</subject><subject>Oceanography</subject><subject>Oxygen</subject><subject>Salinity</subject><subject>Salinity effects</subject><subject>Salt advection</subject><subject>Salts</subject><subject>Satellite tracking</subject><subject>Special Section on Indo-Pac Project</subject><issn>2096-5508</issn><issn>2523-3521</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kcGKFDEQhhtRcFn3AbwFPHmIW0k6PemjLOoKi-tBzyGdVE9n6UmPqcyuM8_gQ5uhhT0JgYTK9_9U1d80bwV8EACbawJQreIget6L1vDTi-ZCaqm40lK8rG_oO641mNfNFdEDAEgwErS-aP7cD4T5EQOjvStxKbjbL9nN7NHleC4ktoysTBmRh7jDRLVUv6nkgy-HjMylwCZ05ZrcXFjJLlF1KGeZSyX6o5-XFD3bIS3k3YwMQziymNi3ik1PSIV9dz6O0b9pXo1uJrz6d182Pz9_-nFzy-_uv3y9-XjHvdJQuOmkCV7i0AbdqgEwCONFO7Si37jQCtWLTeeDUkIaMY5t1_ugfWc2plMhjE5dNu9X3yeXRpe29mE55DoV2dN2Ok6n34OsG4Kunsq-W9l9Xn4darPPsOyFEUr1nayUWCmfF6KMo93nuHP5aAXYc0Z2zcjWjOw5I3uqGrlqqLJpi_nZ-f-iv_Htl8g</recordid><startdate>20201101</startdate><enddate>20201101</enddate><creator>Dai, Jun</creator><creator>Wang, Huizan</creator><creator>Zhang, Weimin</creator><creator>An, Yuzhu</creator><creator>Zhang, Ren</creator><general>Science Press</general><general>Springer Nature B.V</general><general>College of Meteorology and Oceanography, National University of Defense Technology, Changsha 410073, China%P.O.Box 5111, Beijing 100094, China</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QH</scope><scope>7QL</scope><scope>7SN</scope><scope>7TN</scope><scope>7U7</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M2P</scope><scope>M7N</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20201101</creationdate><title>Observed spatiotemporal variation of three-dimensional structure and heat/salt transport of anticyclonic mesoscale eddy in Northwest Pacific</title><author>Dai, Jun ; Wang, Huizan ; Zhang, Weimin ; An, Yuzhu ; Zhang, Ren</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-8628dc2eb4d543b0ed18c14b4197ad4139176cd331281ff469cd5c687863ddfa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Altimeters</topic><topic>Climatology</topic><topic>Dissolved oxygen</topic><topic>Drifters</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Eddies</topic><topic>Floats</topic><topic>Geostrophic flow</topic><topic>Heat</topic><topic>Mesoscale eddies</topic><topic>Mesoscale phenomena</topic><topic>Ocean circulation</topic><topic>Oceanography</topic><topic>Oxygen</topic><topic>Salinity</topic><topic>Salinity effects</topic><topic>Salt advection</topic><topic>Salts</topic><topic>Satellite tracking</topic><topic>Special Section on Indo-Pac Project</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dai, Jun</creatorcontrib><creatorcontrib>Wang, Huizan</creatorcontrib><creatorcontrib>Zhang, Weimin</creatorcontrib><creatorcontrib>An, Yuzhu</creatorcontrib><creatorcontrib>Zhang, Ren</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Aqualine</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of oceanology and limnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dai, Jun</au><au>Wang, Huizan</au><au>Zhang, Weimin</au><au>An, Yuzhu</au><au>Zhang, Ren</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observed spatiotemporal variation of three-dimensional structure and heat/salt transport of anticyclonic mesoscale eddy in Northwest Pacific</atitle><jtitle>Journal of oceanology and limnology</jtitle><stitle>J. Ocean. Limnol</stitle><date>2020-11-01</date><risdate>2020</risdate><volume>38</volume><issue>6</issue><spage>1654</spage><epage>1675</epage><pages>1654-1675</pages><issn>2096-5508</issn><eissn>2523-3521</eissn><abstract>As in-situ observations are sparse, targeted observations of a specific mesoscale eddy are rare. Therefore, it is difficult to study the three-dimensional structure of moving mesoscale eddies. From April to September 2014, an anticyclonic eddy located at 135°E–155°E, 26°N–42°N was observed using 17 rapid-sampling Argo floats, and the spatiotemporal variations in the three-dimensional structure were studied. The results are as follows: (1) the eddy was identified and tracked using satellite altimeter data. It had a lifetime of 269 days and an average radius of 91.5 km. The lifetime of the eddy can be divided into three phases, i.e., the initiation, maturity, and termination phases. The depth of its influence reached 1 000 m; (2) the Argo profiles were divided into seven periods (approximately 20 days in each) for composite analysis, and the composite Argo profiles and CARS2009 (CSIRO Atlas of Regional Seas) climatology data were merged following the data-interpolating variational analysis (DIVA) method to reconstruct the three-dimensional structure. The temperature and salinity anomaly cores of the anticyclonic mesoscale eddy are located from 500 to 600 m. From 800 to 900 m, there is an area of low salinity at the center of the eddy. A high concentration anomaly of dissolved oxygen was located at approximately 250 m; (3) to better understand the features of the eddy and its interaction with the surroundings, we calculated the anomalous velocity of the geostrophic flow and the heat, salt, dissolved oxygen transport anomaly, and discussed the eddy’s origin and its adjustments to topography. The maximum heat, salt, and oxygen transport caused by eddy were 9.37×10
11
W, 3.08×10
3
kg/s, and 2.70×10
2
kg/s, which all occurred during the termination phase. This study highlights the applicability of using Argo floats to understand the three-dimensional structure thermohaline features of eddies in the North Pacific.</abstract><cop>Heidelberg</cop><pub>Science Press</pub><doi>10.1007/s00343-019-9148-z</doi><tpages>22</tpages></addata></record> |
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| subjects | Altimeters Climatology Dissolved oxygen Drifters Earth and Environmental Science Earth Sciences Eddies Floats Geostrophic flow Heat Mesoscale eddies Mesoscale phenomena Ocean circulation Oceanography Oxygen Salinity Salinity effects Salt advection Salts Satellite tracking Special Section on Indo-Pac Project |
| title | Observed spatiotemporal variation of three-dimensional structure and heat/salt transport of anticyclonic mesoscale eddy in Northwest Pacific |
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