Spatio-temporal distributions of chlorofluorocarbons and methyl iodide in the Changjiang (Yangtze River) estuary and its adjacent marine area
Temporal and spatial distribution patterns of volatile halogenated organic compounds (VHOCs), such as dichlorodifluoromethane (CFC-12), trichlorofluoromethane (CFC-11), trichlorotrifluoroethane (CFC-113), and methyl iodide (CH3I), in the Changjiang (Yangtze River) estuary and its adjacent marine are...
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| Veröffentlicht in: | Marine pollution bulletin 2016-02, Vol.103 (1-2), p.247-259 |
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| creator | Yuan, Da Yang, Gui-Peng He, Zhen |
| description | Temporal and spatial distribution patterns of volatile halogenated organic compounds (VHOCs), such as dichlorodifluoromethane (CFC-12), trichlorofluoromethane (CFC-11), trichlorotrifluoroethane (CFC-113), and methyl iodide (CH3I), in the Changjiang (Yangtze River) estuary and its adjacent marine area were measured during two cruises from 21 February to 10 March 2014 and from 10 to 21 July 2014. VHOC concentrations showed seasonal variation with higher values during winter. VHOC distributions evidently decreased along the freshwater plume from the river mouth to the open sea and from inshore to offshore regions. VHOC distributions were obviously influenced by the Changjiang runoff, anthropogenic inputs, and biological release of phytoplankton. The study area was a net sink for CFC-12 and CFC-11, but a net source for atmospheric CH3I during the study periods.
•Distributions of VHOCs in the Changjiang estuary were studied for the first time.•CFCs and CH3I exhibited significant spatio-temporal variations in the study area.•Terrestrial input was the primary contributor of CFCs in the Changjiang estuary.•Biological production contributed to the enhanced CH3I concentrations.•Changjiang estuary and its adjacent area were a net source of atmospheric CH3I. |
| doi_str_mv | 10.1016/j.marpolbul.2015.12.012 |
| format | Article |
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•Distributions of VHOCs in the Changjiang estuary were studied for the first time.•CFCs and CH3I exhibited significant spatio-temporal variations in the study area.•Terrestrial input was the primary contributor of CFCs in the Changjiang estuary.•Biological production contributed to the enhanced CH3I concentrations.•Changjiang estuary and its adjacent area were a net source of atmospheric CH3I.</description><identifier>ISSN: 0025-326X</identifier><identifier>EISSN: 1879-3363</identifier><identifier>DOI: 10.1016/j.marpolbul.2015.12.012</identifier><identifier>PMID: 26707981</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Brackish ; Changjiang (Yangtze River) estuary ; Chlorofluorocarbons ; Chlorofluorocarbons - analysis ; Distribution ; Estuaries ; Freshwater ; Hydrocarbons, Iodinated - analysis ; Marine ; Methyl iodide ; Oceans and Seas ; Phytoplankton ; Rivers - chemistry ; runoff ; Sea-to-air flux ; seasonal variation ; Seasons ; spatial distribution ; Water Pollutants, Chemical - analysis ; water pollution ; winter</subject><ispartof>Marine pollution bulletin, 2016-02, Vol.103 (1-2), p.247-259</ispartof><rights>2015 Elsevier Ltd</rights><rights>Copyright © 2015 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c498t-4a9e60405b1bf93f2570e59061fda799de57a4b88260dd24b772ea8029ebd9f3</citedby><cites>FETCH-LOGICAL-c498t-4a9e60405b1bf93f2570e59061fda799de57a4b88260dd24b772ea8029ebd9f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0025326X15302174$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26707981$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yuan, Da</creatorcontrib><creatorcontrib>Yang, Gui-Peng</creatorcontrib><creatorcontrib>He, Zhen</creatorcontrib><title>Spatio-temporal distributions of chlorofluorocarbons and methyl iodide in the Changjiang (Yangtze River) estuary and its adjacent marine area</title><title>Marine pollution bulletin</title><addtitle>Mar Pollut Bull</addtitle><description>Temporal and spatial distribution patterns of volatile halogenated organic compounds (VHOCs), such as dichlorodifluoromethane (CFC-12), trichlorofluoromethane (CFC-11), trichlorotrifluoroethane (CFC-113), and methyl iodide (CH3I), in the Changjiang (Yangtze River) estuary and its adjacent marine area were measured during two cruises from 21 February to 10 March 2014 and from 10 to 21 July 2014. VHOC concentrations showed seasonal variation with higher values during winter. VHOC distributions evidently decreased along the freshwater plume from the river mouth to the open sea and from inshore to offshore regions. VHOC distributions were obviously influenced by the Changjiang runoff, anthropogenic inputs, and biological release of phytoplankton. The study area was a net sink for CFC-12 and CFC-11, but a net source for atmospheric CH3I during the study periods.
•Distributions of VHOCs in the Changjiang estuary were studied for the first time.•CFCs and CH3I exhibited significant spatio-temporal variations in the study area.•Terrestrial input was the primary contributor of CFCs in the Changjiang estuary.•Biological production contributed to the enhanced CH3I concentrations.•Changjiang estuary and its adjacent area were a net source of atmospheric CH3I.</description><subject>Brackish</subject><subject>Changjiang (Yangtze River) estuary</subject><subject>Chlorofluorocarbons</subject><subject>Chlorofluorocarbons - analysis</subject><subject>Distribution</subject><subject>Estuaries</subject><subject>Freshwater</subject><subject>Hydrocarbons, Iodinated - analysis</subject><subject>Marine</subject><subject>Methyl iodide</subject><subject>Oceans and Seas</subject><subject>Phytoplankton</subject><subject>Rivers - chemistry</subject><subject>runoff</subject><subject>Sea-to-air flux</subject><subject>seasonal variation</subject><subject>Seasons</subject><subject>spatial distribution</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>water pollution</subject><subject>winter</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkc9u1DAQxi0EokvhFaiP5ZAwdhI7PlYr_kmVkGiR4GQ58aTrKBsH26m0vAPvjJctvcJlLI1-3-eZ-Qi5YFAyYOLtWO5NWPzUrVPJgTUl4yUw_oRsWCtVUVWieko2ALwpKi6-nZEXMY4AILlkz8kZFxKkatmG_LpZTHK-SLhffDATtS6m4Lo1N-dI_UD73eSDH6Y1196E7tg2s6V7TLvDRJ23ziJ1M007pNudme9Glwu9_J5r-on0i7vH8IZiTKsJhz9al7KHHU2Pc6J5EzcjNQHNS_JsMFPEVw_vObl9_-52-7G4_vzh0_bquuhr1aaiNgoF1NB0rBtUNfBGAjYKBBuskUpZbKSpu7blAqzldSclR9MCV9hZNVTn5PJkuwT_Y82D6b2LPU6TmdGvUTMpq5Y3qqr_AxVSsbpWKqPyhPbBxxhw0EtwebmDZqCPqelRP6amj6lpxnVOLStfP3yydnu0j7q_MWXg4gQMxmtzF1zUX2-ygwBgqhbqaHF1IjCf7d5h0LF3OPdoXcA-aevdP8f4DX7kuPw</recordid><startdate>20160215</startdate><enddate>20160215</enddate><creator>Yuan, Da</creator><creator>Yang, Gui-Peng</creator><creator>He, Zhen</creator><general>Elsevier Ltd</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7ST</scope><scope>7TG</scope><scope>7TN</scope><scope>7TV</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>KL.</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>20160215</creationdate><title>Spatio-temporal distributions of chlorofluorocarbons and methyl iodide in the Changjiang (Yangtze River) estuary and its adjacent marine area</title><author>Yuan, Da ; Yang, Gui-Peng ; He, Zhen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c498t-4a9e60405b1bf93f2570e59061fda799de57a4b88260dd24b772ea8029ebd9f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Brackish</topic><topic>Changjiang (Yangtze River) estuary</topic><topic>Chlorofluorocarbons</topic><topic>Chlorofluorocarbons - analysis</topic><topic>Distribution</topic><topic>Estuaries</topic><topic>Freshwater</topic><topic>Hydrocarbons, Iodinated - analysis</topic><topic>Marine</topic><topic>Methyl iodide</topic><topic>Oceans and Seas</topic><topic>Phytoplankton</topic><topic>Rivers - chemistry</topic><topic>runoff</topic><topic>Sea-to-air flux</topic><topic>seasonal variation</topic><topic>Seasons</topic><topic>spatial distribution</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>water pollution</topic><topic>winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yuan, Da</creatorcontrib><creatorcontrib>Yang, Gui-Peng</creatorcontrib><creatorcontrib>He, Zhen</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yuan, Da</au><au>Yang, Gui-Peng</au><au>He, Zhen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spatio-temporal distributions of chlorofluorocarbons and methyl iodide in the Changjiang (Yangtze River) estuary and its adjacent marine area</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2016-02-15</date><risdate>2016</risdate><volume>103</volume><issue>1-2</issue><spage>247</spage><epage>259</epage><pages>247-259</pages><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>Temporal and spatial distribution patterns of volatile halogenated organic compounds (VHOCs), such as dichlorodifluoromethane (CFC-12), trichlorofluoromethane (CFC-11), trichlorotrifluoroethane (CFC-113), and methyl iodide (CH3I), in the Changjiang (Yangtze River) estuary and its adjacent marine area were measured during two cruises from 21 February to 10 March 2014 and from 10 to 21 July 2014. VHOC concentrations showed seasonal variation with higher values during winter. VHOC distributions evidently decreased along the freshwater plume from the river mouth to the open sea and from inshore to offshore regions. VHOC distributions were obviously influenced by the Changjiang runoff, anthropogenic inputs, and biological release of phytoplankton. The study area was a net sink for CFC-12 and CFC-11, but a net source for atmospheric CH3I during the study periods.
•Distributions of VHOCs in the Changjiang estuary were studied for the first time.•CFCs and CH3I exhibited significant spatio-temporal variations in the study area.•Terrestrial input was the primary contributor of CFCs in the Changjiang estuary.•Biological production contributed to the enhanced CH3I concentrations.•Changjiang estuary and its adjacent area were a net source of atmospheric CH3I.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>26707981</pmid><doi>10.1016/j.marpolbul.2015.12.012</doi><tpages>13</tpages></addata></record> |
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| subjects | Brackish Changjiang (Yangtze River) estuary Chlorofluorocarbons Chlorofluorocarbons - analysis Distribution Estuaries Freshwater Hydrocarbons, Iodinated - analysis Marine Methyl iodide Oceans and Seas Phytoplankton Rivers - chemistry runoff Sea-to-air flux seasonal variation Seasons spatial distribution Water Pollutants, Chemical - analysis water pollution winter |
| title | Spatio-temporal distributions of chlorofluorocarbons and methyl iodide in the Changjiang (Yangtze River) estuary and its adjacent marine area |
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