Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean
9 pages, 8 figures, 1 table.-- PMID: 15180058 [PubMed].-- Printed version published May 1, 2004.
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| Main Authors: | , , , , , |
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| Format: | artículo biblioteca |
| Language: | English |
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American Chemical Society
2004-04-03
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| Subjects: | Persistent organic pollutants, POPs, PCBs, Air−Water Exchange, Open Atlantic Ocean, |
| Online Access: | http://hdl.handle.net/10261/16537 |
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dig-idaea-es-10261-165372012-11-26T23:00:00Z Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean Jaward, Foday M. Barber, Jonathan L. Booij, Kees Dachs, Jordi Lohmann, Rainer Jones, Kevin C. Persistent organic pollutants POPs PCBs Air−Water Exchange Open Atlantic Ocean 9 pages, 8 figures, 1 table.-- PMID: 15180058 [PubMed].-- Printed version published May 1, 2004. Ship-board air samples collected between The Netherlands and South Africa in January−February 2001 were analyzed for PCBs and selected organochlorine compounds. Broad latitudinal trends in compound concentrations were influenced by proximity to source areas, land, and air mass origin. Lowest concentrations were observed in the remote south Atlantic (1−32° S), where ∑7PCB concentra tions were 10 pg m-3. Here, a diurnal cycle was noted for some PCB congeners, with the daytime concentrations higher than the nighttime concentrations, typically by a factor of 1.5−2.5. The data are consistent with a close coupling of air−open ocean concentrations, which has important implications for future rates of POP removal from the global “recyclable pool”. The observations are discussed in the context of the potential controlling variables. Interactions between the phytoplankton and the dissolved phase are implicated in controlling the observations made here and a hypothesis to explain the cycling trends is presented. However, the precise mechanisms remain unclear; further studies are urgently required to elucidate them. We are also grateful to the UK Department of the Environment, Food and Rural Affairs (DEFRA) Air Quality Division for financial support. Peer reviewed 2009-09-02T07:47:49Z 2009-09-02T07:47:49Z 2004-04-03 artículo http://purl.org/coar/resource_type/c_6501 Environmental Science and Technology 38(9): 2617–2625 (2004) 0013-936X http://hdl.handle.net/10261/16537 10.1021/es049881q en http://dx.doi.org/10.1021/es049881q none 22195 bytes application/pdf American Chemical Society |
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| language |
English |
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Persistent organic pollutants POPs PCBs Air−Water Exchange Open Atlantic Ocean Persistent organic pollutants POPs PCBs Air−Water Exchange Open Atlantic Ocean |
| spellingShingle |
Persistent organic pollutants POPs PCBs Air−Water Exchange Open Atlantic Ocean Persistent organic pollutants POPs PCBs Air−Water Exchange Open Atlantic Ocean Jaward, Foday M. Barber, Jonathan L. Booij, Kees Dachs, Jordi Lohmann, Rainer Jones, Kevin C. Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean |
| description |
9 pages, 8 figures, 1 table.-- PMID: 15180058 [PubMed].-- Printed version published May 1, 2004. |
| format |
artículo |
| topic_facet |
Persistent organic pollutants POPs PCBs Air−Water Exchange Open Atlantic Ocean |
| author |
Jaward, Foday M. Barber, Jonathan L. Booij, Kees Dachs, Jordi Lohmann, Rainer Jones, Kevin C. |
| author_facet |
Jaward, Foday M. Barber, Jonathan L. Booij, Kees Dachs, Jordi Lohmann, Rainer Jones, Kevin C. |
| author_sort |
Jaward, Foday M. |
| title |
Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean |
| title_short |
Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean |
| title_full |
Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean |
| title_fullStr |
Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean |
| title_full_unstemmed |
Evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open Atlantic Ocean |
| title_sort |
evidence for dynamic air-water coupling and cycling of persistent organic pollutants over the open atlantic ocean |
| publisher |
American Chemical Society |
| publishDate |
2004-04-03 |
| url |
http://hdl.handle.net/10261/16537 |
| work_keys_str_mv |
AT jawardfodaym evidencefordynamicairwatercouplingandcyclingofpersistentorganicpollutantsovertheopenatlanticocean AT barberjonathanl evidencefordynamicairwatercouplingandcyclingofpersistentorganicpollutantsovertheopenatlanticocean AT booijkees evidencefordynamicairwatercouplingandcyclingofpersistentorganicpollutantsovertheopenatlanticocean AT dachsjordi evidencefordynamicairwatercouplingandcyclingofpersistentorganicpollutantsovertheopenatlanticocean AT lohmannrainer evidencefordynamicairwatercouplingandcyclingofpersistentorganicpollutantsovertheopenatlanticocean AT joneskevinc evidencefordynamicairwatercouplingandcyclingofpersistentorganicpollutantsovertheopenatlanticocean |
| _version_ |
1777669156403937280 |