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Passive-sampler-derived PCB and OCP concentrations in the waters of the world : first results from the AQUA-GAPS/MONET network

Lohmann, Rainer (författare)
Graduate School of Oceanography, University of Rhode Island, Narragansett, Rhode Island, USA
Vrana, Branislav (författare)
RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
Muir, Derek (författare)
Aquatic Contaminants Research Division, Environment and Climate Change Canada, Burlington, Ontario, Canada
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Smedes, Foppe (författare)
RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
Sobotka, Jaromír (författare)
RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
Zeng, Eddy Y. (författare)
Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, China
Bao, Lian-Jun (författare)
Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, China
Allan, Ian J (författare)
Norwegian Institute for Water Research (NIVA), Oslo, Norway
Astrahan, Peleg (författare)
Israel Oceanographic and Limnological Research, Kinneret Lake Laboratory, Haifa, Israel
Barra, Ricardo O. (författare)
Faculty of Environmental Sciences and EULA Chile Centre, University of Concepción, Concepción, Chile
Bidleman, Terry F. (författare)
Umeå universitet,Kemiska institutionen,EcoChange; UMFpub
Dykyi, Evgen (författare)
National Antarctic Scientific Center, Kyiv, Ukraine
Estoppey, Nicolas (författare)
School of Criminal Justice, University of Lausanne, Batochime Building, 1015 Lausanne, Switzerland;Norwegian Geotechnical Institute (NGI), Oslo, Norway
Fillmann, Gilberto (författare)
Instituto de Oceanografia, Universidade Federal do Rio Grande (IO-FURG), Av. Itália s/n, Campus Carreiros,Rio Grande, RS, Brazil
Greenwood, Naomi (författare)
Centre of Environment, Fisheries and Aquaculture Science, Lowestoft, UK
Helm, Paul A. (författare)
Ontario Ministry of the Environment, Conservation and Parks, Toronto, Ontario, Canada
Jantunen, Liisa (författare)
Air Quality Processes Research Section, Environment and Climate Change Canada, Egbert, Ontario, Canada
Kaserzon, Sarit (författare)
Queensland Alliance for Environmental Health Sciences, (QAEHS), The University of Queensland, Queensland, Australia
Macías, J. Vinicio (författare)
Instituto de Investigaciones Oceanológicas, Universidad Autónoma de Baja California, Ensenada, Mexico
Maruya, Keith A. (författare)
Southern California Coastal Water Research Project Authority, Costa Mesa, USA
Molina, Francisco (författare)
Environmental School, Faculty of Engineering, University of Antioquia UdeA, Medellín, Colombia
Newman, Brent (författare)
Coastal Systems Research Group, Umbilo, Durban, South Africa; Nelson Mandela University, Port Elizabeth, South Africa
Prats, Raimon M. (författare)
Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
Tsapakis, Manolis (författare)
Institute of Oceanography, Hellenic Centre for Marine Research, Heraklion, Crete, Greece
Tysklind, Mats (författare)
Umeå universitet,Kemiska institutionen
van Drooge, Barend L. (författare)
Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
Veal, Cameron J (författare)
Seqwater, Ipswich, Queensland, Australia; Queensland Alliance for Environmental Health Sciences, The University of Queensland, Woolloongabba, Queensland, Australia
Wong, Charles S. (författare)
Southern California Coastal Water Research Project Authority, Costa Mesa, California, USA
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 (creator_code:org_t)
American Chemical Society (ACS), 2023
2023
Engelska.
Ingår i: Environmental Science and Technology. - : American Chemical Society (ACS). - 0013-936X .- 1520-5851. ; 57:25, s. 9342-9352
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Persistent organic pollutants (POPs) are recognized as pollutants of global concern, but so far, information on the trends of legacy POPs in the waters of the world has been missing due to logistical, analytical, and financial reasons. Passive samplers have emerged as an attractive alternative to active water sampling methods as they accumulate POPs, represent time-weighted average concentrations, and can easily be shipped and deployed. As part of the AQUA-GAPS/MONET, passive samplers were deployed at 40 globally distributed sites between 2016 and 2020, for a total of 21 freshwater and 40 marine deployments. Results from silicone passive samplers showed α-hexachlorocyclohexane (HCH) and γ-HCH displaying the greatest concentrations in the northern latitudes/Arctic Ocean, in stark contrast to the more persistent penta (PeCB)- and hexachlorobenzene (HCB), which approached equilibrium across sampling sites. Geospatial patterns of polychlorinated biphenyl (PCB) aqueous concentrations closely matched original estimates of production and use, implying limited global transport. Positive correlations between log-transformed concentrations of Σ7PCB, ΣDDTs, Σendosulfan, and Σchlordane, but not ΣHCH, and the log of population density (p < 0.05) within 5 and 10 km of the sampling sites also supported limited transport from used sites. These results help to understand the extent of global distribution, and eventually time-trends, of organic pollutants in aquatic systems, such as across freshwaters and oceans. Future deployments will aim to establish time-trends at selected sites while adding to the geographical coverage.

Ämnesord

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)

Nyckelord

passive sampler
polychlorinated biphenyls
hexachlorobenzene
hexachlorocyclohexanes
organochlorine pesticides
cyclodiene pesticides
global fractionation
silicone rubber
long-range transport
environmental science
miljövetenskap

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