The distribution of Polychlorinated Biphenyls (PCBs) in the River Thames Catchment under the scenarios of climate change
Copyright © 2015 Elsevier B.V. All rights reserved..
Measurements have shown low levels of PCBs in water but relatively high concentrations in the resident fish of the River Thames (UK). To better understand the distribution and behaviour of PCBs in the Thames river basin and their potential risks, a level III fugacity model was applied to selected PCB congeners (PCB 52, PCB 118 and PCB 153). The modelling results indicated that fish and sediments represent environmental compartments with the highest PCB concentrations; but the greatest mass of PCBs (over 70%) is likely to remain in the soil. As emissions decline, soil could then act as a significant secondary source of PCBs with the river bed-sediment functioning as a long-term reservoir of PCBs. The predicted changes in temperature and rainfall forecast in the UK Climate Projections 2009 (UKCP09) over the next 80 years had only a modest influence on PCB fate in the model. The most significant result was a tendency for climate change to enhance the evaporation of PCBs from soil to air in the Thames catchment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:533 |
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| Enthalten in: |
The Science of the total environment - 533(2015) vom: 15. Nov., Seite 187-95 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lu, Qiong [VerfasserIn] |
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| Links: |
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| Themen: |
Climate change |
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| Anmerkungen: |
Date Completed 26.02.2016 Date Revised 31.08.2015 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.scitotenv.2015.06.084 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM250703335 |
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| 245 | 1 | 4 | |a The distribution of Polychlorinated Biphenyls (PCBs) in the River Thames Catchment under the scenarios of climate change |
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| 500 | |a Date Revised 31.08.2015 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2015 Elsevier B.V. All rights reserved. | ||
| 520 | |a Measurements have shown low levels of PCBs in water but relatively high concentrations in the resident fish of the River Thames (UK). To better understand the distribution and behaviour of PCBs in the Thames river basin and their potential risks, a level III fugacity model was applied to selected PCB congeners (PCB 52, PCB 118 and PCB 153). The modelling results indicated that fish and sediments represent environmental compartments with the highest PCB concentrations; but the greatest mass of PCBs (over 70%) is likely to remain in the soil. As emissions decline, soil could then act as a significant secondary source of PCBs with the river bed-sediment functioning as a long-term reservoir of PCBs. The predicted changes in temperature and rainfall forecast in the UK Climate Projections 2009 (UKCP09) over the next 80 years had only a modest influence on PCB fate in the model. The most significant result was a tendency for climate change to enhance the evaporation of PCBs from soil to air in the Thames catchment | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Climate change | |
| 650 | 4 | |a Fish | |
| 650 | 4 | |a Fugacity | |
| 650 | 4 | |a PCBs | |
| 650 | 4 | |a River Thames | |
| 650 | 7 | |a Water Pollutants, Chemical |2 NLM | |
| 650 | 7 | |a Polychlorinated Biphenyls |2 NLM | |
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| 700 | 1 | |a Jürgens, Monika D |e verfasserin |4 aut | |
| 700 | 1 | |a Sweetman, Andy |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Whitehead, Paul |e verfasserin |4 aut | |
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