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@article{1494017, author = {Lammel, Gerhard and Degrendele, Celine and Gunthe, Sachin S. and Mu, Qing and Muthalagu, Akila and Audy, Ondřej and Biju, Chelackal V. and Kukučka, Petr and Mulder, Marie Daniëlle and Octaviani, Mega and Přibylová, Petra and Shahpoury, Pourya and Stemmler, Irene and Valsan, Aswathy E.}, article_location = {Göttingen, Germany}, article_number = {15}, doi = {http://dx.doi.org/10.5194/acp-18-11031-2018}, keywords = {PERSISTENT ORGANIC POLLUTANTS; POLYBROMINATED DIPHENYL ETHERS; ORGANOCHLORINE PESTICIDES; SOUTH-INDIA; POLYCHLORINATED-BIPHENYLS; AIR EXCHANGE; MULTICOMPARTMENTAL FATE; ATMOSPHERIC TRANSPORT; COASTAL ENVIRONMENT; TIBETAN PLATEAU}, language = {eng}, issn = {1680-7316}, journal = {Atmospheric Chemistry and Physics}, title = {Revolatilisation of soil-accumulated pollutants triggered by the summer monsoon in India}, url = {https://www.atmos-chem-phys.net/18/11031/2018/}, volume = {18}, year = {2018} }
TY - JOUR ID - 1494017 AU - Lammel, Gerhard - Degrendele, Celine - Gunthe, Sachin S. - Mu, Qing - Muthalagu, Akila - Audy, Ondřej - Biju, Chelackal V. - Kukučka, Petr - Mulder, Marie Daniëlle - Octaviani, Mega - Přibylová, Petra - Shahpoury, Pourya - Stemmler, Irene - Valsan, Aswathy E. PY - 2018 TI - Revolatilisation of soil-accumulated pollutants triggered by the summer monsoon in India JF - Atmospheric Chemistry and Physics VL - 18 IS - 15 SP - 11031-11040 EP - 11031-11040 PB - European Geosciences Union SN - 16807316 KW - PERSISTENT ORGANIC POLLUTANTS KW - POLYBROMINATED DIPHENYL ETHERS KW - ORGANOCHLORINE PESTICIDES KW - SOUTH-INDIA KW - POLYCHLORINATED-BIPHENYLS KW - AIR EXCHANGE KW - MULTICOMPARTMENTAL FATE KW - ATMOSPHERIC TRANSPORT KW - COASTAL ENVIRONMENT KW - TIBETAN PLATEAU UR - https://www.atmos-chem-phys.net/18/11031/2018/ L2 - https://www.atmos-chem-phys.net/18/11031/2018/ N2 - Persistent organic pollutants that have accumulated in soils can be remobilised by volatilisation in response to chemical equilibrium with the atmosphere. Clean air masses from the Indian Ocean, advected with the onset of the summer monsoon, are found to reduce concentrations of hexachlorocyclohexane (HCH), dichlorodiphenyltrichloroethane (DDT) and its derivatives, endosulfan and polychlorinated biphenyls (PCBs) in air at a mountain site (all in the range 5-20 pg m(-3)) by 77 %, 70 %, 82 % and 45 %, respectively. The analysis of fugacities in soil and air suggest that the arrival of summer monsoon triggers net volatilisation or enhances ongoing revolatilisation of the now-banned chemicals HCH and PCBs from background soils in southern India. The response of the air-soil exchange was modelled using a regional air pollution model, WRF-Chem PAH/POP. The results suggest that the air is increasingly polluted during transport by the south-westerly monsoon winds across the subcontinent. Using a multidecadal multimedia mass balance model, it is found that air-surface exchange of HCH and DDT have declined since the ban of these substances from agriculture, but remobilisation of higher chlorinated PCBs may have reached a historical high, 40 years after peak emission. ER -
LAMMEL, Gerhard, Celine DEGRENDELE, Sachin S. GUNTHE, Qing MU, Akila MUTHALAGU, Ondřej AUDY, Chelackal V. BIJU, Petr KUKUČKA, Marie Dani$\backslash$''elle MULDER, Mega OCTAVIANI, Petra PŘIBYLOVÁ, Pourya SHAHPOURY, Irene STEMMLER and Aswathy E. VALSAN. Revolatilisation of soil-accumulated pollutants triggered by the summer monsoon in India. \textit{Atmospheric Chemistry and Physics}. Göttingen, Germany: European Geosciences Union, 2018, vol.~18, No~15, p.~11031-11040. ISSN~1680-7316. Available from: https://dx.doi.org/10.5194/acp-18-11031-2018.
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