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@article{1372490, author = {Steinlin, Christine and Bogdal, Christian and Luthi, Martin P. and Pavlova, Pavlina A. and Schwikowski, Margit and Zennegg, Markus and Schmid, Peter and Scheringer, Martin and Hungerbuhler, Konrad}, article_location = {WASHINGTON}, article_number = {11}, doi = {http://dx.doi.org/10.1021/acs.est.5b05886}, keywords = {MELTING GLACIERS; MASS-BALANCE; DEPOSITION HISTORY; JUNGFRAUJOCH; POLLUTANTS; CLIMATE; SWITZERLAND; LAKES}, language = {eng}, issn = {0013-936X}, journal = {ENVIRONMENTAL SCIENCE & TECHNOLOGY}, title = {A Temperate Alpine Glacier as a Reservoir of Polychlorinated Biphenyls: Model Results of Incorporation, Transport, and Release}, url = {http://pubs.acs.org/doi/abs/10.1021/acs.est.5b05886}, volume = {50}, year = {2016} }
TY - JOUR ID - 1372490 AU - Steinlin, Christine - Bogdal, Christian - Luthi, Martin P. - Pavlova, Pavlina A. - Schwikowski, Margit - Zennegg, Markus - Schmid, Peter - Scheringer, Martin - Hungerbuhler, Konrad PY - 2016 TI - A Temperate Alpine Glacier as a Reservoir of Polychlorinated Biphenyls: Model Results of Incorporation, Transport, and Release JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY VL - 50 IS - 11 SP - 5572-5579 EP - 5572-5579 PB - AMER CHEMICAL SOC SN - 0013936X KW - MELTING GLACIERS KW - MASS-BALANCE KW - DEPOSITION HISTORY KW - JUNGFRAUJOCH KW - POLLUTANTS KW - CLIMATE KW - SWITZERLAND KW - LAKES UR - http://pubs.acs.org/doi/abs/10.1021/acs.est.5b05886 L2 - http://pubs.acs.org/doi/abs/10.1021/acs.est.5b05886 N2 - In previous studies, the incorporation of polychlorinated biphenyls (PCBs) has been quantified in the accumulation areas of Alpine glaciers. Here, we introduce a model framework that quantifies mass fluxes of PCBs in glaciers and apply it to the Silvretta glacier (Switzerland). The models include PCB incorporation into the entire surface of the glacier, downhill transport with the flow of the glacier ice, and chemical fate in the glacial lake. The models are run for the years 1900-2100 and validated by comparing modeled and measured PCB concentrations in an ice core, a lake sediment core, and the glacial streamwater. The incorporation and release fluxes, as well as the storage of PCBs in the glacier increase until the 1980s and decrease thereafter. After a temporary increase in the 2000s, the future PCB release and the PCB concentrations in the glacial stream are estimated to be small but persistent throughout the 21st century. This study quantifies all relevant PCB fluxes in and from a temperate Alpine glacier over two centuries, and concludes that Alpine glaciers are a small secondary source of PCBs, but that the aftermath of environmental pollution by persistent and toxic chemicals can endure for decades. ER -
STEINLIN, Christine, Christian BOGDAL, Martin P. LUTHI, Pavlina A. PAVLOVA, Margit SCHWIKOWSKI, Markus ZENNEGG, Peter SCHMID, Martin SCHERINGER and Konrad HUNGERBUHLER. A Temperate Alpine Glacier as a Reservoir of Polychlorinated Biphenyls: Model Results of Incorporation, Transport, and Release. \textit{ENVIRONMENTAL SCIENCE \&{}amp; TECHNOLOGY}. WASHINGTON: AMER CHEMICAL SOC, 2016, vol.~50, No~11, p.~5572-5579. ISSN~0013-936X. Available from: https://dx.doi.org/10.1021/acs.est.5b05886.
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