2016
A Temperate Alpine Glacier as a Reservoir of Polychlorinated Biphenyls: Model Results of Incorporation, Transport, and Release
STEINLIN, Christine, Christian BOGDAL, Martin P. LUTHI, Pavlina A. PAVLOVA, Margit SCHWIKOWSKI et. al.Základní údaje
Originální název
A Temperate Alpine Glacier as a Reservoir of Polychlorinated Biphenyls: Model Results of Incorporation, Transport, and Release
Autoři
STEINLIN, Christine (756 Švýcarsko), Christian BOGDAL (756 Švýcarsko), Martin P. LUTHI (756 Švýcarsko), Pavlina A. PAVLOVA (756 Švýcarsko), Margit SCHWIKOWSKI (756 Švýcarsko), Markus ZENNEGG (756 Švýcarsko), Peter SCHMID (756 Švýcarsko), Martin SCHERINGER (756 Švýcarsko, garant, domácí) a Konrad HUNGERBUHLER (756 Švýcarsko)
Vydání
ENVIRONMENTAL SCIENCE & TECHNOLOGY, WASHINGTON, AMER CHEMICAL SOC, 2016, 0013-936X
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
30304 Public and environmental health
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 6.198
Kód RIV
RIV/00216224:14310/16:00093532
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000377629900020
Klíčová slova anglicky
MELTING GLACIERS; MASS-BALANCE; DEPOSITION HISTORY; JUNGFRAUJOCH; POLLUTANTS; CLIMATE; SWITZERLAND; LAKES
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 2. 3. 2017 12:01, Mgr. Michaela Hylsová, Ph.D.
Anotace
V originále
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.
Návaznosti
EF15_003/0000469, projekt VaV |
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LM2015051, projekt VaV |
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