The role of the global cryosphere in the fate of organic contaminants

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Authors

GRANNAS Amanda BOGDAL Christian HAGEMAN Kimberly HALSALL Crispin HARNER Tom HUNG Hayley KALLENBORN Roland KLÁN Petr KLÁNOVÁ Jana MACDONALD Robie MEYER Thorsten WANIA Frank

Year of publication 2013
Type Article in Periodical
Magazine / Source Atmospheric Chemistry and Physics
MU Faculty or unit

Faculty of Science

Citation
Web http://www.atmos-chem-phys.net/13/3271/2013/acp-13-3271-2013.html
Doi http://dx.doi.org/10.5194/acp-13-3271-2013
Field Organic chemistry
Keywords Chemistry; Pollutants; Ice; Snow; Photochemistry
Description The cryosphere is an important component of global organic contaminant cycles. Snow is an efficient scavenger of atmospheric organic pollutants while a seasonal snowpack, sea ice, glaciers and ice caps are contaminant reservoirs on time scales ranging from days to millennia. Important physical and chemical processes occurring in the various cryospheric compartments impact contaminant cycling and fate. A variety of interactions and feedbacks also occur within the cryospheric system, most of which are susceptible to perturbations due to climate change. In this article, we review the current state of knowledge regarding the transport and processing of organic contaminants in the global cryosphere with an emphasis on the role of a changing climate. Given the complexity of contaminant interactions with the cryosphere and limitations on resources and research capacity, interdisciplinary research and extended collaborations are essential to close identified knowledge gaps and to improve our understanding of contaminant fate under a changing climate.
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