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The Influence of Climate Change on Atmospheric Deposition of Mercury in the Arctic—A Model Sensitivity Study.
Int J Environ Res Public Health. 2015 Sep 10; 12(9):11254-68.IJ

Abstract

Mercury (Hg) is a global pollutant with adverse health effects on humans and wildlife. It is of special concern in the Arctic due to accumulation in the food web and exposure of the Arctic population through a rich marine diet. Climate change may alter the exposure of the Arctic population to Hg. We have investigated the effect of climate change on the atmospheric Hg transport to and deposition within the Arctic by making a sensitivity study of how the atmospheric chemistry-transport model Danish Eulerian Hemispheric Model (DEHM) reacts to climate change forcing. The total deposition of Hg to the Arctic is 18% lower in the 2090s compared to the 1990s under the applied Special Report on Emissions Scenarios (SRES-A1B) climate scenario. Asia is the major anthropogenic source area (25% of the deposition to the Arctic) followed by Europe (6%) and North America (5%), with the rest arising from the background concentration, and this is independent of the climate. DEHM predicts between a 6% increase (Status Quo scenario) and a 37% decrease (zero anthropogenic emissions scenario) in Hg deposition to the Arctic depending on the applied emission scenario, while the combined effect of future climate and emission changes results in up to 47% lower Hg deposition.

Authors+Show Affiliations

Department of Environmental Science and Arctic Research Centre, Aarhus University, Roskilde 4000, Denmark. kmh@envs.au.dk.Department of Environmental Science and Arctic Research Centre, Aarhus University, Roskilde 4000, Denmark. jc@envs.au.dk.Department of Environmental Science and Arctic Research Centre, Aarhus University, Roskilde 4000, Denmark. jbr@envs.au.dk.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26378551

Citation

Hansen, Kaj M., et al. "The Influence of Climate Change On Atmospheric Deposition of Mercury in the Arctic—A Model Sensitivity Study." International Journal of Environmental Research and Public Health, vol. 12, no. 9, 2015, pp. 11254-68.
Hansen KM, Christensen JH, Brandt J. The Influence of Climate Change on Atmospheric Deposition of Mercury in the Arctic—A Model Sensitivity Study. Int J Environ Res Public Health. 2015;12(9):11254-68.
Hansen, K. M., Christensen, J. H., & Brandt, J. (2015). The Influence of Climate Change on Atmospheric Deposition of Mercury in the Arctic—A Model Sensitivity Study. International Journal of Environmental Research and Public Health, 12(9), 11254-68. https://doi.org/10.3390/ijerph120911254
Hansen KM, Christensen JH, Brandt J. The Influence of Climate Change On Atmospheric Deposition of Mercury in the Arctic—A Model Sensitivity Study. Int J Environ Res Public Health. 2015 Sep 10;12(9):11254-68. PubMed PMID: 26378551.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The Influence of Climate Change on Atmospheric Deposition of Mercury in the Arctic—A Model Sensitivity Study. AU - Hansen,Kaj M, AU - Christensen,Jesper H, AU - Brandt,Jørgen, Y1 - 2015/09/10/ PY - 2015/06/30/received PY - 2015/08/12/revised PY - 2015/09/07/accepted PY - 2015/9/18/entrez PY - 2015/9/18/pubmed PY - 2016/4/29/medline KW - Arctic KW - climate change KW - long-range transport KW - mercury KW - modelling SP - 11254 EP - 68 JF - International journal of environmental research and public health JO - Int J Environ Res Public Health VL - 12 IS - 9 N2 - Mercury (Hg) is a global pollutant with adverse health effects on humans and wildlife. It is of special concern in the Arctic due to accumulation in the food web and exposure of the Arctic population through a rich marine diet. Climate change may alter the exposure of the Arctic population to Hg. We have investigated the effect of climate change on the atmospheric Hg transport to and deposition within the Arctic by making a sensitivity study of how the atmospheric chemistry-transport model Danish Eulerian Hemispheric Model (DEHM) reacts to climate change forcing. The total deposition of Hg to the Arctic is 18% lower in the 2090s compared to the 1990s under the applied Special Report on Emissions Scenarios (SRES-A1B) climate scenario. Asia is the major anthropogenic source area (25% of the deposition to the Arctic) followed by Europe (6%) and North America (5%), with the rest arising from the background concentration, and this is independent of the climate. DEHM predicts between a 6% increase (Status Quo scenario) and a 37% decrease (zero anthropogenic emissions scenario) in Hg deposition to the Arctic depending on the applied emission scenario, while the combined effect of future climate and emission changes results in up to 47% lower Hg deposition. SN - 1660-4601 UR - https://www.unboundmedicine.com/medline/citation/26378551/The_Influence_of_Climate_Change_on_Atmospheric_Deposition_of_Mercury_in_the_Arctic—A_Model_Sensitivity_Study_ L2 - https://www.mdpi.com/resolver?pii=ijerph120911254 DB - PRIME DP - Unbound Medicine ER -