Peer-Reviewed Journal Publications

19. St.Pierre, K.A., V. St.Louis, J. Kirk, I. Lehnherr, S. Wang, C. La Farge. 2015. The importance of open marine waters to the enrichment of total mercury and monomethylmercury in lichens in the Canadian High Arctic. Environmental Science & Technology, 49: 5930-5938 (IF: 5.5, 5-Year IF: 6.3). Full-Text   SI

18. Steffen A., Lehnherr, I., A. Cole, P. Ariya, A. Dastoor, D. Durnford, J. Kirk, M. Pilote. 2015. Atmospheric Mercury in the Canadian Arctic. Part I: A review of recent field measurements. Science of the Total Environment, 509-510: 3-15 (IF: 3.2, 5-yr IF: 3.9). Full-Text

17. Dastoor A., A. Ryzhkov, D. Durnford, Lehnherr, I., A. Steffen. 2015. Atmospheric Mercury in the Canadian Arctic Part II: Insight from Modeling. Science of the Total Environment, 509-510: 16-27. Full-Text

16. Chételat, J. and 22 others, including Lehnherr, I. 2015. Mercury in freshwater ecosystems of the Canadian Arctic: Recent advances on its cycling and fate. Science of the Total Environment, 509-510: 41-66. Full-Text

15. Braune, B. and 18 others, including Lehnherr, I. 2015. Mercury in the marine environment of the Canadian Arctic: A review of recent data. Science of the Total Environment, 509-510: 67-90. Full-Text

14. Baya, P.A., M. Gosselin, Lehnherr, I., V.L. St. Louis and H. Hintelmann. 2015. Determination of monomethylmercury and dimethylmercury in the Arctic lower atmosphere. Environmental Science & Technology, 49: 223-232. Full-Text   SI

13. Kirk, J.L., D.C.G. Muir, A. Gleason, X. Wang, R. Frank and Lehnherr, I. 2014. Atmospheric deposition of mercury and methylmercury to landscapes and waterbodies of the Athabasca Oil Sands Region. Environmental Science & Technology, 48: 7374-7383 (American Chemical Society Editor’s Choice). Full-Text

12. Emmerton, C.A., V.L. St. Louis, Lehnherr, I., E.R. Humphreys, E. Rydz, and H. Kosolofski. 2014. Net exchange of methane with high Arctic landscapes during the summer growing season. Biogeosciences, 11: 3095-3106 (IF: 3.8, 5-yr IF: 4.6). Full-Text   SI

11. Lehnherr, I. 2014. Methylmercury biogeochemistry: A review with special reference to Arctic aquatic ecosystems. Environmental Reviews, 22: 229-243 (Editor’s Choice; IF: 2.4, 5-yr IF: 3.3). Full-Text

10. Kirk, J.L., Lehnherr, I. (co-lead author), M. Andersson, B. Braune, L. Chan, A.P. Dastoor, D. Durnford, A.L. Gleason, L.L. Loseto, A. Steffen, and V.L. St. Louis. 2012. Mercury in Arctic marine environments: sources, pathways and exposure. Environmental Research, 119: 64-87 (IF: 4.0, 5-yr IF: 4.0). Full-Text

9. Lehnherr, I., J. L. Kirk and V. L. St. Louis. 2012. Methylmercury cycling in high Arctic wetlands: controls on sedimentary production. Environmental Science & Technology, 46: 10523-10531 (Featured on the cover of ES&T). Full-Text   SI

8. Lehnherr, I., V.L. St. Louis, C.A. Emmerton, J.D. Barker and J.L. Kirk. 2012. Methylmercury cycling in high Arctic wetlands: sources and sinks. Environmental Science & Technology, 46: 10514-10522 (Featured on the cover of ES&T). Full Text   SI

7. Lehnherr, I., V.L. St. Louis, H. Hintelmann and J.L. Kirk. 2011. Methylation of inorganic mercury in polar marine waters. Nature Geoscience, 4: 298-302  (IF: 11.7, 5-yr IF: 13.9). Full-Text   SI

6. St. Louis, V.L., A. Derocher, I. Stirling, J.A. Graydon, C. Lee, E. Jocksch, E. Richardson, S. Ghorpade, A.K. Kwan, J.L. Kirk, Lehnherr, I. and H.K. Swanson. 2011. Climate-induced changes in foodweb structure affecting mercury levels in Polar Bears (Ursus maritimus). Environmental Science & Technology, 45: 5922-5928. Full-Text

5. Mowat, L.D., V.L. St. Louis, J.A. Graydon, and Lehnherr, I. 2011. Influence of forest canopies on the deposition of methylmercury to boreal ecosystem watersheds. Environmental Science & Technology, 45: 5178-5185. Full-Text   SI

4. Lehnherr, I. and V. L. St. Louis. 2009. Importance of ultraviolet radiation in the photodemethylation of methylmercury in freshwater ecosystems. Environmental Science & Technology, 43: 5692-5698. Full-Text   SI

3. Graydon, J. A., V. L. St. Louis, H. Hintelmann, S. E. Lindberg, K. A. Sandilands, J. W. M. Rudd, C. A. Kelly, M. T. Tate, D. P. Krabbenhoft, and I. Lehnherr. 2009. Investigation of uptake and retention of atmospheric Hg(II) by boreal forest plants using stable Hg isotopes. Environmental Science & Technology, 43: 4960-4966. Full-Text   SI

2. Kirk, J. L., V. L. St. Louis, H. Hintelmann, I. Lehnherr, B. Else and L. Poissant. 2008. Methylated mercury species in marine waters of the Canadian high and sub Arctic. Environmental Science & Technology, 42: 8367-8373. Full-Text   SI

1. St. Louis, V. L., H. Hintelmann, J. A. Graydon, J. L. Kirk, J. Barker, B. Dimock, M. J. Sharp, and I. Lehnherr. 2007. Methylated mercury species in polar marine surface water and snowpacks. Environmental Science & Technology, 41: 6433-6441. Full-Text   SI


Peer-Reviewed Reports and Book Chapters:

4. Lehnherr, I. (lead author) and 17 others. 2015. Processes Contributing to the Net Production of Methylmercury in Canadian Freshwater Ecosystems. Ch. 6. In: Canadian Mercury Assessment Report, Ed. A. Steffen. Environment Canada, Clean Air Regulatory Agenda Mercury Science Program, in press.

3. Lehnherr, I., contributing author to: Chen, C. Y., C. T. Driscoll, K. F. Lambert, R. P. Mason, L. Rardin, C. V. Schmitt, N. S. Serrell, E. M. Sunderland. 2012. Sources to Seafood: Mercury Pollution in the Marine Environment. Hanover, NH: Toxic Metals Superfund Research Program, Dartmouth College. Full-Text

2. Chételat, J. and 19 others, including I. Lehnherr. 2012.Marine Environment. Ch. 6. In: Canadian Arctic Contaminants Assessment Report III: Mercury in Canada’s North. Eds. J. Chételat and B. Braune. Aboriginal Affairs and Northern Development Canada, Northern Contaminants Program. Full-Text

1. Chételat, J. and 22 others, including I. Lehnherr. 2012. Freshwater Environment. Ch. 5. In: Canadian Arctic Contaminants Assessment Report III: Mercury in Canada’s North. Eds. J. Chételat and B. Braune. Aboriginal Affairs and Northern Development Canada, Northern Contaminants Program. Full-Text


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