Contaminants in the Canadian Arctic: 5 years of progress in understanding sources, occurrence and pathways von Macdonald, R.W., Barrie, L.A., Bidleman, T.F., Diamond, M.L., Gregor, D.J., Semkin, R.G., Strachan, W.M.J., Li, Y.F., Wania, F., Alaee, M., Alexeeva, L.B., Backus, S.M., Bailey, R., Bewers, J.M., Gobeil, C., Halsall, C.J., Harner, T., Hoff, J.T., Jantunen, L.M.M., Lockhart, W.L., Mackay, D., Muir, D.C.G., Pudykiewicz, J., Reimer, K.J., Smith, J.N., Stern, G.A, Schroeder, W.H., Wagemann, R., Yunker, M.B.

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Nitrate attenuation in a small temperate wetland following forest harvest von Spoelstra, J., Schiff, S.L., Semkin, R.G., Jeffries, D.S., Elgood, R.J.

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Climate-Induced Episodic Acidification of Streams in Central Ontario von Laudon, H, Dillon, P. J, Eimers, M. C, Semkin, R. G, Jeffries, D. S

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Paired-basin comparison of hydrologic response in harvested and undisturbed hardwood forests during snowmelt in central Ontario: II. Streamflow sources and groundwater residence ti... von Monteith, S. S., Buttle, J. M., Hazlett, P. W., Beall, F. D., Semkin, R. G., Jeffries, D. S.

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Paired-basin comparison of hydrological response in harvested and undisturbed hardwood forests during snowmelt in central Ontario: I. Streamflow, groundwater and flowpath behaviour von Monteith, S. S., Buttle, J. M., Hazlett, P. W., Beall, F. D., Semkin, R. G., Jeffries, D. S.

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The isotopic composition of nitrate produced from nitrification in a hardwood forest floor von Spoelstra, J., Schiff, S.L., Hazlett, P.W., Jeffries, D.S., Semkin, R.G.

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Hydrochemistry and mercury cycling in a High Arctic watershed von Semkin, Raymond G., Mierle, Greg, Neureuther, Roy J.

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Hydrologic response to and recovery from differing silvicultural systems in a deciduous forest landscape with seasonal snow cover von Buttle, J.M., Beall, F.D., Webster, K.L., Hazlett, P.W., Creed, I.F., Semkin, R.G., Jeffries, D.S.

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Trends in the Output of First-Order Basins at Turkey Lakes Watershed, 1982-96 von Beall, Fredrick D., Semkin, Ray G., Jeffries, Dean S.

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Hydrologic Pathways during Snowmelt in First-Order Stream Basins at the Turkey Lakes Watershed von Hazlett, Paul W., Semkin, Ray G., Beall, Frederick D.

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Influence of atmospheric deposition on lake mass balances in the Turkey Lakes watershed, central Ontario von Jeffries, D.S, Semkin, R.G, Neureuther, R, Seymour, M, Nicolson, J.A

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Drought induced pulses of SO sub(4), from a Canadian shield wetland: use of delta super(34)S and delta super(18)O in, to determine sources of sulfur von Schiff, S L, Spoelstra, J, Semkin, R G, Jeffries, D S

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Drought Induced Pulses of SO sub(4) super(2-) from a Canadian Shield Wetland: Use of delta super(34)S and delta super(18)O in SO sub(4) super(2-) to Determine Sources of Sulfur von Schiff, S L, Spoelstra, J, Semkin, R G, Jeffries, D S

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Effect of Storage on the Isotopic Composition of Nitrate in Bulk Precipitation von Spoelstra, John, Schiff, Sherry L, Jeffries, Dean S, Semkin, Ray G

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Storage and release of major ionic contaminants from the snowpack in the Turkey Lakes Watershed von Semkin, R G, Jeffries, D S

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Tracing the Sources of Exported Nitrate in the Turkey Lakes Watershed Using super(15)N/ super(14)N and super(18)O/ super(16)O isotopic ratios von Spoelstra, J, Schiff, S L, Elgood, R J, Semkin, R G, Jeffries, D S

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Drought induced pulses of SO2-4 from a Canadian shield wetland: use of δ34S and δ18O in SO2-4 to determine sources of sulfur von SCHIFF, S. L, SPOELSTRA, J, SEMKIN, R. G, JEFFRIES, D. S

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A preliminary assessment of the chemical and hydrological interaction of acidic snowmelt water with the terrestrial portion of a Canadian Shield catchment von English, M C, Jeffries, D S, Foster, N W, Semkin, R G, Hazlett, P W

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Development of stream water chemistry during spring melt in a northern hardwood forest von Semkin, R G, Hazlett, P W, Beall, F D, Jeffries, D S

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Temporal trends in water chemistry in the Turkey Lakes watershed, Ontario, Canada, 1982-1999 von Jeffries, D S, Semkin, R G, Beall, F D, Franklyn, J

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