Search Results - "Clair, T.A."

Biological Mercury Hotspots in the Northeastern United States and Southeastern Canada by EVERS, DAVID C, HAN, YOUNG-JI, DRISCOLL, CHARLES T, KAMMAN, NEIL C, GOODALE, M. WING, LAMBERT, KATHLEEN FALLON, HOLSEN, THOMAS M, CHEN, CELIA Y, CLAIR, THOMAS A, BUTLER, THOMAS

“…Biological mercury (Hg) hotspots were identified in the northeastern United States and southeastern Canada using a data set of biotic Hg concentrations. Eight…”
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Predicting export of dissolved organic carbon from forested catchments in glaciated landscapes with shallow soils by Creed, I.F, Beall, F.D, Clair, T.A, Dillon, P.J, Hesslein, R.H

“…This study presents a simple model of dissolved organic carbon (DOC) loading to surface waters that is applicable to headwater catchments in forested regions…”
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The underestimation of concentrations of dissolved organic carbon in freshwaters by Koprivnjak, J-F., Blanchette, J.G., Bourbonniere, R.A., Clair, T.A., Heyes, A., Lum, K.R., McCrea, R., Moore, T.R.

“…We analysed a potassium biphthalate standard, a certified reference material and ten sets of freshwater samples (3.1–45.0 mg 1 −1) for dissolved organic carbon…”
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Long-term trends in catchment organic carbon and nitrogen exports from three acidified catchments in Nova Scotia, Canada by Clair, T. A, Dennis, I. F, Vet, R, Laudon, H

“…We sampled two streams in southwestern Nova Scotia from 1983 to 2004 and one stream from 1992 to 2004 for total organic carbon (TOC) and nitrogen (TN) in order…”
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Dissolved organic carbon and dissolved organic nitrogen export from forested watersheds in Nova Scotia: Identifying controlling factors by Aitkenhead-Peterson, J.A, Alexander, J.E, Clair, T.A

“…Riverine nutrient export represents a transfer of terrestrial nutrients to lakes, estuaries and the near‐coastal zone. In this study, we constructed regional…”
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Liming for the mitigation of acid rain effects in freshwaters: A review of recent results by Clair, T.A, Hindar, A

“…Acid rain has affected freshwater ecosystems for more than 50 years in much of northern Europe and North America. The acidification of waters, along with…”
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Past and future changes to acidified eastern Canadian lakes: A geochemical modeling approach by Clair, T.A., Aherne, J., Dennis, I.F., Gilliss, M., Couture, S., McNicol, D., Weeber, R., Dillon, P.J., Keller, W., Jeffries, D.S., Page, S., Timoffee, K., Cosby, B.J.

“…As SO 2 emissions are being reduced in North America, it has become important to know how rapidly the surface water chemistry of aquatic systems will recover…”
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Gaseous carbon dioxide and methane, as well as dissolved organic carbon losses from a small temperate wetland under a changing climate by Clair, T.A, Arp, P, Moore, T.R, Dalva, M, Meng, F.-R

“…The export of dissolved organic carbon from wetlands is projected to double by 2050 under climate change scenarios and increases in atmospheric carbon dioxide…”
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Trends in pH calcium, and sulfate of rivers in Atlantic Canada by Clair, Thomas A., Whitfield, Paul H.

“…Acid precipitation is affecting the chemistry of rivers in Atlantic Canada. Long term records for pH, calcium, and sulfate from 11 rivers were fitted using…”
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Changes in freshwater carbon exports from Canadian terrestrial basins to lakes and estuaries under a 2xCO2 atmospheric scenario by Clair, T.A, Ehrman, J.M, Higuchi, K

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impact of ultraviolet-B radiation on the motility of the freshwater epipelic diatom Nitzschia lineariz by Moroz, A.L, Ehrman, J.M, Clair, T.A, Gordon, R.J, Kaczmarska, I

“…Depletion of the stratospheric ozone layer has been of increased concern due to correlated increases in ambient ultraviolet radiation. Our research…”
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Backcasting to Test the Use of Neural Networks for Predicting Runoff in Canadian Rivers by Ehrman, J.M., Higuchi, K., Clair, T.A.

“…We constructed neural network models for nine selected Canadian rivers to see if we could predict monthly surface runoff. We used as inputs current and…”
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Organic contaminants in isolated lakes of southern Labrador, Canada by LOCKERBIE, D. M, CLAIR, T. A

“…Between 1980 and 1984 water, sediment and fish sampled at 4 sites in each of 5 remote lakes (Brule, Fonteneau, Donquan, St. Augustin, St. Paul) were analysed…”
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Physical factors controlling summer distribution of chlorophyll a off southwestern Nova Scotia [Canada] by Fournier, R. O., van Det, M., Hargreaves, N. B., Wilson, J. S., Clair, T. A., Ernst, R.

“…Three cruises were taken in summer off southwestern Nova Scotia to elucidate the mechanisms which contribute to the high levels of biological productivity in…”
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Environmental Status of Several Shubenacadie River Headwater Lakes, Nova Scotia, Canada by Mudroch, A.

“…The Shubenacadie River basin is the largest watershed in Nova Scotia, Canada, encompassing an area of approximately 2,800 km² and supporting one of the most…”
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