3 record(s) found for principle investigator "Edwards, Thomas W.D." (multi-year projects are grouped):
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Evaporation Studies at Northern Mine Sites
Principal Investigator: Edwards, Thomas W.D.
Licenced Year(s): 1993
Summary: The proposed research is part of an ongoing program of hydrological studies in the north aimed at improving our understanding of how water cycles through natural drainage systems. This year, I will examine water evaporation on lakes and ponds that are located on mine sites: results from this research will aid in the design of better tailings impoundments containing mine wastes/contaminants....


Isotope Hydrology and Geochemistry Studies, Manners Creek Basin, N.W.T.
Principal Investigator: Edwards, Thomas W.D.
Licenced Year(s): 1990
Summary: The Researcher and his assistant will collect samples of snow, rain, stream water, pond water and ground water from undisturbed sites in the Manners Creek Basin. Measurements of naturally occurring chemicals and isotopes in surface and subsurface waters will be used to study the movement and mixing of waters in a boreal watershed in the zone of continuous permafrost....


Recent Deposition of Sediments and Air-borne Contaminants in some Central Keewatin Lakes, NWT
Principal Investigator: Edwards, Thomas W.D.
Licenced Year(s): 1988
Summary: Dr. Edwards is collecting soil samples from the bottom of a lake to determine what types of contaminants have settled from the air into the water. He is also collecting water samples from lakes, rivers, and in the ground to learn more about how rain water and melt water move through earth which has permafrost below it....


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