Land use, water quality and river-mouth loadings: A selective overview for Southern Ontario

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Authors

Ongley, Edwin D.
Broekhoven, L. H.

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International Joint Commission

Abstract

This report is based upon a long-term PLUARG program in the Department of Geography at Queen's University under the auspices of Canadian Task D, for the assembly, management and analysis of data holdings pertinent to the assessment of regional trends for the Canadian side of the Great Lakes. The analyses reported here are of two types. One is the examination of temporal trends of water quality at tributary mouths and the second is the identification of water quality-land use linkages. For the former, average annual mean values of phosphorus and chloride are derived from a large number of basins, whereas for the latter, data are averaged for individual basins over the period 1968-1972. In both cases, averaged data are required to overcome aberrations inherent in estimates of average water quality conditions derived from conventional stream monitoring programs (10-20 samples per site-year).

Description

Pollution from Land Use Activities Reference Group (PLUARG)
PLUARG Task "D"

Keywords

water quality, land use, phosphorus, phosphorus load, source contributions, tributary mouth

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