Patterns of Ground‐Water Chemistry, Ross Creek Basin, Alberta, Canada

D. U. Ophori, J. Tóth

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

On the basis of the degree of mineralization, approximately 40 percent of the ground water in Ross Creek Basin may be considered as fresh (TDS < 2,000 ppm), and 60 percent as brackish (2,000 < TDS < 10,000 ppm). At least 70 percent of the ground water is potable within treatable limits. Major ion analyses of over 167 water samples reveal a strikingly consistent regional pattern of hydrochemistry. The hydrochemical pattern correlates with the flow pattern of ground water in the basin. Low total dissolved solids contents, high Ca2+:Mg2+ ratio, low SO42−, and high HCO3 occur in recharge areas, whereas opposite conditions are associated with discharge areas. In terms of hydrochemical facies, waters of the Ca‐Mg‐HCO3 and Na‐HCO3 types are dominant in recharge areas, and those of the Ca‐Mg‐SO4‐HCO3 and Na‐SO4‐HCO3 types prevail in discharge areas. The hydrochemical evolutionary trends appear to be strongly related to the flow paths.

Original languageEnglish
Pages (from-to)20-26
Number of pages7
JournalGroundwater
Volume27
Issue number1
DOIs
StatePublished - Jan 1989

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Groundwater
groundwater
recharge
Hydrochemistry
basin
hydrochemistry
regional pattern
flow pattern
Catchments
Flow patterns
Water
mineralization
water
ion
Ions
creek
trend

Cite this

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title = "Patterns of Ground‐Water Chemistry, Ross Creek Basin, Alberta, Canada",
abstract = "On the basis of the degree of mineralization, approximately 40 percent of the ground water in Ross Creek Basin may be considered as fresh (TDS < 2,000 ppm), and 60 percent as brackish (2,000 < TDS < 10,000 ppm). At least 70 percent of the ground water is potable within treatable limits. Major ion analyses of over 167 water samples reveal a strikingly consistent regional pattern of hydrochemistry. The hydrochemical pattern correlates with the flow pattern of ground water in the basin. Low total dissolved solids contents, high Ca2+:Mg2+ ratio, low SO42−, and high HCO3− occur in recharge areas, whereas opposite conditions are associated with discharge areas. In terms of hydrochemical facies, waters of the Ca‐Mg‐HCO3 and Na‐HCO3 types are dominant in recharge areas, and those of the Ca‐Mg‐SO4‐HCO3 and Na‐SO4‐HCO3 types prevail in discharge areas. The hydrochemical evolutionary trends appear to be strongly related to the flow paths.",
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Patterns of Ground‐Water Chemistry, Ross Creek Basin, Alberta, Canada. / Ophori, D. U.; Tóth, J.

In: Groundwater, Vol. 27, No. 1, 01.1989, p. 20-26.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Patterns of Ground‐Water Chemistry, Ross Creek Basin, Alberta, Canada

AU - Ophori, D. U.

AU - Tóth, J.

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N2 - On the basis of the degree of mineralization, approximately 40 percent of the ground water in Ross Creek Basin may be considered as fresh (TDS < 2,000 ppm), and 60 percent as brackish (2,000 < TDS < 10,000 ppm). At least 70 percent of the ground water is potable within treatable limits. Major ion analyses of over 167 water samples reveal a strikingly consistent regional pattern of hydrochemistry. The hydrochemical pattern correlates with the flow pattern of ground water in the basin. Low total dissolved solids contents, high Ca2+:Mg2+ ratio, low SO42−, and high HCO3− occur in recharge areas, whereas opposite conditions are associated with discharge areas. In terms of hydrochemical facies, waters of the Ca‐Mg‐HCO3 and Na‐HCO3 types are dominant in recharge areas, and those of the Ca‐Mg‐SO4‐HCO3 and Na‐SO4‐HCO3 types prevail in discharge areas. The hydrochemical evolutionary trends appear to be strongly related to the flow paths.

AB - On the basis of the degree of mineralization, approximately 40 percent of the ground water in Ross Creek Basin may be considered as fresh (TDS < 2,000 ppm), and 60 percent as brackish (2,000 < TDS < 10,000 ppm). At least 70 percent of the ground water is potable within treatable limits. Major ion analyses of over 167 water samples reveal a strikingly consistent regional pattern of hydrochemistry. The hydrochemical pattern correlates with the flow pattern of ground water in the basin. Low total dissolved solids contents, high Ca2+:Mg2+ ratio, low SO42−, and high HCO3− occur in recharge areas, whereas opposite conditions are associated with discharge areas. In terms of hydrochemical facies, waters of the Ca‐Mg‐HCO3 and Na‐HCO3 types are dominant in recharge areas, and those of the Ca‐Mg‐SO4‐HCO3 and Na‐SO4‐HCO3 types prevail in discharge areas. The hydrochemical evolutionary trends appear to be strongly related to the flow paths.

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