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- W1996201737 abstract "This work evaluated the variational impacts of landuse patterns on groundwater quality in Ogbomosho and its environs. Two representative samples each, were obtained from locations closest to areas, where hospitals, car wash, mechanic workshop, market, Motor Park, burial ground, farming, refuse dump site, soak away, petrol station, cottage industries (block making and saw-mill), and residential areas were observed. Samples were subsequently subjected to standard analytical procedures. The ranges of results for the physico-chemical and biological parameters analyzed include pH (5.0-8.6), TDS (149.38 - 833.03 mg/1), Ca hardness (26.0 - 194.0mg/1), Mg hardness (10.0-181.0 mg/1,Ca2+ (7.8-18.6 mg/1, and Mg2+ (2.24-45.0 mg/1. Others include HCO3 (40.0-160.0 mg/1, SO42- (0.1-99.0 mg/1), Total Fe (0.1-5.4 mg/1, Mn2+ (0.01-0.12 mg/1), CI- (3.43-686 mg/1) and total coliform (0-1100 MPN/100m1). The analytical results how that major ionic concentration fall below the highest desirable limits of global drinking water standards. However, low average pH valves were observed in samples obtained from refuse dump sites (5.1), soak-away (5.7) and petrol stations (6.0), while high average total iron concentrations (measured in mg/g were observed in samples obtained form petrol stations (1..1) burial grounds (2.1), soak away (1.1), and refuse dump sites (1.9). Samples from mechanic workshops indicate high average value of chloride content of 655.5 mg/1. Anomalously high average value of total coliform numbers (measured in MPN/10ml) observed in sample obtained from farming area (232), soak way area (142), motor parks (555) and market places (22), indicate wide spread contamination. Generally, activities which include, farming, hospital cottage industries, residential and market places have minimal effects on groundwater resources. However, activities such as petrol stations, burial ground, car wash, mechanic workshop, soak-away, refuse dump sites and motor parks show grievous impacts on the quality of groundwater and therefore need to be zoned out of the area that have been demarcated for future groundwater resources development. Key Words: Groundwater, Landuse, Environment, Activity, Representative [Global Jnl Environ Sci Vol.1(1) 2002: 35-42]" @default.
- W1996201737 created "2016-06-24" @default.
- W1996201737 creator A5042003048 @default.
- W1996201737 date "2002-01-01" @default.
- W1996201737 modified "2023-09-24" @default.
- W1996201737 title "Preliminary assessment of the environmental impacts of landuse patters on groundwater quality" @default.
- W1996201737 doi "https://doi.org/10.4314/gjes.v1i1.2395" @default.
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