Due to scarcity of potable water in most rural and urban settings in Ekiti State, rainwater harvesting from rooftop has been favoured as an alternative source of water supply. This study investigated the physicochemical characteristics of rainwater harvested from four different rooftop sheets in Ikole-Ekiti and its environs. Samples were collected three times from the month of June to August, 2018. Parameters investigated include pH, Total Dissolved Solid (TDS), Turbidity, Electrical Conductivity (EC), Alkalinity, Total Hardness, Ca
The study area is about 40 km 2 that is (8 km × 5 km) which is located in Gwarzo Local Government area of Kano State part of Malumfashi sheet 79NE which lies within Longitude E07°57'19.5" and E08°00'00" and Latitude N11° 51'30"andN11°47'00. Major rock types identified include medium grained biotitemuscovite granite, coarse grained muscovite-biotite granites, quartz-syenite, and quartz-monzonites. Most of the crystals show subhedral to anhedral form and a perfect cleavage is somehow visible. The interference colours observed under cross-polarized light include blue, dark grey, light grey, some pinkish colour and brown colour which disappear upon the stage rotation. Albite and Carlsbad twinning are seen and used to identify the feldspars. Various structural features were observed with NE-SW trend which represents the final imprint of the Pan-African orogeny.
Oil exploration in Nigeria causes serious environmental degradation. Little is known about the effects of crude oil spillage on soils found in northern Nigeria where oil exploration started less than two years ago (2018). This research is a comparative analysis of the effect of crude oil on contaminated and uncontaminated soil typically found in northern Nigeria. Five Trial pits were dug at Bayero University Kano, two of the trial pits were filled with 20 litres of crude oil while the remaining three trial pits were left uncontaminated and used as control. The crude oil was allowed to infiltrate into the soil for about six (6) weeks before samples of soil were obtained for laboratory analysis. Maximum dry density (MDD), natural moisture content, California Bearing Ratio CBR value, cohesion, and Atterberg limits test were used to analyse the soils. Average natural moisture content was found to be 21 % for uncontaminated soil and 8% for contaminated soil, the MDD value was 1.80 g/cm3 for uncontaminated soil and 1.67g/cm3 for contaminated soil, the CBR changes from 25 % to 6 % while cohesion decreased by 48 % for the contaminated soil respectively. The results show negative consequences for road and building constructions in the simulated crude oil contaminated area.
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