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- W2058453864 abstract "The lack of data on aquifer parameters such as hydraulic conductivity (K), transmissivity (T) and storativity (S) is a major problem bedeviling groundwater resources planners and managers in many developing countries like Nigeria. In these countries pumping-test analysis is rarely carried out during aquifer evaluation. Where done, the available data commonly are incomplete or unreliable. An attempt is made here to find alternative methods of aquifer analysis that are simpler and cheaper, and can yield usable K and T values in situations where pumping-test analysis has not been or cannot be done. Three grain-size statistical methods and Logan's (1964) approximation method were used to calculate K and T for the aquifers of the Ajali Formation of Nigeria. The resulting data are compared with those of pumping-test methods where available. It was found that the Masch and Denny (1966) statistical method gave values that are as reliable and useful as Logan's and other pumping-test methods. The Hazen (1893) and Harleman et al. (1963) statistical methods gave unreasonably high K and T values." @default.
- W2058453864 created "2016-06-24" @default.
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- W2058453864 date "1986-01-01" @default.
- W2058453864 modified "2023-10-14" @default.
- W2058453864 title "Comparative analysis of transmissivity and hydraulic conductivity values from the Ajali aquifer system of Nigeria" @default.
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- W2058453864 doi "https://doi.org/10.1016/0022-1694(86)90192-7" @default.
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