An Estimation of Parameters for Homogenous Unconfined Aquifers using Delayed Yield Type Curves
Journal Title: International Journal of Civil, Structural, Environmental and Infrastructure Engineering Research and Development (IJCSEIERD) - Year 2019, Vol 9, Issue 4
Abstract
In order to know the groundwater potential in an area and to see the effect of pumping on groundwater system, it is important to know the aquifer parameters. Similarly, problems related to groundwater like scarcity of groundwater due to excessive pumping, contamination of groundwater etc., require a fairly accurate knowledge of these parameters. The present study aims at finding out the aquifer parameters, i. e., specific storage and transmissivity, for homogeneous and layered unconfined aquifer by using delayed yield type curves. Pumping tests were carried out in laboratory on groundwater abstraction apparatus to obtain the time drawdown curve, which were then utilized to calculate values of specific storage and transmissivity. Effect of the position of the observation well, with respect to the pumping well, on the consistency of result was analyzed. It was found that the observation well closer to the pumping well provided more consistent results compared to that which was farther, possibly due to boundary effects.
Authors and Affiliations
Prerna Agrawal, Lakshmi . V
Keywords
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- EP ID EP652897
- DOI 10.24247/ijcseierdaug20192
- Views 146
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