Groundwater Resources of the Deep Aquifer Systems in
NW-Jordan: Hydrogeological and Hydrogeochemical Quasi 3-Dimensional Modelling.
Keywords: 3-Dimensional Modelling, Jordan, Deep Groundwater, Hydrgeochemistry
Abstract: In this work, the hydrogeological and hydrogeochemical
characteristics of the northwestern part of Jordan have been studied and
investigated. In addition, a conceptual hydrodynamic model was constructed
which shows that an upward leakage from the lower aquifer (Kurnub) to
the upper aquifer (B2 - A7) is taking place. in an attempt to quantify
the amount of upward leakage as well as the thermodynamics of both aquifers,
four hydrogeochemical models were constructed, using hydrogeochemical
data from relevant wells and springs of the B2 - A7 and Kurnub aquifers.
By using the results of the above mentioned hydrgeological and hydrogeochemical
investigations and by coupling the mixing ratios and the available hydraulic
properties of both aquifers, a quasi three-dimensional groundwater flow
model is built and calibrated, which adequately represents the historical
behavior of the system. The steady-state runs of the model were used to
calculate the subsurface inflows as well as outflows of both aquifers.
In the nonsteady-state runs two schemes were tested; an optimal scheme
for the pumping rates from the aquifer and the other with the effects
of the present abstraction rates on the hydrogeological and hydrogeochemical
situation of the aquifer.
Paper language: english
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