Simultaneous Solution Of Coupled Surface Water/groundwater Flow Systems
Author(s)
O. Gunduz & M. M. Aral
Abstract
Simultaneous solution of coupled surface
waterlgroundwater flow systems
0. Gunduz & M. M. Aral
Multimedia Environmental Simulations Laboratory,
School of Civil and Environmental Engineering,
Georgia Institute of Technology, USA.
Abstract
The use of coupled models of hydrologic analysis, which includes more than one
component of the hydrologic cycle, is a common occurrence. Coupled models
tend to be more complex and their solution may suffer numerical complications.
In this study, we present a coupled hydrological model to simulate the interaction
between stream flow and groundwater flow. A one-dimensional stream flow
model using the complete form of the St Venant equation is coupled with a twodimensional
vertically averaged groundwater flow equation in an unconfined
aquifer. The governing equations of the two different hydrological domains are
linked with the recharge term at the river bed. The resulting coupled
mathematical model is solved simultaneously by linking the two hydrologic
system
Keywords
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