Title page for ETD etd-11212008-144809

Type of Document

Thesis

Author

Faulkner, Jonathan Allyn

Author's Email Address

faulkner@gly.fsu.edu

URN

etd-11212008-144809

Title

Laboratory Analog Study Of Groundwater Flow and Solute Transport in a Karst Aquifer with Conduit and Matrix Domains

Degree

Master of Science

Department

Geological Sciences, Department

Advisory Committee

Advisor Name	Title
Bill X. Hu	Committee Chair
James Tull	Committee Member
Stephen Kish	Committee Member

Keywords

Calibrate Numerical Model
Matrix Domain
Conduit Domain
Solute Transport
Groundwater Flow
Karst
Matrix
Conduit
Flow Cell
Laboratory Model
Bench Top Model
Hydrology
Laboratory Analog

Date of Defense

2008-11-19

Availability

unrestricted

Abstract

In this study, a laboratory analog is used to simulate the conduit and matrix domains of a Karst aquifer. The conduit domain is located at the bottom of the transparent plexiglas laboratory analog and glass beads occupy the remaining space to represent the matrix domain. Water flows into and out of the two domains separately and each has its own supply and outflow reservoirs. Water and solute are exchanged through an interface between the two domains. Pressure transducers located within the matrix and conduit domains of the analog provide data that is processed and stored in digital format. Dye tracing experiments are recorded using time-lapse imaging. The data and images produced are analyzed by a spatial analysis program. The results present a plausible argument that laboratory analogs can characterize groundwater water flow, solute transport, and mass exchange between the conduit and matrix domains in a Karst aquifer. The analog affirms the predictions of a numerical model and demonstrates the need of laboratory analogs to provide verification of proposed theories and the calibration of mathematical models. Quantification of solute and water exchange between conduit and matrix domains is needed is for accurately modeling groundwater flow and transport processes and that information is provided by this experimental study.

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