Journal of Cave and Karst Studies - ISSN 1090-6924
Volume 64 Number 1: 77-81 - April 2002

A publication of the National Speleological Society

Public Datasets Integrated with GIS and 3-D Visualization Help Expand Subsurface Conceptual Model
Terri L. Phelan

Abstract

Public domain water well drilling logs were used to construct a 3-D visualization of the subsurface in a karst terrain. Subsurface displacements seen in the 3-D visualization model were shown to correlate with surface topography in the Digital Elevation Model (DEM). This methodology could improve the effectiveness of limited funding by using public datasets to contribute to conceptual hydrogeologic models. It could also identify areas that merit additional investigation which might have gone unnoticed otherwise.

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