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A geographic data model for representing ground water systems.

Gil Strassberg¹, David R Maidment, Norm L Jones

¹Bureau of Economic Geology, Jackson School of Geosciences, University of Texas at Austin, University Station, Austin, TX 78713, USA. strassberg@beg.utexas.edu

|June 30, 2007

Summary

The Arc Hydro ground water data model offers a standardized GIS framework for managing spatial and temporal ground water data. This public domain template aids in storing, documenting, and analyzing crucial hydrogeologic information.

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Area of Science:

Geographic Information Systems (GIS)
Hydrogeology
Geospatial Data Management

Background:

Ground water data is often complex, involving both spatial and temporal components.
A standardized data model is needed for efficient storage, documentation, and analysis within GIS.
Existing systems may lack comprehensive capabilities for representing 3D ground water features and associated temporal data.

Purpose of the Study:

To describe the Arc Hydro ground water data model framework.
To present a simplified version including 2D and 3D object classes for key hydrogeologic features.
To demonstrate the integration of temporal data (water levels, quality) with spatial features.

Main Methods:

Development of a geographic data model using GIS principles.
Inclusion of two-dimensional and three-dimensional (3D) object classes for aquifers, wells, and boreholes.
Integration of tabular objects for temporal data linked to spatial features.

Main Results:

A public domain template for representing ground water systems in a spatial database.
A framework data model encompassing 3D geospatial context and temporal information.
Standardized methods for storing, documenting, and analyzing spatial and temporal ground water data.

Conclusions:

The Arc Hydro ground water data model provides a robust framework for hydrogeologic data management.
The model facilitates comprehensive analysis of spatial and temporal ground water dynamics.
This standardized approach enhances data accessibility and usability for GIS professionals.