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Arc Hydro Groundwater Data Model
Entry ID: CRWR_Arc_Hydro

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Summary

Abstract: Arc Hydro is one of a number of data models developed for users of ArcGIS. Such models include transportation, geology, marine, petroleum, water utilities, and others, describing a variety of disciplines that utilize GIS technology (ESRI, 2006). The purpose of these models is to develop a set of best practices geodatabase designs to help users implement GIS in a productive manner and to share ... information within user communities (Arctur et al, 2004). Arc Hydro is a data base design for storing hydrologic geospatial and temporal information within a geographic information system. The database and accompanying toolset operate within the ArcGIS environment and are public domain. Originally, the data model focused on surface water data, but it became apparent that a similar model is needed for storing and sharing groundwater information.

The following objectives were defined to guide the ground water data model design:

1. The data model should support representation of regional groundwater systems.

2. The data model should support representation of site-scale groundwater systems.

3. The data model should enable the integration of surface and groundwater information (through the integration with the Arc Hydro surface water data model).

4. The data model should facilitate the extraction of archived groundwater data for use with groundwater simulation software, and will support the storage and display of solutions computed by groundwater simulation models.

Rather than trying to anticipate all the different types of groundwater data that can potentially be stored in a geodatabase, the focus was set on describing ground water information in terms of raw field data and conceptual representations of the primary features in a hydrogeologic system. This allows the data model to be used as a tool for archiving and sharing groundwater data for a wide variety of applications. The importance of three-dimensional GIS in the characterization of the subsurface has been widely emphasized (Bohman-Carter, 2000; Moore et al, 1993; Turner, 1989 and 2000). An effort was made to include three dimensional features (i.e. solids, cross sections) as much as possible to reflect the nature of hydrogeologic systems.

The data model design outlines three components for the data model: Hydrogeology, Simulation, and Temporal information (Figure 2). These are arranged into feature datasets, tables, and raster catalogs. The Hydrogeology component is a set of vector feature classes, tables, and raster catalogs that describe the hydrogeology of an aquifer system. The dataset includes representations of two-dimensional features such as wells and aquifer outlines, and three-dimensional classes to describe hydrostratigraphy, solid volumes, and cross sections. The modeling component is a set of vector features that represent common modeling objects. These feature classes can represent computational grids such as finite difference grids and enable storage and presentation of model inputs and outputs. Temporal information is represented with the Arc Hydro tabular structures for representing time series (TimeSeries and TSType tables) and the RasterSeries raster catalog represents gridded temporal information.

[Summary provided by the University of Texas.]

Description: Get source code for the Arc Hydro groundwater toolbar.

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Caption Description: The four components of the Arc Hydro framework for surface water

Service Citation

Originators: Gil Strassberg, David R. Maidment, Norman L. Jones
Title: Arc Hydro Groundwater Data Model
Provider: University of Texas at Austin
URL: http://www.crwr.utexas.edu/gis/gishydro06/Groundwater/ArcHydroGroun...

Service Keywords

MODELS >COMPONENT PROCESS MODELS

Science Keywords

TERRESTRIAL HYDROSPHERE >GROUND WATER

TERRESTRIAL HYDROSPHERE >SURFACE WATER >DRAINAGE

TERRESTRIAL HYDROSPHERE >SURFACE WATER >WATERSHED CHARACTERISTICS

Access Constraints None

Ancillary Keywords

GIS
Geographic Information Systems

Service Provider

UTX-AUSTIN/ENGR/CRWR > Center for Research in Water Resources, Bureau of Engineering Research, University of Texas at Austin

Service Organization URL: http://www.crwr.utexas.edu/

Service Provider Personnel
Name: GIL STRASSBERG Phone: 512-471-5739 Email: gil.strassberg at beg.utexas.edu Contact Address: Bureau of Economic Geology University of Texas at Austin City: Austin Province or State: TX Postal Code: 78712 Country: USA

Distribution Media

Distribution_Media: Online
Fees: No fees

Personnel

TYLER B. STEVENS
Role: SERF AUTHOR
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA

GIL STRASSBERG
Role: TECHNICAL CONTACT
Phone: 512-471-5739
Email: gil.strassberg at beg.utexas.edu
Contact Address:
Bureau of Economic Geology
University of Texas at Austin
City: Austin
Province or State: TX
Postal Code: 78712
Country: USA

Publications/References

Arctur, D., Zeiler, M. (2004). Designing Geodatabase Case Studies in GIS Data Modeling. ESRI Press.

Creation and Review Dates

SERF Creation Date: 2008-01-02
SERF Last Revision Date: 2008-01-02

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