Abstract

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Paper
A Geodatabase for Groundwater Modeling in MLAEM and MODFLOW
Track: Water Resources
Author(s): Eric Bernard, David Steward, Philippe Le Grand

A single geodatabase is created to facilitate groundwater modeling with both the Analytic Element Method (AEM) and the Finite Difference method (MODFLOW). The geodatabase schema follows the Arc Hydro data model and furthers the development of the groundwater data model by including objects for use with MLAEM (Multi-Layer Analytic Element Model). The groundwater geodatabase relies upon hydrogeology features common to previous Arc Hydro data models, which are related to modeling objects specific to either MLAEM or MODFLOW. By sharing common hydrogeology features and establishing common features such as boundary conditions, both MLAEM and MODFLOW model inputs are streamlined from ArcGIS feature datasets readily available from FGDC clearinghouses. Additionally, the groundwater geodatabase structure affords efficient creation of inputs for MLAEM using Python Scripts. Groundwater model results from MLAEM are returned to the geodatabase for storage and visualization.

Eric Bernard
Kansas State University
Landscape Architecture Planning
302 Seaton Hall
Manhattan , KS 66506-2909
US
Phone: 785-532-5961
Fax: 785-532-6722
E-mail: ebernard@ksu.edu

David Steward
Kansas State University
Civil Engineering
2118 Fiedler Hall
Manhattan , KS 66506-5000
US
Phone: 785-532-1585
E-mail: steward@ksu.edu

Philippe Le Grand
Private Consultant
1013 11th Avenue South Number 1
Hopkins , MN 55343
US
Phone: 952-933-2357
E-mail: aemphil@earthlink.net

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