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SPDSS_Task50-1_Phase2_ReviewExistingDataCenteredApproachforGW
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SPDSS_Task50-1_Phase2_ReviewExistingDataCenteredApproachforGW
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Last modified
4/17/2013 9:27:35 AM
Creation date
6/11/2008 1:59:28 PM
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Template:
Decision Support Systems
Title
SPDSS Task 50.1 - Review of Existing Approaches to Development of a Data Centered Approach for the SPDSS Groundwater Component - Pase 2
Description
This Technical Memorandum summarizes the existing data centered modeling process that has been implemented by the State for the Rio Grande Decision Support System (RGDSS) and identifies candidate graphical user interface (GUI) tools for screening and selection in subsequent tasks.
Decision Support - Doc Type
Task Memorandum
Date
7/29/2005
DSS Category
Groundwater
DSS
South Platte
Basin
South Platte
Contract/PO #
C153953
Grant Type
Non-Reimbursable
Bill Number
SB01-157, HB02-1152, SB03-110, HB04-1221, SB05-084, HB06-1313, SB07-122
Prepared By
CDM
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3.0 Identification of Candidate Graphical User Interface Packages <br />The second aspect of this Task 50.1 evaluation is to identify and describe modeling GUI <br />packages that are candidates for future use under the SPDSS. This was undertaken to identify <br />whether other software packages might exist that represent significant advantages for the SPDSS <br />groundwater modeling over the currently implemented Data Centered Process described in <br />Section 2.0 of this TM. <br />A graphical user interface facilitates preparation of model input files and post-processing of <br />model output files. Some packages provide extensive visualization capabilities for both model <br />inputs and results. Control and data files for numerical models are voluminous and too complex <br />to prepare manually. Various commercial and public domain software packages have been <br />developed to increase the efficiency in preparing these files. A number of candidate software <br />packages have been identified for consideration in Task 50.1. The evaluation criteria for <br />preliminary screening are outlined in Section 3.1, while Section 3.2 identifies candidate packages <br />and screens those that will be retained for more detailed evaluation in Task 50.3. <br />3.1 Preliminary Evaluation Criteria <br />This evaluation is limited to approaches that have been implemented in commercially available <br />and well-supported software packages. Other data centered approaches have been documented <br />but either lack software support or an open source implementation so they will not be considered <br />further for use on the SPDSS. The following characteristics represent the minimum <br />requirements for selection of an interface package. <br />• The packages selected for evaluation must be flexible and able to pre- and post-process <br />data for numerous MODFLOW versions and the appropriate packages, including custom <br />versions of MODFLOW that have been developed by the State. <br />• Since much of the geographic-based data used in the SPDSS resides in GIS form using <br />ESRI software, the candidate packages selected for more detailed evaluation must be able <br />to exchange data using ESRI format shape files. <br />The interface packages must also be able to allow development of model information in a <br />grid-independent or conceptual model mode that can later be extended to a numerical <br />model form for execution. The ability of the interface to allow definition of conceptual <br />model elements independent of a particular model grid is considered the most critical <br />capability for the data centered modeling approach. This capability should include <br />elevations of unit boundaries, spatially distributed characteristics such as recharge, <br />evapotranspiration, hydraulic characteristics, surface water features and boundary <br />conditions. <br />• The interface packages must also provide the ability to interpolate data onto a model grid <br />and to provide graphical output of both model structure and results. <br />io <br />
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