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Task 50.1 Review of Existing Approaches <br />Approach: <br />• The Consultant will meet with the State's Colorado River DSS and Rio Grande DSS <br />development teams to define the current data centered modeling processes and tools that have <br />been implemented for both surface and ground water modeling. The sources of data and <br />methodology currently utilized by these teams will be summarized in workflow diagrams. <br />Available programs and documentation will be inventoried and reviewed for consideration in <br />the data centered ground water design. Analysts from the State and other SPDSS consultants <br />will be interviewed to identify deficiencies in current approaches and suggested areas for <br />improvement. Two four-hour working meetings with the CRDSS and RGDSS teams are <br />planned. Each of these meetings will include a demonstration by the State's team of the <br />process involved in moving data through process definition and model configuration to model <br />output. <br />� Other data centered approaches will be identified and at least two of these will be selected for <br />more detailed evaluation to identify features that may be beneficial for incorporation into the <br />SPDSS system. Candidate systems will include both integrated commercial software systems, <br />such as Groundwater Vistas, Visual Modflow, MIKE-SHE, USGS/Argus, and generalized <br />approaches such as implemented by the City of Aurora for their alluvial well field model, or <br />the Wyoming Groundwater Modeler system. The selected approaches will be summarized <br />and workflow diagrams developed. Attributes of these systems that appear to be beneficial to <br />the SPDSS will be identified. <br />• A review meeting will be held with the State to discuss preliminary findings. <br />Deliverables: <br />Draft and Final Technical Memoranda (TM) up to 10 pages in length will be prepared that <br />will summarize the results of this task. This TM will summarize the existing data centered <br />approaches that were evaluated, including workflow and tools that are utilized. Each <br />deliverable (draft and final) will include 6 paper copies, plus source files in Microsoft Word <br />and Adobe Acrobat format. The final TM will incorporate the State's comments and <br />recommendations. <br />Task 50.2 Definition of Requirements for SPDSS Data Centered Approach <br />Approach: <br />• Based on the results of Task 50.1, a 4 hour meeting will be held with the State to define data <br />sources, processes and tools to facilitate the data centered approach to ground water modeling. <br />Prior to the meeting, approximately 3 representatives of the user community will be queried <br />by phone to identify those features that are most important to them to consider for <br />SPDSS Groundwater SOW, Phase 2 25 <br />