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^ Visualization capabilities (including both two- and three-dimensional displays) to assist in <br />presenting model results to the public and decision makers are necessary. <br />2.0 Process Enhancements <br />This section identifies the candidate modeling processes, their development activities, and the <br />priority for implementation based on meetings with and input from the State. The modeling <br />processes and software tools used for these processes are summarized on two tables, one for <br />model input and one for model output. <br />2.1 Model Input Process Enhancements <br />The model input process includes five major stages, as follow: <br />^ Conceptual model development <br />^ Model framework development <br />^ Model parameter development <br />^ Model execution <br />^ Model calibration <br />These modeling stages contain significant overlap, for example, during model calibration <br />various model parameters are modified to improve agreement with field observations. Table 1 <br />summarizes data handling processes that prepare data for model input, and the associated <br />stage in the input process. Prior to preparing model input files, the conceptual model for the <br />site must first be defined, since elements such as site hydrostratigraphic units are necessary <br />prior to structuring some of the data files. Table 1 includes each of the major data types that are <br />required to configure and run a simulation for a given hydrogeologic conceptual model. This <br />table provides, for each major data type, the source of the data, processes that are currently <br />used, along with recommended enhancements. The priority for implementing these <br />enhancements is also identified, based on discussions with the State and emphasizing those <br />processes that will be required for Phase 3 and 4 of the SPDSS. Processes that are associated <br />with later use of the calibrated model are deferred for later implementation. Four major areas <br />are proposed for enhancement, including the overall process workflow, stress-related packages <br />that utilize information from program StateCU, the stream package and model calibration. <br />Each of these priority areas for enhancement are described in following paragraphs. <br />The first major area for revision and enhancement is that of overall workflow management. <br />Currently, a program developed by the State, ModGUI, is used as a central process to prepare <br />individual control files and to manage execution of individual programs. This program <br />currently facilitates preparation of command and log files for individual applications. Program <br />ModGUI provides a framework that allows organizing the workflow using a simple menu <br />structure and file editor. Currently, the package provides a single point of access for editing <br />input files and examining program output. Modifications to this program are recommended to <br />allow sequential execution of multiple programs to further streamline the data centered <br />modeling process, where appropriate. The modular structure of this program will be <br />maintained, however, additional dialog boxes with appropriate help files will be added to <br />