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Figure 1 Current Data Centered Modeling Process <br />3 <br />GIS Repository <br />- Base maps <br />-DEM <br />Springs and seeps <br />Structures (canals) <br />Irrigated lands <br />Wells <br />Non-irrigated lands <br />Gage locations <br />Diversion locations <br />HydroBase -Data <br />Warehouse <br />4 StateDMl (not <br />geographic)organized by <br />structure <br />- Diversions <br />-Climate data <br />- Precipitation <br />-Crop Coefficients <br />- Root zone depth <br />-Temperature <br />- Frost dates <br />i StateCU <br />- Canal losses <br />- Excess surface water <br />- Deep percolation in irrigated areas <br />- Native recharge <br />- Pumping <br />1 <br />Conceptual Model Development <br />- Define hydrostratigraphy <br />- Define aquifer areal extent <br />- Define processes to be simulated <br />- Identify model domain <br />- Identify boundary conditions <br />Basic Model Framework (GMS internal tools) <br />- Model grid <br />ModHead -Model layering <br />-Top and bottom aquifer elevations <br />-Aquifer properties/zonation <br />- Boundary Conditions <br />StateDGl (Avenue Scripts in ArcView) <br />- Process model structure to allocate <br />canal lengths to individual cells <br />- Match irrigated parcels to model cells <br />-Allocate wells to individual layers and <br />cells <br />-Define native recharge areas <br />-Identify non-irrigated areas <br />- well to parcel/structure allocation <br />8 <br />database for use in <br />StatePP <br />tream Package <br />10 processing <br />- shape2ste <br />6 Agg - rgrep <br />- Aggregate GIS data with - mkstr <br />structure IDs - mkq <br />-build <br />- ModEx <br />9 <br />StatePP <br />-Accumulate flux terms from structures <br />onto model cells <br />-Recharge package <br />- ET package <br />- Well package <br />- Drain package <br />Workflow Management <br />ModGUI -wrapper for <br />controlling pre-and <br />post-processing <br />Calibration <br />Loop <br />12 <br />Post-processing and translation programs <br />- ModGL (superceded) <br />- ModDel <br />- ModEt <br />- MkSum <br />- ModStr (superceded) <br />- MosBal <br />- ModHead <br />- ModParm <br />- ModCon <br />- ModRepEt <br />- ModRepSt (superceded) <br />- PM-Diamond <br />2 <br />Model Structure Export <br />- Model grid translated to <br />shape file in ArcView <br />extension <br />- Layer elevations translated <br />to Excel for use in well <br />processing <br />11 <br />GMS generated MODFLOW <br />package files <br />- Basic package <br />- BCF package <br />- GHB package <br />-Output control <br />_ c~i„o~ na~Uano <br />ng <br />PM-Diamond <br />visualization <br />