C2VSim Fine Grid (C2VSim-FG) Version Development & Applications

Transcription

1 C2VSim Fine Grid (C2VSim-FG) Version Development & Applications 2014 CWEMF Annual Meeting February 24, 2014 Presenters: Ali Taghavi & Mesut Cayar Collaborators: Reza Namvar (RMC), Jim Blanke (RMC), Tariq Kadir (DWR), Charlie Brush (DWR) Dan Wendell (TNC), Maurice Hall (TNC) Complex Challenges Innovative Solutions rmcwater.com

2 Outline C2VSim History C2VSim-FG Development C2VSim ArcGIS GUI C2VSim-FG Applications

3 C2VSim History 1990 Enhance IGSM & create CVGSM ( ) Update CVGSM ( ) DWR synthesis to IGSM IWFM and C2VSIM Conversion ( ) C2VSIM integration with Calsim-III C2VSIM calibration Update C2VSim ( ) Spatial refinement of the grid and model files

4 C2VSim Fine Grid Development Complex Challenges Innovative Solutions rmcwater.com

5 C2VSim Refinement Objectives Current C2VSIM Successful Application to Numerous Water Resources and Hydrologic Studies Average Element Size of 6 Square Miles Future Applications Require Model with More Refined Spatial and Temporal Resolution Calsim Integration Water Portfolio Analysis Water Management Studies Regional and Central Valley Wide Hydrologic Analysis

6 C2VSim-FG Grid Refined Grid follows Bulletin 118 GW Basin Boundaries DSAs and DAUs Major Streams and Conveyance Systems Faults, and Other Hydrologic and Hydrogeologic Features

7 Bulletin 118 GW Basin Boundaries C2VSim Coarse Grid C2VSim Fine Grid

8 Detailed Analysis Units (DAUs) C2VSim Coarse Grid C2VSim Fine Grid

9 Canals/Streams Configuration C2VSim Coarse Grid C2VSim Fine Grid

10 Faults Configuration C2VSim Coarse Grid C2VSim Fine Grid

11 C2VSim-FG Summary Statistics GW Nodes 30,179 Elements 32,537 Min Element Area (Sq. Miles) Max Element Area (Sq. Miles) Ave Element Area (Sq. Miles) Total Model Area (Sq. Miles) 20,742 Stream Nodes 4,529 Stream Reaches 105 Stratigraphic Layers 3 Subregions 21 30,179 nodes 32,537 elements 21 Subregions conforming to boundaries of Depletion Study Areas (DSAs) Detailed Analysis Units (DAUs) 3 layers Small Watersheds 210 Calibration Wells 1,385 Calibration Streamflow Gages 26 Hydrologic Period Calibration Period Time Step Monthly

12 Hydrologic Period C2VSim Hydrologic Period WY Historical Rainfall for Sacramento

13 C2VSim ArcGIS GUI Complex Challenges Innovative Solutions rmcwater.com

14 ArcGIS Graphical User Interface (GUI) for IGSM/IWFM GUI Features Geodatabase for importing and storing model data Tools for running IWFM Post-processing model results o Time series graphing o Data statistical analysis o Groundwater level contouring Scenario Comparison

15 C2VSIM ArcGIS GUI Platform

16 Water Budget Reporting

17 Time Series Analysis GW Level Hydrograph

18 Time Series Analysis Time Series Data for Streams

19 GW Level Raster/Contour The tool user The auto-populates user has the has option specify the to months number create years the for a for of the contour which layers geodatabases gw for level the raster data model. where is surface. available. The the user model In has The that to user case select shapefiles user has the has a to layer user to select and has to data create a to year a define tables month raster to create the are to surfaces contour create located raster and raster where surfaces to and save interval. contours. and the and contours. raster surfaces and the contours

20 Statistical Analysis on Time Series Data

21 C2VSim Fine Grid Applications Complex Challenges Innovative Solutions rmcwater.com

22 C2VSim-FG Applications CV Historical Account GW Substitution Program Expansion of Ag Areas Ag Practice Implications GW Recharge Opportunities Sustainable GW Conditions

23 Historical Development of Central Valley Introduction of Agriculture Local Surface Water Projects Groundwater Expansion Ag follows electricity and population Large Surface Water Projects Expansion of Surface Water Facilities 1980 Present Urban Development Ag Land Expansion Conjunctive Use Groundwater Banking

24 Historical Development of Sacramento Valley Historical GW Budget

25 Historical Stream Depletions

26 Historical Stream Depletions - Animation

27 GW Substitution and Transfer Program Assessment Modeling GW Substitution Program Baseline Hydrology: (Repeated x 2) Pump groundwater to replace surface water Project Pumping only in non- Wet years Project Pumping during June and October GW Facilities: 293 wells in 29 Irrigation Districts

28 TAF Transfer/Pumping in non-wet years Average Difference Project in Annual Pumping: for 186,000 Sacramento AFY Valley Water Year

29 Effects on GW Conditions

30 GW Levels Away from River

31 GW Levels close to Sacramento River

32 MAF Impacts on GW and Stream Historical Date / Simulation Year Gain from Stream ΣΔStorage Pumping

33 Other Potential Applications of C2VSim-FG IRWM Support CWP Water Portfolio Support CV-Wide and Regional Conjunctive Use Programs SW-GW Interaction Analysis Climate Change Analysis Calsim-III Integration Reservoir Re-operation Analyses