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Integrated Data and Analysis to Support the California Water Plan

Integrated Data and Analysis to Support the California Water Plan. Vision & Purpose for Analytical Tool and Data Improvements. Support decision making in light of uncertainties Promote collaborative decision making, Shared Vision Planning

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Integrated Data and Analysis to Support the California Water Plan

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  1. Integrated Data and Analysis to Support the California Water Plan

  2. Vision & Purposefor Analytical Tool and Data Improvements • Support decision making in light of uncertainties • Promote collaborative decision making, Shared Vision Planning • Support integrated water management regionally and statewide • Supply reliability, flood management, environmental restoration, water quality, economic efficiency, social equity

  3. Information and Modeling Needs • Information gaps and limitations • Land use, groundwater balances, local diversions, environmental conditions • 4 examples of technically challenging problems • Integrated regional water management • Integrated flood management • Ecosystem restoration • Adapting to climate change

  4. Water Plan Quantitative Deliverables • Accurately describe recent water management conditions (Water Portfolios) • Develop multiple baseline future conditions (Scenarios) • Identify alternative water management response packages (management strategies) • Evaluate performance of strategies in terms of benefits, costs, and tradeoffs • Evaluate interaction between local, regional, and statewide water management • Support Water Planning Information Exchange

  5. Water Plan team is developing tools to quantify costs, benefits, tradeoffs • Represent physical water management system • Quantify strategy benefits

  6. Some Limitations • More comprehensive look at three regions in Central Valley • Cannot represent all strategies • Cannot quantify all strategy benefits • Coarse representation of regional groundwater system *Tulare Lake excluded from pilot

  7. SWAN WorkshopAugust 2010 • Improve integration of analyses conducted for the Water Plan with analyses for Bay‐Delta Conservation Plan, Delta Plans, salinity studies, San Joaquin restoration studies, etc. 27 votes • Improve calibration of snowmelt and rainfall‐runoff processes of the upper watersheds. 16 votes. • Decouple consideration of land use and population in the scenarios. 11 votes. • Analyze flood management strategies in conjunction with water supply strategies. 10 votes.

  8. SWAN WorkshopMay 2011 • Breakout sessions • Model Output and Analysis Metrics • Water Management Response Packages • Evaluating Response Packages under Uncertainty (RDM) • Follow-up Survey • Next Steps

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