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Optimum Infrastructure Expenditure Model (OIE) and Watershed-Reservoir Wellness Index (WRWI) Version 1. Purpose of Today’s Meeting. Presentation of Tool + Our Questions Identify Your Questions Discuss Your Questions Set Upcoming OIE Interactive Session Meeting. Our Questions.
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Optimum Infrastructure Expenditure Model (OIE)andWatershed-Reservoir Wellness Index(WRWI)Version 1
Purpose of Today’s Meeting
- Presentation of Tool + Our Questions
- Identify Your Questions
- Discuss Your Questions
- Set Upcoming OIE Interactive Session Meeting
Our Questions
- Can the tool help watershed management policy makers arrive at more informed decisions?
- How could we improve the tool?
Background
- F2F basic components
- Payments for tree planting
- Financial Process to connect urban water consumers with rural landowners that provides water supply related environmental services
- #1 informs #2
- Today’s meeting about #2
Process
- F2F timeline 2010-2012
- Tool is a crude prototype
- Today is first public presentation of functionality
- Next Steps:
- Refine functionalities
- “Hands On” testing
- Refine functionalities
- Deliver Products
- Version 1 OIE/WRWI
- F2F Report
- Remaining Payments
Purpose: To determine optimum mix of green and grey infrastructure expenditures(OIE)to maximize watershed & reservoir wellness(WRWI)
Optimum(adj.) – most favorable or desirableInfrastructure(noun) -fundamental facilities and systems serving a country, city, or area, such as transportation and communication systems, power plants, and schools(Dictionary.com)
Grey Infrastructure
- Dredging
- Nutrient/Algae Management
- Other
Green Infrastructure
- Afforestation
- Conservation Easements
- Other
OIE
- Combines financial and environmental information
- Financial – infrastructure expenditures
- Environmental – infrastructure unit environmental “lift” (pollution reduction)
- Metric: Cost per Unit Pollutant
Financial Information
- Utility Base Rate Expenditures for Grey-Green Infrastructure
- Grey Infrastructure Costs
- Green Infrastructure Costs
Environmental Information
- Land cover
- Environmental lift calculator
- Pollution budget
- Reservoir water quantity and quality data
WRWI
- Based on human wellness model
- Fitness + Health = Wellness
- Wellness means:
- Fitness – land cover
- Health – pollution loading
WRWI Equation
- WRWI = 50 (Reservoir Health) + 50 (Watershed Fitness)
- Reservoir Health = % of original storage volume
- Watershed Fitness = Forest cover + Impervious Cover
Use of OIE + WRWI allows sensitivity testing to achieve optimal wellness for least cost
Generic Example
- Uses data from many watersheds including SFRRW
- Input information is plausible
- Components crude
- Easement valuation
- Model timeframe
- Reservoir capacity/discounting
