11
Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Embed Size (px)

Citation preview

Page 1: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Making Better Decisions in an Uncertain World

Reservoir Operations Modeling

Page 2: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Modeling Reservoirs

• Continuity Equation• Balance multiple objectives• Represent operational controls

Page 3: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Basic Processes

Evaporation

Spillway

Outlet

Seepage Sedimentation

Inflow

Reservoir

Page 4: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Reservoir Pools

Flood Control

Conservation

Dead Pool

SurchargeDam Freeboard

Page 5: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Dead Pool

• “Inactive” pool• Maintain head for hydroelectric power• Fish habitat• Sediment reserve

Page 6: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Conservation Pool

• Municipal & industrial supply• Irrigation• Navigation/recreation• Hydroelectric Power• Instream flow maintenance

Page 7: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Seasonal Conservation Pool

Surcharge

Inactive Pool

Flood Control Pool

Conservation Pool

Rese

rvoi

r Ele

vatio

n

Months (Jan – Dec)

Page 8: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Flood Control

• Remains empty• Weir or Orifice• Downstream control• Upstream control

Page 9: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Surcharge

• Weir flow over spillway• Uncontrolled storage capacity• Presents risk downstream• Never overtop dam under any condition

Page 10: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Flood Control vs. Conservation

• Continuous balancing act• Model impacts– Policy changes– New facilities– New supplies

Page 11: Making Better Decisions in an Uncertain World Reservoir Operations Modeling

Questions?

Jason Lillywhite, P.E.

For a free trial version of the software, visit: www.goldsim.com