A proposed solution to basic conveyance and ecosystem restoration problems By Robert Pyke Ph.D., G.E. Robert Pyke, Consulting Engineer Lafayette, CA.

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Presentation transcript:

A proposed solution to basic conveyance and ecosystem restoration problems By Robert Pyke Ph.D., G.E. Robert Pyke, Consulting Engineer Lafayette, CA

Two basic principles: Allow natural flows to pass through the Delta before any exports are extracted Extract more water during high flows and less or no water during low flows Leads to four physical elements:

1. Re-activate historic floodplain storage upstream of the Delta in order to stretch out the flood hydrograph and allow export pumping for a longer period of time during high flows.

1. Re-activate historic floodplain storage in order to stretch out the flood hydrograph and allow export pumping for a longer period of time during high flows. Has additional ecosystem restoration and flood mangement benefits!

1. Re-activate historic floodplain storage in order to stretch out the flood hydrograph and allow export pumping for a longer period of time during high flows. 2. Extract surplus flows somewhere in the Western Delta and construct much shorter tunnels to the vicinity of the Clifton Court Forebay.

1. Re-activate historic floodplain storage in order to stretch out the flood hydrograph and allow export pumping for a longer period of time during high flows. 2. Extract surplus flows somewhere in the Western Delta and construct much shorter tunnels to the vicinity of the Clifton Court Forebay. 3. Construct additional temporary storage facilities in the vicinity of the Clifton Court Forebay.

1. Re-activate historic floodplain storage in order to stretch out the flood hydrograph and allow export pumping for a longer period of time during high flows. 2. Extract surplus flows somewhere in the Western Delta and construct much shorter tunnels to the vicinity of the Clifton Court Forebay. 3. Construct additional temporary storage facilities in the vicinity of the Clifton Court Forebay. 4. Construct additional South of Delta storage.

Thank you! I’d be happy to address easy questions.