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Sunshine, biofuel and the tides, oh my!
Date:12/4/2012

urbines to the digitized channel and ran simulations to find out how water flow could be impacted. They found that installing large numbers of turbines can decrease the flushing rate -- the amount of time it takes to replace the bay's water with new ocean water. The longer it takes to flush out a bay, the longer it takes to remove contaminants from river runoff and human activity. This could worsen the conditions of bays already experiencing low levels of dissolved oxygen. On the other hand, simulations also showed turbines increase mixing in the water column, which could breathe more life into a bay's lower waters by transporting more oxygen from the surface. PNNL's Taiping Wang will discuss the computer model and some of its simulation results.

OS53D-07: "A Modeling Study of In-stream Tidal Energy Extraction and Its Potential Environmental Impacts in a Tidal Channel and Bay System," 3:10-3:25 p.m., Friday, Dec. 7, Room 3024, Moscone West. Media contact: Franny White.


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Contact: Franny White
frannny.white@pnnl.gov
509-375-6904
DOE/Pacific Northwest National Laboratory
Source:Eurekalert

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