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Bay of Fundy: The Tides and Tidal Power Physical Oceanography Amy Anderson 5 December 2013
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Garrett 1984 gma.org Maine New Brunswick
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Hopewell Rocks, NB
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Parrsboro, Nova Scotia
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Forcings Topography o Funnel Shape o Shallowing & Narrowing Natural Resonance – 13 hrs Tidal Cycle – 12 hrs 25 min Archer 2013
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Forcings Topography o Funnel Shape o Shallowing & Narrowing Natural Resonance – 13 hrs Tidal Cycle – 12 hrs 25 min Results in largest measureable tides Movement of 160 billion tons of water in every tide Archer 2013
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Tidal Power Requirements o Predictable o High energy Energy output = speed of current 3 o A current 2x larger will result in 8x energy potential
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Tidal Power Requirements o Predictable o High energy Energy output = speed of current 3 o A current 2x larger will result in 8x energy potential Total Bay of Fundy: 50 000 MW Energy at Minas Passage o Possible: 7 000 MW o Accessible: 2 500 MW Energy at Annapolis Generation Station o Accessible: 20 MW
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Greenberg 2012
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Annapolis Tidal Power Plant Barrage style 20 MW Minas Passage In-Stream style 2 500 MW (collective)
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Potential Side-Effects Sediment Transport Biology Chemistry – to mudflats Currents Tides in other locations o Boston o UK
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References Archer, A.W. World’s highest tides: Hypertidal coastal systems in North America, South America, and Europe. Sedimentary Geology. 284-285. 1:25. Garrett, C. 1984. Tides and tidal power in the Bay of Fundy. Endeavour. 8. 58:64. Greenberg, D. A., Blanchard, W., Smith, B., and Barrow, E. 2012. Climate change, mean sea level and high tides in the Bay of Fundy. Atmosphere- Ocean. 50. 261:276. www.bayoffundytourism.com www.gma.org http://fundyforce.ca
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