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Bay of Fundy: The Tides and Tidal Power

Bay of Fundy: The Tides and Tidal Power. Physical Oceanography Amy Anderson 5 December 2013. New Brunswick. Maine. Garrett 1984. gma.org. Hopewell Rocks, NB. Parrsboro , Nova Scotia. Forcings. Topography Funnel Shape Shallowing & Narrowing Natural Resonance – 13 hrs

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Bay of Fundy: The Tides and Tidal Power

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  1. Bay of Fundy:The Tides and Tidal Power Physical Oceanography Amy Anderson 5 December 2013

  2. New Brunswick Maine Garrett 1984 gma.org

  3. Hopewell Rocks, NB

  4. Parrsboro, Nova Scotia

  5. Forcings • Topography • Funnel Shape • Shallowing & Narrowing • Natural Resonance – 13 hrs • Tidal Cycle – 12 hrs 25 min Archer 2013

  6. Forcings • Topography • Funnel Shape • 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

  7. Tidal Power • Requirements • Predictable • High energy • Energy output = speed of current 3 • A current 2x larger will result in 8x energy potential

  8. Tidal Power • Requirements • Predictable • High energy • Energy output = speed of current 3 • A current 2x larger will result in 8x energy potential • Total Bay of Fundy: 50 000 MW • Energy at Minas Passage • Possible: 7 000 MW • Accessible: 2 500 MW • Energy at Annapolis Generation Station • Accessible: 20 MW

  9. Greenberg 2012

  10. Annapolis Tidal Power Plant Barrage style 20 MW Minas Passage In-Stream style 2 500 MW (collective)

  11. Potential Side-Effects • Sediment Transport • Biology • Chemistry – to mudflats • Currents • Tides in other locations • Boston • UK

  12. 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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