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

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Presentation transcript:

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

Garrett 1984 gma.org Maine New Brunswick

Hopewell Rocks, NB

Parrsboro, Nova Scotia

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

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

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

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: MW Energy at Minas Passage o Possible: MW o Accessible: MW Energy at Annapolis Generation Station o Accessible: 20 MW

Greenberg 2012

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

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

References Archer, A.W. World’s highest tides: Hypertidal coastal systems in North America, South America, and Europe. Sedimentary Geology :25. Garrett, C Tides and tidal power in the Bay of Fundy. Endeavour :64. Greenberg, D. A., Blanchard, W., Smith, B., and Barrow, E Climate change, mean sea level and high tides in the Bay of Fundy. Atmosphere- Ocean :