tidal patterns
DESCRIPTION
Tidal Patterns. Diurnal. Semidiurnal. Mixed semidiurnal. Tide Generating Force. http://www.nos.noaa.gov/education/kits/tides/media/supp_tide02.html. Consider water-covered non-tilted Earth with no continents, and the affect of the moon alone: Equilibrium model of tides. inertia. - PowerPoint PPT PresentationTRANSCRIPT
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Tidal Patterns
Diurnal
Semidiurnal
Mixed semidiurnal
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http://www.nos.noaa.gov/education/kits/tides/media/supp_tide02.html
Tide Generating Force
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inertiagravity
Consider water-covered non-tilted Earth with no continents, and the affect of the moon alone:
Equilibrium model of tides
= egg shaped envelope (tidal bulge) that the Earth rotates within.
What type of tidal pattern would result from this configuration?
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Lunar day shifting tidal cycle
Lunar day = 24 hours + 50 minutes
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Declination of the moon
What is the tidal pattern at latitude A? at latitude B? in between A and B?
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http://soconnell.web.wesleyan.edu/ees106/lecture_notes/lecture-tides/HTML%20Presentation%20folder/sld049.htm
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Do tides interact with the seabed?
http://www-class.unl.edu/geol101i/14_coasts.htm
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Frictional Drag
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Add the sun…Spring tide and Neap tide
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Declination of Sun (tilt of Earth’s axis)
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Earth’s elliptical orbit around sun
http://eo.nso.edu/dasl/Lessons/Aphelion/eccentricity.gif
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http://deschutes.gso.uri.edu/~rutherfo/milankovitch.html
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Tides as Waves
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Tidal currents:Flood tideEbb tideslackwater
http://www.beg.utexas.edu/UTopia/contentpg_images/gloss_barrier_island.jpg