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Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping.open ocean: short heights, long wavelengths (100 km), and long periods 400-500 mph!!! shallow water: their length shortens and their height increases dramatically. | Today’s Tune “This is the Sea” by The Waterboys Next Midterm Monday, May 16, 2011, 1:00 Here in Gilfillan Auditorium, closed book Same format as Test 1 Bring #2 pencil Study Guide POSTED on main class web site: http://dusk.geo.orst.edu/oceans/103syl.html Transformation of Wind-Driven Deep-water Waves Transformation of Wind-Driven Shallow-water Waves Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Tsunamis Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping. open ocean: short heights, long wavelengths (>100 km), and long periods -- 400-500 mph!!! shallow water: their length shortens and their height increases dramatically. Global Wave Propagation After 2004 Sumatra Event Titov, V., A.B. Rabinovich, H.O. Mojfeld, R.E. Thomson, and F.I. Gonzalez, The global reach of the 26 December 2004 Sumatra tsunami, Science, 309 (5743), 2045-2048, 2005. Massive 9.3 EQ. 30-ft vertical displacement, 60-ft horizontal displacement. “This tsunami is the first for which there are high-quality worldwide tide-gauge measurements and for which there are multiple-satellite altimetry passes of tsunami wave height in the open ocean.” Combined with numerical model simulations to show global reach of initial event. Mid-ocean ridges help to guide the tsunami energy propagation, which means they were still super long wavelength and hence super deep. Oregon Coastal Atlas Tsunami Hazard Information http://www.coastalatlas.net or http://bit.ly/FG8rz Tsunami from slumping Driscoll et al., Geology, 28(5):407-410 North Carolina Example Back to Wind-Driven Scenarios: Storm Surges extremely high water levels due to Low pressure system - big storms persistent onshore winds rise in sea level Hurricanes! (W. Atlantic) Cyclones! (W. Pacific) NASA Advanced | Today’s Tune “This is the Sea” by The Waterboys Next Midterm Monday, May 16, 2011, 1:00 Here in Gilfillan Auditorium, closed book Same format as Test 1 Bring #2 pencil Study Guide POSTED on main class web site: http://dusk.geo.orst.edu/oceans/103syl.html Transformation of Wind-Driven Deep-water Waves Transformation of Wind-Driven Shallow-water Waves Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Photography by Clark Little Tsunamis Sudden shifting of the ocean floor due to earthquakes, volcanic eruptions, and submarine slumping. open ocean: short heights, long wavelengths (>100 km), and long periods -- 400-500 mph!!! shallow water: their length shortens and their height increases dramatically. Global Wave Propagation After 2004 Sumatra Event Titov, V., A.B. Rabinovich, H.O. Mojfeld, R.E. Thomson, and .
