Lec13_Oceans2_2012b_st-1

Early alert systems noaas dart system deep ocean

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Unformatted text preview: , Yemen, Kenya, Madagascar Banda Aceh Shore, Indonesia Gleebruk Village, Sri Lanka Sumatra 2004 Tsunami: An anima2on http://en.wikipedia.org/wiki/2004_Indian_Ocean_earthquake http://www.pep.bc.ca/tsunamis/causes_2.htm Tsunami 150 km 720 km/hr 4000 m 17 km 7 km; 36 km/hr 80 km/hr runup 10 m Sea level 50 m Tsunami Anatomy Wavelength and speed decrease with water depth, but amplitude increases. The tsunami breaks offshore and surges on shore often as a wall of water (bore) or rapid tide. Early alert systems NOAA’s DART system (Deep-Ocean Assessment and Reporting of Tsunami) uses_________________ ______________________ ______________________ _________________________ .! http://nctr.pmel.noaa.gov/Dart/Jpg/DART-II_05x.swf The previous pictures are from a TIDAL BORE, not a tsunami. Th...
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