Lec13_Oceans2_2012b_st-1

A tsunami is december 26 2004 the

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Unformatted text preview: area   (beach slope < 3°) – best for body surfing   Plunging concentrates energy at the break point   (beach slope 3 ­11°)   Collapsing releases the energy on the beach face   (beach slope 11 ­15°) – can dump the surfer onto the beach   Surging results in reflection of the energy   (beach slope >15°) – dangerous as can have significant undertow Longshore Currents One ocean hazard Tsunami  ­ a big $de? A tsunami is ______________________. December 26, 2004 The Indian Ocean Tsunami Tsunami arriving on shore Thailand Approximately 230,000 people are reported dead or missing in 14 countries: Indonesia, Sri Lanka, India, Thailand, Somalia, Myanmar (Burma), Maldives, Malaysia, Tanzania, Seychelles, Bangladesh, South Africa...
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