{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lecture 24 - Tsunami Waves

5 data for a tsunami l wavelength 100 200 km l period

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: / 20 = 1,500m therefore it’s a shallow water wave 4 Speed of a Shallow Water Wave l༆  Speed of shallow wave = √gd where d = depth of water l༆  Or C = 3.1√d l༆  In typical ocean where d = 3.8km, l༆  C= 3.1 x √3,800 l༆  C = 191ms- 1 l༆  ….or 688kmh- 1 l༆  Why? The deeper the ocean, the less the fricMon…. 5 Data for a Tsunami l༆  Wavelength 100- 200 km l༆  Period of 10 minutes to 2 hours, frequency of 6 to 0.5 per hour l༆  Results in a speed of 600kmh to l༆  Height in the deep ocean – typically 0.3m – barely noMceable l༆  BUT ulMmate velocity governed by ocean depth l༆  C = 3.1√d 6 So Why the Big Waves? l༆  The period of the waves do not alter...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online