Waves
Tides
Currents
Rogues, Tsunamis, & Mega-tsunamis
Potpouri
100
Most waves are caused by
What is wind
100
What is meant by tidal range
What is vertical distance between high and low tides
100
Large wind generated circular surface currents are called
What is gyres
100
In which ocean did the Sumatra Tsunami take place
What is Indian O
100
What do you do if caught in a rip current
What is swim parallel to shore to get out of the channel
200
The highest point of a wave
What is Crest
200
What type of tide does NJ have
What is semi diurnal
200
Name the current that brings warm surface waters from the equator along the east coast of the US
What is Gulf Stream
200
Approximately how many people were killed as a result of the Dec. 2004 tsunami
What is 300,000
200
2 high & 2 low tides of unequal heights
What is mixed semi diurnal tide
300
The distance between 2 crests is 10m and its period is 5 sec. Calculate the wave's speed
What is 2 m/s
300
When the moon passes close to the Earth we say the moon is in ____
What is perigee
300
Name the process that brings cold nutrient rich bottom water to the surface
What is upwelling
300
Mega tsunamis are caused by ___________________.
What is landslides
300
The Coriolis Effect causes water in the Northern Hemisphere to move
What is clockwise
400
Long period waves that cause boats to roll and can cause seasickness
What is swell
400
2 causes of tidal bulges
What is moon's gravitational pull and centrifugal forces
400
Type of current responsible for the moving of sediment along the coast
What is longshore current
400
What is a rogue wave
What is a large wave that appears out of nowhere that is at least 2x's the size of other waves
400
Exactly how long is a lunar day
What is 24 hours 50 min
500
Describe the following characteristics of a tsunami at sea wavelength, height, speed
What is hundreds of miles, less than a few feet, 400-700mph
500
Describe causes and effects of spring tides
What is new & full moon when sun, moon, Earth all in direct line causes very high tidal range
500
What causes deep ocean currents
What is density differences
500
Approximately how high was the mega tsunami that struck Lituya Bay, Alaska on July 9, 1958?
What is 520 meters
500
The extent of open water over which wind can blow
What is fetch
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