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2011-05-08 19:56:02
Tides Munasinghe

Tides Munasinghe
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  1. Tides are ( ) and ( ) of sea level due to the ( ) efect of the Moon and the Sun.
    Rise, fall, Gravity
  2. The tidal effect of the ( ) on the ocean is higher than the effect of the ( ).
    Moon, Sun
  3. Forces involved in the formation of tidal bulges are ( ) of the Moon and the Sun, and ( ) force.
    Gravity, Centrifugal
  4. How many bulges of seawater are there due to the moon?
  5. One bulge is always pointed towards and another to the opposite side of the ( ).
  6. A graph of sea level versus time is called a ( )
    Tide Curve
  7. When a point on the Earth passes under a bulge, a ( ) is observed at that coast.
    high tide
  8. A tidal day is about ( ) hours long.
  9. Two equal high waters per day is call ( ) tidal pattern.
  10. The time between two high waers is aout ( ) hours and ( ) minutes.
    12, 25
  11. Rising sea level due to high water is called ( )
    Flood Tide
  12. Tidal range is defined as ( ) - ( )
    HW - LW
  13. When the Sun, Earth, and the Moon make 90 Degrees, the tidal range is ( )
  14. During Spring tides,the tidal range is ( ) due to the ( ) degree angle between Earth-Moon-Sun.
    High, 0
  15. The tidal bulge on the Earth on the opposite side of the moon is caused by ( ) force.
  16. The Moon revolves around the Earth in about ( ) days.
  17. One day on the moon is about ( ) days on Earth.
  18. The sea level at the Datum is ( ) feet.
  19. The sea level at a coast depends on the ( ) of the moon and the sun, ( ) of the ocean basins, and the ( ) effect.
    Position, Shape, Coriolis
  20. When flood tide occurs along a narrowing river a leading wave, called tidal ( ), is formed.
  21. The sea level rises and falls due to the Earth ( ) in and out of the seawater bulge.
  22. MLLW stand for ( ).
    Mean Lower Low Water
  23. If the tidal range is high, the phas of the moon is either ( ) or ( ).
    New Full
  24. The most common tidal pattern is ( ), where there are 2 ( ) high- or low-waters a day.
    mixed, unequal
  25. Tidal amplitude depends on the ( ) of the moon, and sun, the ( ) of the ocean basin and ( ) effect.
    Position, Shape, Coriolis
  26. You noticed that the sea level has dropped dramaticalllt exposing many benthic animals. What is the most likely angle between the Sun, Earth and Moon?
    0 Degrees
  27. The bulge of water that forms on the Earth opposite from the moon is caused due to extra ( ) force.
  28. The tidal range is high during the Winterbecause the Earth ( ) to the Sun at that time.
  29. The period of Ocean Tides on the Earth is in the time scale of ( ).
  30. The ( ) of the ocean basins affects the tidal amplitude at a coast significantly.
  31. During high tie, also known as ( ) tide, the Earth is moving into a tidal bulge.
  32. Tidal ( ) is a one or more wave crests traveling upstream during high water.
  33. If the sea level has not changed much during the day at a coast where high tidal ranges are common, then what is the most likely angle between the Sun, Earth, and Moon.
    90 Degrees
  34. What is the approximate time difference bewteen a HW and the next LW.
    6 Hours, 12 Mins
  35. What is the approximate time difference between two HWs.
    12 Hours, 25 Mins

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