TIDESThe rise and low life of waters
What is Tides? Are motions caused by the gravitational  attraction between earth, moon, and sun. The periodic motion of ...
Tides and the Moon
Tides and the Moon Lunar tides
Tides and the Moon Lunar tides   occur at every 12 hours and 48 minutes,    alternating between Moon side and far side  ...
Tides and the Moon Lunar tides   occur at every 12 hours and 48 minutes,    alternating between Moon side and far side  ...
Tides and the Sun
Tides and the Sun Solar tides Smaller and occur at different times than  lunar tides The solar high waters are about 12...
Combined effects of Sun and Moon
Combined effects of Sun and Moon Spring Tides
Combined effects of Sun and Moon Spring Tides    are the highest tides we have which occur twice each month during the fu...
Combined effects of Sun and Moon Spring Tides     are the highest tides we have which  occur twice each month during the ...
Combined effects of Sun and Moon Spring Tides     are the highest tides we have which  occur twice each month during the ...
Another kinds of     Tides
Another kinds of tides Perigean Tides
Another kinds of tides Perigean Tides   Like other heavenly bodies, the moons orbit around    the Earth is elliptical. O...
Another kinds of tides Perigean Tides   Like other heavenly bodies, the moons orbit around    the Earth is elliptical. O...
Another kinds of tides Diurnal Tides
Another kinds of tides Diurnal Tides   If one high tide and one low tide take place in    a lunar day, its known as a di...
Another kinds of tides Diurnal Tides   If one high tide and one low tide take place in    a lunar day, its known as a di...
Another kinds of tides Semi-Diurnal Tides
Another kinds of tides Semi-Diurnal     When two high and two low tides of the same      height take place in a lunar da...
Another kinds of tides Semi-Diurnal   When two high and two low tides of the same    height take place in a lunar day, i...
Another kinds of tides Mixed tides
Another kinds of tides Mixed tides   where successive high-water and low-water    stands differ appreciably .
Another kinds of tides Mixed tides   where successive high-water and low-water    stands differ appreciably .   In thes...
THANK YOUAND GOD BLESS     US!  By Rochelle D. Bernas
Tides by rockredstar
Tides by rockredstar
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Tides by rockredstar

  1. 1. TIDESThe rise and low life of waters
  2. 2. What is Tides? Are motions caused by the gravitational attraction between earth, moon, and sun. The periodic motion of the waters of the sea, caused by the attractive forces of the moon and the sun.
  3. 3. Tides and the Moon
  4. 4. Tides and the Moon Lunar tides
  5. 5. Tides and the Moon Lunar tides  occur at every 12 hours and 48 minutes, alternating between Moon side and far side high tides with lunar low tides in-between as reference.
  6. 6. Tides and the Moon Lunar tides  occur at every 12 hours and 48 minutes, alternating between Moon side and far side high tides with lunar low tides in-between as reference.  Water level highs and lows lag the tide causing forces by 1-3 hours. Large amounts of water must flow long distances around uneven land masses
  7. 7. Tides and the Sun
  8. 8. Tides and the Sun Solar tides Smaller and occur at different times than lunar tides The solar high waters are about 12 hrs. apart as the earth rotates on its axis The solar semidaily tide is only 46% that of the lunar semidaily tide.
  9. 9. Combined effects of Sun and Moon
  10. 10. Combined effects of Sun and Moon Spring Tides
  11. 11. Combined effects of Sun and Moon Spring Tides are the highest tides we have which occur twice each month during the full moon (when the sun and the moon are in line with the earth)
  12. 12. Combined effects of Sun and Moon Spring Tides are the highest tides we have which occur twice each month during the full moon (when the sun and the moon are in line with the earth) Neap Tides
  13. 13. Combined effects of Sun and Moon Spring Tides are the highest tides we have which occur twice each month during the full moon (when the sun and the moon are in line with the earth) Neap Tides it is when tides are at their lowest, occur during the first and third quarter moon (when the sun and the moon are at right angles)
  14. 14. Another kinds of Tides
  15. 15. Another kinds of tides Perigean Tides
  16. 16. Another kinds of tides Perigean Tides  Like other heavenly bodies, the moons orbit around the Earth is elliptical. Once each month, the moon passes by the Earth at perigee, which is about 30,000 miles closer than at apogee, or the furthest point in orbit.
  17. 17. Another kinds of tides Perigean Tides  Like other heavenly bodies, the moons orbit around the Earth is elliptical. Once each month, the moon passes by the Earth at perigee, which is about 30,000 miles closer than at apogee, or the furthest point in orbit.  When spring tides and perigee align, the moons extra-strong pull results in unusually high tides, known as perigean tides. Perigean tides take place at intervals that are slightly longer than six months, according to the Woods Hole Oceanographic Institution.
  18. 18. Another kinds of tides Diurnal Tides
  19. 19. Another kinds of tides Diurnal Tides  If one high tide and one low tide take place in a lunar day, its known as a diurnal tide. Diurnal tides create 24-hour, 50-minute tidal periods.
  20. 20. Another kinds of tides Diurnal Tides  If one high tide and one low tide take place in a lunar day, its known as a diurnal tide. Diurnal tides create 24-hour, 50-minute tidal periods.  Oceans in partially enclosed basins, such as the Caribbean and the Gulf Coast of the U.S. often experience diurnal tides.
  21. 21. Another kinds of tides Semi-Diurnal Tides
  22. 22. Another kinds of tides Semi-Diurnal  When two high and two low tides of the same height take place in a lunar day, its called a semi-diurnal tide.
  23. 23. Another kinds of tides Semi-Diurnal  When two high and two low tides of the same height take place in a lunar day, its called a semi-diurnal tide.  Semi-diurnal tidal periods are 12 hour and 25 minutes long. Most coastlines experience semi-diurnal tides.
  24. 24. Another kinds of tides Mixed tides
  25. 25. Another kinds of tides Mixed tides  where successive high-water and low-water stands differ appreciably .
  26. 26. Another kinds of tides Mixed tides  where successive high-water and low-water stands differ appreciably .  In these tides, we have a higher high water and lower high water as well as higher low water and lower low water.
  27. 27. THANK YOUAND GOD BLESS US! By Rochelle D. Bernas

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