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The Movement of Ocean Water
The Movement of Ocean Water
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Movements of ocean water

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I Spell SSt inservice course KVGN

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Movements of ocean water

  1. 1. MOVEMENTS OF OCEAN WATER K.SUGUNA.R PGT GEO
  2. 2. THREE TYPES OF MOVEMENTS • WAVES • TIDES OCEAN CURRENTS
  3. 3. WAVES • • • HORIZONTAL MOVEMENT OF WATER TOWARDS THE COAST AND AWAY FROM THE COAST CAUSED BY WIND WHEN THE WIND MOVES OVER THE WATER SURFACE,IT MAKES THE WATER PARTICLES TO MOVE
  4. 4. CHARACTERISTICS OF WAVES • • • WAVE HEIGHT:VERTICAL DISTANCE BETWEEN TOP OF THE CREST AND THE BOTTOM OF TROUGH WAVE LENGTH: HORIZONTAL DISTANCE BETWEEN THE TWO SUCCESSIVE CRESTS WAVE PERIOD:TIME INTERVAL BETWEEN TWO SUCCESSIVE WAVES TO TOUCH A FIXED POINT.
  5. 5. TIDES • THE PERIODICAL RISE AN FALL OF THE SEA LEVEL • ONCE OR TWICE A DAY • DUE TO THE ATTRACTION OF THE SUN AND THE MOON.
  6. 6. SURGE • MOVEMENT OF WATER BY METEOROLOGICAL EFFECTS(CYCLONE)
  7. 7. TYPES OF TIDES • SPRING TIDES: • • • RISE VERY HIGH AND FALL VERY LOW NEW MOON DAYS AND FULL MOON DAYS SUN ,MOON AND EARTH ARE IN STRAIGHT LINE • NEAP TIDES • • • NEITHER RISE VERY HIGH NOR FALL VERY LOW QUARTER MOON DAYS SUN ,MOON AND EARTH ARE IN RIGHT ANGLE
  8. 8. OCEAN CURRENTS • LIKE RIVER FLOW IN OCEANS • FLOW OF REGULAR VOLUME OF WATER IN A DEFINITE PATH AND DIRECTION
  9. 9. TYPES OF OCEAN CURRENTS • • • • • • • • WARM CURRENT: MOVES FROM HOT REGION TO CCOLD REGION MOVES ALONG THE SURFACE OF THE OCEAN INCREASES THE TEMPERATURE OF THE REGION ALONG WITH IT FLOWS COLD CURRENT MOVES FROM HOT REGION TO CCOLD REGION MOVES ALONG THE SURFACE OF THE OCEAN INCREASES THE TEMPERATURE OF THE REGION ALONG WITH IT FLOWS
  10. 10. TYPES OF OCEAN CURRENTS • • • • • • • • WARM CURRENT: MOVES FROM HOT REGION TO CCOLD REGION MOVES ALONG THE SURFACE OF THE OCEAN INCREASES THE TEMPERATURE OF THE REGION ALONG WITH IT FLOWS COLD CURRENT MOVES FROM HOT REGION TO CCOLD REGION MOVES ALONG THE SURFACE OF THE OCEAN INCREASES THE TEMPERATURE OF THE REGION ALONG WITH IT FLOWS

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