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Coastal Kelvin Waves and Semi-diurnal Tides in North Sea

Explore the classic Kelvin Wave Problem complicated by coastal dynamics. Learn about El Nino impacts and Equatorial Dynamics leading to variations in precipitation and the InterTropical Convergence Zone.

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Coastal Kelvin Waves and Semi-diurnal Tides in North Sea

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  1. Coastal Kelvin Wave

  2. Kelvin wave h=50 meters—f=10-4 1/s

  3. Kelvin wave h=500 meters—f=10-4 1/s

  4. Kelvin wave h=50 meters—f=2x10-5 1/s

  5. Semi-diurnal Tides In North Sea. Classic Kelvin Wave Problem (complicated by Corner!) Blue– Tidal Range Red Time of High water

  6. El Nino/ Southern Oscillation (ENSO) And Equatorial Dynamics

  7. Precipitation mm/month InterTropical Convergence Zone – where the trade winds meet. Drives Upwards motion in atmosphere– and precipitation Moves Seasonally (locacted at maximum solar radiation– sort of) ON averaged displaced north of equator,

  8. Divergent Convergent Divergent Ekman Transport South America Indonesia ITCZ Equator

  9. v fv fv Px Px Px Px v v v fv fv Px Px fv fv fv fv Px Px E High Low South America Divergent Low in sea level Indonesia ITCZ High in sea level Convergent Divergent Low in sea level Equator

  10. NEC NECC SEC

  11. Equatorial Under Current (also the Cromwell Current) Discovered by Fisherman and named in 1952

  12. El Nino Impacts Tele-communications

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