Coastal Kelvin Wave
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Coastal Kelvin Wave
description
Coastal Kelvin Wave. Kelvin wave h=50 meters—f=10 -4 1/s. Kelvin wave h=500 meters—f=10 -4 1/s. Kelvin wave h=50 meters—f=2x10 -5 1/s. Semi-diurnal Tides In North Sea. Classic Kelvin Wave Problem (complicated by Corner!) Blue– Tidal Range Red Time of High water. - PowerPoint PPT Presentation
Transcript of Coastal Kelvin Wave
Coastal Kelvin Wave
Kelvin wave h=50 meters—f=10-4 1/s
Kelvin wave h=500 meters—f=10-4 1/s
Kelvin wave h=50 meters—f=2x10-5 1/s
Semi-diurnal TidesIn North Sea.
Classic Kelvin Wave Problem (complicated by Corner!)
Blue– Tidal Range
Red Time of High water
El Nino/ Southern Oscillation (ENSO)
And
Equatorial Dynamics
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,
Precipitation mm/month
ITCZ
Equator
SouthAmerica
Ind
onesi
a
Ekman Transport
Convergent
Divergent
Divergent
ITCZ
Equator
SouthAmerica
Ind
onesi
a
Convergent
Divergent
Divergent Low in sea level
High in sea level
Low in sea level
v
E High Low
Px
fv
Px
fv
v
Px
fv Pxfv
vPx
fv
Pxfv
Px
fv
v
Px
fv
SEC
NEC
NECC
Equatorial Under Current (also the Cromwell Current)Discovered by Fisherman and named in 1952
El Nino Impacts
Tele-communications
