Oceanic Influences on Climate

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Presentation transcript:

Oceanic Influences on Climate

Ocean currents redistribute heat Large scale currents are called gyres

North Atlantic Gyre Includes the Gulf Stream

SST in Gulf Stream- July

Influence of Gulf stream SST on air temp

Walker cell circulation

El Nino and La Nina years since 1950. El Nino years produce weird weather in North America La Nina years are more “normal”

Prevailing windflow along the ITCZ pushes warm water eastward Position of ITCZ shifts North with Northern Hemisphere summer and south with the Southern Hemisphere summer

SST July- Illustrating El Nino Southern Oscillation (ENSO)

SST- Equatorial Pacific July

SST January- El Nino Southern Oscillation

El Nino circulation

La Nina circulation

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