영어 PPT [엘리뇨] [엘니뇨] [El Niño- Southern Oscillation] [ENSO]

소개글

영어 PPT로 총 19장 구성입니다.

엘니뇨에 대한 알찬내용 구성입니다~^^

목차

1. ENSO events
2. Normal conditions
3. ENSO conditions
4. Cause of ENSO events

본문내용

Ocean/atmosphere interaction
surface water temperature/ atmospheric pressure

Occurs on a 3-4 year cycle

Earliest written records – 1500’s Spanish explorers

Phenomenon usually observed around Christmas
season in waters off Peru and Ecuador

Tradewinds ‘push’ surface waters at western edge of basin
Warm water piles up in west “Pacific warm pool” , sea surface 1m higher
Pycnocline found at 100m depth at western edge of basin and only at
30m depth at eastern edge of basin
Coastal winds ‘push’ waters offshore (i.e. via Ekman transport)
cold nutrient-rich waters subsurface waters upwelled

참고 자료

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