Chp 8: El Nino & La Nina
La Nina description
A climate event in the eastern Pacific Ocean in which surface waters are colder than normal.
Drought
A long period of dry weather
ENSO meaning
El Nino Southern Oscillation
supresses
El Nino _____ upwelling.
weaker
El Nino has ____ winds than normal atmospheric conditions.
warm & wet
Warm ocean water will create what type of climate?
45
What angle is the top surface water deflected from the wind?
Wind
What causes the oceanic surface currents?
better fishing
What is a benefit of La Nina?
70
What percent of the Earth's surface is covered with ocean?
high rate of evaporation
Why does warm water create more rain?
Equatorial Pacific
the area in between South America and Australia in the Pacific Ocean
Sea Surface Temperature
the temperature of the surface of a body of water
cold & dry
Cold ocean water will create what type of climate?
3-5 years
Cycle of El Nino activity
right
In the northern hemisphere, water is deflected to the _____ of the wind.
left
In the southern hemisphere, water is deflected to the _____ of the wind.
less rain
Indonesia & Australia will receive ____ during El Nino events.
El Nino description
It starts when the oceans waters are warmer than usual, it causes storms and effects the whole world A weather pattern created by the warming of the waters off the west coast of South America, which pushes warm waters and heavy rains toward the Americas and produces drought conditions in Australia and Asia.
larger
La Nina has ____ amounts upwelling than normal atmospheric conditions.
stronger
La Nina has ____ winds than normal atmospheric conditions.
1-3 years
Length of time for a La Nina event
Upwelling description
Rising of cold, nutrient rich water from the deep along coastlines
more rain
Southwestern U.S. will receive ____ during El Nino events.
Ocean Currents
Streams of water within the ocean that move in regular patterns
heat, energy, & water vapor
The oceans are a source of
Pacific Ocean
an ocean that is in between North America, South America, Asia, and Australia
Normal Pacific Ocean Pattern
ocean patterns that usually happen but change when faced with an El Nino or La Nina
Trade Winds
steady winds in tropical latitudes that blow toward the equator from the north and south
