Chp 8: El Nino & La Nina

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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


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