El nino and la nina 2023

What causes the unequal distribution of warm and cold water?

• shifts in the Earth's orbit

• prevailing wind patterns (Trade Winds)

• changes in fishing patterns

• changes in water density

What process is shown in this picture?

• Upwelling

• Downwelling

What effect does this process have on the fishing industry?

• No effect

• Positive effect- more fish available for harvest

• Negative effect- few fish available for harvest

During a(n) ____ event, trade winds are much stronger than usual.

• El Nino

• La Nina

• Normal

• Partly sunny

During an El Nino, trade winds are typically...

• about average

• stronger

• weaker

The picture represents a(n) ___ event.

• El Nino

• La Nina

• Non-El Nino (normal conditions)

El Nino occurs when the tropical ocean waters are warmer in which ocean?

• Atlantic
• Indian
• Pacific
• Arctic

Hurricanes move in opposite directions in the northern and southern hemispheres due to ___________________.

• El NIno

• The Coriolis Effect

• La Nina

• upwelling

La Niña is characterized by ______________ of the Western Pacific Ocean.

• a warming

• a cooling

• average temperatures

Which weather conditions are associated with El Nino?

• increased temperature, increased precipitation

• decreased temperature, increased precipitation

• increased temperature, decreased precipitation

• decreased temperature, decreased precipitation