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WorksheetsEl Nino
Total questions: 24
Worksheet time: 13mins
An El Nino event occurs when the ocean temperature raises __ degrees or higher for ___ month.
10, 6
5, 6
1, 6
0.5, 3
Does this image show normal or El Nino conditions?
normal
El Nino
Which pattern is shown in the illustration?
normal
El Nino
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
Which region would receive the most precipitation in this ocean circulation pattern?
South America
Indonesia
Which region would likely experience a drought during this ocean circulation pattern?
South America
Indonesia
Which date shows El Nino?
January 2015
November 2015
In general, El Nino years produce ____ hurricanes and named stormed than La Nina or neutral circulation patterns
more
fewer
the same number of
Which circulation pattern is being modeled?
normal
El Nino
What is represented by the oil (yellow)?
warm water
cool water
What is represented by the green?
warm water
cool water
During a positive Indian Ocean Dipole (IOD), where is flooding likely to occur?
A
B
C
During a positive IOD, where are cooler air and ocean surface temperatures found?
A
B
C
Given a limited set of data- 10 years or less, how confident would you be in drawing a conclusion or making a decision about a climate scenario?
very confident
Not very confident
Describe the prevailing winds in this situation
strong winds blowing west to east
strong winds blowing east to west
weak winds blowing west to east
weak winds blowing east to west
What process is shown in this picture?
(a)
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
When does this process occur?
Normal conditions
El Nino conditions
La Nina conditions
Where does this process occur?
On the west side of the Pacific Ocean basin near Indonesia
On the east side of the Pacific Ocean basin near Ecuador
Near the center of the Pacific ocean
What is shown in the picture?
Normal conditions
La Nina conditions
El Nino conditions
The red line represents the number of hurricanes while the blue line represents ocean temperature anomaly. What was occurring in 2011?
La Nina
El Nino
The red line represents the number of hurricanes while the blue line represents ocean temperature anomaly. What was occurring between 1990 and 1994?
La Nina
El Nino
The red line represents the number of hurricanes while the blue line represents ocean temperature anomaly. What is the relationship between El Nino years and the number of hurricanes?
There are fewer hurricanes during El Nino years than there are during La Nina years
There are more hurricanes during El Nino years than there are during La Nina years
What term is used to describe a value above or below the average?
(a)
