stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Global Systems - ENSO/Southern Oscillations Flashcards | StudBud
Explore
/
Global Systems - ENSO/Southern Oscillations
Global Systems - ENSO/Southern Oscillations
20 terms
·
StudBud Administration
·
662 plays
Imported from external platform
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
How often do El Nino or La Nina events occur?
3-6 year cycles
3-8 year cycles
2-5 year cycles
3-7 year cycles
2
What are the main components that change within each ENSO phase?
temperature of water, wind and water circulation direction
temperature of water, sea level
wind and water circulation direction, sea level
sea level, teperature of atmosphere
3
What are the weather extremes caused by El Nino in Australia?
Longer frost season, Risk of droughts, Lower daytime temperatures
Widespread flooding, Lower daytime temperatures, More tropical cyclones
Risk of droughts, Higher temperatures, Heatwaves, Longer frost season
Risk of droughts, Lower daytime temperatures, Tropical cylones
4
What happens in the ocean during El Nino?
Cooling ocean temperatures for the central & eastern tropical pacific ocean
Warming ocean temperatures for the central & eastern tropical pacific ocean
5
What ENSO phase caused the largest bleaching of coral reefs in 2015-16?
El Nina
La Nino
La Nina
El Nino
6
Which direction do the trade winds blow during El Nino?
West
North
South
East
7
True or false: There are only 2 phases that make up ENSO
True
False
8
What direction does the Trade Wind flow in its neutral state?
East to West
West to Southeast
East to Northeast
West to Northeast
9
What are the three phases of southern oscillations?
El Nino, La Nina, Neutral
El Nina, La Nino, Neutral
Nino, Nina, Neutral
El Nino, La Nina
10
What are the weather extremes caused by La Nina?
Risk of droughts, Higher temperatures, Heatwaves, Longer frost season
Risk of droughts, Lower daytime temperatures, Tropical cylones
Widespread flooding, Lower daytime temperatures, More tropical cyclones
Longer frost season, Risk of droughts, Lower daytime temperatures
11
During El Nino, rainfall tends to increase over Australia while rainfall becomes reduced over the eastern pacific ocean
False
True
12
What phase of ENSO is Australia in right now?
La Nina Alert
Neutral/Inactive
El Nino
La Nina
13
How many degrees does the temperature of the Pacific Ocean change between La Nina, Neutral and El Nino?
2-4 degrees
1-3 degrees
1-5 degrees
2-5 degrees
14
What does ENSO stand for?
El Nino La Nina Southern Oscillation
El Nino Southern Oscillation
El Nemo Southern Oscillation
El Nina Southern Oscillation
15
What are the effects climate change has on Southern Oscillations?
The frequency of the ENSO cycle events may increase to a 25 year period
The frequency of the ENSO cycle events may increase to a 15 year period
The frequency of the ENSO cycle events may increase to a 10 year period
The frequency of the ENSO cycle events may increase to a 5 year period
16
Which direction does the surface current move during La Nina?
West
North
East
South
17
Which phase causes warm air to rise over the pacific ocean?
El Nino
Neutral
La Nina
El Nina
18
What happens in the ocean during La Nina?
Cooling ocean temperatures for the central & eastern tropical pacific ocean
Warming ocean temperatures for the central & eastern tropical pacific ocean
19
Southern Oscillation is the change in water and wind circulation and temperature across the Atlantic ocean.
False
True
20
What's the difference in temperature across the Pacific ocean during ENSO?
3-8 degrees celcius
1-3 degrees Celsius
2-3 degrees Celsius
1-6 degrees Celsius
