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Why are the sea level rise projections of the IPCC NOT reassuring?
Why are the sea level rise projections of the IPCC NOT reassuring?
Why are the sea level rise projections of the IPCC NOT reassuring?
A) These values would completely submerge Florida.
B) These values are likely too high.
C) These values are likely too low.
D) Rising sea level is a positive feedb
ebuch_2200   52   1 Reply
6 years ago
12,000 years ago at the end of the last glacial advance, sea levels were:
12,000 years ago at the end of the last glacial advance, sea levels were:
12,000 years ago at the end of the last glacial advance, sea levels were:
A) 120 m higher than today
B) 120 m lower than today
C) 1 km higher than today
D) 1 km lower than today
dada83   89   1 Reply
6 years ago
The current rate of global sea level rise is:
The current rate of global sea level rise is:
The current rate of global sea level rise is:
A) 1.8 mm/year
B) 3.1 mm/year
C) 1.8 m/year
D) 3.1 m/year
ebuch_2200   63   1 Reply
6 years ago
What percentage of the Earth's surface is covered by permanent ice and snow?
What percentage of the Earth's surface is covered by permanent ice and snow?
What percentage of the Earth's surface is covered by permanent ice and snow?
A) 17%
B) 25%
C) 33%
D) 50%
dada83   66   1 Reply
6 years ago
Which of the following statements is NOT true about sea ice?
Which of the following statements is NOT true about sea ice?
Which of the following statements is NOT true about sea ice?
A) Antarctic sea ice growth can double the area of Antarctica.
B) Antarctic sea ice is younger than Arctic sea ice.
C) Arctic sea ice is growing due to increased snowfall.
ebuch_2200   34   1 Reply
6 years ago
How long has it been since the Arctic was ice free?
How long has it been since the Arctic was ice free?
How long has it been since the Arctic was ice free?
A) 100 years
B) 1000 years
C) 100,000 years
D) 1,000,000 years
ebuch_2200   67   1 Reply
6 years ago
Which of the following statements about sea ice is NOT true?
Which of the following statements about sea ice is NOT true?
Which of the following statements about sea ice is NOT true?
A) Annual ice returns every winter and is thin.
B) Multi-year ice in the Arctic is now gone.
C) Melting sea ice has not increased global sea levels.
D) All of the above
dada83   52   1 Reply
6 years ago
Greenland's area can be best described as being comparable to:
Greenland's area can be best described as being comparable to:
Greenland's area can be best described as being comparable to:
A) Manhattan
B) Four times the size of the state of Texas
C) The United States
D) About 1.5 times the area of the United States
dada83   83   1 Reply
6 years ago
Average air temperature over Greenland since the year 2000 has risen by about:
Average air temperature over Greenland since the year 2000 has risen by about:
Average air temperature over Greenland since the year 2000 has risen by about:
A) 1°C
B) 2°C
C) 3°C
D) 4°C
dada83   58   1 Reply
6 years ago
Where in Greenland is ice actually increasing?
Where in Greenland is ice actually increasing?
Where in Greenland is ice actually increasing?
A) North
B) South
C) West
D) Central
ebuch_2200   76   1 Reply
6 years ago
How long would it take all of Greenland's ice to melt?
How long would it take all of Greenland's ice to melt?
How long would it take all of Greenland's ice to melt?
A) 50 years
B) 100 years
C) 1000 years
D) Many thousands of years
dada83   62   1 Reply
6 years ago
If all the ice on Antarctica were to melt, the expected rise in global sea level would rise:
If all the ice on Antarctica were to melt, the expected rise in global sea level would rise:
If all the ice on Antarctica were to melt, the expected rise in global sea level would rise:
A) 3 m
B) 7 m
C) 21 m
D) 61 m
ebuch_2200   68   1 Reply
6 years ago
The West Antarctic Ice Sheet is:
The West Antarctic Ice Sheet is:
The West Antarctic Ice Sheet is:
A) Grounded on bedrock and considered to be very stable
B) Grounded on bedrock and considered to be unstable
C) Grounded on ocean floor and considered to be very stable
D) Grounded on ocean floor a
dada83   78   1 Reply
6 years ago
The Larsen B Ice Shelf collapsed from the:
The Larsen B Ice Shelf collapsed from the:
The Larsen B Ice Shelf collapsed from the:
A) Antarctic Peninsula
B) West Antarctic Ice Sheet
C) East Antarctic Ice Sheet
D) Greenland
dada83   52   1 Reply
6 years ago
What percentage of the world's landmass is affected by permafrost?
What percentage of the world's landmass is affected by permafrost?
What percentage of the world's landmass is affected by permafrost?
A) 10%
B) 20%
C) 30%
D) 40%
dada83   37   1 Reply
6 years ago
Climate change has resulted in:
Climate change has resulted in:
Climate change has resulted in:
A) More intense heat waves
B) Stronger floods
C) More serious fires
D) All of the above
dada83   47   1 Reply
6 years ago
How much has precipitation increased in the United States since 1900?
How much has precipitation increased in the United States since 1900?
How much has precipitation increased in the United States since 1900?
A) 0%
B) 10%
C) 25%
D) 50%
dada83   51   1 Reply
6 years ago
Which region of the United States is expected to experience the greatest drought due to climate ...
Which region of the United States is expected to experience the greatest drought due to climate ...
Which region of the United States is expected to experience the greatest drought due to climate change?
A) Upper Midwest
B) Southeast
C) Southwest
D) West Coast
dada83   82   1 Reply
6 years ago
Which of the following changes is expected for Atlantic hurricanes in a warmer world?
Which of the following changes is expected for Atlantic hurricanes in a warmer world?
Which of the following changes is expected for Atlantic hurricanes in a warmer world?
A) Greater intensity
B) Greater rainfall
C) Greater storm surge
D) All of the above
dada83   49   1 Reply
6 years ago
Given our current understanding about climate change and hurricanes, which statement below is most ...
Given our current understanding about climate change and hurricanes, which statement below is most ...
Given our current understanding about climate change and hurricanes, which statement below is most accurate?
A) Hurricane Katrina was caused by global warming.
B) Hurricane Katrina was influenced by global warming.
C) Hurricane Katrina
dada83   72   1 Reply
6 years ago
Which of the following would NOT be evidence for manmade global warming?
Which of the following would NOT be evidence for manmade global warming?
Which of the following would NOT be evidence for manmade global warming?
A) Nights warming faster than days
B) Winters warming faster than summers
C) Interior locations warming faster than coastal locations
D) High latitudes warmi
ebuch_2200   73   1 Reply
6 years ago
How does the number of sunspots influence climate? How do we know that the observed warming since ...
How does the number of sunspots influence climate? How do we know that the observed warming since ...
How does the number of sunspots influence climate? How do we know that the observed warming since 1975 is not caused by sunspots?
dada83   54   1 Reply
6 years ago
How does changing orbital eccentricity influence climate?
How does changing orbital eccentricity influence climate?
How does changing orbital eccentricity influence climate?
dada83   62   1 Reply
6 years ago
Although it is a powerful greenhouse gas, why is water vapor not considered to be a climate forcing ...
Although it is a powerful greenhouse gas, why is water vapor not considered to be a climate forcing ...
Although it is a powerful greenhouse gas, why is water vapor not considered to be a climate forcing mechanism?
ebuch_2200   71   1 Reply
6 years ago
Define radiative forcing. Describe one large positive radiative forcing agent and one large negative ...
Define radiative forcing. Describe one large positive radiative forcing agent and one large negative ...
Define radiative forcing. Describe one large positive radiative forcing agent and one large negative radiative forcing agent.
dada83   94   1 Reply
6 years ago
Define climate sensitivity. What is the consensus estimated value for sensitivity?
Define climate sensitivity. What is the consensus estimated value for sensitivity?
Define climate sensitivity. What is the consensus estimated value for sensitivity?
dada83   77   1 Reply
6 years ago
Earth's climate system only includes atmosphere, ice, and oceans.
Earth's climate system only includes atmosphere, ice, and oceans.
Earth's climate system only includes atmosphere, ice, and oceans.
dada83   59   1 Reply
6 years ago
A greater number of sunspots increases total solar irradiance.
A greater number of sunspots increases total solar irradiance.
A greater number of sunspots increases total solar irradiance.
dada83   54   1 Reply
6 years ago
During the past 30 years, sunspots have contributed about 10% to the observed rise in average global ...
During the past 30 years, sunspots have contributed about 10% to the observed rise in average global ...
During the past 30 years, sunspots have contributed about 10% to the observed rise in average global temperature.
ebuch_2200   64   1 Reply
6 years ago
According to obliquity cycles, Earth should be cooling for the next 8,000 years.
According to obliquity cycles, Earth should be cooling for the next 8,000 years.
According to obliquity cycles, Earth should be cooling for the next 8,000 years.
ebuch_2200   50   1 Reply
6 years ago
Ice sheets grow in the Northern Hemisphere when eccentricity is large, Earth is at aphelion in ...
Ice sheets grow in the Northern Hemisphere when eccentricity is large, Earth is at aphelion in ...
Ice sheets grow in the Northern Hemisphere when eccentricity is large, Earth is at aphelion in summer, and obliquity is small.
ebuch_2200   62   1 Reply
6 years ago
Greenhouse gases heat the atmosphere by reflecting outgoing solar radiation.
Greenhouse gases heat the atmosphere by reflecting outgoing solar radiation.
Greenhouse gases heat the atmosphere by reflecting outgoing solar radiation.
ebuch_2200   67   1 Reply
6 years ago
Of the carbon dioxide emitted by human activities, most remains in the air today.
Of the carbon dioxide emitted by human activities, most remains in the air today.
Of the carbon dioxide emitted by human activities, most remains in the air today.
ebuch_2200   57   1 Reply
6 years ago
Although the Earth receives 1,366 Wm-2 of energy from the sun at the top of the atmosphere, only 342 ...
Although the Earth receives 1,366 Wm-2 of energy from the sun at the top of the atmosphere, only 342 ...
Although the Earth receives 1,366 Wm-2 of energy from the sun at the top of the atmosphere, only 342 Wm-2 is actually heating the planet at any given time.
dada83   59   1 Reply
6 years ago
The enhanced greenhouse effect occurs primarily because adding more CO2 to the atmosphere causes the ...
The enhanced greenhouse effect occurs primarily because adding more CO2 to the atmosphere causes the ...
The enhanced greenhouse effect occurs primarily because adding more CO2 to the atmosphere causes the top of atmosphere radiating location to be at a higher, colder altitude.
ebuch_2200   54   1 Reply
6 years ago
Aerosols can both absorb and reflect energy.
Aerosols can both absorb and reflect energy.
Aerosols can both absorb and reflect energy.
dada83   55   1 Reply
6 years ago
Explain each of the three parts of the Milankovitch Cycle (eccentricity, obliquity, precession). ...
Explain each of the three parts of the Milankovitch Cycle (eccentricity, obliquity, precession). ...
Explain each of the three parts of the Milankovitch Cycle (eccentricity, obliquity, precession). Next, describe the conditions needed for maximum ice sheet growth in the Northern Hemisphere. Do the same for minimum ice sheet coverage in the Northern
dada83   58   1 Reply
6 years ago
The total solar irradiance (TSI) received at the top of Earth's atmosphere is:
The total solar irradiance (TSI) received at the top of Earth's atmosphere is:
The total solar irradiance (TSI) received at the top of Earth's atmosphere is:
A) 235 Wm-2
B) 342 Wm-2
C) 1,370 Wm-2
D) None of the above
ebuch_2200   72   1 Reply
6 years ago
The dark portion of sunspots:
The dark portion of sunspots:
The dark portion of sunspots:
A) Are cooler than surroundings
B) Are warmer than surroundings
C) Are the same temperature as surroundings
D) Vary between warmer and cooler than surroundings
dada83   57   1 Reply
6 years ago
Sunspots vary in number along a cycle that lasts for:
Sunspots vary in number along a cycle that lasts for:
Sunspots vary in number along a cycle that lasts for:
A) 5.5 years
B) 11 years
C) 24 years
D) 42 years
dada83   68   1 Reply
6 years ago
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