Question 1

If a volcanic eruption produces a climate impact that lasts for a year or longer,the most likely culprit is:

Accepted Answer

A) ash suspended in the atmosphere. 
B) the state of the climate at the time of the eruption. 
C) aerosols produced by sulfur dioxide emitted from the volcano. 
D) a high volume of debris ejected during the eruption. 
A) ash suspended in the atmosphere. 
B) the state of the climate at the time of the eruption. 
C) aerosols produced by sulfur dioxide emitted from the volcano. 
D) a high volume of debris ejected during the eruption.

Question 2

List four greenhouse gases.

Accepted Answer

carbon dioxide,metha

Question 3

The continents have been in the exact same locations since the earth began.

Accepted Answer

A) True 
 B)False

Question 4

Which one of the following statements is not related to the astronomical theory of climatic change?

Accepted Answer

A) variations in the shape of the earth's orbit 
B) changes in the angle that the earth's axis makes with the plane of the ecliptic 
C) wobbling of the earth's axis 
D) variations in solar output 
E) distance variations between the earth and the Sun 
A) variations in the shape of the earth's orbit 
B) changes in the angle that the earth's axis makes with the plane of the ecliptic 
C) wobbling of the earth's axis 
D) variations in solar output 
E) distance variations between the earth and the Sun

Question 5

Studies of ocean-floor sediments are of little use when studying long-term climate change.

Accepted Answer

A) True 
 B)False

Question 6

Which of these is the most important cause of the increase in atmospheric CO₂?

Accepted Answer

A) decaying vegetation 
B) burning of coal and petroleum 
C) wetlands and swamps 
D) cattle 
E) deforestation 
A) decaying vegetation 
B) burning of coal and petroleum 
C) wetlands and swamps 
D) cattle 
E) deforestation

Question 7

Proxy data:

Accepted Answer

A) provide climate data representing times when instruments were not available to measure them. 
B) are difficult to find because they occur only in very limited areas. 
C) come quality-controlled instrument records. 
D) can only extend the temperature record back an additional 500 years. 
A) provide climate data representing times when instruments were not available to measure them. 
B) are difficult to find because they occur only in very limited areas. 
C) come quality-controlled instrument records. 
D) can only extend the temperature record back an additional 500 years.

Question 8

Measured variations in the Sun's emission of radiation and observed changes in the earth's climate:

Accepted Answer

A) have not been clearly linked. 
B) happen on an 11-year cycle. 
C) happen on a 22-year cycle. 
D) are well understood. 
A) have not been clearly linked. 
B) happen on an 11-year cycle. 
C) happen on a 22-year cycle. 
D) are well understood.

Question 9

Global warming could lead to a shorter growing season at high latitudes

Accepted Answer

A) True 
 B)False

Question 10

The best way to estimate the cooling effect of a volcanic eruption is by estimating the volume of material ejected.

Accepted Answer

A) True 
 B)False

Question 11

Past climate data measured with instruments extends back about

Accepted Answer

A) 30 yrs. 
B) 200 yrs. 
C) 100 yrs. 
D) 500 yrs. 
A) 30 yrs. 
B) 200 yrs. 
C) 100 yrs. 
D) 500 yrs.

Question 12

The tilt of the earth's axis varies between 22.1 and 28.5 degrees.

Accepted Answer

A) True 
 B)False

Question 13

Although the carbon dioxide content of our atmosphere has been rising,the outlook is that,in the very near future,the carbon dioxide content will stabilize (stop increasing)and perhaps even decline.

Accepted Answer

A) True 
 B)False

Question 14

One possible result of the addition of carbon dioxide to the atmosphere is an increase in cloud cover which,in turn,could partly offset a global temperature increase.

Accepted Answer

A) True 
 B)False

Question 15

Requirements for an ice age on Earth include:

Accepted Answer

A) smaller obliquity angle. 
B) a weaker Sun. 
C) larger obliquity angle. 
D) continents located at high latitudes. 
E) continents located at low latitudes. 
A) smaller obliquity angle. 
B) a weaker Sun. 
C) larger obliquity angle. 
D) continents located at high latitudes. 
E) continents located at low latitudes.

Question 16

CO₂ concentrations today are not any higher than they have been during past high points over the last 400,000 years.

Accepted Answer

A) True 
 B)False

Question 17

The part of a plant that is best preserved and can most easily be used for climate reconstruction is:

Accepted Answer

A) the leaf vein. 
B) the pollen. 
C) the root structure. 
D) the flower. 
A) the leaf vein. 
B) the pollen. 
C) the root structure. 
D) the flower.

Question 18

Astronomical causes of climate change occur with cycles of:

Accepted Answer

A) 1 - 5 million yrs. 
B) 20,000 yrs. 
C) 450,000 yrs. 
D) 100 million yrs. 
E) 26,000 - 100,000 yrs. 
A) 1 - 5 million yrs. 
B) 20,000 yrs. 
C) 450,000 yrs. 
D) 100 million yrs. 
E) 26,000 - 100,000 yrs.

Question 19

Global warming may cause changes in Earth's albedo.

Accepted Answer

A) True 
 B)False

Question 20

Compared to climate changes due to plate tectonics and astronomical causes,the changes due to volcanic eruptions are:

Accepted Answer

A) very short. 
B) much larger. 
C) longer. 
D) of equal duration. 
A) very short. 
B) much larger. 
C) longer. 
D) of equal duration.

If a volcanic eruption produces a climate impact that lasts for a year or longer,the most likely culprit is:

List four greenhouse gases.

The continents have been in the exact same locations since the earth began.

Which one of the following statements is not related to the astronomical theory of climatic change?

Studies of ocean-floor sediments are of little use when studying long-term climate change.

Which of these is the most important cause of the increase in atmospheric CO₂?

Proxy data:

Measured variations in the Sun's emission of radiation and observed changes in the earth's climate:

Global warming could lead to a shorter growing season at high latitudes

The best way to estimate the cooling effect of a volcanic eruption is by estimating the volume of material ejected.

Past climate data measured with instruments extends back about

The tilt of the earth's axis varies between 22.1 and 28.5 degrees.

Although the carbon dioxide content of our atmosphere has been rising,the outlook is that,in the very near future,the carbon dioxide content will stabilize (stop increasing)and perhaps even decline.

One possible result of the addition of carbon dioxide to the atmosphere is an increase in cloud cover which,in turn,could partly offset a global temperature increase.

Requirements for an ice age on Earth include:

CO₂ concentrations today are not any higher than they have been during past high points over the last 400,000 years.

The part of a plant that is best preserved and can most easily be used for climate reconstruction is:

Astronomical causes of climate change occur with cycles of:

Global warming may cause changes in Earth's albedo.

Compared to climate changes due to plate tectonics and astronomical causes,the changes due to volcanic eruptions are:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 14: The Changing Climate

If a volcanic eruption produces a climate impact that lasts for a year or longer,the most likely culprit is:

List four greenhouse gases.

The continents have been in the exact same locations since the earth began.

Which one of the following statements is not related to the astronomical theory of climatic change?

Studies of ocean-floor sediments are of little use when studying long-term climate change.

Which of these is the most important cause of the increase in atmospheric CO₂?

Proxy data:

Measured variations in the Sun's emission of radiation and observed changes in the earth's climate:

Global warming could lead to a shorter growing season at high latitudes

The best way to estimate the cooling effect of a volcanic eruption is by estimating the volume of material ejected.

Past climate data measured with instruments extends back about

The tilt of the earth's axis varies between 22.1 and 28.5 degrees.

Although the carbon dioxide content of our atmosphere has been rising,the outlook is that,in the very near future,the carbon dioxide content will stabilize (stop increasing)and perhaps even decline.

One possible result of the addition of carbon dioxide to the atmosphere is an increase in cloud cover which,in turn,could partly offset a global temperature increase.

Requirements for an ice age on Earth include:

CO₂ concentrations today are not any higher than they have been during past high points over the last 400,000 years.

The part of a plant that is best preserved and can most easily be used for climate reconstruction is:

Astronomical causes of climate change occur with cycles of:

Global warming may cause changes in Earth's albedo.

Compared to climate changes due to plate tectonics and astronomical causes,the changes due to volcanic eruptions are:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

World Climates

Optical Phenomena of the Atmosphere

Filters