Podcast
Questions and Answers
What determines the temperature of Earth?
What determines the temperature of Earth?
- The amount of sunlight Earth receives and the atmospheric retention of re-radiated heat (correct)
- The amount of sunlight Earth reflects and atmospheric retention of re-radiated heat
- The amount of greenhouse gases in the atmosphere and Earth's distance from the Sun
- The amount of water vapor in the atmosphere and Earth's axial tilt
What is the main reason for the increase in greenhouse gas concentrations in the atmosphere?
What is the main reason for the increase in greenhouse gas concentrations in the atmosphere?
- Changes in the Earth's magnetic field and solar flare activity
- Agriculture, deforestation, and burning of fossil fuels (correct)
- Increase in Earth's axial tilt and changes in Earth's orbit
- Volcanic eruptions and natural wildfires
What would happen to the Earth's surface if there was no greenhouse effect?
What would happen to the Earth's surface if there was no greenhouse effect?
- The Earth would be much hotter and humid
- Most of the surface water would be frozen (correct)
- The Earth's atmosphere would disappear
- Most of the surface water would evaporate
What is the main function of greenhouse gases in the atmosphere?
What is the main function of greenhouse gases in the atmosphere?
What has been the trend in carbon dioxide concentrations in the atmosphere over the past few centuries?
What has been the trend in carbon dioxide concentrations in the atmosphere over the past few centuries?
What is the term for the natural phenomenon that occurs on Earth and other planets, where certain gases in the atmosphere trap heat?
What is the term for the natural phenomenon that occurs on Earth and other planets, where certain gases in the atmosphere trap heat?
What is the effect of atmospheric aerosols on air mean temperature in the USA?
What is the effect of atmospheric aerosols on air mean temperature in the USA?
What is the consequence of drought on the global warming process?
What is the consequence of drought on the global warming process?
What is the effect of particles of ash and sulfur dioxide on incoming solar radiation?
What is the effect of particles of ash and sulfur dioxide on incoming solar radiation?
What is the projected consequence of global warming on glaciers?
What is the projected consequence of global warming on glaciers?
What is the impact of wildfires on the atmosphere?
What is the impact of wildfires on the atmosphere?
What is the consequence of global warming on ecosystems?
What is the consequence of global warming on ecosystems?
What is the primary cause of a rise in Earth's temperature, according to the concept of radiative forcing?
What is the primary cause of a rise in Earth's temperature, according to the concept of radiative forcing?
What period of climate history is associated with increased solar radiation?
What period of climate history is associated with increased solar radiation?
What is the primary mechanism by which volcanic eruptions influence the climate?
What is the primary mechanism by which volcanic eruptions influence the climate?
What is the observed trend in the troposphere and stratosphere since 1975 that contradicts the expectation of a hotter sun?
What is the observed trend in the troposphere and stratosphere since 1975 that contradicts the expectation of a hotter sun?
What is the role of solar variation in climate change over geological timescales?
What is the role of solar variation in climate change over geological timescales?
What is the outcome of a negative radiative forcing?
What is the outcome of a negative radiative forcing?
