Podcast
Questions and Answers
What is the main difference between terrestrial radiation from cloudy skies and cloudless skies?
What is the main difference between terrestrial radiation from cloudy skies and cloudless skies?
- Cloudy skies have more accurate climatological studies of radiation balance.
- Cloudless skies are not affected by rapid air temperature changes near the surface.
- Cloudy skies are more accurate for micrometeorological analyses over short periods.
- Cloudless skies have more direct functional relationships with radiative fluxes. (correct)
Which weather conditions make the statistical correlations for terrestrial radiation most accurate?
Which weather conditions make the statistical correlations for terrestrial radiation most accurate?
- Exceptionally dry air.
- Humid air near the surface.
- Gradual changes in air temperature near the surface. (correct)
- Rapid increase or decrease in air temperature.
What does net radiation received by a horizontal surface include?
What does net radiation received by a horizontal surface include?
- Total flux and radiant flux received at the ground. (correct)
- Only upward radiative flux.
- Reflection coefficient.
- Only downward radiative flux.
Which type of radiation is categorized as upward radiative flux?
Which type of radiation is categorized as upward radiative flux?
What does downward radiative flux represent?
What does downward radiative flux represent?
What is the main factor affecting the spectral distribution of direct, diffuse, and total solar radiation?
What is the main factor affecting the spectral distribution of direct, diffuse, and total solar radiation?
On a cloudless day, where is most of the radiation emitted by the Earth's surface absorbed within the atmosphere?
On a cloudless day, where is most of the radiation emitted by the Earth's surface absorbed within the atmosphere?
What happens to the energy absorbed by atmospheric gases like water vapor and carbon dioxide?
What happens to the energy absorbed by atmospheric gases like water vapor and carbon dioxide?
To maintain equilibrium, what must balance the average net gain from solar radiation for the Earth as a planet?
To maintain equilibrium, what must balance the average net gain from solar radiation for the Earth as a planet?
Which factor has a maximum energy per unit wavelength at around 0.46 μm?
Which factor has a maximum energy per unit wavelength at around 0.46 μm?
Where does much of the atmospheric radiation that reaches the Earth's surface originate from?
Where does much of the atmospheric radiation that reaches the Earth's surface originate from?
What is the fraction of solar radiation scattered to space from clouds and the surface, denoted as ρE?
What is the fraction of solar radiation scattered to space from clouds and the surface, denoted as ρE?
Which law is used to compute the temperature corresponding to an equivalent black-body temperature of the earth viewed from space?
Which law is used to compute the temperature corresponding to an equivalent black-body temperature of the earth viewed from space?
What is the value of the emitted radiative flux density (emittance) to space, denoted as L?
What is the value of the emitted radiative flux density (emittance) to space, denoted as L?
Which phenomenon is commonly called the greenhouse effect?
Which phenomenon is commonly called the greenhouse effect?
How can the upward radiative flux Lu from a surface be measured?
How can the upward radiative flux Lu from a surface be measured?
How can the downward radiative flux Ld from the atmosphere be estimated?
How can the downward radiative flux Ld from the atmosphere be estimated?
