1. Atmospheric Structure

Radiative Balance — Quiz

Test your understanding of radiative balance with 5 practice questions.

Practice Questions

Question 1

Which of the following best defines radiative equilibrium for Earth?

Question 2

Given a solar constant $S_0=1361\,\mathrm{W/m^2}$ and Earth's albedo $\alpha=0.30$, what is the average net solar radiation absorbed per square meter of Earth's surface?

Question 3

If Earth's outgoing longwave radiation at the top of the atmosphere is 238 W/m^2, what is the effective radiating temperature $T_e$?

Question 4

What is the net radiation $Q^*$ at Earth's surface if $\mathrm{SW\downarrow}=500\,\mathrm{W/m^2}$, $\mathrm{SW\uparrow}=100\,\mathrm{W/m^2}$, $\mathrm{LW\downarrow}=350\,\mathrm{W/m^2}$, and $\mathrm{LW\uparrow}=400\,\mathrm{W/m^2}$?

Question 5

For a greybody Earth surface with emissivity $\epsilon=0.95$ at temperature $T=288\,\mathrm{K}$, what is the approximate upward longwave flux $F_{\uparrow}$?