What is the source for longwave radiation (+ LW↓)arriving at Earth's surface?
A)It comes primarily from infrared energy emitted by the atmosphere.
B)It comes directly from the Sun.
C)It comes from diffuse solar radiation.
D)It comes from UV radiation reflected from the bottoms of clouds.

Question

Quizplus · Accepted Answer

Longwave radiation arriving at Earth's surface primarily comes from infrared energy emitted by the atmosphere. This is also known as terrestrial radiation or terrestrial longwave radiation.

What Is the Source for Longwave Radiation (+ LW↓)arriving at Earth's