Longwave radiation (+ LW)arriving at the Earth's surface
A)comes primarily from infrared energy emitted by the atmosphere.
B)comes directly from the Sun.
C)comes from diffuse solar radiation.
D)comes from UV radiation reflected from the bottoms of clouds.
E)encompasses energy primarily in the visible portion of the electromagnetic spectrum.

Question

Quizplus · Accepted Answer

Longwave radiation, also known as infrared radiation, is primarily emitted by the Earth's atmosphere due to the absorption of shortwave solar radiation. This absorbed solar radiation is then re-emitted as longwave radiation back towards the Earth's surface.

Longwave Radiation (+ LW)arriving at the Earth's Surface