An increase in the amount of high altitude,ice crystal (cirrus)clouds would
A)cool the planet in a process called cloud-albedo forcing.
B)warm the planet in a process called cloud-greenhouse forcing.
C)warm the planet in a process called cloud-albedo forcing.
D)cool the planet in a process called cloud-greenhouse forcing.
E)have no effect on the planet's temperature because insolation is constant.

Question

Quizplus · Accepted Answer

High altitude, ice crystal clouds (cirrus clouds) have a warming effect on the planet because they act as a "blanket" trapping heat radiated by the Earth's surface (greenhouse effect). This is called cloud-greenhouse forcing.

An Increase in the Amount of High Altitude,ice Crystal (Cirrus)clouds