Question

What is solar irradiance and how does it affect climate on earth?.

Answer 1

• The Sun's irradiance has its greatest effect on Earth's upper atmosphere, while the lower atmosphere insulates Earth from the increased heat.

If the Sun were driving Earth's warming, one would expect to see that upper atmosphere getting increasingly hot.The Sun's irradiance has its greatest effect on Earth's upper atmosphere, while the lower atmosphere insulates Earth from the increased heat.