Which type of heat transfer causes most of the heating in the troposphere?

There are three types of heat transfer mechanisms:





Conduction, Convection, and Radiation





Of those three, convection causes most heating in the troposphere. The reason behind this is the fact that solar radiation primarily manages to heat the surface of the Earth, not so much the air above it. The surface of the Earth's produces thermals, which rise and heat the air throughout the troposphere.