Lecture 2: Global Energy Cycle

Solar Flux and Flux Density

Solar Flux Density Reaching Earth

Solar Energy Incident On the Earth

Solar Energy Absorbed by Earth

What Happens After the Earth Absorbs Solar Energy?

Blackbody Radiation

Energy Emitted from Earth

Planetary Energy Balance

Greenhouse Effect

Different Wavelengths of Solar and Earth’s Radiation

Greenhouse Gases

Where Does the Solar Energy Go?

Where Is Earth’s Radiation Emitted From?

Important Roles of Clouds In Global Climate

Polarward Energy Transport

How Do Atmosphere and Ocean Transport Heat?