Surface Reflectivity Flashcards
what is the earth’s climate driven by
the earth’s climate is driven by the suns energy, with different surfaces reflecting varying amounts of radiation (albedo)
what is earths average albedo
earth’s average albedo is 0.31, reflecting nearly a third of insolation back into space
what are other location’s albedos
Forests, oceans, cities and deserts all have different albedos, with values ranging from 0.06 to 0.85
what does the Earth’s heat budget involve
the earths heat budget involves examining the amount of suns energy reflected, absorbed, or radiated back into space
when does the radioactive equilibrium occur
when the flow of insulation is balanced by an equal flow of outgoing terrestrial radiation
what do changes in incoming or outgoing energy cause
disturb earths radioactive equilibrium, causing global temperatures fluctuations