Summary: Energy Budgets:
From a Person to a Planet
Richard Allan
Environmental Systems Science Centre
University of Reading
Everything emits radiation
units: Watts per metre squared (Wm2
)
Cool things: long wave
length or thermal
radiation, e.g. us ~300 K
Hot things: short wave
length radiation, e.g.
the sun ~6000 K
Human energy
balance
20o
C
30o
C