ESS124
Prof. Jin-Yi Yu
Relative Humidity
D:\yu\maker\talk\uci\class\ESS55\image\rh.pressure.eq.gif
• Humans are sensitive to how close air is to saturation, the quantity “Relative Humidity” was invent to describe this atmospheric property.
specific humidity
6 gm/kg
saturated
specific humidity
10 gm/kg
saturated
specific humidity
20 gm/kg
Relative humidity
6/20 x 100%=30 %
Relative humidity
6/10 x 100%=60 %