Wet-bulb Depression 1 : The difference between the dry- and wet-bulb temperatures recorded by a psychrometer. Recommended SI unit is degrees Celsius (OC)
The Canadian Interagency Forest Fire Centre (CIFFC), Glossary of Forest Fire Management Terms, Manitoba, Canada 2003. http://bcwildfire.ca/mediaroom/Backgrounders/2003_ Fire_Glossary.pdf, (For Fr - Canad) {474}