specific humidity Mw/(Md+Mw) where Md is mass of dry air and Mw is mass of water vapour. to a good approximation Q=mw*ev/md*p where ma and mw are the mean molecular masses. After Arya, S. P. (2001) Introduction to Micrometeorology. International Geophysics Series (Vol. 79, p. 420). San Diego: Academic Press. doi:10.4043/13298-MS
1 | Q(ev, p)
|
ev |
is water vapour pressure |
p |
is total pressure. |
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