Water vapour content of the atmosphere

Value 1.5E+16 kg/yr
Organism Biosphere
Reference Alistair M. Hetherington1 F. Ian Woodward. The role of stomata in sensing and driving environmental change. Nature. 2003 Aug 21 424(6951):901-8. p. 901 right column, top paragraphPubMed ID12931178
Primary Source Ciais, P. et al. A three-dimensional synthesis study of dO18 in atmospheric CO2. I. Surface fluxes. J. Geophys. Res. Atmos. 102, 5857–5872 (1997).
Comments The greatest rates of transpiration occur in the uniform and warm forested areas between the tropics with 32×10^15kg/yr of water vapour passing through stomata (BNID 101753). This is double the water vapour content of the atmosphere (15×10^15kg/yr).
Entered by Ben Marks
ID 101754