Simmons, A.J., Willett, K.M., Jones, P.D., Thorne, P.W. and Dee, D., 2010
“Low-frequency variations in surface atmospheric humidity, temperature and precipitation: Inferences from reanalyses and monthly gridded observational datasets.”
Journal of Geophysical Research, 115, D01110, doi:10.1029/2009JD012442
Willett, K.M., Jones, P.D., Gillett, N.P. and Thorne, P.W., 2008
“Recent Changes in Surface Humidity: Development of the HadCRUH Dataset”
Journal of Climate, 21 doi:10.1175/2008JCLI2274.1 5364-5383
Willett, K.M., Gillett, N.P., Jones, P.D., and Thorne, P.W., 2007
“Attribution of observed surface humidity changes to human influence.”
Nature, 449 710-712