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
Simmons, A.J., Jones, P.D., da Costa Bechtold, V., Beljaars, A.C.M., Kallberg, Saarinen, S., Uppala, S.M., Viterbo, P. and Wedi, N., 2004
“Comparison of trends and low-frequency variability in CRU, ERA-40, and NCEP/NCAR analyses of surface air temperature.”
Journal of Geophysical Research 109, doi:10.1029/2004JD005306, D24115 American Geophysical Union (R)
(keywords: trends variability surface air temperature)
Simmons, A.J., Jones, P.D., da Costa Bechtold, V., Beljaars, A.C.M., Kallberg, P.W., Saarinen, S.M., Viterbo, P. and Wedi, N., 2004
“Comparison of trends and variability in CRU, ERA-40 and NCEP/NCAR analyses of monthly-mean surface air temperature.”
ERA-40 Project Report Series 18 38pp ECMWF, Reading, UK