One model produced realistic covariability between cloud cover, sea surface temperatures, and atmospheric circulation for the 20th century. (science.sciencemag.org)
This procedure requires estimates of the natural spatio - temporal covariability of the observations, which are usually derived from AO - GCM control runs, employing an optimal fingerprinting approach. (climateaudit.org)
«Aerosol and cloud microphysics covariability in the northeast Pacific boundary layer estimated with ship - based and satellite remote sensing observations.» (arm.gov)