Abstract: A modified diffusion equation for a passive scalar is proposed. It is similar (but not equal) to the ?telegraph? equation and describes also ?finite-velocity? diffusion. It is shown that earlier countergradient, or better, ...

Abstract: In climate research there is a strong need for accurate observations of water vapor in the upper atmosphere. Radiosoundings provide relative humidity profiles but the accuracy of many routine instruments is notoriously ...

Abstract: he International Climate Assessment & Dataset (ICA&D) concept provides climate services on a regional scale for users in participating countries and the broader scientific community. It builds on the expertise gained in ...