Reports on ICON 004: ecRad in ICON - Implementation Overview

Daniel Rieger, Martin Köhler, Robin J. Hogan, Sophia A.K. Schäfer, Axel Seifert, Alberto de Lozar & Günther Zängl
The new radiation package ecRad from ECMWF (European Centre for Medium-RangeWeather Forecasts) has been successfully implemented into the numerical weather prediction(NWP) physics package of ICON. This article describes the concept of the implementation, lists assumptions that have been made and provides an overview on the available namelistsettings to control ecRad. First results are presented including a comparison with the RRTM (Rapid Radiative Transfer Model) radiation scheme currently used operationally for NWP and a comparison with...
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