Radiative flux and forcing parameterization error in aerosol-free clear skies

Robert Pincus; Eli J Mlawer; Lazaros Oreopoulos; Andrew S Ackerman; Sunghye Baek; Manfred Brath; Stefan A Buehler; Karen E Cady-Pereira; Jason N S Cole; Jean-Louis Dufresne; Maxwell Kelley; Jiangnan Li; James Manners; David J Paynter; Romain Roehrig; Miho Sekiguchi; Daniel M Schwarzkopf

doi:10.1002/2015GL064291

Radiative flux and forcing parameterization error in aerosol-free clear skies

Geophys Res Lett. 2015 Jul 16;42(13):5485-5492. doi: 10.1002/2015GL064291. Epub 2015 Jul 3.

Authors

Robert Pincus¹, Eli J Mlawer², Lazaros Oreopoulos³, Andrew S Ackerman⁴, Sunghye Baek⁵, Manfred Brath⁶, Stefan A Buehler⁶, Karen E Cady-Pereira², Jason N S Cole⁷, Jean-Louis Dufresne⁸, Maxwell Kelley⁹, Jiangnan Li⁷, James Manners¹⁰, David J Paynter¹¹, Romain Roehrig¹², Miho Sekiguchi¹³, Daniel M Schwarzkopf¹¹

Affiliations

¹ Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder Boulder Colorado USA; Physical Sciences Division NOAA/Earth System Research Lab Boulder Colorado USA.
² Atmospheric and Environmental Research Lexington Massachusetts USA.
³ Earth Science Division NASA Goddard Space Flight Center Greenbelt Maryland USA.
⁴ Goddard Institute for Space Studies New York New York USA.
⁵ CNRS/IPSL/LMD, Université Pierre et Marie Curie Paris France; Korea Institute of Atmospheric Prediction Systems Seoul Korea.
⁶ Meteorological Institute University of Hamburg Hamburg Germany.
⁷ Canadian Center Climate Modelling and Analysis Environment Canada Victoria British Columbia Canada.
⁸ CNRS/IPSL/LMD, Université Pierre et Marie Curie Paris France.
⁹ Goddard Institute for Space Studies New York New York USA; Trinnovim LLC New York New York USA.
¹⁰ Met Office Exeter UK.
¹¹ NOAA Geophysical Fluid Dynamics Laboratory Princeton New Jersey USA.
¹² Centre National de Recherches Météorologiques-GAME, Météo-France and CNRS Toulouse France.
¹³ Department of Marine Electronics and Mechanical Engineering Tokyo University of Marine Science and Technology Tokyo Japan.

Abstract

Radiation parameterizations in GCMs are more accurate than their predecessorsErrors in estimates of 4 ×CO₂ forcing are large, especially for solar radiationErrors depend on atmospheric state, so global mean error is unknown.

Keywords: Parameterization; Radiation; Radiative forcing.