Kiehl-Trenberth 1997 / 2009 update: 341 W/m^2 incoming -> 102 reflected + 239 absorbed at TOA; 333 W/m^2 back-radiation from greenhouse-warmed atmosphere; closes within +0.6 W/m^2 imbalance.
Kiehl-Trenberth 1997 / 2009 update: 341 W/m^2 incoming -> 102 reflected + 239 absorbed at TOA; 333 W/m^2 back-radiation from greenhouse-warmed atmosphere; closes within +0.6 W/m^2 imbalance.