TY - ECHAP AU - ECMWF AB - Chapter 1 Overview
Chapter 2 Radiation
Chapter 3 Turbulent transport and interactions with the surface
Chapter 4 Subgrid-scale orographic drag
Chapter 5 Non-orographic gravity wave drag
Chapter 6 Convection
Chapter 7 Clouds and large-scale precipitation
Chapter 8 Surface parameterisation
Chapter 9 Methane oxidation
Chapter 10 Ozone chemistry parametrisation 
Chapter 11 Climatological data 
Chapter 12 Basic physical constants, thermodynamic functions,
energy potentials and column integrals BT - IFS Documentation CY50R1 DA - 06/2026 DO - 10.21957/49928f2338 N2 - Chapter 1 Overview
Chapter 2 Radiation
Chapter 3 Turbulent transport and interactions with the surface
Chapter 4 Subgrid-scale orographic drag
Chapter 5 Non-orographic gravity wave drag
Chapter 6 Convection
Chapter 7 Clouds and large-scale precipitation
Chapter 8 Surface parameterisation
Chapter 9 Methane oxidation
Chapter 10 Ozone chemistry parametrisation 
Chapter 11 Climatological data 
Chapter 12 Basic physical constants, thermodynamic functions,
energy potentials and column integrals PB - ECMWF PY - 2026 T2 - IFS Documentation CY50R1 T3 - IFS Documentation TI - IFS Documentation CY50R1 - Part 4: Physical Processes UR -   ER -