The operational GFS currently parameterizes ozone production and destruction based on monthly mean coefficients (global_o3prdlos.f77) provided by Naval Research Laboratory through CHEM2D chemistry model (McCormack et al. (2006) [76]).
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Argument Table
| local_name | standard_name | long_name | units | rank | type | kind | intent | optional |
| ix | horizontal_dimension | horizontal dimension | count | 0 | integer | | in | F |
| im | horizontal_loop_extent | horizontal loop extent | count | 0 | integer | | in | F |
| levs | vertical_dimension | number of vertical layers | count | 0 | integer | | in | F |
| ko3 | vertical_dimension_of_ozone_forcing_data | number of vertical layers in ozone forcing data | count | 0 | integer | | in | F |
| dt | time_step_for_physics | physics time step | s | 0 | real | kind_phys | in | F |
| oz | ozone_concentration_updated_by_physics | ozone concentration updated by physics | kg kg-1 | 2 | real | kind_phys | inout | F |
| tin | air_temperature_updated_by_physics | updated air temperature | K | 2 | real | kind_phys | in | F |
| po3 | natural_log_of_ozone_forcing_data_pressure_levels | natural log of ozone forcing data pressure levels | log(Pa) | 1 | real | kind_phys | in | F |
| prsl | air_pressure | mid-layer pressure | Pa | 2 | real | kind_phys | in | F |
| prdout | ozone_forcing | ozone forcing data | various | 3 | real | kind_phys | in | F |
| oz_coeff | number_of_coefficients_in_ozone_forcing_data | number of coefficients in ozone forcing data | index | 0 | integer | | in | F |
| delp | air_pressure_difference_between_midlayers | difference between mid-layer pressures | Pa | 2 | real | kind_phys | in | F |
| ldiag3d | flag_diagnostics_3D | flag for calculating 3-D diagnostic fields | flag | 0 | logical | | in | F |
| ozp | change_in_ozone_concentration | change in ozone concentration | kg kg-1 | 3 | real | kind_phys | inout | F |
| me | mpi_rank | rank of the current MPI task | index | 0 | integer | | in | F |
| errmsg | ccpp_error_message | error message for error handling in CCPP | none | 0 | character | len=* | out | F |
| errflg | ccpp_error_flag | error flag for error handling in CCPP | flag | 0 | integer | | out | F |
GFS ozphys_run General Algorithm
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| subroutine | ozphys::ozphys_run ( ix, im, levs, ko3, dt, oz, tin, po3, prsl, prdout, oz_coeff, delp, ldiag3d, ozp, me, errmsg, errflg) |
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1.8.11