| Directory | File Name | Description |
| ./pkg/gchem/ | GCHEM.h | |
| ./pkg/gchem/ | GCHEM_FIELDS.h | |
| ./pkg/gchem/ | GCHEM_OPTIONS.h | |
| ./pkg/gchem/ | gchem_ad_check_lev1_dir.h | |
| ./pkg/gchem/ | gchem_ad_check_lev2_dir.h | |
| ./pkg/gchem/ | gchem_ad_check_lev3_dir.h | |
| ./pkg/gchem/ | gchem_ad_check_lev4_dir.h | |
| ./pkg/gchem/ | gchem_add_tendency.F | |
| ./pkg/gchem/ | gchem_calc_tendency.F | |
| ./pkg/gchem/ | gchem_check.F | |
| ./pkg/gchem/ | gchem_diagnostics_init.F | |
| ./pkg/gchem/ | gchem_fields_load.F | |
| ./pkg/gchem/ | gchem_forcing_sep.F | |
| ./pkg/gchem/ | gchem_init_fixed.F | |
| ./pkg/gchem/ | gchem_init_vari.F | |
| ./pkg/gchem/ | gchem_output.F | |
| ./pkg/gchem/ | gchem_readparms.F | |
| ./pkg/gchem/ | gchem_write_pickup.F |