&SPECIES_PARAMS
 PSPECIES="AIRTRACER",        ! Tracer name
 PDECAY=-9.9,                 ! Species half life
 PWETA_GAS=-0.9E-9,           ! Below-cloud scavenging (gases) - A (weta_gas)
 PWETB_GAS=-9.9,              ! Below-cloud scavenging (gases) - B (wetb_gas)
 PCRAIN_AERO=-9.9,            ! Below-cloud scavenging (particles) - Crain (crain_aero)
 PCSNOW_AERO=-9.9,            ! Below-cloud scavenging (particles) - Csnow (csnow_aero)
 PCCN_AERO=-9.9,              ! In-cloud scavenging (particles) - CCNeff (ccn_aero)
 PIN_AERO=-9.9,               ! In-cloud scavenging (particles) - INeff (in_aero)
 PDENSITY=-0.9E+9,            ! Dry deposition (particles) - rho
 PDRYVEL=-9.99,               ! Alternative: dry deposition velocity
 PRELDIFF=-9.9,               ! Dry deposition (gases) - D
 PHENRY=-0.9E-9,              ! Dry deposition (gases) - Henrys const.
 PF0=-9,                      ! Dry deposition (gases) - f0 (reactivity)
 PWEIGHTMOLAR=29.0,           ! molweight
 /
