<!-- $Id: CMIP6_ping_aerosol_lmdz.xml 3509 2019-05-18 19:56:46Z oboucher $ -->
<!-- Ping files generated by dr2xml 0.23 using Data Request 01.00.18 -->
<!-- lrealms= ['aerosol'] -->
<!-- exact= False -->
<!--  listof_home_vars : None
 tierMax : 3
 realms_per_context : {'lmdz': ['atmos', 'atmos land'], 'nemo': ['seaIce', 'ocean', 'ocean seaIce', 'ocnBgchem', 'seaIce ocean'], 'orchidee': ['land', 'landIce land', 'land landIce', 'landIce']}
 max_priority : 3
 max_file_size_in_floats : 20000000000.0
 grid_choice : {'IPSL-CM6A-LR': 'LR'}
 excluded_vars_file : None
 sizes : {'LR': [20592, 79, 32768, 91, 30, 14, 128]}
 ping_variables_prefix : CMIP6_
 source_types : {'IPSL-CM6A-LR': 'AOGCM'}
 path_extra_tables : None
 grid_policy : native
 path_special_defs : None
 mips : {'LR': set(['CORDEX', 'GMMIP', 'RFMIP', 'AerChemMIP', 'CMIP6', 'OMIP', 'GeoMIP', 'C4MIP', 'PDRMIP', 'DCPP', 'DECK', 'LUMIP', 'CMIP5', 'CFMIP', 'ScenarioMIP', 'DAMIP', 'CCMI', 'SolarMIP', 'VIACSAB', 'SIMIP', 'CMIP', 'ISMIP6', 'VolMIP', 'PMIP', 'FAFMIP', 'HighResMIP', 'LS3MIP', 'SPECS', 'DynVar'])}
 excluded_vars : []
 orphan_variables : {}
--> 

<context id="aerosol">
<field_definition>
<!-- for variables which realm equals one of _aerosol-->
   <field id="CMIP6_abs550aer"     field_ref="abs550aer"         /> <!-- P1 (1.0) atmosphere_absorption_optical_thickness_due_to_ambient_aerosol : Ambient Aerosol Absorption Optical Thickness at 550 nm -->
   <field id="CMIP6_airmass"       field_ref="mass"        /> <!-- P1 (kg m-2) atmosphere_mass_of_air_per_unit_area : Vertically integrated mass content of air in layer -->
   <field id="CMIP6_aoanh"         field_ref="dummy_XYA"        /> <!-- P1 (yr) tracer_lifetime : Fixed surface layer mixing ratio over 30o-50oN (0 ppbv), uniform fixed source (at all levels) everywhere else (source is unspecified but must be constant in space and time and documented). Note that the source could be 1yr/yr, so the tracer concentration provides mean age in years. For method using linearly increasing tracer include a method attribute: "linearly increasing tracer"For method using uniform source (1yr/yr) include a method attribute: "uniform source" -->
   <field id="CMIP6_bldep"         field_ref="dummy_XY"         /> <!-- P3 (m) atmosphere_boundary_layer_thickness : Boundary layer depth -->
   <field id="CMIP6_bry"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_inorganic_bromine_in_air : Total family (the sum of all appropriate species in the model) ; list the species in the netCDF header, e.g. Bry = Br + BrO + HOBr + HBr + BrONO2 + BrCl Definition: Total inorganic bromine (e.g., HBr and inorganic bromine oxides and radicals (e.g., BrO, atomic bromine (Br), bromine nitrate (BrONO2)) resulting from degradation of bromine-containing organic source gases (halons, methyl bromide, VSLS), and natural inorganic bromine sources (e.g., volcanoes, sea salt, and other aerosols) add comment attribute with detailed description about how the model calculates these fields -->
   <field id="CMIP6_bs550aer"      field_ref="dummy_XYA"        /> <!-- P1 (m-1 sr-1) volume_lidar_backwards_scattering_coefficient_in_air_due_to_ambient_aerosol_particles : Aerosol  Backscatter at 550nm and 180 degrees, computed from extinction and lidar ratio -->
   <field id="CMIP6_c2h2"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_ethyne_in_air : C2H2 volume mixing ratio -->
   <field id="CMIP6_c2h6"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_ethane_in_air : C2H6 volume mixing ratio -->
   <field id="CMIP6_c3h6"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_propene_in_air : C3H6  volume mixing ratio -->
   <field id="CMIP6_c3h8"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_propane_in_air : C3H8  volume mixing ratio -->
   <field id="CMIP6_ccn"           field_ref="dummy_XY"         /> <!-- P1 (m-3) number_concentration_of_cloud_condensation_nuclei_at_stp_in_air : proposed name: number_concentration_of_ambient_aerosol_in_air_at_liquid_water_cloud_top -->
   <field id="CMIP6_cdnc"          field_ref="scdnc" expr="@scdnc / @lcc3d " > scdnc / lcc3d        </field><!-- P1 (m-3) number_concentration_of_cloud_liquid_water_particles_in_air : Cloud Droplet Number Concentration in liquid water clouds. -->
   <field id="CMIP6_ch3coch3"      field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_acetone_in_air : CH3COCH3  volume mixing ratio -->
   <field id="CMIP6_cheaqpso4"     field_ref="dummy_XYA"        /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_aqueous_phase_net_chemical_production : proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_aqueous_phase_net_chemical_production -->
   <field id="CMIP6_chegpso4"      field_ref="dummy_XYA"        /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_gaseous_phase_net_chemical_production : proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_gas_phase_net_chemical_production -->
   <field id="CMIP6_chepasoa"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_particles_due_to_net_chemical_production : anthropogenic part of chepsoa -->
   <field id="CMIP6_chepsoa"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_particles_due_to_net_chemical_production : If model lumps SOA emissions with POA, then the sum of POA and SOA emissions is reported as OA emissions. ""mass"" refers to the mass of primary organic matter, not mass of organic carbon alone. -->
   <field id="CMIP6_cly"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_inorganic_chlorine_in_air : Total family (the sum of all appropriate species in the model) ; list the species in the netCDF header, e.g. Cly = HCl + ClONO2 + HOCl + ClO + Cl + 2*Cl2O2 +2Cl2 + OClO + BrCl Definition: Total inorganic stratospheric chlorine (e.g., HCl, ClO) resulting from degradation of chlorine-containing source gases (CFCs, HCFCs, VSLS), and natural inorganic chlorine sources (e.g., sea salt and other aerosols) add comment attribute with detailed description about how the model calculates these fields -->
   <field id="CMIP6_co"            field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_carbon_monoxide_in_air : CO volume mixing ratio -->
   <field id="CMIP6_cod"           field_ref="dummy_XY"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_cloud : Cloud Optical Depth -->
   <field id="CMIP6_depdust"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_total_deposition : Balkanski - LSCE -->
   <field id="CMIP6_dms"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_dimethyl_sulfide_in_air : DMS volume mixing ratio -->
   <field id="CMIP6_drybc"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles_due_to_dry_deposition : Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. -->
   <field id="CMIP6_drydust"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_dry_deposition : Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. -->
   <field id="CMIP6_drynh3"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_ammonia_due_to_dry_deposition : dry deposition includes gravitational settling, impact scavenging, and turbulent deposition -->
   <field id="CMIP6_drynh4"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_ammonium_dry_aerosol_particles_due_to_dry_deposition : dry deposition includes gravitational settling, impact scavenging, and turbulent deposition -->
   <field id="CMIP6_drynoy"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_noy_expressed_as_nitrogen_due_to_dry_deposition : NOy is the sum of all simulated oxidized nitrogen species out of NO, NO2, HNO3, HNO4, NO3aerosol, NO3(radical), N2O5, PAN, other organic nitrates. Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. -->
   <field id="CMIP6_dryo3"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_ozone_due_to_dry_deposition : dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. -->
   <field id="CMIP6_dryoa"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles_due_to_dry_deposition : Tendency of atmosphere mass content of organic dry aerosol due to dry deposition: This is the sum of dry deposition of POA and dry deposition of SOA (see next two entries). 'Mass' refers to the mass of organic matter, not mass of organic carbon alone.  We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available. Was called dry_pom in old ACCMIP Excel table. Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. -->
   <field id="CMIP6_dryso2"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_dry_deposition : dry deposition includes gravitational settling, impact scavenging, and turbulent deposition -->
   <field id="CMIP6_dryso4"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_dry_deposition : dry deposition includes gravitational settling, impact scavenging, and turbulent deposition -->
   <field id="CMIP6_dryss"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_particles_due_to_dry_deposition : Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. -->
   <field id="CMIP6_ec550aer"      field_ref="ec550aer"        /> <!-- P1 (m-1) volume_extinction_coefficient_in_air_due_to_ambient_aerosol_particles : Aerosol Extinction at 550nm -->
   <field id="CMIP6_emiaco"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_carbon_monoxide_due_to_emission : anthrophogenic  emission of CO -->
   <field id="CMIP6_emianox"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_nox_expressed_as_nitrogen_due_to_emission : Store flux as Nitrogen. Anthropogenic fraction. NOx=NO+NO2, Includes agricultural waste burning but no other biomass burning. Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emiaoa"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles_due_to_net_chemical_production_and_emission : anthropogenic part of emioa -->
   <field id="CMIP6_emibc"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles_due_to_emission : Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emibvoc"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_biogenic_nmvoc_expressed_as_carbon_due_to_emission : Integrate 3D emission field vertically to 2d field._If_ fixed molecular weight of NMVOC is not available in model, please provide in units of kilomole m-2 s-1 (i.e. kg m-2 s-1 as if model NMVOC had molecular weight of 1) and add a comment to your file. -->
   <field id="CMIP6_emico"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_carbon_monoxide_due_to_emission : Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emidms"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_emission : Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emidust"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_emission : Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emiisop"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_isoprene_due_to_emission : Integrate 3D emission field vertically to 2d field -->
   <field id="CMIP6_emilnox"       field_ref="dummy_XYA"        /> <!-- P1 (mol s-1) tendency_of_atmosphere_moles_of_nox_expressed_as_nitrogen : Integrate the NOx production for lightning over model layer. proposed name: tendency_of_atmosphere_mass_content_of_nox_from_lightning -->
   <field id="CMIP6_eminh3"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_ammonia_due_to_emission : Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_eminox"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_nox_expressed_as_nitrogen_due_to_emission : NOx=NO+NO2. Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emioa"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles_due_to_net_chemical_production_and_emission : This is the sum of total emission of POA and total production of SOA (emipoa+chepsoa). ""Mass"" refers to the mass of organic matter, not mass of organic carbon alone. We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available.  Integrate 3D chemical production and emission field vertically to 2d field. -->
   <field id="CMIP6_emiso2"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_emission : Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emiso4"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_emission : Direct primary emission does not include secondary sulfate production. Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emiss"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_particles_due_to_emission : Integrate 3D emission field vertically to 2d field. -->
   <field id="CMIP6_emivoc"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_nmvoc_due_to_emission : Integrate 3D emission field vertically to 2d field. _If_ fixed molecular weight of NMVOC is not available in model, please provide in units of kilomole m-2 s-1 (i.e. kg m-2 s-1 as if model NMVOC had molecular weight of 1) and add a comment to your file. -->
   <field id="CMIP6_hcho"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_formaldehyde_in_air : Formaldehyde volume mixing ratio -->
   <field id="CMIP6_hcl"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_hydrogen_chloride_in_air : HCl volume mixing ratio -->
   <field id="CMIP6_hno3"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_nitric_acid_in_air : HNO3 volume mixing ratio -->
   <field id="CMIP6_ho2"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_hydroperoxyl_radical_in_air : HO2 volume mixing ratio -->
   <field id="CMIP6_isop"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_isoprene_in_air : Isoprene volume mixing ratio -->
   <field id="CMIP6_jno2"          field_ref="dummy_XYA"        /> <!-- P1 (s-1) photolysis_rate_of_nitrogen_dioxide : photolysis rate of NO2 -->
   <field id="CMIP6_lossch4"       field_ref="dummy_XYA"        /> <!-- P1 (mol m-3 s-1) tendency_of_atmosphere_mole_concentration_of_methane_due_to_chemical_destruction : monthly averaged atmospheric loss -->
   <field id="CMIP6_lossco"        field_ref="dummy_XYA"        /> <!-- P1 (mol m-3 s-1) tendency_of_atmosphere_of_mole_concentration_of_carbon_monoxide_due_to_chemical_destruction : monthly averaged atmospheric loss -->
   <field id="CMIP6_lossn2o"       field_ref="dummy_XYA"        /> <!-- P1 (mol m-3 s-1) tendency_of_atmosphere_of_mole_concentration_of_nitrous_oxide_due_to_chemical_destruction : monthly averaged atmospheric loss -->
   <field id="CMIP6_lwp"           field_ref="cldq"         /> <!-- P1 (kg m-2) atmosphere_mass_content_of_cloud_liquid_water : liquid water path -->
   <field id="CMIP6_maxpblz"       field_ref="dummy_XY"         /> <!-- P1 (m) atmosphere_boundary_layer_thickness : maximum boundary layer height during the day (add cell_methods attribute: "time: maximum") -->
   <field id="CMIP6_meanage"       field_ref="dummy_XYA"        /> <!-- P1 (yr) age_of_stratospheric_air : The mean age of air is defined as the mean time that a stratospheric air mass has been out of contact with the well-mixed troposphere. -->
   <field id="CMIP6_minpblz"       field_ref="dummy_XY"         /> <!-- P1 (m) atmosphere_boundary_layer_thickness : minimum boundary layer height during the day (add cell_methods attribute: "time: minimum") -->
   <field id="CMIP6_mmraerh2o"     field_ref="dummy_XYA"        /> <!-- P1 (kg kg-1) mass_fraction_of_water_in_ambient_aerosol_particles_in_air : Aerosol water mass mixing ratio -->
   <field id="CMIP6_mmrbc"         field_ref="concbc"   > concbc/pres*temp*287.05967366659070 </field> <!-- P1 (kg kg-1) mass_fraction_of_elemental_carbon_dry_aerosol_particles_in_air : Elemental carbon mass mixing ratio -->
   <field id="CMIP6_mmrdust"       field_ref="concdust" > concdust/pres*temp*287.05967366659070 </field> <!-- P1 (kg kg-1) mass_fraction_of_dust_dry_aerosol_particles_in_air : Dust aerosol mass mixing ratio -->
   <field id="CMIP6_mmrnh4"        field_ref="dummy_XYA"        /> <!-- P1 (kg kg-1) mass_fraction_of_ammonium_dry_aerosol_particles_in_air : NH4 mass mixing ratio -->
   <field id="CMIP6_mmrno3"        field_ref="concno3"  > concno3/pres*temp*287.05967366659070 </field> <!-- P1 (kg kg-1) mass_fraction_of_nitrate_dry_aerosol_particles_in_air : NO3 aerosol mass mixing ratio -->
   <field id="CMIP6_mmroa"         field_ref="concoa"   > concoa/pres*temp*287.05967366659070 </field> <!-- P1 (kg kg-1) mass_fraction_of_particulate_organic_matter_dry_aerosol_particles_in_air : We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available. -->
   <field id="CMIP6_mmrpm1"        field_ref="dummy_XYA"        /> <!-- P1 (kg kg-1) mass_fraction_of_pm1_dry_aerosol_particles_in_air : E.g. mass_fraction_of_pm1_aerosol_at_50_percent_relative_humidity_in_air. proposed name:  mass_fraction_of_pm1_dry_aerosol_in_air -->
   <field id="CMIP6_mmrpm10"       field_ref="dummy_XYA"        /> <!-- P1 (kg kg-1) mass_fraction_of_pm10_ambient_aerosol_particles_in_air : E.g. mass_fraction_of_pm10_aerosol_at_50_percent_relative_humidity_in_air, proposed name: mass_fraction_of_pm10_dry_aerosol_in_air -->
   <field id="CMIP6_mmrpm2p5"      field_ref="dummy_XYA"        /> <!-- P1 (kg kg-1) mass_fraction_of_pm2p5_dry_aerosol_particles_in_air : E.g. mass_fraction_of_pm2p5_aerosol_at_50_percent_relative_humidity_in_air, proposed_name: mass_fraction_of_pm2p5_dry_aerosol_in_air -->
   <field id="CMIP6_mmrso4"        field_ref="concso4"  > concso4/pres*temp*287.05967366659070 </field> <!-- P1 (kg kg-1) mass_fraction_of_sulfate_dry_aerosol_particles_in_air : Aerosol sulfate mass mixing ratio -->
   <field id="CMIP6_mmrsoa"        field_ref="dummy_XYA"        /> <!-- P1 (kg kg-1) mass_fraction_of_secondary_particulate_organic_matter_dry_aerosol_particles_in_air : Secondary organic aerosol mass mixing ratio -->
   <field id="CMIP6_mmrss"         field_ref="concss"   > concss/pres*temp*287.05967366659070 </field> <!-- P1 (kg kg-1) mass_fraction_of_seasalt_dry_aerosol_particles_in_air : Sea Salt mass mixing ratio -->
   <field id="CMIP6_nh50"          field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_artificial_tracer_with_fixed_lifetime_in_air : Fixed surface layer mixing ratio over 30o-50oN (100ppbv), uniform fixed 50-day exponential decay. -->
   <field id="CMIP6_no"            field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_nitrogen_monoxide_in_air : NO volume mixing ratio -->
   <field id="CMIP6_no2"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_nitrogen_dioxide_in_air : NO2 volume mixing ratio -->
   <field id="CMIP6_noy"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_noy_expressed_as_nitrogen_in_air : Total family (the sum of all appropriate species in the model); list the species in the netCDF header, e.g. NOy = N + NO + NO2 + NO3 + HNO3 + 2N2O5 + HNO4 + ClONO2 + BrONO2 Definition: Total reactive nitrogen; usually includes atomic nitrogen (N), nitric oxide (NO), NO2, nitrogen trioxide (NO3), dinitrogen radical (N2O5), nitric acid (HNO3), peroxynitric acid (HNO4), BrONO2, ClONO2 add comment attribute with detailed description about how the model calculates these fields -->
   <field id="CMIP6_o3loss"        field_ref="dummy_XYA"        /> <!-- P1 (mol m-3 s-1) tendency_of_atmosphere_mole_concentration_of_ozone_due_to_chemical_destruction : ONLY provide the sum of the following reactions: (i) O(1D)+H2O; (ii) O3+HO2; (iii) O3+OH; (iv) O3+alkenes (isoprene, ethene,...) -->
   <field id="CMIP6_o3prod"        field_ref="dummy_XYA"        /> <!-- P1 (mol m-3 s-1) tendency_of_atmosphere_mole_concentration_of_ozone_due_to_chemical_production : ONLY provide the sum of all the HO2/RO2 + NO reactions (as k*[HO2]*[NO]) -->
   <field id="CMIP6_o3ste"         field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_ozone_in_air : Ozone tracer intended to map out strat-trop exchange (STE) of ozone. -->
   <field id="CMIP6_od440aer"      field_ref="od443aer"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_ambient_aerosol_particles : AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute "wavelength: 440 nm" -->
   <field id="CMIP6_od550aer"      field_ref="od550aer"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_ambient_aerosol_particles : AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute "wavelength: 550 nm" -->
   <field id="CMIP6_od550aerh2o"   field_ref="od550aer"   >  od550aer-dryod550aer   </field> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_water_in_ambient_aerosol : proposed name: atmosphere_optical_thickness_due_to_water_ambient_aerosol -->
   <field id="CMIP6_od550bb"       field_ref="dummy_XY"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_particulate_organic_matter_ambient_aerosol : total organic aerosol AOD due to biomass burning (excluding so4, nitrate BB components) -->
   <field id="CMIP6_od550bc"       field_ref="od550_ASBCM"  >  od550_ASBCM + od550_AIBCM   </field> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_black_carbon_ambient_aerosol : black carbon aod at 550nm -->
   <field id="CMIP6_od550csaer"    field_ref="dummy_XY"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_ambient_aerosol_particles : AOD from the ambient aerosols in clear skies if od550aer is for all-sky (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute "wavelength: 550 nm" -->
   <field id="CMIP6_od550dust"     field_ref="od550_CIDUSTM"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_dust_ambient_aerosol : Dust Optical Depth at 550nm -->
   <field id="CMIP6_od550lt1aer"   field_ref="od550lt1aer"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_pm1_ambient_aerosol : od550 due to particles with wet diameter less than 1 um  (ambient here means wetted). When models do not include explicit size information, it can be assumed that all anthropogenic aerosols and natural secondary aerosols have diameter less than 1 um. -->
   <field id="CMIP6_od550no3"      field_ref="od550_ASNO3M" >  od550_ASNO3M + od550_CSNO3M + od550_CINO3M   </field> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_nitrate_ambient_aerosol : proposed name: atmosphere_optical_thickness_due_to_nitrate_ambient_aerosol -->
   <field id="CMIP6_od550oa"       field_ref="od550_ASPOMM"   >   od550_ASPOMM + od550_AIPOMM </field>   <!-- P1 (1.0) atmosphere_optical_thickness_due_to_particulate_organic_matter_ambient_aerosol : Total Organic Aerosol Optical Depth at 550nm -->
   <field id="CMIP6_od550so4"      field_ref="od550_ASSO4M"   >   od550_ASSO4M+od550_CSSO4M  </field>  <!-- P1 (1.0) atmosphere_optical_thickness_due_to_sulfate_ambient_aerosol : proposed name: atmosphere_optical_thickness_due_to_sulfate_ambient_aerosol -->
   <field id="CMIP6_od550soa"      field_ref="dummy_XY"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_particulate_organic_matter_ambient_aerosol : total organic aerosol AOD due to secondary aerosol formation -->
   <field id="CMIP6_od550ss"       field_ref="od550_ASSSM" >  od550_ASSSM+od550_CSSSM+od550_SSSSM    </field> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_seasalt_ambient_aerosol : Sea Salt Aersol Optical Depth at 550nm -->
   <field id="CMIP6_od870aer"      field_ref="od865aer"         /> <!-- P1 (1.0) atmosphere_optical_thickness_due_to_ambient_aerosol_particles : AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute "wavelength: 870 nm" -->
   <field id="CMIP6_oh"            field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_hydroxyl_radical_in_air : OH volume mixing ratio -->
   <field id="CMIP6_pan"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_peroxyacetyl_nitrate_in_air : PAN volume mixing ratio -->
   <field id="CMIP6_photo1d"       field_ref="dummy_XYA"        /> <!-- P1 (s-1) photolysis_rate_of_ozone_to_1D_oxygen_atom : proposed name: photolysis_rate_of_ozone_to_O1D -->
   <field id="CMIP6_pod0"          field_ref="dummy_XY"         /> <!-- P1 (mol m-2 s-1) pending_CF_name : Accumulated stomatal ozone flux over the threshold of 0 mol m-2 s-1; Computation: Time Integral of (hourly above canopy ozone concentration * stomatal conductance * Rc/(Rb+Rc) ) -->
   <field id="CMIP6_ptp"           field_ref="p_tropopause"         /> <!-- P1 (Pa) tropopause_air_pressure : 2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature -->
   <field id="CMIP6_reffclwtop"    field_ref="reffclwtop"         /> <!-- P1 (m) effective_radius_of_cloud_liquid_water_particle_at_liquid_water_cloud_top : Droplets are liquid only.  This is the effective radius as seen from space over liquid cloudy portion of grid cell. This is the value from uppermost model layer with liquid cloud or, if available, or for some models it is the sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere.TOA) each time sample when computing monthly mean. Reported values are weighted by total liquid cloud top fraction of  (as seen from -->
   <field id="CMIP6_rlutaf"        field_ref="dummy_XY"         /> <!-- P1 (W m-2) toa_outgoing_longwave_flux : Flux corresponding to rlut resulting from aerosol-free call to radiation, following Ghan (ACP, 2013) -->
   <field id="CMIP6_rlutcsaf"      field_ref="dummy_XY"         /> <!-- P1 (W m-2) toa_outgoing_longwave_flux_assuming_clear_sky : Flux corresponding to rlutcs resulting from aerosol-free call to radiation, following Ghan (ACP, 2013) -->
   <field id="CMIP6_rsutaf"        field_ref="dummy_XY"         /> <!-- P1 (W m-2) toa_outgoing_shortwave_flux : Flux corresponding to rsut resulting from aerosol-free call to radiation, following Ghan (ACP, 2013) -->
   <field id="CMIP6_rsutcsaf"      field_ref="dummy_XY"         /> <!-- P1 (W m-2) toa_outgoing_shortwave_flux_assuming_clear_sky : Flux corresponding to rsutcs resulting from aerosol-free call to radiation, following Ghan (ACP, 2013) -->
   <field id="CMIP6_sedustCI"      field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_sedimentation : Balkanski - LSCE -->
   <field id="CMIP6_sfno2"         field_ref="dummy_XY"         /> <!-- P1 (mol mol-1) mole_fraction_of_nitrogen_dioxide_in_air : NO2 volume mixing ratio in lowest model layer -->
   <field id="CMIP6_sfo3"          field_ref="dummy_XY"         /> <!-- P1 (mol mol-1) mole_fraction_of_ozone_in_air : O3 volume mixing ratio in lowest model layer -->
   <field id="CMIP6_sfo3max"       field_ref="dummy_XY"         /> <!-- P1 (mol mol-1) mole_fraction_of_ozone_in_air : Daily maximum O3 volume mixing ratio in lowest model layer -->
   <field id="CMIP6_sfpm25"        field_ref="dummy_XY"         /> <!-- P1 (kg kg-1) mass_fraction_of_pm2p5_ambient_aerosol_particles_in_air : PM2.5 mass mixing ratio in lowest model layer -->
   <field id="CMIP6_so2"           field_ref="dummy_XYA"        /> <!-- P1 (mol mol-1) mole_fraction_of_sulfur_dioxide_in_air : SO2 volume mixing ratio -->
   <field id="CMIP6_tatp"          field_ref="t_tropopause"         /> <!-- P1 (K) tropopause_air_temperature : 2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature -->
   <field id="CMIP6_tntrl"         field_ref="dummy_XYA"        /> <!-- P3 (K s-1) tendency_of_air_temperature_due_to_longwave_heating : Tendency of air temperature due to longwave radiative heating -->
   <field id="CMIP6_tntrs"         field_ref="dummy_XYA"        /> <!-- P3 (K s-1) tendency_of_air_temperature_due_to_shortwave_heating : Tendency of air temperature due to shortwave radiative heating -->
   <field id="CMIP6_toz"           field_ref="dummy_XY"         /> <!-- P1 (m) equivalent_thickness_at_stp_of_atmosphere_ozone_content : Total ozone column calculated at 0 degrees C and 1 bar, such that 1m = 1e5 DU. -->
   <field id="CMIP6_tropoz"        field_ref="dummy_XY"         /> <!-- P1 (m) equivalent_thickness_at_stp_of_atmosphere_ozone_content : Tropospheric ozone column, should be consistent with definition of tropopause used to calculate the pressure of the tropopause (ptp). Calculated at 0 degrees C and 1 bar, such that 1m = 1e5 DU. -->
   <field id="CMIP6_ttop"          field_ref="dummy_XY"         /> <!-- P1 (K) air_temperature_at_cloud_top : air temperature at cloud top -->
   <field id="CMIP6_wa"            field_ref="dummy_XYA"        /> <!-- P1 (m s-1) upward_air_velocity : Upward Air Velocity -->
   <field id="CMIP6_wetbc"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles_due_to_wet_deposition : wet deposition rate of black carbon aerosol mass -->
   <field id="CMIP6_wetdust"       field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_wet_deposition : wet deposition rate of dust -->
   <field id="CMIP6_wetnh3"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_ammonia_due_to_wet_deposition : wet deposition rate of nh3 -->
   <field id="CMIP6_wetnh4"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_ammonium_dry_aerosol_particles_due_to_wet_deposition : wet deposition rate of nh4 -->
   <field id="CMIP6_wetnoy"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_noy_expressed_as_nitrogen_due_to_wet_deposition : NOy is the sum of all simulated oxidized nitrogen species, out of NO, NO2, HNO3, HNO4, NO3aerosol, NO3(radical), N2O5, PAN, other organic nitrates. -->
   <field id="CMIP6_wetoa"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles_due_to_wet_deposition : tendency of atmosphere mass content of organic matter dry aerosols due to wet deposition: This is the sum of wet deposition of POA and wet deposition of SOA (see next two entries). Mass here refers to the mass of organic matter, not mass of organic carbon alone. We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available. Was called wet_pom in old ACCMIP Excel spreadsheet. -->
   <field id="CMIP6_wetso2"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_wet_deposition : wet deposition rate of so2 -->
   <field id="CMIP6_wetso4"        field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_particles_due_to_wet_deposition : proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_wet_deposition -->
   <field id="CMIP6_wetss"         field_ref="dummy_XY"         /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_particles_due_to_wet_deposition : wet deposition rate of seasalt -->
   <field id="CMIP6_ztp"           field_ref="z_tropopause"         /> <!-- P1 (m) tropopause_altitude : 2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature -->
</field_definition>
</context>
