<!-- $Id: CMIP6_ping_atmos.xml 6133 2026-03-26 20:09:32Z evignon $ -->
<!-- Ping files generated by dr2xml 0.27 using Data Request 01.00.21 -->
<!-- lrealms= ['atmos'] -->
<!-- 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 AER BGC'}
 path_extra_tables : None
 grid_policy : native
 path_special_defs : None
 mips : {'LR': set(['CORDEX', 'GMMIP', 'RFMIP', 'VolMIP', 'CMIP6', 'ScenarioMIP', 'GeoMIP', 'C4MIP', 'PDRMIP', 'CMIP', 'DECK', 'LUMIP', 'CMIP5', 'CFMIP', 'OMIP', 'DAMIP', 'CCMI', 'SolarMIP', 'VIACSAB', 'SIMIP', 'DCPP', 'ISMIP6', 'AerChemMIP', 'PMIP', 'FAFMIP', 'DynVar', 'LS3MIP', 'SPECS', 'HighResMIP'])}
 excluded_vars : []
 orphan_variables : {}
--> 

<context id="atmos">
<field_definition>
<!-- for variables which realm equals one of _atmos-->
   <field id="CMIP6_H2p"           field_ref="dummy_not_provided"           /> <!-- P1 ()  : 2H in total precipitation -->
   <field id="CMIP6_H2s"           field_ref="dummy_not_provided"           /> <!-- P1 ()  : 2H in solid precipitation -->
   <field id="CMIP6_H2wv"          field_ref="dummy_not_provided"           /> <!-- P1 ()  : H2 in water vapor -->
   <field id="CMIP6_O17p"          field_ref="dummy_not_provided"           /> <!-- P1 ()  : 17O in total precipitation -->
   <field id="CMIP6_O17s"          field_ref="dummy_not_provided"           /> <!-- P1 ()  : 17O in solid precipitation -->
   <field id="CMIP6_O17wv"         field_ref="dummy_not_provided"           /> <!-- P1 ()  : O17 in water vapor -->
   <field id="CMIP6_O18p"          field_ref="dummy_not_provided"           /> <!-- P1 ()  : 18O in total precipitation -->
   <field id="CMIP6_O18s"          field_ref="dummy_not_provided"           /> <!-- P1 ()  : 18O in solid precipitation -->
   <field id="CMIP6_O18wv"         field_ref="dummy_not_provided"           /> <!-- P1 ()  : O18 in water vapor -->
   <field id="CMIP6_aerasymbnd"    field_ref="dummy_not_provided"           /> <!-- P1 (1) band_aerosol_asymmetry_parameter : Aerosol level asymmetry parameter for each band -->
   <field id="CMIP6_aeroptbnd"     field_ref="dummy_not_provided"           /> <!-- P1 (1) atmosphere_absorption_optical_thickness_due_to_ambient_aerosol_particles : Aerosol level extinction optical depth for each band -->
   <field id="CMIP6_aerssabnd"     field_ref="dummy_not_provided"           /> <!-- P1 (1) single_scattering_albedo_in_air_due_to_ambient_aerosol_particles : Aerosol level single-scattering albedo for each band -->
   <field id="CMIP6_albdiffbnd"    field_ref="dummy_not_provided"           /> <!-- P1 (1) band_diffuse_albedo : Diffuse surface albedo for each band -->
   <field id="CMIP6_albdirbnd"     field_ref="dummy_not_provided"           /> <!-- P1 (1) band_direct_albedo : Direct surface albedo for each band -->
   <field id="CMIP6_albisccp"      field_ref="albisccp"                     /> <!-- P1 (1) cloud_albedo : time-means are weighted by the ISCCP Total Cloud Fraction - see  http://cfmip.metoffice.com/COSP.html -->
   <field id="CMIP6_aod550volso4"  field_ref="od550_STRAT"                  /> <!-- P1 (1e-09) aerosol_optical_depth_due_to_stratospheric_volcanic_aerosols : aerosol optical thickness at 550 nm due to stratospheric volcanic aerosols  -->
   <field id="CMIP6_areacella"     field_ref="aire"                         /> <!-- P1 (m2) cell_area : Cell areas for any grid used to report atmospheric variables and any other variable using that grid (e.g., soil moisture content). These cell areas should be defined to enable exact calculation of global integrals (e.g., of vertical fluxes of energy at the surface and top of the atmosphere). -->
   <field id="CMIP6_ccb"           field_ref="pbase"                        /> <!-- P1 (Pa) air_pressure_at_convective_cloud_base : Air Pressure at Convective Cloud Base -->
   <field id="CMIP6_ccldncl"       field_ref="dummy_XY"                     /> <!-- P1 (m-3) number_concentration_of_convective_cloud_liquid_water_particles_in_air_at_liquid_water_cloud_top : Cloud Droplet Number Concentration of Convective Cloud Tops -->
   <field id="CMIP6_cct"           field_ref="ptop"                         /> <!-- P1 (Pa) air_pressure_at_convective_cloud_top : Air Pressure at Convective Cloud Top -->
   <field id="CMIP6_cfadDbze94"    field_ref="cfadDbze94"                   /> <!-- P1 (1) histogram_of_equivalent_reflectivity_factor_over_height_above_reference_ellipsoid : CloudSat Radar Reflectivity CFAD -->
   <field id="CMIP6_cfadLidarsr532" field_ref="cfad_lidarsr532"             /> <!-- P1 (1) histogram_of_backscattering_ratio_over_height_above_reference_ellipsoid : CALIPSO Scattering Ratio -->
   <field id="CMIP6_cfc113global"  field_ref="dummy_not_provided"           /> <!-- P1 (1e-12) mole_fraction_of_cfc113_in_air : Global Mean Mole Fraction of CFC113 -->
   <field id="CMIP6_cfc11global"   field_ref="CFC11_ppt"                    /> <!-- P1 (1e-12) mole_fraction_of_cfc11_in_air : Global Mean Mole Fraction of CFC11 -->
   <field id="CMIP6_cfc12global"   field_ref="CFC12_ppt"                    /> <!-- P1 (1e-12) mole_fraction_of_cfc12_in_air : Global Mean Mole Fraction of CFC12 -->
   <field id="CMIP6_ch4"           field_ref="dummy_not_provided"           /> <!-- P1 (mol mol-1) mole_fraction_of_methane_in_air : Mole Fraction of CH4 -->
   <field id="CMIP6_ch4global"     field_ref="CH4_ppb"                      /> <!-- P1 (1e-09) mole_fraction_of_methane_in_air : Global Mean Mole Fraction of CH4 -->
   <field id="CMIP6_ci"            field_ref="ftime_con"                    /> <!-- P1 (1) convection_time_fraction : Fraction of time that convection occurs in the grid cell. -->
   <field id="CMIP6_cl"            field_ref="rneb"> rneb*100.      </field>   <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : Cloud Area Fraction in Atmosphere Layer -->
   <field id="CMIP6_clc"           field_ref="rnebcon"> rnebcon*100. </field>  <!-- P1 (%) convective_cloud_area_fraction_in_atmosphere_layer : Convective Cloud Area Fraction -->
   <field id="CMIP6_clcalipso"     field_ref="pclcalipso"                   /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : CALIPSO Cloud Area Fraction --> 
   <field id="CMIP6_clcalipso2"    field_ref="clcalipso2"                   /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : CALIPSO Cloud Fraction Undetected by CloudSat --> 
   <field id="CMIP6_clcalipsoice"  field_ref="clcalipsoice"                 /> <!-- P1 (%) ice_cloud_area_fraction_in_atmosphere_layer : CALIPSO Ice Cloud Fraction -->
   <field id="CMIP6_clcalipsoliq"  field_ref="clcalipsoliq"                 /> <!-- P1 (%) liquid_cloud_area_fraction_in_atmosphere_layer : CALIPSO Liquid Cloud Fraction -->
   <field id="CMIP6_cldicemxrat"   field_ref="cldicemxrat"                  /> <!-- P2 (1) cloud_ice_mixing_ratio : Cloud Ice Mixing Ratio -->
   <field id="CMIP6_cldnci"        field_ref="dummy_XY"                     /> <!-- P1 (m-3) number_concentration_of_ice_crystals_in_air_at_ice_cloud_top : Ice Crystal Number Concentration of Cloud Tops -->
   <field id="CMIP6_cldncl"        field_ref="cldncl" expr=" @cldncl / @lcc" > cldncl / lcc </field> <!-- P1 (m-3) number_concentration_of_cloud_liquid_water_particles_in_air_at_liquid_water_cloud_top : Cloud Droplet Number Concentration of Cloud Tops -->
   <field id="CMIP6_cldnvi"        field_ref="dummy_not_provided"           /> <!-- P1 (m-2) atmosphere_number_content_of_cloud_droplets : Column Integrated Cloud Droplet Number -->
   <field id="CMIP6_cldwatmxrat"   field_ref="cldwatmxrat"                  /> <!-- P2 (1) cloud_liquid_water_mixing_ratio : Cloud Water Mixing Ratio -->
   <field id="CMIP6_clhcalipso"    field_ref="pclhcalipso"                  /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : CALIPSO Percentage High Level Cloud -->
   <field id="CMIP6_cli"           field_ref="iwcon"                        /> <!-- P1 (kg kg-1) mass_fraction_of_cloud_ice_in_air : Includes both large-scale and convective cloud. This is the mass of cloud ice in the grid cell divided by the mass of air (including the water in all phases) in the grid cell. This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model. -->
   <field id="CMIP6_clic"          field_ref="icc3dcon"                     /> <!-- P2 (1) mass_fraction_of_convective_cloud_ice_in_air : Calculated as the mass of convective cloud ice  in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model. -->
   <field id="CMIP6_climodis"      field_ref="climodis"                     /> <!-- P1 (%) ice_cloud_area_fraction : MODIS Ice Cloud Fraction -->
   <field id="CMIP6_clis"          field_ref="icc3dstra"                    /> <!-- P2 (1) mass_fraction_of_stratiform_cloud_ice_in_air : Calculated as the mass of stratiform cloud ice  in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model. -->
   <field id="CMIP6_clisccp"       field_ref="clisccp2"                     /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : ISCCP Percentage Cloud Area -->
   <field id="CMIP6_clivi"         field_ref="iwp"                          /> <!-- P1 (kg m-2) atmosphere_cloud_ice_content : mass of ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model. -->
   <field id="CMIP6_clivic"        field_ref="dummy_XY"                     /> <!-- P1 (kg m-2) atmosphere_convective_cloud_ice_content : Convective Ice Water Path  -->
   <field id="CMIP6_cllcalipso"    field_ref="pcllcalipso"                  /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : CALIPSO Percentage Low Level Cloud -->
   <field id="CMIP6_clmcalipso"    field_ref="pclmcalipso"                  /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : CALIPSO Percentage Mid Level Cloud -->
   <field id="CMIP6_clmisr"        field_ref="clMISR"                       /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : MISR cloud area fraction -->
   <field id="CMIP6_cls"           field_ref="dummy_XYA"                    /> <!-- P1 (%) stratiform_cloud_area_fraction_in_atmosphere_layer : Stratiform Cloud Area Fraction -->
   <field id="CMIP6_clt"           field_ref="cldt"> cldt*100.        </field> <!-- P1 (%) cloud_area_fraction : for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud. -->
   <field id="CMIP6_clt_land"      field_ref="cldt"> cldt*100.        </field> <!-- P1 (%) cloud_area_fraction : Total cloud fraction -->
   <field id="CMIP6_cltc"          field_ref="dummy_XY"         /> <!-- P1 (%) convective_cloud_area_fraction : For the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes only convective cloud. -->
   <field id="CMIP6_cltcalipso"    field_ref="pcltcalipso"                  /> <!-- P1 (%) cloud_area_fraction :  CALIPSO Total Cloud Fraction -->
   <field id="CMIP6_cltisccp"      field_ref="tclisccp"                     /> <!-- P1 (%) cloud_area_fraction : ISCCP Total Cloud Fraction -->
   <field id="CMIP6_cltmodis"      field_ref="cltmodis"                     /> <!-- P1 (%) cloud_area_fraction : MODIS Total Cloud  Fraction -->
   <field id="CMIP6_clw"           field_ref="lwcon"                        /> <!-- P1 (kg kg-1) mass_fraction_of_cloud_liquid_water_in_air : Includes both large-scale and convective cloud. Calculate as the mass of cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cells. Precipitating hydrometeors are included ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model. -->
   <field id="CMIP6_clwc"          field_ref="lcc3dcon"                     /> <!-- P2 (1) mass_fraction_of_convective_cloud_liquid_water_in_air : Calculated as the mass of convective cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model. -->
   <field id="CMIP6_clwmodis"      field_ref="clwmodis"                     /> <!-- P1 (%) liquid_water_cloud_area_fraction : MODIS Liquid Cloud Fraction -->
   <field id="CMIP6_clws"          field_ref="lcc3dstra"                    /> <!-- P2 (1) mass_fraction_of_stratiform_cloud_liquid_water_in_air : Calculated as the mass of stratiform cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cell.  This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model. -->
   <field id="CMIP6_clwvi"         field_ref="lwp"                          /> <!-- P1 (kg m-2) atmosphere_cloud_condensed_water_content : mass of condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model. -->
   <field id="CMIP6_clwvic"        field_ref="dummy_XY"                     /> <!-- P1 (kg m-2) atmosphere_convective_cloud_condensed_water_content : Convective Condensed Water Path -->
   <field id="CMIP6_co2"           field_ref="dummy_not_provided"           /> <!-- P1 (mol mol-1) mole_fraction_of_carbon_dioxide_in_air :  Mole Fraction of CO2 -->
   <field id="CMIP6_co23D"         field_ref="dummy_not_provided"           /> <!-- P2 (kg kg-1) CO2_3D_tracer : requested for all Emissions-driven runs -->
   <field id="CMIP6_co2mass"       field_ref="mass_sum"> co2_ppm*1e-6*44.011/28.97*mass_sum </field> <!-- P1 (kg) atmosphere_mass_of_carbon_dioxide : Total Atmospheric Mass of CO2 -->
   <field id="CMIP6_co2s"          field_ref="dummy_not_provided"           /> <!-- P2 (1e-06) mole_fraction_of_carbon_dioxide_in_air : Atmosphere CO2 -->
   <field id="CMIP6_columnmassflux" field_ref="dummy_XY"                    /> <!-- P2 (kg m-2 s-1) atmosphere_net_upward_convective_mass_flux : Column integrated mass flux -->
   <field id="CMIP6_conccmcn"      field_ref="dummy_not_provided"           /> <!-- P1 (m-3) number_concentration_of_coarse_mode_ambient_aerosol_in_air : Number Concentration Coarse Mode Aerosol -->
   <field id="CMIP6_conccn"        field_ref="dummy_not_provided"           /> <!-- P1 (m-3) number_concentration_of_ambient_aerosol_in_air : Aerosol Number Concentration -->
   <field id="CMIP6_concdust"      field_ref="concdust"                     /> <!-- P1 (kg m-3) mass_concentration_of_dust_dry_aerosol_in_air : Concentration of Dust -->
   <field id="CMIP6_concnmcn"      field_ref="dummy_not_provided"           /> <!-- P1 (m-3) number_concentration_of_nucleation_mode_ambient_aerosol_in_air : Number Concentration of Nucleation Mode Aerosol -->
   <field id="CMIP6_demc"          field_ref="dummy_not_provided"                    /> <!-- P2 (1) convective_cloud_longwave_emissivity : This is the in-cloud emissivity obtained by considering only the cloudy portion of the grid cell. -->
   <field id="CMIP6_dems"          field_ref="dummy_not_provided"                    /> <!-- P2 (1) stratiform_cloud_longwave_emissivity : This is the in-cloud emissivity obtained by considering only the cloudy portion of the grid cell. -->
   <field id="CMIP6_diabdrag"      field_ref="dummy_XYA"                    /> <!-- P1 (m s-2) tendency_of_eastward_wind_due_to_numerical_artefacts : Tendency of Eastward Wind from Numerical Artefacts -->
   <field id="CMIP6_dmc"           field_ref="upwd"                         /> <!-- P2 (kg m-2 s-1) atmosphere_net_upward_deep_convective_mass_flux : The net mass flux  represents the difference between the updraft and downdraft components.   This is calculated as the convective mass flux divided by the area of the whole grid cell (not just the area of the cloud). -->
   <field id="CMIP6_dtauc"         field_ref="dummy_not_provided"           /> <!-- P2 (1) atmosphere_optical_thickness_due_to_convective_cloud : This is the in-cloud optical depth obtained by considering only the cloudy portion of the grid cell -->
   <field id="CMIP6_dtaus"         field_ref="dummy_not_provided"           /> <!-- P2 (1) atmosphere_optical_thickness_due_to_stratiform_cloud : This is the in-cloud optical depth obtained by considering only the cloudy portion of the grid cell. -->
   <field id="CMIP6_edt"           field_ref="kz"                           /> <!-- P1 (m2 s-1) atmosphere_heat_diffusivity : Eddy Diffusivity Coefficient for Temperature Variable -->
   <field id="CMIP6_epfy"          field_ref="dummy_XYA"                    /> <!-- P1 (m3 s-2) northward_eliassen_palm_flux_in_air : Northward Component of the Eliassen-Palm Flux -->
   <field id="CMIP6_epfz"          field_ref="dummy_XYA"                    /> <!-- P1 (m3 s-2) upward_eliassen_palm_flux_in_air : zonal mean; hence YZT -->
   <field id="CMIP6_evspsbl"       field_ref="evap"                         /> <!-- P1 (kg m-2 s-1) water_evaporation_flux : Evaporation at surface; flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation) -->
   <field id="CMIP6_evu"           field_ref="evu"                          /> <!-- P1 (m2 s-1) atmosphere_momentum_diffusivity : Eddy Viscosity Coefficients for Momentum -->
   <field id="CMIP6_fco2antt"      field_ref="dummy_not_provided"           /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_carbon_dioxide_expressed_as_carbon_due_to_anthropogenic_emission : This is requested only for the emission-driven coupled carbon climate model runs.  Does not include natural fire sources but, includes all anthropogenic sources, including fossil fuel use, cement production, agricultural burning, and sources associated with anthropogenic land use change excluding forest regrowth. -->
   <field id="CMIP6_fco2fos"       field_ref="dummy_not_provided"           /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_fossil_fuel_combustion : This is the prescribed anthropogenic CO2 flux from fossil fuel use, including cement production, and flaring (but not from land-use changes, agricultural burning, forest regrowth, etc.) -->
   <field id="CMIP6_fco2nat"       field_ref="dummy_not_provided"           /> <!-- P1 (kg m-2 s-1) surface_upward_mass_flux_of_carbon_dioxide_expressed_as_carbon_due_to_emission_from_natural_sources : This is what the atmosphere sees (on its own grid).  This field should be equivalent to the combined natural fluxes of carbon (requested in the L_mon and O_mon tables) that account for natural exchanges between the atmosphere and land or ocean reservoirs (i.e., "net ecosystem biospheric productivity", for land, and "air to sea CO2 flux", for ocean.) -->
   <field id="CMIP6_grpllsprof"    field_ref="dummy_not_provided"           /> <!-- P2 (kg m-2 s-1) large_scale_graupel_flux : Stratiform Graupel Flux  -->
   <field id="CMIP6_grplmxrat"     field_ref="dummy_not_provided"           /> <!-- P2 (1) mass_fraction_of_graupel_in_air : Graupel Mixing Ratio -->
   <field id="CMIP6_h2o"           field_ref="ovap"> ovap+ocond       </field> <!-- P2 (1) mass_fraction_of_water_in_air : includes all phases of water -->
   <field id="CMIP6_hcfc22global"  field_ref="dummy_not_provided"           /> <!-- P1 (1e-12) mole_fraction_of_hcfc22_in_air : Global Mean Mole Fraction of HCFC22 -->
   <field id="CMIP6_hfdsl"         field_ref="bils"> bils*fract_ter   </field> <!-- P1 (W m-2) surface_downward_heat_flux_in_air : Ground heat flux -->
   <field id="CMIP6_hfdsnb"        field_ref="dummy_not_provided"           /> <!-- P1 (W m-2)  : Downward heat flux at snow botton -->
   <field id="CMIP6_hfls_ist"      field_ref="lat_lic"                      /> <!-- P1 (W m-2) surface_upward_latent_heat_flux : Surface Upward Latent Heat Flux -->
   <field id="CMIP6_hfls_land"     field_ref="lat_ter"                      /> <!-- P1 (W m-2) surface_upward_latent_heat_flux : Latent heat flux -->
   <field id="CMIP6_hfls"          field_ref="flat"> flat*(-1.)       </field>  <!-- P1 (W m-2) surface_upward_latent_heat_flux : Surface Upward Latent Heat Flux -->
   <field id="CMIP6_hfmlt"         field_ref="dummy_not_provided"           /> <!-- P1 (W m-2) surface_snow_and_ice_melt_heat_flux : Energy of fusion -->
   <field id="CMIP6_hfrs"          field_ref="dummy_not_provided"           /> <!-- P1 (W m-2) temperature_flux_due_to_rainfall_expressed_as_heat_flux_onto_snow_and_ice : Heat transferred to snowpack by rainfall -->
   <field id="CMIP6_hfsbl"         field_ref="dummy_not_provided"           /> <!-- P1 (W m-2) surface_snow_and_ice_sublimation_heat_flux : Energy of sublimation -->
   <field id="CMIP6_hfss"          field_ref="sens"> sens*(-1.)       </field> <!-- P1 (W m-2) surface_upward_sensible_heat_flux : Surface Upward Sensible Heat Flux -->
   <field id="CMIP6_hfss_land"     field_ref="sens_ter"                     /> <!-- P1 (W m-2) surface_upward_sensible_heat_flux : Sensible heat flux -->
   <field id="CMIP6_hfss_ist"      field_ref="sens_lic"                     /> <!-- P1 (W m-2) surface_upward_sensible_heat_flux : Surface Upward Sensible Heat Flux -->
   <field id="CMIP6_hur"           field_ref="rhum"> rhum*100.        </field> <!-- P1 (%) relative_humidity : This is the relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C. -->
   <field id="CMIP6_hurs"          field_ref="rh2m"             /> <!-- P1 (%) relative_humidity : This is the relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C. -->
   <field id="CMIP6_hursmax"       field_ref="rh2m_max" freq_op="1d" > @rh2m_max </field> <!-- P1 (%) relative_humidity : This is the relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C. -->   
   <field id="CMIP6_hursmin"       field_ref="rh2m_min" freq_op="1d" > @rh2m_min </field> <!-- P1 (%) relative_humidity : This is the relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C. -->  
   <field id="CMIP6_hursminCrop"   field_ref="dummy_not_provided"         /> <!-- P1 (%) relative_humidity : Daily Minimum Near-Surface Relative Humidity over Crop Tile -->
   <field id="CMIP6_hus"           field_ref="ovap"             /> <!-- P1 (1.0) specific_humidity : Specific Humidity -->
   <field id="CMIP6_huss"          field_ref="q2m"              /> <!-- P1 (1.0) specific_humidity : This is sampled synoptically. -->
   <field id="CMIP6_iareafl"       field_ref="fract_sic"         >fract_sic*aire </field> <!-- P3 (m2) floating_ice_shelf_area : Antarctica -->
   <field id="CMIP6_iareagr"       field_ref="fract_lic"         >fract_lic*aire </field> <!-- P3 (m2) grounded_ice_sheet_area : Greenland -->
   <field id="CMIP6_intuadse"      field_ref="ue"               /> <!-- P1 (1.e6 J m-1 s-1) vertical_integral_eastward_wind_by_dry_static_energy : Vertically integrated Eastward dry transport (cp.T +zg).u (Mass_weighted_vertical integral of the product of northward wind by dry static_energy per mass unit) -->
   <field id="CMIP6_intuaw"        field_ref="uwat"             /> <!-- P1 (kg m-1 s-1) vertical_integral_eastward_wind_by_total_water : Vertically integrated Eastward moisture transport (Mass_weighted_vertical integral of the product of eastward wind by total water mass per unit mass) -->
   <field id="CMIP6_intvadse"      field_ref="ve"               /> <!-- P1 (1.e6 J m-1 s-1) vertical_integral_northward_wind_by_dry_static_energy : Vertically integrated Northward dry transport (cp.T +zg).v (Mass_weighted_vertical integral of the product of northward wind by dry static_energy per mass unit) -->
   <field id="CMIP6_intvaw"        field_ref="vwat"             /> <!-- P1 (kg m-1 s-1) vertical_integral_northward_wind_by_total_water : Vertically integrated Northward moisture transport (Mass_weighted_vertical integral of the product of northward wind by total water mass per unit mass) -->
   <field id="CMIP6_jo2"           field_ref="dummy_not_provided"        /> <!-- P1 (s-1) photolysis_rate_of_molecular_oxygen : zonal mean; hence YZT -->
   <field id="CMIP6_jo3"           field_ref="dummy_not_provided"        /> <!-- P1 (s-1) photolysis_rate_of_ozone : zonal mean; hence YZT --> 
   <field id="CMIP6_jpdftaureicemodis" field_ref="crimodis"              /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : MODIS Optical Thickness-Particle Size joint  distribution, ice -->
   <field id="CMIP6_jpdftaureliqmodis" field_ref="crlmodis"              /> <!-- P1 (%) cloud_area_fraction_in_atmosphere_layer : MODIS Optical Thickness-Particle Size joint  distribution, liquid -->
   <field id="CMIP6_latitude"      field_ref="dummy_not_provided"        /> <!-- P1 (degrees_north) latitude : Latitude -->
   <field id="CMIP6_lim"           field_ref="dummy_not_provided"        /> <!-- P2 (kg) land_ice_mass : Greenland -->
   <field id="CMIP6_limnsw"        field_ref="dummy_not_provided"        /> <!-- P2 (kg) land_ice_mass_not_displacing_sea_water : Greenland -->
   <field id="CMIP6_loadbc"        field_ref="loadbc"           /> <!-- P1 (kg m-2) atmosphere_mass_content_of_black_carbon_dry_aerosol : Load of Black Carbon Aerosol -->
   <field id="CMIP6_loaddust"      field_ref="loaddust"         /> <!-- P1 (kg m-2) atmosphere_mass_content_of_dust_dry_aerosol : Load of Dust -->
   <field id="CMIP6_loadnh4"       field_ref="dummy_not_provided"         /> <!-- P1 (kg m-2) atmosphere_mass_content_of_ammonium_dry_aerosol : Load of NH4 -->
   <field id="CMIP6_loadno3"       field_ref="loadno3"          /> <!-- P1 (kg m-2) atmosphere_mass_content_of_nitrate_dry_aerosol : Load of NO3 -->
   <field id="CMIP6_loadoa"        field_ref="loadoa"           /> <!-- P1 (kg m-2) atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol : Load of Dry Aerosol Organic Matter -->
   <field id="CMIP6_loadpoa"       field_ref="loadoa"           /> <!-- P1 (kg m-2) atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol : Load of Dry Aerosol Primary Organic Matter -->
   <field id="CMIP6_loadso4"       field_ref="loadso4"          /> <!-- P1 (kg m-2) atmosphere_mass_content_of_sulfate_dry_aerosol : Load of SO4 -->
   <field id="CMIP6_loadsoa"       field_ref="dummy_not_provided"         /> <!-- P1 (kg m-2) atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol : Load of Dry Aerosol Secondary Organic Matter -->
   <field id="CMIP6_loadss"        field_ref="loadss"           /> <!-- P1 (kg m-2) atmosphere_mass_content_of_seasalt_dry_aerosol : Load of Seasalt -->
   <field id="CMIP6_longitude"     field_ref="dummy_not_provided"         /> <!-- P1 (degrees_east) longitude : Longitude -->
   <!--field id="CMIP6_lwsffluxaero"  field_ref="sollwad"         --> <!-- P2 (W m-2) longwave__flux__due_to_volcanic_aerosols_at_the_surface : downwelling longwave  flux  due to volcanic aerosols at the surface to be diagnosed through double radiation call with ok_volcan=y-->
   <field id="CMIP6_lwsffluxaero"  field_ref="dummy_not_provided"         /> <!-- P2 (W m-2) longwave__flux__due_to_volcanic_aerosols_at_the_surface : downwelling longwave  flux  due to volcanic aerosols at the surface to be diagnosed through double radiation call -->
   <field id="CMIP6_lwsrfasdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) surface_instantaneous_longwave_forcing_due_to_dust : All-sky Surface Longwave radiative flux due to Dust -->
   <field id="CMIP6_lwsrfcsdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) surface_instantaneous_longwave_forcing_due_to_dust_in_clearsky : Clear-sky Surface Longwave radiative flux due to Dust -->
   <field id="CMIP6_lwtoaasdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) toa_instantaneous_longwave_forcing : all sky lw-rf dust at toa -->
   <field id="CMIP6_lwtoacsaer"    field_ref="toplwad0"         /> <!-- P1 (W m-2) toa_instantaneous_longwave_forcing : Clear-Sky LW-RF Aerosols at TOA -->
   <field id="CMIP6_lwtoacsdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) toa_instantaneous_longwave_forcing_due_to_dust_in_clearsky : Clear-sky TOA Longwave radiative flux due to Dust -->
   <!-- field id="CMIP6_lwtoafluxaerocs" field_ref="toplwad0"       --> <!-- P1 (W m-2) longwave_flux_due_to_volcanic_aerosols_at_TOA_under_clear_sky : downwelling longwave flux due to volcanic aerosols at TOA under clear sky to be diagnosed through double radiation call with ok_volcan=y -->
   <field id="CMIP6_lwtoafluxaerocs" field_ref="dummy_not_provided"       /> <!-- P1 (W m-2) longwave_flux_due_to_volcanic_aerosols_at_TOA_under_clear_sky : downwelling longwave flux due to volcanic aerosols at TOA under clear sky to be diagnosed through double radiation call -->
   <field id="CMIP6_mc"            field_ref="mc"               /> <!-- P1 (kg m-2 s-1) atmosphere_net_upward_convective_mass_flux : The net mass flux should represent the difference between the updraft and downdraft components.  The flux is computed as the mass divided by the area of the grid cell. -->
   <field id="CMIP6_mcd"           field_ref="dnwd"              > (dnwd-dnwd0) &gt; 0 ? (dnwd-dnwd0) : 0 </field> <!-- P2 (kg m-2 s-1) atmosphere_downdraft_convective_mass_flux : Calculated as the convective mass flux divided by the area of the whole grid cell (not just the area of the cloud). -->
   <field id="CMIP6_mcu"           field_ref="upwd"             /> <!-- P1 (kg m-2 s-1) atmosphere_updraft_convective_mass_flux : Calculated as the convective mass flux divided by the area of the whole grid cell (not just the area of the cloud). -->
   <field id="CMIP6_md"            field_ref="dummy_not_provided"        /> <!-- P1 (kg m-2 s-1) tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_particles_due_to_emission : Wet diameter mode coarse insoluble --> 
   <field id="CMIP6_mrroLi"        field_ref="mrroli"                    /> <!-- P1 (kg m-2 s-1) land_ice_runoff_flux : Land Ice Runoff Flux -->
   <field id="CMIP6_n2o"           field_ref="dummy_not_provided"        /> <!-- P1 (mol mol-1) mole_fraction_of_nitrous_oxide_in_air : Mole Fraction of N2O -->
   <field id="CMIP6_n2oglobal"     field_ref="N2O_ppb"                   /> <!-- P1 (1e-09) mole_fraction_of_nitrous_oxide_in_air : Global Mean Mole Fraction of N2O -->
   <field id="CMIP6_o3"            field_ref="ozone"                     /> <!-- P1 (mol mol-1) mole_fraction_of_ozone_in_air : Mole Fraction of O3 -->
   <field id="CMIP6_od443dust"     field_ref="dummy_not_provided"        /> <!-- P1 (1) atmosphere_optical_thickness_due_to_dust_ambient_aerosol_particles : Optical thickness at 443 nm Dust -->
   <field id="CMIP6_od550aerso"    field_ref="od550_STRAT"               /> <!-- P1 (1) strat_aerosol_optical_depth : Stratospheric Optical depth at 550 nm (all aerosols) 2D-field (here we limit the computation of OD to the stratosphere only) -->
   <field id="CMIP6_od550so4so"    field_ref="dummy_not_provided"        /> <!-- P1 (1)  : Stratospheric Optical depth at 550 nm (sulphate only) 2D-field (here we limit the computation of OD to the stratosphere only) --> 
   <field id="CMIP6_od865dust"     field_ref="dummy_not_provided"        /> <!-- P1 (1) atmosphere_optical_thickness_due_to_dust_ambient_aerosol_particles : Optical thickness at 865 nm Dust -->
   <field id="CMIP6_orog"          field_ref="phis" > phis / 9.80665 </field> <!-- P1 (m) surface_altitude : Surface Altitude -->
   <field id="CMIP6_parasolRefl"   field_ref="parasol_refl"              /> <!-- P1 (1) toa_bidirectional_reflectance : PARASOL Reflectance -->
   <field id="CMIP6_pctisccp"      field_ref="ctpisccp"                  /> <!-- P1 (Pa) air_pressure_at_cloud_top : time-means weighted by the ISCCP Total Cloud Fraction - see  http://cfmip.metoffice.com/COSP.html -->
   <field id="CMIP6_pfull"         field_ref="pres"                      /> <!-- P1 (Pa) air_pressure : Pressure on Model Levels -->
   <field id="CMIP6_phalf"         field_ref="paprs"                     /> <!-- P1 (Pa) air_pressure : Pressure on Model Half-Levels -->
   <field id="CMIP6_pr"            field_ref="precip"                    /> <!-- P1 (kg m-2 s-1) precipitation_flux : at surface; includes both liquid and solid phases from all types of clouds (both large-scale and convective) -->
   <field id="CMIP6_prCrop"        field_ref="dummy_not_provided"        /> <!-- P1 (kg m-2 s-1) precipitation_flux : Precipitation over Crop Tile -->
   <field id="CMIP6_prc"           field_ref="pluc"                      /> <!-- P1 (kg m-2 s-1) convective_precipitation_flux : at surface; includes both liquid and solid phases. -->
   <field id="CMIP6_prcprof"       field_ref="pr_con_l"                  /> <!-- P2 (kg m-2 s-1) convective_rainfall_flux : Convective Rainfall Flux -->
   <field id="CMIP6_prcsh"         field_ref="dummy_not_provided"        /> <!-- P1 (kg m-2 s-1) shallow_convective_precipitation_flux : Shallow convection precipitation flux -->
   <field id="CMIP6_prhmax"        field_ref="prhmax" freq_op="1h" >   @prhmax   </field> <!-- P1 (kg m-2 s-1) precipitation_flux : Maximum Hourly Precipitation Rate -->
   <field id="CMIP6_prlsns"        field_ref="pr_lsc_i"                  /> <!-- P2 (kg m-2 s-1) large_scale_snowfall_flux : large-scale precipitation of all forms of water in the solid phase. -->
   <field id="CMIP6_prlsprof"      field_ref="pr_lsc_l"                  /> <!-- P2 (kg m-2 s-1) large_scale_rainfall_flux : Stratiform Rainfall Flux -->
   <field id="CMIP6_prra_land"     field_ref="rain_fall"         /> <!-- P2 (kg m-2 s-1) rainfall_flux : rainfall_flux -->
   <field id="CMIP6_prra_ifs"      field_ref="rain_fall"         /> <!-- P1 (kg m-2 s-1) rainfall_flux : computed as the total mass of liquid water falling as liquid rain  into the ice-free portion of the ocean divided by the area of the ocean portion of the grid cell. -->
   <field id="CMIP6_prra_ist"      field_ref="rain_fall"         /> <!-- P1 (kg m-2 s-1) rainfall_flux : over Land Ice//quantity averaged over ice sheet (grounded ice sheet and floating ice shelf) only. Needed to analyse the impact of downscaling methods -->
   <field id="CMIP6_prra"          field_ref="rain_fall"                 /> <!-- P1 (kg m-2 s-1) rainfall_flux : Rainfall rate -->
   <field id="CMIP6_prrc_land"     field_ref="rain_con"         /> <!-- P1 (kg m-2 s-1) convective_rainfall_flux : convective_rainfall_flux -->
   <field id="CMIP6_prrc"          field_ref="rain_con"                  /> <!-- P1 (kg m-2 s-1) convective_rainfall_flux : Convective Rainfall rate -->
   <field id="CMIP6_prrsn"         field_ref="dummy_not_provided"       /> <!-- P1 (1) mass_fraction_of_rainfall_onto_snow : mass_fraction_of_rainfall_onto_snow -->
   <field id="CMIP6_prsn"          field_ref="snow"                     /> <!-- P1 (kg m-2 s-1) snowfall_flux : at surface; includes precipitation of all forms of water in the solid phase -->
   <field id="CMIP6_prsn_ifs"      field_ref="snow"                     /> <!-- P1 (kg m-2 s-1) snowfall_flux : computed as the total mass per unit time of solid-phase precipitation falling into the ice-free portion of the ocean divided by the area of the ocean portion of the grid cell.   (Snowfall flux includes all types of solid-phase precipitation.) -->
   <field id="CMIP6_prsn_ist"      field_ref="snow"                     /> <!-- P1 (kg m-2 s-1) snowfall_flux : quantity averaged over ice sheet (grounded ice sheet and floating ice shelf) only. Needed to analyse the impact of downscaling methods -->
   <field id="CMIP6_prsnc_land"    field_ref="pr_con_i"        /> <!-- P2 (kg m-2 s-1) convective_snowfall_flux : convective_snowfall_flux -->
   <field id="CMIP6_prsnc"         field_ref="pr_con_i"                 /> <!-- P2 (kg m-2 s-1) convective_snowfall_flux : Convective Snowfall rate -->
   <field id="CMIP6_prsnsn"        field_ref="dummy_not_provided"       /> <!-- P1 (1) mass_fraction_of_snowfall_onto_snow : mass_fraction_of_snowfall_onto_snow -->
   <field id="CMIP6_prw"           field_ref="prw"                      /> <!-- P1 (kg m-2) atmosphere_water_vapor_content : Water Vapor Path -->
   <field id="CMIP6_ps"            field_ref="psol"                     /> <!-- P1 (Pa) surface_air_pressure : not, in general, the same as mean sea-level pressure -->
   <field id="CMIP6_psitem"        field_ref="dummy_XYA"                /> <!-- P1 (kg s^-1) meridional_streamfunction_transformed_eulerian_mean : zonal mean; hence YZT -->
   <field id="CMIP6_psl"           field_ref="slp"                      /> <!-- P1 (Pa) air_pressure_at_sea_level : not, in general, the same as surface pressure -->
   <field id="CMIP6_rainmxrat"     field_ref="dummy_not_provided"       /> <!-- P2 (1) mass_fraction_of_rain_in_air : rain_mixing_ratio -->
   <field id="CMIP6_reffcclwtop"   field_ref="dummy_not_provided"       /> <!-- P1 (m) effective_radius_of_convective_cloud_liquid_water_particle_at_liquid_water_cloud_top : Cloud-Top Effective Droplet Radius In Convective Cloud -->
   <field id="CMIP6_reffclic"      field_ref="dummy_not_provided"       /> <!-- P2 (m) effective_radius_of_convective_cloud_ice_particle : Hydrometeor Effective Radius of Convective Cloud Ice -->
   <field id="CMIP6_reffclis"      field_ref="ref_ice"                  /> <!-- P2 (m) effective_radius_of_stratiform_cloud_ice_particle : Hydrometeor Effective Radius of Stratiform Cloud Ice -->
   <field id="CMIP6_reffclwc"      field_ref="dummy_not_provided"       /> <!-- P2 (m) effective_radius_of_convective_cloud_liquid_water_particle : Hydrometeor Effective Radius of Convective Cloud Liquid Water -->
   <field id="CMIP6_reffclws"      field_ref="reffclws" expr="@reffclws / @lcc3dstra" > reffclws / lcc3dstra </field> <!-- P2 (m) effective_radius_of_stratiform_cloud_liquid_water_particle : Hydrometeor Effective Radius of Stratiform Cloud Liquid Water -->
   <field id="CMIP6_reffgrpls"     field_ref="dummy_not_provided"       /> <!-- P2 (m) effective_radius_of_stratiform_cloud_graupel_particle : This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell). -->
   <field id="CMIP6_reffrainc"     field_ref="dummy_XYA"        /> <!-- P2 (m) effective_radius_of_convective_cloud_rain_particle : This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell). -->
   <field id="CMIP6_reffrains"     field_ref="dummy_XYA"        /> <!-- P2 (m) effective_radius_of_stratiform_cloud_rain_particle : This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell). -->
   <field id="CMIP6_reffsclwtop"   field_ref="reffclwtop" expr="@reffclwtop / @lcc" > reffclwtop / lcc </field> <!-- P1 (m) effective_radius_of_stratiform_cloud_liquid_water_particle_at_liquid_water_cloud_top : Cloud-Top Effective Droplet Radius In Stratiform Cloud -->
   <field id="CMIP6_reffsnowc"     field_ref="dummy_XYA"        /> <!-- P2 (m) effective_radius_of_convective_cloud_snow_particle : This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell). -->
   <field id="CMIP6_reffsnows"     field_ref="dummy_XYA"        /> <!-- P2 (m) effective_radius_of_stratiform_cloud_snow_particle : This is defined as the in-cloud ratio of the third moment over the second moment of the particle size distribution (obtained by considering only the cloudy portion of the grid cell). -->
   <field id="CMIP6_rld"           field_ref="rld"> rld*(-1.)   </field> <!-- P1 (W m-2) downwelling_longwave_flux_in_air : Downwelling Longwave Radiation -->
   <field id="CMIP6_rld4co2"       field_ref="rld4co2"          /> <!-- P1 (W m-2) downwelling_longwave_flux_in_air : Downwelling Longwave Radiation 4XCO2 Atmosphere --> 
   <field id="CMIP6_rldcs"         field_ref="rldcs"            /> <!-- P1 (W m-2) downwelling_longwave_flux_in_air_assuming_clear_sky : Downwelling Clear-Sky Longwave Radiation -->
   <field id="CMIP6_rldcs4co2"     field_ref="rldcs4co2"        /> <!-- P1 (W m-2) downwelling_longwave_flux_in_air_assuming_clear_sky : Downwelling Clear-Sky Longwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rlds_ist"      field_ref="LWdnSFC"          /> <!-- P1 (W m-2) surface_downwelling_longwave_flux_in_air : Surface Downwelling Longwave Radiation -->
   <field id="CMIP6_rlds"          field_ref="LWdnSFC"          /> <!-- P1 (W m-2) surface_downwelling_longwave_flux_in_air : Surface Downwelling Longwave Radiation -->
   <field id="CMIP6_rldscs"        field_ref="LWdnSFCclr"       /> <!-- P1 (W m-2) surface_downwelling_longwave_flux_in_air : Surface Downwelling Longwave Radiation -->
   <field id="CMIP6_rls"           field_ref="soll"             /> <!-- P1 (W m-2) surface_net_downward_longwave_flux : Net Longwave Surface Radiation -->
   <field id="CMIP6_rls_land"      field_ref="flw_ter"             /> <!-- P1 (W m-2) surface_net_downward_longwave_flux : Net longwave radiation -->
   <field id="CMIP6_rlu"           field_ref="rlu"              /> <!-- P1 (W m-2) upwelling_longwave_flux_in_air : Fluxes are requested at all levels -->
   <field id="CMIP6_rlu4co2"       field_ref="rlu4co2"          /> <!-- P1 (W m-2) upwelling_longwave_flux_in_air : Upwelling Longwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rlucs"         field_ref="rlucs"            /> <!-- P1 (W m-2) upwelling_longwave_flux_in_air_assuming_clear_sky : Includes also the fluxes at the surface and TOA. -->
   <field id="CMIP6_rlucs4co2"     field_ref="rlucs4co2"        /> <!-- P1 (W m-2) upwelling_longwave_flux_in_air_assuming_clear_sky : Upwelling Clear-Sky Longwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rlus_ist"      field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_upwelling_longwave_flux_in_air : Surface Upwelling Longwave Radiation -->
   <field id="CMIP6_rlus"          field_ref="LWupSFC"          /> <!-- P1 (W m-2) surface_upwelling_longwave_flux_in_air : Surface Upwelling Longwave Radiation -->
   <field id="CMIP6_rlut"          field_ref="topl"             /> <!-- P1 (W m-2) toa_outgoing_longwave_flux : TOA Outgoing Longwave Radiation -->
   <field id="CMIP6_rlut4co2"      field_ref="rlut4co2"         /> <!-- P1 (W m-2) toa_outgoing_longwave_flux : TOA Outgoing Longwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rlutcs"        field_ref="topl0"            /> <!-- P1 (W m-2) toa_outgoing_longwave_flux_assuming_clear_sky : TOA Outgoing Clear-Sky Longwave Radiation -->
   <field id="CMIP6_rlutcs4co2"    field_ref="rlutcs4co2"       /> <!-- P1 (W m-2) toa_outgoing_longwave_flux_assuming_clear_sky : TOA Outgoing Clear-Sky Longwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rsd"           field_ref="rsd"              /> <!-- P1 (W m-2) downwelling_shortwave_flux_in_air : Fluxes are requested at all levels -->
   <field id="CMIP6_rsd4co2"       field_ref="rsd4co2"          /> <!-- P1 (W m-2) downwelling_shortwave_flux_in_air : Downwelling Shortwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rsdcs"         field_ref="rsdcs"            /> <!-- P1 (W m-2) downwelling_shortwave_flux_in_air_assuming_clear_sky : Downwelling Clear-Sky Shortwave Raiation -->
   <field id="CMIP6_rsdcs4co2"     field_ref="rsdcs4co2"        /> <!-- P1 (W m-2) downwelling_shortwave_flux_in_air_assuming_clear_sky : Downwelling Clear-Sky Shortwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rsdcsbnd"      field_ref="dummy_not_provided"        />   <!-- P1 (W m-2) downwelling_shortwave_flux_in_air_assuming_clear_sky : Downwelling Clear-Sky Shortwave Radiation at each level for each band -->
   <field id="CMIP6_rsds"          field_ref="SWdnSFC"          /> <!-- P1 (W m-2) surface_downwelling_shortwave_flux_in_air : This is the 3-hour mean flux. -->
   <field id="CMIP6_rsds_ist"      field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_downwelling_shortwave_flux_in_air : Surface Downwelling Shortwave Radiation -->
   <field id="CMIP6_rsdscs"        field_ref="SWdnSFCclr"       /> <!-- P1 (W m-2) surface_downwelling_shortwave_flux_in_air_assuming_clear_sky : Surface Downwelling Clear-Sky Shortwave Radiation -->
   <field id="CMIP6_rsdscsbnd"     field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) surface_downwelling_shortwave_flux_in_air_assuming_clear_sky : Surface Downwelling Clear-Sky Shortwave Radiation for each band -->
   <field id="CMIP6_rsdscsdiff"    field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_diffuse_downwelling_shortwave_flux_in_air_assuming_clear_sky : Surface Diffuse Downwelling Clear Sky Shortwave Radiation --> 
   <field id="CMIP6_rsdsdiff"      field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_diffuse_downwelling_shortwave_flux_in_air : Surface Diffuse Downwelling Shortwave Radiation -->
   <field id="CMIP6_rsdt"          field_ref="SWdnTOA"          /> <!-- P1 (W m-2) toa_incoming_shortwave_flux : TOA Incident Shortwave Radiation -->
   <field id="CMIP6_rss_land"      field_ref="fsw_ter"             /> <!-- P1 (W m-2) surface_net_downward_shortwave_flux : Net shortwave radiation -->
   <field id="CMIP6_rss"           field_ref="sols"             /> <!-- P1 (W m-2) surface_net_downward_shortwave_flux : Net Shortwave Surface Radiation -->
   <field id="CMIP6_rsu"           field_ref="rsu"              /> <!-- P1 (W m-2) upwelling_shortwave_flux_in_air : Fluxes are requested at all levels -->
   <field id="CMIP6_rsu4co2"       field_ref="rsu4co2"          /> <!-- P1 (W m-2) upwelling_shortwave_flux_in_air : Upwelling Shortwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rsucs"         field_ref="rsucs"            />  <!-- P1 (W m-2) upwelling_shortwave_flux_in_air_assuming_clear_sky : Includes also the fluxes at the surface and TOA. -->
   <field id="CMIP6_rsucs4co2"     field_ref="rsucs4co2"        /> <!-- P1 (W m-2) upwelling_shortwave_flux_in_air_assuming_clear_sky : Upwelling Clear-Sky Shortwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rsucsbnd"      field_ref="dummy_not_provided"        /> <!-- P1 (W m-2) upwelling_shortwave_flux_in_air_assuming_clear_sky : Upwelling Clear-Sky Shortwave Radiation at each level for each band -->
   <field id="CMIP6_rsus_ist"      field_ref="dummy_XY"         /> <!-- P1 (W m-2) surface_upwelling_shortwave_flux_in_air : Surface Upwelling Shortwave Radiation -->
   <field id="CMIP6_rsus"          field_ref="SWupSFC"          /> <!-- P1 (W m-2) surface_upwelling_shortwave_flux_in_air : Surface Upwelling Shortwave Radiation --> 
   <field id="CMIP6_rsuscs"        field_ref="SWupSFCclr"       /> <!-- P1 (W m-2) surface_upwelling_shortwave_flux_in_air_assuming_clear_sky : Surface Upwelling Clear-Sky Shortwave Radiation -->
   <field id="CMIP6_rsuscsbnd"     field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) surface_upwelling_shortwave_flux_in_air_assuming_clear_sky : Surface Upwelling Clear-Sky Shortwave Radiation for each band -->
   <field id="CMIP6_rsut"          field_ref="SWupTOA"          /> <!-- P1 (W m-2) toa_outgoing_shortwave_flux : TOA Outgoing Shortwave Radiation -->
   <field id="CMIP6_rsut4co2"      field_ref="rsut4co2"         /> <!-- P1 (W m-2) toa_outgoing_shortwave_flux : TOA Outgoing Shortwave Radiation in 4XCO2 Atmosphere -->
   <field id="CMIP6_rsutcs"        field_ref="SWupTOAclr"       /> <!-- P1 (W m-2) toa_outgoing_shortwave_flux_assuming_clear_sky : TOA Outgoing Clear-Sky Shortwave Radiation -->
   <field id="CMIP6_rsutcs4co2"    field_ref="rsutcs4co2"       /> <!-- P1 (W m-2) toa_outgoing_shortwave_flux_assuming_clear_sky : TOA Outgoing Clear-Sky Shortwave Radiation 4XCO2 Atmosphere -->
   <field id="CMIP6_rsutcsafbnd"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) band_toa_outgoing_shortwave_flux_assuming_clean_clear_sky : TOA Outgoing Clear-Sky, Aerosol-Free Shortwave Radiation in Bands -->
   <field id="CMIP6_rsutcsbnd"     field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) toa_outgoing_shortwave_flux_assuming_clear_sky : TOA Outgoing Clear-Sky Shortwave Radiation for each band -->
   <field id="CMIP6_rtmt"          field_ref="nettop"           /> <!-- P1 (W m-2) net_downward_radiative_flux_at_top_of_atmosphere_model : i.e., at the top of that portion of the atmosphere where dynamics are explicitly treated by the model. This is reported only if it differs from the net downward radiative flux at the top of the atmosphere. -->
   <field id="CMIP6_rv"            field_ref="dummy_XY"         /> <!-- P1 (s-1) atmosphere_relative_vorticity : Relative Vorticity at 850 hPa -->
   <field id="CMIP6_sblnosn"       field_ref="dummy_not_provided"         /> <!-- P1 (kg m-2 s-1) sublimation_amount_assuming_no_snow : sublimation_amount_assuming_no_snow -->
   <field id="CMIP6_sci"           field_ref="ftime_th"         /> <!-- P1 (1.0) shallow_convection_time_fraction : Fraction of time that shallow convection occurs in the grid cell. -->
   <field id="CMIP6_scldncl"       field_ref="dummy_XY"         /> <!-- P1 (m-3) number_concentration_of_stratiform_cloud_liquid_water_particles_in_air_at_liquid_water_cloud_top : Cloud Droplet Number Concentration of Stratiform Cloud Tops -->
   <field id="CMIP6_sconcdust"     field_ref="sconcdust"        /> <!-- P1 (kg m-3) mass_concentration_of_dust_dry_aerosol_in_air : Surface Concentration of Dust -->
   <field id="CMIP6_sconcso4"      field_ref="sconcso4"         /> <!-- P1 (kg m-3) mass_concentration_of_sulfate_dry_aerosol_in_air : Surface Concentration of SO4 -->
   <field id="CMIP6_sconcss"       field_ref="sconcss"          /> <!-- P1 (kg m-3) mass_concentration_of_seasalt_dry_aerosol_in_air : Surface Concentration of Seasalt -->
   <field id="CMIP6_sfcWind"       field_ref="wind10m"          />  <!-- P1 (m s-1) wind_speed : Near surface wind speed -->
   <field id="CMIP6_sfcWindmax"    field_ref="sfcWindmax" freq_op="1d"   > @sfcWindmax </field> <!-- P1 (m s-1) wind_speed : Mean Daily Maximum Near-Surface Wind Speed --> 
   <field id="CMIP6_sftlf"         field_ref="pourc_ter"> pourc_ter+pourc_lic </field> <!-- P1 (%) land_area_fraction : Land Area Fraction -->
   <field id="CMIP6_siltfrac"      field_ref="dummy_not_provided"       /> <!-- P1 (1.0)  : Silt Fraction -->
   <field id="CMIP6_smc"           field_ref="f_th"        /> <!-- P2 (kg m-2 s-1) atmosphere_net_upward_shallow_convective_mass_flux : The net mass flux represents the difference between the updraft and downdraft components.  For models with a distinct shallow convection scheme, this is calculated as convective mass flux divided by the area of the whole grid cell (not just the area of the cloud). -->
   <field id="CMIP6_snmsl"         field_ref="dummy_not_provided"         /> <!-- P1 (kg m-2 s-1) surface_snow_melt_flux_into_soil_layer : surface_snow_melt_flux_into_soil_layer -->
   <field id="CMIP6_snowmxrat"     field_ref="dummy_not_provided"         /> <!-- P2 (1.0) mass_fraction_of_snow_in_air : snow_mixing_ratio -->
   <field id="CMIP6_snrefr"        field_ref="dummy_not_provided"         /> <!-- P1 (kg m-2 s-1) surface_snow_and_ice_refreezing_flux : surface_snow_and_ice_refreezing_flux -->
   <field id="CMIP6_snwc"          field_ref="dummy_not_provided"         /> <!-- P1 (kg m-2) canopy_snow_amount : canopy_snow_amount -->
   <field id="CMIP6_solbnd"        field_ref="solbnd"         />  <!-- P1 (W m-2) solar_irradiance : Top-of-Atmosphere Solar Insolation for each band -->
   <!-- field id="CMIP6_swsffluxaero"  field_ref="solswad"         --> <!-- P2 (W m-2) shortwave__flux_due_to_volcanic_aerosols_at__the_surface : downwelling shortwave  flux due to volcanic aerosols at  the surface to be diagnosed through double radiation call with ok_volcan=y-->
   <field id="CMIP6_swsffluxaero"  field_ref="dummy_not_provided"         /> <!-- P2 (W m-2) shortwave__flux_due_to_volcanic_aerosols_at__the_surface : downwelling shortwave  flux due to volcanic aerosols at  the surface to be diagnosed through double radiation call -->
   <field id="CMIP6_swsrfasdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) tendency_of_all_sky_surface_shortwave_flux_due_to_dust_ambient_aerosol_particles : All-sky Surface Shortwave radiative flux due to Dust -->
   <field id="CMIP6_swsrfcsdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) tendency_of_clear_sky_surface_shortwave_flux_due_to_dust_ambient_aerosol_particles : Clear-sky Surface Shortwave radiative flux due to Dust -->
   <field id="CMIP6_swtoaasdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) toa_instantaneous_shortwave_forcing : all sky sw-rf dust at toa -->
   <field id="CMIP6_swtoacsdust"   field_ref="dummy_not_provided"         /> <!-- P1 (W m-2) toa_instantaneous_shortwave_forcing : clear sky sw-rf dust at toa -->
   <!-- field id="CMIP6_swtoafluxaerocs" field_ref="topswad0"       --> <!-- P1 (W m-2) shortwave_flux_due_to_volcanic_aerosols_at_TOA_under_clear_sky : downwelling shortwave flux due to volcanic aerosols at TOA under clear sky to be diagnosed through double radiation call with ok_volcan=y-->
   <field id="CMIP6_swtoafluxaerocs" field_ref="dummy_not_provided"       /> <!-- P1 (W m-2) shortwave_flux_due_to_volcanic_aerosols_at_TOA_under_clear_sky : downwelling shortwave flux due to volcanic aerosols at TOA under clear sky to be diagnosed through double radiation call -->
   <field id="CMIP6_sza"           field_ref="sza"              /> <!-- P1 (degree) solar_zenith_angle : solar zenith angle -->
   <field id="CMIP6_t2"            field_ref="temp"> temp*temp   </field> <!-- P2 (K2) square_of_air_temperature : square_of_air_temperature -->
   <field id="CMIP6_ta"            field_ref="temp"             /> <!-- P1 (K) air_temperature : Air Temperature -->
   <field id="CMIP6_tas_ist"       field_ref="t2m_lic"          /> <!-- P1 (K) air_temperature : quantity averaged over ice sheet (grounded ice sheet and floating ice shelf) only. Needed to analyse the impact of downscaling methods -->
   <field id="CMIP6_tas"           field_ref="t2m"              /> <!-- P1 (K) air_temperature : This is sampled synoptically. -->
   <field id="CMIP6_tasmax"        field_ref="tasmax" freq_op="1d"> @tasmax </field> <!-- P1 (K) air_temperature : monthly mean of the daily-maximum near-surface air temperature. -->  
   <field id="CMIP6_tasmaxCrop"    field_ref="dummy_not_provided"         /> <!-- P1 (K) air_temperature : Daily Maximum Near-Surface Air Temperature over Crop Tile -->
   <field id="CMIP6_tasmin"        field_ref="tasmin" freq_op="1d"> @tasmin  </field> <!-- P1 (K) air_temperature : Daily Minimum Near-Surface Air Temperature -->  
   <field id="CMIP6_tasminCrop"    field_ref="dummy_not_provided"         /> <!-- P1 (K) air_temperature : Daily Minimum Near-Surface Air Temperature over Crop Tile -->
   <field id="CMIP6_tau"           field_ref="taux"              >  sqrt( taux^2 + tauy^2)        </field> <!-- P1 (N m-2) surface_downward_stress : Momentum flux --> 
   <field id="CMIP6_tauu"          field_ref="taux"             /> <!-- P1 (Pa) surface_downward_eastward_stress : Surface Downward Eastward Wind Stress -->
   <field id="CMIP6_tauupbl"       field_ref="dummy_XY"         /> <!-- P1 (Pa) surface_downward_eastward_stress_due_to_planetary_boundary_layer : surface -->
   <field id="CMIP6_tauv"          field_ref="tauy"             /> <!-- P1 (Pa) surface_downward_northward_stress : Surface Downward Northward Wind Stress --> 
   <field id="CMIP6_tauvpbl"       field_ref="dummy_XY"         /> <!-- P1 (Pa) surface_downward_northward_stress_due_to_planetary_boundary_layer : surface -->
   <field id="CMIP6_tdps"          field_ref="pvap"> 273.16 + (273.16 - 35.86)/(17.269/log(pvap/611.14)-1.)      </field> <!-- P1 (K) dew_point_temperature : 2m dewpoint temperature -->
   <field id="CMIP6_tendacabf"     field_ref="dummy_not_provided"         /> <!-- P3 (kg s-1) tendency_of_land_ice_mass_due_to_surface_mass_balance : Greenland -->
   <field id="CMIP6_tendlibmassbf" field_ref="dummy_not_provided"         /> <!-- P3 (kg s-1) tendency_of_land_ice_mass_due_to_basal_mass_balance : Antarctica -->
   <field id="CMIP6_tendlicalvf"   field_ref="dummy_not_provided"         /> <!-- P3 (kg s-1) tendency_of_land_ice_mass_due_to_calving : Antarctica -->
   <field id="CMIP6_tnhus"         field_ref="tnhus"            /> <!-- P1 (s-1) tendency_of_specific_humidity : Tendency of Specific Humidity -->
   <field id="CMIP6_tnhusa"        field_ref="dqdyn"            /> <!-- P1 (s-1) tendency_of_specific_humidity_due_to_advection : Tendency of Specific Humidity due to Advection -->
   <field id="CMIP6_tnhusc"        field_ref="tnhusc"           /> <!-- P1 (s-1) tendency_of_specific_humidity_due_to_convection : Tendencies from cumulus convection scheme. -->
   <field id="CMIP6_tnhusd"        field_ref="dqvdf"            /> <!-- P1 (s-1) tendency_of_specific_humidity_due_to_diffusion : This includes any horizontal or vertical numerical moisture diffusion not associated with the parametrized moist physics or the resolved dynamics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be excluded, as should any diffusion which is included in the terms from the resolved dynamics.   This term is required to check the closure of the moisture budget. -->
   <field id="CMIP6_tnhusmp"       field_ref="dqphy"            /> <!-- P1 (s-1) tendency_of_specific_humidity_due_to_model_physics : This includes sources and sinks from parametrized moist physics (e.g. convection, boundary layer, stratiform condensation/evaporation, etc.) and excludes sources and sinks from resolved dynamics or from horizontal or vertical numerical diffusion not associated with model physicsl.  For example any diffusive mixing by the boundary layer scheme would be included. -->
   <field id="CMIP6_tnhuspbl"      field_ref="dqvdf"             > dqvdf+dqthe </field> <!-- P1 (s-1) tendency_of_specific_humidity_due_to_boundary_layer_mixing : alevel site time1 -->
   <field id="CMIP6_tnhusscp"      field_ref="dqlscst"          /> <!-- P1 (s-1) tendency_of_specific_humidity_due_to_stratiform_clouds_and_precipitation : Tendency of Specific Humidity Due to Stratiform Clouds and Precipitation -->
   <field id="CMIP6_tnhusscpbl"    field_ref="tnhusscpbl"       /> <!-- P1 (s-1) tendency_of_specific_humidity_due_to_stratiform_cloud_and_precipitation_and_boundary_layer_mixing : To be specified only in  models which do not separate budget terms for stratiform cloud, precipitation and boundary layer schemes.  Includes all bounday layer terms including and diffusive terms. -->
   <field id="CMIP6_tnt"           field_ref="tnt"              /> <!-- P1 (K s-1) tendency_of_air_temperature : Tendency of Air Temperature -->
   <field id="CMIP6_tnta"          field_ref="dtdyn"            /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_advection : Tendency of Air Temperature due to Advection -->
   <field id="CMIP6_tntc"          field_ref="tntc"             /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_convection : zonal mean; hence YZT -->
   <field id="CMIP6_tntd"          field_ref="dtajs"             > dtajs+dtoro+dtlif </field> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_numerical_diffusion : Tendency of Air Temperature due to Numerical Diffusion -->
   <field id="CMIP6_tntmp"         field_ref="dtphy"            /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_model_physics : This includes sources and sinks from parametrized physics (e.g. radiation, convection, boundary layer, stratiform condensation/evaporation, etc.). It excludes sources and sinks from resolved dynamics and numerical diffusion not associated with parametrized physics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be included, while numerical diffusion applied in addition to physics or resolved dynamics should be excluded.  This term is required to check the closure of the heat budget. -->
   <field id="CMIP6_tntnogw"       field_ref="dummy_XYA"        /> <!-- P2 (K s-1) temperature_tendency_due_to_dissipation_nonorographic_gravity_wave_drag : zonal mean; hence YZT -->
   <field id="CMIP6_tntogw"        field_ref="dtoro"            /> <!-- P2 (K s-1) temperature_tendency_due_to_dissipation_orographic_gravity_wave_drag : zonal mean; hence YZT -->
   <field id="CMIP6_tntpbl"        field_ref="dtvdf"             > dtvdf + dtthe </field> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_boundary_layer_mixing : alevel site time1 -->
   <field id="CMIP6_tntr"          field_ref="tntr"             /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_radiative_heating : Tendency of Air Temperature due to Radiative Heating -->
   <field id="CMIP6_tntrlcs"       field_ref="dtlw0"            /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_longwave_heating_assuming_clear_sky : zonal mean; hence YZT -->
   <field id="CMIP6_tntrscs"       field_ref="dtsw0"            /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_shortwave_heating_assuming_clear_sky : zonal mean; hence YZT -->
   <field id="CMIP6_tntscp"        field_ref="dtlschr"          /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_stratiform_clouds_and_precipitation : alevel site time1 -->
   <field id="CMIP6_tntscpbl"      field_ref="tntscpbl"         /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_stratiform_cloud_and_precipitation_and_boundary_layer_mixing : To be specified only in  models which do not separate cloud, precipitation and boundary layer terms.  Includes all boundary layer terms including diffusive ones. -->
   <field id="CMIP6_tr"            field_ref="tsol"             /> <!-- P1 (K) surface_temperature : Surface Radiative Temperature -->
   <field id="CMIP6_ts"            field_ref="tsol"             /> <!-- P1 (K) surface_temperature : Surface temperature (skin for open ocean) -->
   <field id="CMIP6_ts_ist"        field_ref="tsol_lic"         /> <!-- P1 (K) surface_temperature : quantity averaged over ice sheet (grounded ice sheet and floating ice shelf) only. Needed to analyse the impact of downscaling methods -->
   <field id="CMIP6_tsns"          field_ref="dummy_not_provided"         /> <!-- P1 (K) surface_temperature : Snow Surface Temperature -->
   <field id="CMIP6_twap"          field_ref="vitw">vitw*temp </field> <!-- P2 (K Pa s-1) product_of_omega_and_air_temperature : air_temperature_times_omega -->
   <field id="CMIP6_u2"            field_ref="vitu"              > vitu*vitu</field> <!-- P2 (m2 s-2) square_of_eastward_wind : square_of_eastward_wind -->
   <field id="CMIP6_ua"            field_ref="vitu"             /> <!-- P1 (m s-1) eastward_wind : Eastward Wind -->
   <field id="CMIP6_uas"           field_ref="u10m"             /> <!-- P1 (m s-1) eastward_wind : Eastward Near-Surface Wind -->
   <field id="CMIP6_uqint"         field_ref="uq"               /> <!-- P1 (m2 s-1) integral_of_product_of_eastward_wind_and_specific_humidity_wrt_height : Eastward integrated moisture transport -->
   <field id="CMIP6_ut"            field_ref="vitu"              > vitu*temp </field> <!-- P2 (K m s-1) product_of_eastward_wind_and_air_temperature : air_temperature_times_eastward_wind -->
   <field id="CMIP6_utendepfd"     field_ref="dummy_XYA"        /> <!-- P1 (m s-2) tendency_of_eastward_wind_due_to_eliassen_palm_flux_divergence : Called "acceldivf" in CCMI table; we suggest new name. zonal mean; hence YZT -->
   <field id="CMIP6_utendnogw"     field_ref="du_gwd_rando"> du_gwd_rando + du_gwd_front </field> <!-- P1 (m s-2) tendency_of_eastward_wind_due_to_nonorographic_gravity_wave_drag : zonal mean; hence YZT -->
   <field id="CMIP6_utendogw"      field_ref="duoro"        /> <!-- P1 (m s-2) tendency_of_eastward_wind_due_to_orographic_gravity_wave_drag : u-tendency orographic gravity wave drag -->
   <field id="CMIP6_utendvtem"     field_ref="dummy_XYA"        /> <!-- P1 (m s-1 d-1) u-tendency_by_wstar_advection : zonal mean; hence YZT -->
   <field id="CMIP6_utendwtem"     field_ref="dummy_XYA"        /> <!-- P1 (m s-1 d-1) u-tendency_by_vstar_advection : zonal mean; hence YZT -->
   <field id="CMIP6_uv"            field_ref="vitu"> vitu*vitv  </field> <!-- P2 (m2 s-2) product_of_eastward_wind_and_northward_wind : eastward_wind_times_northward_wind -->
   <field id="CMIP6_uwap"          field_ref="vitu"> vitu*vitw  </field> <!-- P2 (Pa m s-2) product_of_eastward_wind_and_omega : eastward_wind_times_omega -->
   <field id="CMIP6_v2"            field_ref="vitv"> vitv*vitv  </field> <!-- P2 (m2 s-2) square_of_northward_wind : square_of_northwardwind -->
   <field id="CMIP6_va"            field_ref="vitv"             /> <!-- P1 (m s-1) northward_wind : Northward Wind -->
   <field id="CMIP6_vas"           field_ref="v10m"             /> <!-- P1 (m s-1) northward_wind : Northward Near-Surface Wind -->
   <field id="CMIP6_vortmean"      field_ref="dummy_XY"         /> <!-- P1 (s-1) atmosphere_relative_vorticity : Mean vorticity over 850-600 hPa layer -->
   <field id="CMIP6_vqint"         field_ref="vq"               /> <!-- P1 (m2 s-1) integral_of_product_of_northward_wind_and_specific_humidity_wrt_height : Northward integrated moisture transport -->
   <field id="CMIP6_vt"            field_ref="vitv"> vitv*temp  </field> <!-- P2 (K m s-1) product_of_northward_wind_and_air_temperature : air_temperature_times_northward_wind -->
   <field id="CMIP6_vtem"          field_ref="dummy_XYA"        /> <!-- P1 (m s-1) northward_transformed_eulerian_mean_air_velocity : Transformed Eulerian Mean northward wind --> 
   <field id="CMIP6_vtendnogw"     field_ref="dv_gwd_rando">dv_gwd_rando + dv_gwd_front </field> <!-- P2 (m s-2) tendency_of_northward_wind_due_to_nonorographic_gravity_wave_drag : v-tendency nonorographic gravity wave drag -->
   <field id="CMIP6_vtendogw"      field_ref="dvoro"        /> <!-- P2 (m s-2) tendency_of_northward_wind_due_to_orographic_gravity_wave_drag : v-tendency orographic gravity wave drag -->
   <field id="CMIP6_vwap"          field_ref="vitv"> vitv*vitw  </field> <!-- P2 (Pa m s-2) product_of_northward_wind_and_omega : northward_wind_times_omega -->
   <field id="CMIP6_wap"           field_ref="vitw"             /> <!-- P1 (Pa s-1) lagrangian_tendency_of_air_pressure : commonly referred to as "omega", this represents the vertical component of velocity in pressure coordinates (positive down) -->
   <field id="CMIP6_wap2"          field_ref="vitw"> vitw*vitw  </field> <!-- P2 (Pa2 s-2) square_of_lagrangian_tendency_of_air_pressure : square_of_omega -->
   <field id="CMIP6_wbptemp"       field_ref="dummy_XYA"        /> <!-- P1 (K) wet_bulb_potential_temperature : plev_7 -->
   <field id="CMIP6_wtem"          field_ref="dummy_XYA"        /> <!-- P1 (m s-1)  : Transformed Eulerian Mean upward wind -->
   <field id="CMIP6_xgwdparam"     field_ref="east_gwstress"    /> <!-- P2 (Pa) atmosphere_eastward_stress_due_to_gravity_wave_drag : x_gravity_wave_drag_param --> 
   <field id="CMIP6_ygwdparam"     field_ref="west_gwstress"    /> <!-- P2 (Pa) atmosphere_northward_stress_due_to_gravity_wave_drag : y_gravity_wave_drag_param -->
   <field id="CMIP6_zfull"         field_ref="zfull"            /> <!-- P2 (m) height_above_reference_ellipsoid : This is actual height above mean sea level, not geopotential height -->
   <field id="CMIP6_zg"            field_ref="geoph"            /> <!-- P1 (m) geopotential_height : Geopotential height on the 1000 hPa surface -->
   <field id="CMIP6_zhalf"         field_ref="zhalf"            /> <!-- P2 (m) height_above_reference_ellipsoid : This is actual height above mean sea level, not geopotential height.  This is actual height above mean sea level, not geopotential height.  Includes both the top of the model atmosphere and surface levels. -->
   <field id="CMIP6_zmla"          field_ref="s_pblh"           /> <!-- P1 (m) atmosphere_boundary_layer_thickness : Height of Boundary Layer -->
   <field id="CMIP6_zmlwaero"      field_ref="dummy_not_provided"        /> <!-- P1 (K s-1) longwave_heating_rate_due_to_volcanic_aerosols : longwave heating rate due to volcanic aerosols to be diagnosed through double radiation call, zonal average values required -->
   <field id="CMIP6_zmswaero"      field_ref="dummy_not_provided"        /> <!-- P1 (K s-1) shortwave_heating_rate_due_to_volcanic_aerosols : shortwave heating rate due to volcanic aerosols to be diagnosed through double radiation call, zonal average values required -->
   <field id="CMIP6_zmtnt"         field_ref="dtphy"            /> <!-- P1 (K s-1) tendency_of_air_temperature_due_to_diabatic_processes : Zonal Mean Diabatic Heating Rates -->
   <field id="CMIP6_ap" field_ref="Ahyb" /><!-- Ap hybrid coordinate array for level interfaces -->
   <field id="CMIP6_ap_bnds" field_ref="Ahyb_bounds" /><!-- Ap hybrid coordinate bounds -->
   <field id="CMIP6_b" field_ref="Bhyb" /><!-- Bp hybrid coordinate array for level interfaces -->
   <field id="CMIP6_b_bnds" field_ref="Bhyb_bounds" /><!-- Bp hybrid coordinate bounds -->
   <field id="CMIP6_ahp" field_ref="Ahyb_mid" /><!-- Aps hybrid coordinate array for mid-levels -->
   <field id="CMIP6_ahp_bnds" field_ref="Ahyb_mid_bounds" /><!-- Aps hybrid coordinate bounds -->
   <field id="CMIP6_bh" field_ref="Bhyb_mid" /><!-- Bps hybrid coordinate array for mid-levels -->
   <field id="CMIP6_bh_bnds" field_ref="Bhyb_mid_bounds" /><!-- Bps hybrid coordinate bounds -->
</field_definition>
</context>
