| Abs550aer - Ambient Aerosol Absorption Optical Thickness at 550nm | 2 |
| Airmass - Vertically Integrated Mass Content of Air in Layer | 1 |
| Albdiffbnd - Diffuse Surface Albedo for Each Band | 15 |
| Areacella - Grid-Cell Area for Atmospheric Grid Variables | 5 |
| Areacello - Grid-Cell Area for Ocean Variables | 3 |
| C4PftFrac - Percentage Cover by C4 Plant Functional Type | 13 |
| Ccb - Air Pressure at Convective Cloud Base | 2 |
| Cct - Air Pressure at Convective Cloud Top | 2 |
| Ch4 - Mole Fraction of CH4 | 1 |
| Chl - Mass Concentration of Total Phytoplankton Expressed as Chlorophyll in Sea Water | 1 |
| CLand - Total Carbon in All Terrestrial Carbon Pools | 1 |
| Clcalipso - CALIPSO Percentage Cloud Cover | 1 |
| Clc - Convective Cloud Area Percentage | 3 |
| Clic - Mass Fraction of Convective Cloud Ice | 2 |
| Cli - Mass Fraction of Cloud Ice | 4 |
| Clisccp - ISCCP Cloud Area Percentage | 18 |
| Clis - Mass Fraction of Stratiform Cloud Ice | 2 |
| CLitter - Carbon Mass in Litter Pool | 14 |
| Clivi - Ice Water Path | 16 |
| Cl - Percentage Cloud Cover | 23 |
| Cls - Percentage Cover of Stratiform Cloud | 3 |
| Cltc - Convective Cloud Cover Percentage | 4 |
| Clt - Total Cloud Cover Percentage | 46 |
| Clwc - Mass Fraction of Convective Cloud Liquid Water | 2 |
| Clw - Mass Fraction of Cloud Liquid Water | 5 |
| Clws - Mass Fraction of Stratiform Cloud Liquid Water | 2 |
| Clwvi - Condensed Water Path | 17 |
| Co2mass - Total Atmospheric Mass of CO2 | 1 |
| Co2 - Mole Fraction of CO2 | 1 |
| CProduct - Carbon Mass in Products of Land-Use Change | 1 |
| CSoil - Carbon Mass in Model Soil Pool | 20 |
| CSoilFast - Carbon Mass in Fast Soil Pool | 1 |
| CSoilMedium - Carbon Mass in Medium Soil Pool | 1 |
| CSoilSlow - Carbon Mass in Slow Soil Pool | 1 |
| CVeg - Carbon Mass in Vegetation | 15 |
| Deptho - Sea Floor Depth Below Geoid | 3 |
| Dissic - Dissolved Inorganic Carbon Concentration | 1 |
| Drybc - Dry Deposition Rate of Black Carbon Aerosol Mass | 1 |
| Drydust - Dry Deposition Rate of Dust | 1 |
| Drynh3 - Dry Deposition Rate of NH3 | 1 |
| Drynh4 - Dry Deposition Rate of NH4 | 1 |
| Drynoy - Dry Deposition Rate of NOy | 1 |
| Dryoa - Dry Deposition Rate of Dry Aerosol Total Organic Matter | 1 |
| Dryso2 - Dry Deposition Rate of SO2 | 1 |
| Dryso4 - Dry Deposition Rate of SO4 | 1 |
| Dryss - Dry Deposition Rate of Sea-Salt Aerosol | 1 |
| Edt - Eddy Diffusivity Coefficient for Temperature | 2 |
| Emiaco - Total Emission Rate of Anthropogenic CO | 1 |
| Emianox - Total Emission Rate of Anthropogenic NOx | 1 |
| Emiaoa - Total Emission Rate of Anthropogenic Organic Aerosol | 1 |
| Emibc - Total Emission Rate of Black Carbon Aerosol Mass | 1 |
| Emibvoc - Total Emission Rate of Biogenic NMVOC | 1 |
| Emico - Total Emission Rate of CO | 1 |
| Emidms - Total Emission Rate of DMS | 1 |
| Emidust - Total Emission Rate of Dust | 1 |
| Emiisop - Total Emission Rate of Isoprene | 1 |
| Emilnox - Layer-Integrated Lightning Production of NOx | 1 |
| Eminh3 - Total Emission Rate of NH3 | 1 |
| Eminox - Total Emission Rate of NOx | 1 |
| Emioa - Primary Emission and Chemical Production of Dry Aerosol Organic Matter | 1 |
| Emiso2 - Total Emission Rate of SO2 | 1 |
| Emiso4 - Total Direct Emission Rate of SO4 | 1 |
| Emiss - Total Emission Rate of Sea-Salt Aerosol | 1 |
| Emivoc - Total Emission Rate of NMVOC | 1 |
| Epfy - Northward Component of the Eliassen-Palm Flux | 1 |
| Evspsbl - Evaporation Including Sublimation and Transpiration | 3 |
| Evspsblsoi - Water Evaporation from Soil | 5 |
| Evspsblveg - Evaporation from Canopy | 7 |
| Evs - Water Evaporation Flux Where Ice Free Ocean over Sea | 34 |
| Evu - Eddy Viscosity Coefficient for Momentum | 2 |
| Fgco2 - Surface Downward Mass Flux of Carbon as CO2 [kgC m-2 s-1] | 2 |
| FLuc - Net Carbon Mass Flux into Atmosphere Due to Land-Use Change [kgC m-2 s-1] | 1 |
| FVegLitter - Total Carbon Mass Flux from Vegetation to Litter | 3 |
| Gpp - Carbon Mass Flux out of Atmosphere Due to Gross Primary Production on Land [kgC m-2 s-1] | 10 |
| H2o - Mass Fraction of Water | 4 |
| Hfbasin - Northward Ocean Heat Transport | 12 |
| Hfbasinpmdiff - Northward Ocean Heat Transport Due to Parameterized Mesoscale Diffusion | 3 |
| Hfcorr - Heat Flux Correction | 2 |
| Hfds - Downward Heat Flux at Sea Water Surface | 12 |
| Hfgeou - Upward Geothermal Heat Flux at Sea Floor | 1 |
| Hfls - Surface Upward Latent Heat Flux | 1 |
| Hfss - Surface Upward Sensible Heat Flux | 2 |
| Htovgyre - Northward Ocean Heat Transport Due to Gyre | 3 |
| Htovovrt - Northward Ocean Heat Transport Due to Overturning | 5 |
| Hur - Relative Humidity | 51 |
| Hurs - Near-Surface Relative Humidity | 5 |
| Huss - Near-Surface Specific Humidity | 4 |
| Hus - Specific Humidity | 91 |
| Lai - Leaf Area Index | 9 |
| Lossch4 - Monthly Loss of Atmospheric Methane | 1 |
| Lwsnl - Liquid Water Content of Snow Layer | 2 |
| Masso - Sea Water Mass | 1 |
| Mc - Convective Mass Flux | 4 |
| Mlotst - Ocean Mixed Layer Thickness Defined by Sigma T | 14 |
| Mmrbc - Elemental Carbon Mass Mixing Ratio | 1 |
| Mmrnh4 - NH4 Mass Mixing Ratio | 1 |
| Mmrno3 - NO3 Aerosol Mass Mixing Ratio | 1 |
| Mmroa - Total Organic Aerosol Mass Mixing Ratio | 1 |
| Mmrso4 - Aerosol Sulfate Mass Mixing Ratio | 4 |
| Mmrsoa - Secondary Organic Aerosol Mass Mixing Ratio | 1 |
| Mmrss - Sea-Salt Aerosol Mass Mixing Ratio | 1 |
| Mrfso - Soil Frozen Water Content | 3 |
| Mrros - Surface Runoff | 10 |
| Mrro - Total Runoff | 15 |
| Mrsofc - Capacity of Soil to Store Water (Field Capacity) | 3 |
| Mrsol - Total Water Content of Soil Layer | 1 |
| Mrsos - Moisture in Upper Portion of Soil Column | 10 |
| Mrso - Total Soil Moisture Content | 21 |
| Msftyz - Ocean Y Overturning Mass Streamfunction | 1 |
| Nbp - Carbon Mass Flux out of Atmosphere Due to Net Biospheric Production on Land [kgC m-2 s-1] | 2 |
| Nep - Net Carbon Mass Flux out of Atmosphere Due to Net Ecosystem Productivity on Land [kgC m-2 s-1] | 1 |
| Npp - Net Primary Production on Land as Carbon Mass Flux [kgC m-2 s-1] | 16 |
| NppWood - Net Primary Production Allocated to Wood as Carbon Mass Flux [kgC m-2 s-1] | 1 |
| O2 - Dissolved Oxygen Concentration | 1 |
| O3 - Mole Fraction of O3 | 3 |
| Od550aer - Ambient Aerosol Optical Thickness at 550nm | 4 |
| Od550bc - Black Carbon Optical Thickness at 550nm | 1 |
| Od550oa - Total Organic Aerosol Optical Depth at 550nm | 1 |
| Od550so4 - Sulfate Aerosol Optical Depth at 550nm | 1 |
| Omldamax - Mean Daily Maximum Ocean Mixed Layer Thickness Defined by Mixing Scheme | 12 |
| Opottempmint - Integral with Respect to Depth of Product of Sea Water Density and Potential Temperature | 11 |
| Orog - Surface Altitude | 10 |
| Pctisccp - ISCCP Mean Cloud Top Pressure | 2 |
| Phalf - Pressure on Model Half-Levels | 62 |
| Ph - pH | 1 |
| Pppico - Net Primary Mole Productivity of Carbon by Picophytoplankton | 1 |
| Prc - Convective Precipitation | 15 |
| Prcprof - Convective Rainfall Flux | 6 |
| Prlsns - Stratiform Snowfall Flux | 3 |
| Prlsprof - Stratiform Rainfall Flux | 6 |
| Pr - Precipitation | 374 |
| Prsnc - Convective Snowfall Flux | 2 |
| Prsn - Snowfall Flux | 18 |
| Prw - Water Vapor Path | 35 |
| Psl - Sea Level Pressure | 122 |
| Ps - Surface Air Pressure | 72 |
| Ra - Carbon Mass Flux into Atmosphere Due to Autotrophic (Plant) Respiration on Land [kgC m-2 s-1] | 7 |
| Reffsclwtop - Cloud-Top Effective Droplet Radius in Stratiform Cloud | 1 |
| Rh - Total Heterotrophic Respiration on Land as Carbon Mass Flux [kgC m-2 s-1] | 9 |
| Rldcs - Downwelling Clear-Sky Longwave Radiation | 1 |
| Rld - Downwelling Longwave Radiation | 15 |
| Rldscs - Surface Downwelling Clear-Sky Longwave Radiation | 24 |
| Rlds - Surface Downwelling Longwave Radiation | 55 |
| Rlucs - Upwelling Clear-Sky Longwave Radiation | 1 |
| Rlus - Surface Upwelling Longwave Radiation | 31 |
| Rlutaf - TOA Outgoing Aerosol-Free Longwave Radiation | 1 |
| Rlutcsaf - TOA Outgoing Clear-Sky, Aerosol-Free Longwave Radiation | 1 |
| Rlutcs - TOA Outgoing Clear-Sky Longwave Radiation | 35 |
| Rlut - TOA Outgoing Longwave Radiation | 69 |
| Rlu - Upwelling Longwave Radiation | 6 |
| Rootd - Maximum Root Depth | 2 |
| Rsdcsaf - Downwelling Clear-Sky, Aerosol-Free Shortwave Radiation | 1 |
| Rsdcs - Downwelling Clear-Sky Shortwave Radiation | 1 |
| Rsd - Downwelling Shortwave Radiation | 18 |
| Rsdscs - Surface Downwelling Clear-Sky Shortwave Radiation | 29 |
| Rsds - Surface Downwelling Shortwave Radiation | 59 |
| Rsdt - TOA Incident Shortwave Radiation | 50 |
| Rsucsaf - Upwelling Clear-Sky, Aerosol-Free Shortwave Radiation | 1 |
| Rsucs - Upwelling Clear-Sky Shortwave Radiation | 1 |
| Rsuscs - Surface Upwelling Clear-Sky Shortwave Radiation | 27 |
| Rsus - Surface Upwelling Shortwave Radiation | 42 |
| Rsutaf - TOA Outgoing Aerosol-Free Shortwave Radiation | 1 |
| Rsutcsaf - TOA Outgoing Clear-Sky, Aerosol-Free Shortwave Radiation | 1 |
| Rsutcs - TOA Outgoing Clear-Sky Shortwave Radiation | 38 |
| Rsut - TOA Outgoing Shortwave Radiation | 64 |
| Rsu - Upwelling Shortwave Radiation | 6 |
| Rtmt - Net Downward Radiative Flux at Top of Model | 18 |
| Sbl - Surface Snow and Ice Sublimation Flux | 2 |
| SfcWindmax - Daily Maximum Near-Surface Wind Speed | 75 |
| SfcWind - Near-Surface Wind Speed | 3 |
| Sfdsi - Downward Sea Ice Basal Salt Flux | 3 |
| Sftgif - Land Ice Area Percentage | 9 |
| Sftlf - Percentage of the Grid Cell Occupied by Land (Including Lakes) | 36 |
| Sftof - Sea Area Percentage | 17 |
| Siarean - Sea-Ice Area North | 1 |
| Siconca - Sea-Ice Area Percentage (Atmospheric Grid) | 3 |
| Siconc - Sea-Ice Area Percentage (Ocean Grid) | 77 |
| Sic - Sea Ice Area Fraction | 3 |
| Sidmasstranx - X-Component of Sea-Ice Mass Transport | 4 |
| Siextentn - Sea-Ice Extent North | 1 |
| Siitdthick - Sea-Ice Thickness in Thickness Categories | 1 |
| Sitemptop - Surface Temperature of Sea Ice | 3 |
| Sithick - Sea Ice Thickness | 26 |
| Sit - Sea Ice Thickness | 1 |
| Siu - X-Component of Sea-Ice Velocity | 5 |
| Sivol - Sea-Ice Volume per Area | 3 |
| Siv - Y-Component of Sea-Ice Velocity | 5 |
| Snc - Snow Area Percentage | 12 |
| Snd - Snow Depth | 6 |
| Snm - Surface Snow Melt | 3 |
| Snw - Surface Snow Amount | 13 |
| Soga - Global Mean Sea Water Salinity | 41 |
| So - Sea Water Salinity | 3 |
| Sos - Sea Surface Salinity | 25 |
| Spco2 - Surface Aqueous Partial Pressure of CO2 | 7 |
| Ta - Air Temperature | 10 |
| Talk - Total Alkalinity | 1 |
| Tasmax - Daily Maximum Near-Surface Air Temperature | 6 |
| Tasmin - Daily Minimum Near-Surface Air Temperature | 4 |
| Tas - Near-Surface Air Temperature | 36 |
| Tauuo - Sea Water Surface Downward X Stress | 12 |
| Tauu - Surface Downward Eastward Wind Stress | 17 |
| Tauvo - Sea Water Surface Downward Y Stress | 10 |
| Tauv - Surface Downward Northward Wind Stress | 14 |
| Thetaoga - Global Average Sea Water Potential Temperature | 69 |
| Thetao - Sea Water Potential Temperature | 6 |
| Tnhusa - Tendency of Specific Humidity Due to Advection | 2 |
| Tnhusc - Tendency of Specific Humidity Due to Convection | 3 |
| Tnhusd - Tendency of Specific Humidity Due to Numerical Diffusion | 2 |
| Tnhusmp - Tendency of Specific Humidity Due to Model Physics | 2 |
| Tnhus - Tendency of Specific Humidity | 4 |
| Tnta - Tendency of Air Temperature Due to Advection | 3 |
| Tntr - Tendency of Air Temperature Due to Radiative Heating | 4 |
| Tnt - Tendency of Air Temperature | 10 |
| Tos - Sea Surface Temperature | 10 |
| Toz - Total Column Ozone | 7 |
| Tran - Transpiration | 6 |
| Tslsi - Surface Temperature Where Land or Sea Ice | 228 |
| Tsl - Temperature of Soil | 12 |
| Ts - Surface Temperature | 8 |
| Ua - Eastward Wind | 14 |
| Uas - Eastward Near-Surface Wind | 4 |
| Va - Northward Wind | 10 |
| Vas - Northward Near-Surface Wind | 3 |
| Volcello - Ocean Grid-Cell Volume | 7 |
| Volo - Sea Water Volume | 1 |
| Wap - Omega (=dp/dt) | 6 |
| Wfcorr - Water Flux Correction | 3 |
| Wfo - Water Flux into Sea Water | 1 |
| Zg500 - Geopotential Height at 500hPa | 1 |
| Zg - Geopotential Height | 97 |
| Zos - Sea Surface Height Above Geoid | 3 |
| Zostoga - Global Average Thermosteric Sea Level Change | 7 |
| Zvelsurf - Upward Component of Land-Ice Surface Velocity | 1 |