netcdf C6_5268169_1_18031871710978687734 {
dimensions:
time = UNLIMITED ; // (1200 currently)
lev = 49 ;
lat = 180 ;
lon = 288 ;
bnds = 2 ;
variables:
float aoanh(time, lev, lat, lon) ;
aoanh:long_name = "Tracer age of air Northern Hemisphere" ;
aoanh:units = "yr" ;
aoanh:missing_value = 1.e+20f ;
aoanh:_FillValue = 1.e+20f ;
aoanh:cell_methods = "area: time: mean" ;
aoanh:cell_measures = "area: areacella" ;
aoanh:standard_name = "tracer_lifetime" ;
aoanh:interp_method = "conserve_order1" ;
aoanh:original_name = "aoanh" ;
double ap(lev) ;
ap:long_name = "vertical coordinate formula term: ap(k)" ;
ap:units = "Pa" ;
ap:missing_value = 1.e+20 ;
ap:_FillValue = 1.e+20 ;
ap:cell_methods = "time: point" ;
double ap_bnds(lev, bnds) ;
ap_bnds:long_name = "vertical coordinate formula term: ap(k+1/2)" ;
ap_bnds:units = "Pa" ;
ap_bnds:missing_value = 1.e+20 ;
ap_bnds:_FillValue = 1.e+20 ;
ap_bnds:cell_methods = "time: point" ;
double b(lev) ;
b:long_name = "vertical coordinate formula term: b(k)" ;
b:units = "1.0" ;
b:missing_value = 1.e+20 ;
b:_FillValue = 1.e+20 ;
b:cell_methods = "time: point" ;
double b_bnds(lev, bnds) ;
b_bnds:long_name = "vertical coordinate formula term: b(k+1/2)" ;
b_bnds:units = "1.0" ;
b_bnds:missing_value = 1.e+20 ;
b_bnds:_FillValue = 1.e+20 ;
b_bnds:cell_methods = "time: point" ;
double bnds(bnds) ;
bnds:long_name = "vertex number" ;
double lat(lat) ;
lat:long_name = "latitude" ;
lat:units = "degrees_north" ;
lat:axis = "Y" ;
lat:bounds = "lat_bnds" ;
lat:standard_name = "latitude" ;
lat:cell_methods = "time: point" ;
double lat_bnds(lat, bnds) ;
lat_bnds:long_name = "latitude bounds" ;
lat_bnds:units = "degrees_north" ;
lat_bnds:axis = "Y" ;
double lev(lev) ;
lev:long_name = "atmospheric model level" ;
lev:units = "1.0" ;
lev:axis = "Z" ;
lev:positive = "down" ;
lev:formula = "p(n,k,j,i) = ap(k) + b(k)*ps(n,j,i)" ;
lev:bounds = "lev_bnds" ;
lev:standard_name = "atmosphere_hybrid_sigma_pressure_coordinate" ;
lev:description = "Generic atmospheric model vertical coordinate (nondimensional or dimensional) [use CF standard name apporpriate for model vertical coordinate, e.g. model_level_number or atmosphere_sigma_coordinate]" ;
lev:formula_term = "ap: ap b: b ps: ps" ;
double lev_bnds(lev, bnds) ;
lev_bnds:long_name = "atmospheric model level bounds" ;
lev_bnds:units = "1.0" ;
lev_bnds:missing_value = 1.e+20 ;
lev_bnds:_FillValue = 1.e+20 ;
lev_bnds:cell_methods = "time: point" ;
lev_bnds:formula = "p(n,k+1/2,j,i) = ap(k+1/2) + b(k+1/2)*ps(n,j,i)" ;
lev_bnds:formula_terms = "ap: ap_bnds b: b_bnds ps: ps" ;
lev_bnds:standard_name = "atmosphere_hybrid_sigma_pressure_coordinate" ;
lev_bnds:axis = "Z" ;
lev_bnds:positive = "down" ;
double lon(lon) ;
lon:long_name = "longitude" ;
lon:units = "degrees_east" ;
lon:axis = "X" ;
lon:bounds = "lon_bnds" ;
lon:standard_name = "longitude" ;
lon:cell_methods = "time: point" ;
double lon_bnds(lon, bnds) ;
lon_bnds:long_name = "longitude bounds" ;
lon_bnds:units = "degrees_east" ;
lon_bnds:axis = "X" ;
double time(time) ;
time:long_name = "time" ;
time:units = "days since 1850-01-01 00:00:00" ;
time:axis = "T" ;
time:calendar_type = "julian" ;
time:calendar = "julian" ;
time:bounds = "time_bnds" ;
time:standard_name = "time" ;
time:description = "Temporal mean" ;
double time_bnds(time, bnds) ;
time_bnds:long_name = "time axis boundaries" ;
time_bnds:units = "days since 1850-01-01 00:00:00" ;
// global attributes:
:external_variables = "areacella" ;
:history = "File was processed by fremetar (GFDL analog of CMOR). TripleID: [exper_id_5GiZ6bskZk,realiz_id_uh0LsuyBN5,run_id_JG4diKgJJt]" ;
:table_id = "AERmon" ;
:activity_id = "AerChemMIP" ;
:branch_method = "atmospheric and land state taken from parent experiment" ;
:branch_time_in_child = 0. ;
:branch_time_in_parent = 36500. ;
:comment = "<null ref>" ;
:contact = " gfdl.climate.model.info@
nullnoaa.gov
:Conventions = "CF-1.7 CMIP-6.0 UGRID-1.0" ;
:creation_date = "2019-08-30T13:09:32Z" ;
:data_specs_version = "01.00.27" ;
:experiment = "historical SSTs and historical forcing, but with pre-industrial ozone precursor emissions" ;
:experiment_id = "histSST-piO3" ;
:forcing_index = 1 ;
:frequency = "mon" ;
:further_info_url = "https://furtherinfo.es-doc.org/CMIP6.NOAA-GFDL.GFDL-ESM4.histSST-piO3.none.r1i1p1f1" ;
:grid = "atmos data regridded from Cubed-sphere (c96) to 180,288; interpolation method: conserve_order1" ;
:grid_label = "gr1" ;
:initialization_index = 1 ;
:institution = "National Oceanic and Atmospheric Administration, Geophysical Fluid Dynamics Laboratory, Princeton, NJ 08540, USA" ;
:institution_id = "NOAA-GFDL" ;
:license = "CMIP6 model data produced by NOAA-GFDL is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (https://creativecommons.org/licenses/). Consult https://pcmdi.llnl.gov/CMIP6/TermsOfUse for terms of use governing CMIP6 output, including citation requirements and proper acknowledgment. Further information about this data, including some limitations, can be found via the further_info_url (recorded as a global attribute in this file). The data producers and data providers make no warranty, either express or implied, including, but not limited to, warranties of merchantability and fitness for a particular purpose. All liabilities arising from the supply of the information (including any liability arising in negligence) are excluded to the fullest extent permitted by law." ;
:mip_era = "CMIP6" ;
:nominal_resolution = "100 km" ;
:parent_activity_id = "CMIP" ;
:parent_experiment_id = "piControl" ;
:parent_mip_era = "CMIP6" ;
:parent_source_id = "GFDL-ESM4" ;
:parent_time_units = "days since 0001-1-1" ;
:parent_variant_label = "r1i1p1f1" ;
:physics_index = 1 ;
:product = "model-output" ;
:realization_index = 1 ;
:realm = "aerosol" ;
:source = "GFDL-ESM4 (2018):\n",
"atmos: GFDL-AM4.1 (Cubed-sphere (c96) - 1 degree nominal horizontal resolution; 360 x 180 longitude/latitude; 49 levels; top level 1 Pa)\n",
"ocean: GFDL-OM4p5 (GFDL-MOM6, tripolar - nominal 0.5 deg; 720 x 576 longitude/latitude; 75 levels; top grid cell 0-2 m)\n",
"seaIce: GFDL-SIM4p5 (GFDL-SIS2.0, tripolar - nominal 0.5 deg; 720 x 576 longitude/latitude; 5 layers; 5 thickness categories)\n",
"land: GFDL-LM4.1\n",
"aerosol: interactive\n",
"atmosChem: GFDL-ATMCHEM4.1 (full atmospheric chemistry)\n",
"ocnBgchem: GFDL-COBALTv2\n",
"landIce: GFDL-LM4.1\n",
"(GFDL ID: 2019_0403)" ;
:source_id = "GFDL-ESM4" ;
:source_type = "AGCM AER CHEM BGC" ;
:sub_experiment = "none" ;
:sub_experiment_id = "none" ;
:title = "NOAA GFDL GFDL-ESM4 model output prepared for CMIP6 historical SSTs and historical forcing, but with pre-industrial ozone precursor emissions" ;
:tracking_id = "hdl:21.14100/d3e96809-84fd-4d99-8762-30d4c5ff5417" ;
:variable_id = "aoanh" ;
:variant_info = "N/A" ;
:references = "see further_info_url attribute" ;
:variant_label = "r1i1p1f1" ;
}