netcdf C6CMNRCES2EHr111AEco2gn91105_1_7308100520178444339 {
dimensions:
lat = 192 ;
nbnd = 2 ;
lon = 288 ;
lev = 32 ;
time = UNLIMITED ; // (600 currently)
variables:
float co2(time, lev, lat, lon) ;
co2:_FillValue = 1.e+20f ;
co2:cell_measures = "area: areacella" ;
co2:cell_methods = "area: time: mean" ;
co2:comment = "CO2*28.966/44.0" ;
co2:coordinates = "time lev lat lon" ;
co2:description = "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y." ;
co2:frequency = "mon" ;
co2:id = "co2" ;
co2:long_name = "Mole Fraction of CO2" ;
co2:mipTable = "AERmon" ;
co2:missing_value = 1.e+20 ;
co2:out_name = "co2" ;
co2:prov = "AERmon ((isd.003))" ;
co2:realm = "aerosol" ;
co2:standard_name = "mole_fraction_of_carbon_dioxide_in_air" ;
co2:time = "time" ;
co2:time_label = "time-mean" ;
co2:time_title = "Temporal mean" ;
co2:title = "Mole Fraction of CO2" ;
co2:type = "real" ;
co2:units = "mol mol-1" ;
co2:variable_id = "co2" ;
float ps(time, lat, lon) ;
ps:long_name = "surface_air_pressure" ;
ps:units = "Pa" ;
float p0 ;
p0:long_name = "vertical coordinate formula term: reference pressure" ;
p0:units = "Pa" ;
double a(lev) ;
a:bounds = "a_bnds" ;
a:long_name = "vertical coordinate formula term: a(k)" ;
double b(lev) ;
b:bounds = "b_bnds" ;
b:long_name = "vertical coordinate formula term: b(k)" ;
double lat(lat) ;
lat:axis = "Y" ;
lat:bounds = "lat_bnds" ;
lat:standard_name = "latitude" ;
lat:title = "Latitude" ;
lat:type = "double" ;
lat:units = "degrees_north" ;
lat:valid_max = 90. ;
lat:valid_min = -90. ;
double lev(lev) ;
lev:axis = "Z" ;
lev:bounds = "lev_bnds" ;
lev:formula = "p = a*p0 + b*ps" ;
lev:formula_terms = "p0: p0 a: a b: b ps: ps" ;
lev:long_name = "hybrid sigma pressure coordinate" ;
lev:positive = "down" ;
lev:standard_name = "atmosphere_hybrid_sigma_pressure_coordinate" ;
lev:title = "atmospheric model level" ;
lev:type = "double" ;
lev:units = "1" ;
double lon(lon) ;
lon:axis = "X" ;
lon:bounds = "lon_bnds" ;
lon:standard_name = "longitude" ;
lon:title = "Longitude" ;
lon:type = "double" ;
lon:units = "degrees_east" ;
lon:valid_max = 360. ;
lon:valid_min = 0. ;
double time(time) ;
time:axis = "T" ;
time:bounds = "time_bnds" ;
time:standard_name = "time" ;
time:title = "time" ;
time:type = "double" ;
time:units = "days since 0001-01-01 00:00:00" ;
time:calendar = "365_day" ;
double time_bnds(time, nbnd) ;
time_bnds:calendar = "noleap" ;
time_bnds:units = "days since 0001-01-01 00:00:00" ;
double b_bnds(lev, nbnd) ;
b_bnds:long_name = "vertical coordinate formula term: b(k+1/2)" ;
double lat_bnds(lat, nbnd) ;
lat_bnds:units = "degrees_north" ;
double lon_bnds(lon, nbnd) ;
lon_bnds:units = "degrees_east" ;
double lev_bnds(lev, nbnd) ;
lev_bnds:formula = "p = a*p0 + b*ps" ;
lev_bnds:formula_terms = "p0: p0 a: a_bnds b: b_bnds ps: ps" ;
lev_bnds:standard_name = "atmosphere_hybrid_sigma_pressure_coordinate" ;
lev_bnds:units = "1" ;
double a_bnds(lev, nbnd) ;
a_bnds:long_name = "vertical coordinate formula term: a(k+1/2)" ;
// global attributes:
:Conventions = "CF-1.7 CMIP-6.2" ;
:activity_id = "CMIP" ;
:branch_method = "standard" ;
:branch_time_in_child = 674885. ;
:branch_time_in_parent = 18250. ;
:case_id = "1485" ;
:cesm_casename = "b.e21.BHIST_BPRP.f09_g17.CMIP6-esm-hist.001" ;
:contact = "" ;
:creation_date = "2019-10-23T15:38:24Z" ;
:data_specs_version = "01.00.31" ;
:experiment = "Simulation of recent past (1850 to 2014) with atmospheric CO2 concentration calculated. Impose changing conditions (consistent with observations). To be performed with an Earth System Model (ESM) that can calculate atmospheric CO2 concentration and account for the fluxes of CO2 between the atmosphere, the ocean, and biosphere." ;
:experiment_id = "esm-hist" ;
:external_variables = "areacella" ;
:forcing_index = 1LL ;
:frequency = "mon" ;
:further_info_url = "https://furtherinfo.es-doc.org/CMIP6.NCAR.CESM2.esm-hist.none.r1i1p1f1" ;
:grid = "native 0.9x1.25 finite volume grid (192x288 latxlon)" ;
:grid_label = "gn" ;
:initialization_index = 1LL ;
:institution = "National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, 1850 Table Mesa Drive, Boulder, CO 80305, USA" ;
:institution_id = "NCAR" ;
:license = "CMIP6 model data produced by <The National Center for Atmospheric Research> 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" ;
:model_doi_url = "https://doi.org/10.5065/D67H1H0V" ;
:nominal_resolution = "100 km" ;
:parent_activity_id = "CMIP" ;
:parent_experiment_id = "esm-piControl" ;
:parent_mip_era = "CMIP6" ;
:parent_source_id = "CESM2" ;
:parent_time_units = "days since 0001-01-01 00:00:00" ;
:parent_variant_label = "r1i1p1f1" ;
:physics_index = 1LL ;
:product = "model-output" ;
:realization_index = 1LL ;
:realm = "aerosol" ;
:source = "CESM2 (2017): atmosphere: CAM6 (0.9x1.25 finite volume grid; 288 x 192 longitude/latitude; 32 levels; top level 2.25 mb); ocean: POP2 (320x384 longitude/latitude; 60 levels; top grid cell 0-10 m); sea_ice: CICE5.1 (same grid as ocean); land: CLM5 0.9x1.25 finite volume grid; 288 x 192 longitude/latitude; 32 levels; top level 2.25 mb); aerosol: MAM4 (0.9x1.25 finite volume grid; 288 x 192 longitude/latitude; 32 levels; top level 2.25 mb); atmoschem: MAM4 (0.9x1.25 finite volume grid; 288 x 192 longitude/latitude; 32 levels; top level 2.25 mb); landIce: CISM2.1; ocnBgchem: MARBL (320x384 longitude/latitude; 60 levels; top grid cell 0-10 m)" ;
:source_id = "CESM2" ;
:source_type = "AOGCM BGC AER" ;
:sub_experiment = "none" ;
:sub_experiment_id = "none" ;
:table_id = "AERmon" ;
:tracking_id = "hdl:21.14100/0830eb90-6014-4c9b-9497-b5acb1d73b58" ;
:variable_id = "co2" ;
:variant_info = "CMIP6 CESM2 esm-hist experiment (20th century, 1850-2014), with CAM6, interactive land (CLM5), coupled ocean (POP2) with biogeochemistry (MARBL), interactive sea ice (CICE5.1), non-evolving land ice (CISM2.1), and CO2 concentration calculated" ;
:variant_label = "r1i1p1f1" ;
}