netcdf C6_4614364_1_1047332580731056392 {
dimensions:
lat = 192 ;
nbnd = 2 ;
lon = 288 ;
time = UNLIMITED ; // (600 currently)
variables:
float chepsoa(time, lat, lon) ;
chepsoa:_FillValue = 1.e+20f ;
chepsoa:cell_measures = "area: areacella" ;
chepsoa:cell_methods = "area: time: mean" ;
chepsoa:comment = "soa1_a1_sfgaex1 + soa1_a2_sfgaex1 + soa2_a1_sfgaex1 + soa2_a2_sfgaex1 + soa3_a1_sfgaex1 + soa3_a2_sfgaex1 + soa4_a1_sfgaex1 + soa4_a2_sfgaex1 + soa5_a1_sfgaex1 + soa5_a2_sfgaex1" ;
chepsoa:coordinates = "time lat lon" ;
chepsoa:description = "If model lumps SOA emissions with POA, then the sum of POA and SOA emissions is reported as OA emissions. \"\"mass\"\" refers to the mass of primary organic matter, not mass of organic carbon alone." ;
chepsoa:frequency = "mon" ;
chepsoa:id = "chepsoa" ;
chepsoa:long_name = "Chemical Production of Dry Aerosol Secondary Organic Matter" ;
chepsoa:mipTable = "AERmon" ;
chepsoa:missing_value = 1.e+20 ;
chepsoa:out_name = "chepsoa" ;
chepsoa:prov = "AERmon ((isd.003))" ;
chepsoa:realm = "aerosol" ;
chepsoa:standard_name = "tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_particles_due_to_net_chemical_production" ;
chepsoa:time = "time" ;
chepsoa:time_label = "time-mean" ;
chepsoa:time_title = "Temporal mean" ;
chepsoa:title = "Chemical Production of Dry Aerosol Secondary Organic Matter" ;
chepsoa:type = "real" ;
chepsoa:units = "kg m-2 s-1" ;
chepsoa:variable_id = "chepsoa" ;
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 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 = "noleap" ;
double time_bnds(time, nbnd) ;
time_bnds:calendar = "noleap" ;
time_bnds:units = "days since 0001-01-01 00:00:00" ;
double lat_bnds(lat, nbnd) ;
lat_bnds:units = "degrees_north" ;
double lon_bnds(lon, nbnd) ;
lon_bnds:units = "degrees_east" ;
// global attributes:
:Conventions = "CF-1.7 CMIP-6.2" ;
:activity_id = "AerChemMIP" ;
:branch_method = "standard" ;
:branch_time_in_child = 711385. ;
:branch_time_in_parent = 711385. ;
:case_id = "1495" ;
:cesm_casename = "b.e21.BWaerchem-1950HC.f09_g17.CMIP6-hist-1950HC-WACCM.001" ;
:contact = "" ;
:creation_date = "2019-05-16T17:19:23Z" ;
:data_specs_version = "01.00.30" ;
:experiment = "Historical WMGHG concentrations and historical emissions of Near Term Climate Forcers (NTCFs), namely tropospheric aerosols and tropospheric ozone precursors, halocarbons (Ozone Depleting Substances) to be fixed at 1950 concentration levels. These simulations parallel the \"CMIP6 historical\", and differ only by fixing the anthropogenic emissions or concentrations of a specified class of species. All other forcing agents must evolve as in \"CMIP6 historical\"." ;
:experiment_id = "hist-1950HC" ;
:external_variables = "areacella" ;
:forcing_index = 1LL ;
:frequency = "mon" ;
:further_info_url = "https://furtherinfo.es-doc.org/CMIP6.NCAR.CESM2-WACCM.hist-1950HC.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_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; 70 levels; top level 4.5e-6 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; 70 levels; top level 4.5e-6 mb); aerosol: MAM4 (0.9x1.25 finite volume grid; 288 x 192 longitude/latitude; 70 levels; top level 4.5e-6 mb); atmosChem: WACCM (0.9x1.25 finite volume grid; 288 x 192 longitude/latitude; 70 levels; top level 4.5e-6 mb; landIce: CISM2.1; ocnBgchem: MARBL (320x384 longitude/latitude; 60 levels; top grid cell 0-10 m)" ;
:source_id = "CESM2-WACCM" ;
:source_type = "AOGCM BGC CHEM AER" ;
:sub_experiment = "none" ;
:sub_experiment_id = "none" ;
:table_id = "AERmon" ;
:tracking_id = "hdl:21.14100/5ee7d27f-4fa5-4418-94d4-f96a26da8190" ;
:variable_id = "chepsoa" ;
:variant_info = "CMIP6 CESM2 AerChemMIP experiment: experiment branches off from b.e21.BWHIST.f09_g17.CMIP6-historical-WACCM.00* in 1950 and has the chlorofluorocarbon and hydrochlorofluorocarbon concentrations fixed at 1950 conditions." ;
:variant_label = "r1i1p1f1" ;
:parent_experiment_id = "historical" ;
:parent_activity_id = "CMIP" ;
:parent_time_units = "days since 0001-01-01 00:00:00" ;
:parent_mip_era = "CMIP6" ;
:parent_source_id = "CESM2-WACCM" ;
}