netcdf C6_4630592_1_5056639243787883853 {
dimensions:
lat = 192 ;
nbnd = 2 ;
lon = 288 ;
time = UNLIMITED ; // (360 currently)
variables:
float abs550aer(time, lat, lon) ;
abs550aer:_FillValue = 1.e+20f ;
abs550aer:cell_measures = "area: areacella" ;
abs550aer:cell_methods = "area: time: mean" ;
abs550aer:comment = "AODABSdn" ;
abs550aer:coordinates = "time lat lon" ;
abs550aer:description = "Optical thickness of atmospheric aerosols at wavelength 550 nanometers." ;
abs550aer:frequency = "mon" ;
abs550aer:id = "abs550aer" ;
abs550aer:long_name = "Ambient Aerosol Absorption Optical Thickness at 550nm" ;
abs550aer:mipTable = "AERmon" ;
abs550aer:missing_value = 1.e+20 ;
abs550aer:out_name = "abs550aer" ;
abs550aer:prov = "AERmon ((isd.003))" ;
abs550aer:realm = "aerosol" ;
abs550aer:standard_name = "atmosphere_absorption_optical_thickness_due_to_ambient_aerosol_particles" ;
abs550aer:time = "time" ;
abs550aer:time_label = "time-mean" ;
abs550aer:time_title = "Temporal mean" ;
abs550aer:title = "Ambient Aerosol Absorption Optical Thickness at 550nm" ;
abs550aer:type = "real" ;
abs550aer:units = "1" ;
abs550aer:variable_id = "abs550aer" ;
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 = "RFMIP" ;
:branch_method = "standard" ;
:branch_time_in_child = 0. ;
:branch_time_in_parent = 182500. ;
:case_id = "1528" ;
:cesm_casename = "f.e21.F1850_BGC.f09_f09_mg17.CMIP6-RFMIP-ERF-4xco2.001" ;
:contact = "" ;
:creation_date = "2019-05-22T20:38:48Z" ;
:data_specs_version = "01.00.30" ;
:experiment = "An uncoupled (atmosphere and land) experiment with interactive vegetation in which sea surface temperatures (SST) and sea ice concentrations (SIC) are fixed at model-specific pre-industrial control climatology. Carbon Dioxide concentrations set to 4 times Pre-Industrial values, other forcing agents are specified at pre-industrial values. Run for 30 years." ;
:experiment_id = "piClim-4xCO2" ;
:external_variables = "areacella" ;
:forcing_index = 1LL ;
:frequency = "mon" ;
:further_info_url = "https://furtherinfo.es-doc.org/CMIP6.NCAR.CESM2.piClim-4xCO2.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 = "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 = "AGCM AER" ;
:sub_experiment = "none" ;
:sub_experiment_id = "none" ;
:table_id = "AERmon" ;
:tracking_id = "hdl:21.14100/332b79b6-af50-4b44-b5bc-77aa41b53067" ;
:variable_id = "abs550aer" ;
:variant_info = "f.e21.F1850_BGC.f09_f09_mg17.CMIP6-RFMIP-ERF-4xco2.001: Quantify model-specific effective radiative forcing (ERF) of 4xCO2" ;
:variant_label = "r1i1p1f1" ;
}