netcdf IPILx2MERsconcb111v111017_1_3893780828788690363 {
dimensions:
time = UNLIMITED ; // (3012 currently)
lev = 1 ;
lat = 96 ;
lon = 96 ;
bnds = 2 ;
variables:
double time(time) ;
time:bounds = "time_bnds" ;
time:units = "days since 1850-01-01 00:00:00" ;
time:calendar = "noleap" ;
time:axis = "T" ;
time:long_name = "time" ;
time:standard_name = "time" ;
double time_bnds(time, bnds) ;
double lev(lev) ;
lev:bounds = "lev_bnds" ;
lev:units = "1" ;
lev:axis = "Z" ;
lev:positive = "down" ;
lev:long_name = "hybrid sigma pressure coordinate" ;
lev:standard_name = "atmosphere_hybrid_sigma_pressure_coordinate" ;
lev:formula = "p = ap + b*ps" ;
lev:formula_terms = "ap: ap b: b ps: ps" ;
double lev_bnds(lev, bnds) ;
lev_bnds:formula = "p = ap + b*ps" ;
lev_bnds:standard_name = "atmosphere_hybrid_sigma_pressure_coordinate" ;
lev_bnds:units = "1" ;
lev_bnds:formula_terms = "ap: ap_bnds b: b_bnds ps: ps" ;
double ap(lev) ;
ap:long_name = "vertical coordinate formula term: ap(k)" ;
ap:units = "Pa" ;
double b(lev) ;
b:long_name = "vertical coordinate formula term: b(k)" ;
float ps(time, lat, lon) ;
ps:standard_name = "surface_air_pressure" ;
ps:long_name = "Surface Air Pressure" ;
ps:comment = "not, in general, the same as mean sea-level pressure" ;
ps:units = "Pa" ;
ps:cell_methods = "time: mean" ;
double ap_bnds(lev, bnds) ;
ap_bnds:long_name = "vertical coordinate formula term: ap(k+1/2)" ;
ap_bnds:units = "Pa" ;
double b_bnds(lev, bnds) ;
b_bnds:long_name = "vertical coordinate formula term: b(k+1/2)" ;
double lat(lat) ;
lat:bounds = "lat_bnds" ;
lat:units = "degrees_north" ;
lat:axis = "Y" ;
lat:long_name = "latitude" ;
lat:standard_name = "latitude" ;
double lat_bnds(lat, bnds) ;
double lon(lon) ;
lon:bounds = "lon_bnds" ;
lon:units = "degrees_east" ;
lon:axis = "X" ;
lon:long_name = "longitude" ;
lon:standard_name = "longitude" ;
double lon_bnds(lon, bnds) ;
float sconcbc(time, lev, lat, lon) ;
sconcbc:standard_name = "mass_concentration_of_black_carbon_dry_aerosol_in_air" ;
sconcbc:long_name = "Surface Concentration of Black Carbon Aerosol" ;
sconcbc:comment = "mass concentration of black carbon dry aerosol in air in model lowest layer" ;
sconcbc:units = "kg m-3" ;
sconcbc:original_name = "sconcbc" ;
sconcbc:original_units = "kg/m3" ;
sconcbc:history = "2011-08-17T21:20:17Z altered by CMOR: Converted units from \'kg/m3\' to \'kg m-3\'. 2011-08-17T21:20:17Z altered by CMOR: replaced missing value flag (9.96921e+36) with standard missing value (1e+20). 2011-08-17T21:20:18Z altered by CMOR: Inverted axis: lat." ;
sconcbc:cell_methods = "time: mean (interval: 30 minutes)" ;
sconcbc:cell_measures = "area: areacella" ;
sconcbc:missing_value = 1.e+20f ;
sconcbc:_FillValue = 1.e+20f ;
sconcbc:associated_files = "baseURL: http://cmip-pcmdi.llnl.gov/CMIP5/dataLocation gridspecFile: gridspec_aerosol_fx_IPSL-CM5A-LR_esmFixClim2_r0i0p0.nc areacella: areacella_fx_IPSL-CM5A-LR_esmFixClim2_r0i0p0.nc" ;
// global attributes:
:institution = "IPSL (Institut Pierre Simon Laplace, Paris, France)" ;
:institute_id = "IPSL" ;
:experiment_id = "esmFixClim2" ;
:source = "IPSL-CM5A-LR (2010) : atmos : LMDZ4 (LMDZ4_v5, 96x95x39); ocean : ORCA2 (NEMOV2_3, 2x2L31); seaIce : LIM2 (NEMOV2_3); ocnBgchem : PISCES (NEMOV2_3); land : ORCHIDEE (orchidee_1_9_4_AR5)" ;
:model_id = "IPSL-CM5A-LR" ;
:forcing = "Nat,Ant,GHG,SA,Oz,LU,SS,Ds,BC,MD,OC,AA" ;
:parent_experiment_id = "piControl" ;
:parent_experiment_rip = "r1i1p1" ;
:branch_time = 1850. ;
:contact = "ipsl-cmip5 _at_ ipsl.jussieu.fr Data manager : Sebastien Denvil" ;
:comment = "This simulation spin off from the control (expt. 3.1) at the same point as expt. 3.2 and impose conditions identical to those prescribed in expt. 3.2 (for the historical period) and expt. 4.1 (RCP4.5 for the future), but the radiation code is fed the time-invariant CO2 concentration from the control. The radiation code \"sees\" all other prescribed conditions evolve as in expts. 3.2 and 4.1. There will be some climate change in this case due the variations in, for example, aerosol forcing, solar variability, and land use change." ;
:references = "Model documentation and further reference available here : http://icmc.ipsl.fr" ;
:initialization_method = 1 ;
:physics_version = 1 ;
:tracking_id = "b71a5bfb-0af0-4115-b882-03a0d189c44e" ;
:product = "output" ;
:experiment = "ESM fixed climate 2" ;
:frequency = "mon" ;
:creation_date = "2011-08-17T21:20:18Z" ;
:history = "2011-08-17T21:20:18Z CMOR rewrote data to comply with CF standards and CMIP5 requirements." ;
:Conventions = "CF-1.4" ;
:project_id = "CMIP5" ;
:table_id = "Table aero (31 January 2011) 5ccd9f8dcb6eecb7eb87cd2da96d71b1" ;
:title = "IPSL-CM5A-LR model output prepared for CMIP5 ESM fixed climate 2" ;
:parent_experiment = "pre-industrial control" ;
:modeling_realm = "aerosol" ;
:realization = 1 ;
:cmor_version = "2.7.1" ;
}