netcdf C6_4676066_1_13654875641884265296 {
dimensions:
time = UNLIMITED ; // (10800 currently)
bnds = 2 ;
lat = 144 ;
lon = 192 ;
variables:
double time(time) ;
time:bounds = "time_bnds" ;
time:units = "days since 1850-01-01" ;
time:calendar = "360_day" ;
time:axis = "T" ;
time:long_name = "time" ;
time:standard_name = "time" ;
double time_bnds(time, bnds) ;
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 snc(time, lat, lon) ;
snc:standard_name = "surface_snow_area_fraction" ;
snc:long_name = "Snow Area Percentage" ;
snc:comment = "mo: A threshold is applied to determine whether a tile is covered in snow or not - if a tile has more than 0.1 kg/m2 of snow it is considered as covered with snow, if less then there is no snow. This means other snow diagnostics may indicate snow but this diagnostic is zero. We have not applied a threshold to the other snow diagnostics (unless explicitly noted) to preserve mass conservation., RFMIP_table_comment: Fraction of each grid cell that is occupied by snow that rests on land portion of cell." ;
snc:units = "%" ;
snc:original_name = "mo: snc_calc((stash: m01s08i236, lbproc: 128), (stash: m01s03i317, lbproc: 128), (stash: m01s03i395, lbproc: 128))" ;
snc:cell_methods = "area: time: mean" ;
snc:cell_measures = "area: areacella" ;
snc:history = "2019-11-13T10:14:06Z altered by CMOR: replaced missing value flag (-1.07374e+09) with standard missing value (1e+20)." ;
snc:missing_value = 1.e+20f ;
snc:_FillValue = 1.e+20f ;
// global attributes:
:Conventions = "CF-1.7 CMIP-6.2" ;
:activity_id = "RFMIP" ;
:branch_method = "standard" ;
:branch_time_in_child = 0. ;
:branch_time_in_parent = 0. ;
:creation_date = "2019-11-13T10:14:06Z" ;
:cv_version = "6.2.37.5" ;
:data_specs_version = "01.00.29" ;
:experiment = "effective radiative forcing by 4xCO2" ;
:experiment_id = "piClim-4xCO2" ;
:external_variables = "areacella" ;
:forcing_index = 3 ;
:frequency = "day" ;
:further_info_url = "https://furtherinfo.es-doc.org/CMIP6.MOHC.HadGEM3-GC31-LL.piClim-4xCO2.none.r1i1p1f3" ;
:grid = "Native N96 grid; 192 x 144 longitude/latitude" ;
:grid_label = "gn" ;
:history = "2019-11-13T10:12:56Z ; CMOR rewrote data to be consistent with CMIP6, CF-1.7 CMIP-6.2 and CF standards.;\n",
"2019-11-13T10:12:51Z MIP Convert v1.2.1, Python v2.7.12, Iris v1.13.0, Numpy v1.13.3, netcdftime v1.4.1." ;
:initialization_index = 1 ;
:institution = "Met Office Hadley Centre, Fitzroy Road, Exeter, Devon, EX1 3PB, UK" ;
:institution_id = "MOHC" ;
:mip_era = "CMIP6" ;
:mo_runid = "u-bh944" ;
:nominal_resolution = "250 km" ;
:parent_activity_id = "CMIP" ;
:parent_experiment_id = "piControl" ;
:parent_mip_era = "CMIP6" ;
:parent_source_id = "HadGEM3-GC31-LL" ;
:parent_time_units = "days since 1850-01-01" ;
:parent_variant_label = "r1i1p1f1" ;
:physics_index = 1 ;
:product = "model-output" ;
:realization_index = 1 ;
:realm = "landIce" ;
:source = "HadGEM3-GC31-LL (2016): \n",
"aerosol: UKCA-GLOMAP-mode\n",
"atmos: MetUM-HadGEM3-GA7.1 (N96; 192 x 144 longitude/latitude; 85 levels; top level 85 km)\n",
"atmosChem: none\n",
"land: JULES-HadGEM3-GL7.1\n",
"landIce: none\n",
"ocean: NEMO-HadGEM3-GO6.0 (eORCA1 tripolar primarily 1 deg with meridional refinement down to 1/3 degree in the tropics; 360 x 330 longitude/latitude; 75 levels; top grid cell 0-1 m)\n",
"ocnBgchem: none\n",
"seaIce: CICE-HadGEM3-GSI8 (eORCA1 tripolar primarily 1 deg; 360 x 330 longitude/latitude)" ;
:source_id = "HadGEM3-GC31-LL" ;
:source_type = "AGCM AER" ;
:sub_experiment = "none" ;
:sub_experiment_id = "none" ;
:table_id = "day" ;
:table_info = "Creation Date:(13 December 2018) MD5:f0588f7f55b5732b17302f8d9d0d7b8c" ;
:title = "HadGEM3-GC31-LL output prepared for CMIP6" ;
:variable_id = "snc" ;
:variable_name = "snc" ;
:variant_label = "r1i1p1f3" ;
:license = "CMIP6 model data produced by the Met Office Hadley Centre 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) and at https://ukesm.ac.uk/cmip6. 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." ;
:cmor_version = "3.4.0" ;
:tracking_id = "hdl:21.14100/b5763586-188b-4baa-bbc2-4cc6d3ee915f" ;
}