netcdf C6HRECEILH1r7111SIscogn90425_1_1399098360347243399 {
dimensions:
time = UNLIMITED ; // (12 currently)
i = 292 ;
j = 362 ;
bnds = 2 ;
vertices = 4 ;
strlen = 7 ;
variables:
double time(time) ;
time:bounds = "time_bnds" ;
time:units = "days since 1950-01-01 00:00:00" ;
time:calendar = "gregorian" ;
time:axis = "T" ;
time:long_name = "time" ;
time:standard_name = "time" ;
double time_bnds(time, bnds) ;
int i(i) ;
i:units = "1" ;
i:long_name = "cell index along first dimension" ;
int j(j) ;
j:units = "1" ;
j:long_name = "cell index along second dimension" ;
float latitude(i, j) ;
latitude:standard_name = "latitude" ;
latitude:units = "degrees_north" ;
latitude:missing_value = 1.e+20f ;
latitude:_FillValue = 1.e+20f ;
latitude:bounds = "vertices_latitude" ;
float longitude(i, j) ;
longitude:standard_name = "longitude" ;
longitude:units = "degrees_east" ;
longitude:missing_value = 1.e+20f ;
longitude:_FillValue = 1.e+20f ;
longitude:bounds = "vertices_longitude" ;
float vertices_latitude(i, j, vertices) ;
vertices_latitude:standard_name = "latitude" ;
vertices_latitude:units = "degrees_north" ;
vertices_latitude:missing_value = 1.e+20f ;
vertices_latitude:_FillValue = 1.e+20f ;
float vertices_longitude(i, j, vertices) ;
vertices_longitude:standard_name = "longitude" ;
vertices_longitude:units = "degrees_east" ;
vertices_longitude:missing_value = 1.e+20f ;
vertices_longitude:_FillValue = 1.e+20f ;
char type(strlen) ;
type:long_name = "Sea Ice area type" ;
type:standard_name = "area_type" ;
float siconc(time, i, j) ;
siconc:standard_name = "sea_ice_area_fraction" ;
siconc:long_name = "Sea Ice Area Fraction" ;
siconc:comment = "Area fraction of grid cell covered by sea ice" ;
siconc:units = "%" ;
siconc:original_name = "ileadfra" ;
siconc:original_units = "1.0" ;
siconc:history = "2019-04-12T11:25:48Z altered by CMOR: Converted units from \'1.0\' to \'%\'. 2019-04-12T11:25:48Z altered by CMOR: Treated scalar dimension: \'type\'. 2019-04-12T11:25:48Z altered by CMOR: replaced missing value flag (9.96921e+36) with standard missing value (1e+20)." ;
siconc:cell_methods = "area: mean where sea time: mean" ;
siconc:cell_measures = "area: areacello" ;
siconc:coordinates = "type latitude longitude" ;
siconc:missing_value = 1.e+20f ;
siconc:_FillValue = 1.e+20f ;
// global attributes:
:Conventions = "CF-1.7 CMIP-6.0" ;
:activity_id = "HighResMIP" ;
:branch_method = "Initialized directly from parent restart files" ;
:contact = " chris.roberts@
nullecmwf.int
" ;
:creation_date = "2019-04-12T11:25:48Z" ;
:end_year = "2014" ;
:experiment = "coupled historical 1950-2014" ;
:experiment_id = "hist-1950" ;
:external_variables = "areacello" ;
:forcing_index = 1 ;
:frequency = "mon" ;
:grid = "ORCA1: tripolar, 362x292; 75 levels; top grid cell 1m" ;
:grid_label = "gn" ;
:initialization_index = 1 ;
:institution_id = "ECMWF" ;
:member_id = "r7i1p1f1" ;
:min_number_yrs_per_sim = "65" ;
:mip_era = "CMIP6" ;
:nominal_resolution = "100 km" ;
:parent_activity_id = "HighResMIP" ;
:parent_experiment_id = "spinup-1950" ;
:parent_mip_era = "CMIP6" ;
:parent_source_id = "ECMWF-IFS-LR" ;
:parent_time_units = "days since 1950-01-01 00:00:00" ;
:parent_variant_label = "r1i1p1f1" ;
:physics_index = 1 ;
:product = "model-output" ;
:realization_index = 7 ;
:realm = "seaIce" ;
:source_id = "ECMWF-IFS-LR" ;
:source_type = "AOGCM" ;
:start_year = "1950" ;
:sub_experiment = "none" ;
:sub_experiment_id = "none" ;
:table_id = "SImon" ;
:table_info = "Creation Date:(12 July 2017) MD5:6f543be94b857ea44f7fb1086ef08b79" ;
:tier = "2" ;
:title = "ECMWF-IFS-LR model output prepared for CMIP6" ;
:tracking_id = "hdl:21.14100/2fd8e7b9-120d-4892-a17f-bf1ceef31d32" ;
:variable_id = "siconc" ;
:variant_info = "Coupled historical integration with external forcings for 1950-2014. Ensemble spread is generated by stochastic physics." ;
:variant_label = "r7i1p1f1" ;
:license = "CMIP6 model data produced by ECMWF is licensed under a Creative Commons Attribution-NonCommercial-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 http://www.ecmwf.int/en/forecasts/documentation-and-support. 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 = "3.2.4" ;
:branch_time_in_parent = 18262. ;
:branch_time_in_child = 0. ;
:further_info_url = "https://furtherinfo.es-doc.org/CMIP6.ECMWF.ECMWF-IFS-LR.hist-1950.none.r7i1p1f1" ;
:data_specs_version = "01.00.23" ;
:institution = "European Centre for Medium-Range Weather Forecasts, Reading RG2 9AX, UK" ;
:references = "Roberts, C. D., Senan, R., Molteni, F., Boussetta, S., Mayer, M., and Keeley, S. P. E.: Climate model configurations of the ECMWF Integrated Forecasting System (ECMWF-IFS cycle 43r1) for HighResMIP, Geosci. Model Dev., 11, 3681-3712, https://doi.org/10.5194/gmd-11-3681-2018, 2018." ;
:source = "ECMWF-IFS-LR (2017): \n",
"aerosol: none\n",
"atmos: IFS (IFS CY43R1, Tco199, cubic octahedral reduced Gaussian grid equivalent to 800 x 400 longitude/latitude; 91 levels; top level 0.01 hPa)\n",
"atmosChem: none\n",
"land: HTESSEL (as implemented in IFS CY43R1)\n",
"landIce: none\n",
"ocean: NEMO3.4 (NEMO v3.4; ORCA1 tripolar grid; 362 x 292 longitude/latitude; 75 levels; top grid cell 0-1 m)\n",
"ocnBgchem: none\n",
"seaIce: LIM2 (LIM v2; ORCA1 tripolar grid; 362 x 292 longitude/latitude)" ;
:history = "2019-04-12T11:25:48Z CMOR rewrote data to be consistent with CF standards and CMIP6 requirements.; 2019-12-18T05:41:11Z ChildBranchTimeDoubleFix, DataSpecsVersionAdd, EcmwfInstitution, EcmwfReferences, EcmwfSourceLr, FurtherInfoUrlToHttps, ParentBranchTimeDoubleFix" ;
}