netcdf I4M_3889193_1_5734281017982676826 {
dimensions:
lon = 720 ;
lat = 360 ;
level = 25 ;
time = UNLIMITED ; // (120 currently)
bound = 2 ;
variables:
double lon(lon) ;
lon:units = "degrees_east" ;
lon:long_name = "longitude" ;
lon:axis = "X" ;
lon:bounds = "lon_bnds" ;
lon:modulo = 360. ;
lon:realtopology = "circular" ;
lon:standard_name = "longitude" ;
lon:topology = "circular" ;
double lat(lat) ;
lat:units = "degrees_north" ;
lat:long_name = "latitude" ;
lat:axis = "Y" ;
lat:bounds = "lat_bnds" ;
lat:realtopology = "linear" ;
lat:standard_name = "latitude" ;
double level(level) ;
level:units = "km" ;
level:long_name = "altitude" ;
double time(time) ;
time:units = "days since 2015-01-01 0:0:0" ;
time:long_name = "time" ;
time:calendar = "365_day" ;
time:axis = "T" ;
time:bounds = "time_bnds" ;
time:realtopology = "linear" ;
time:standard_name = "time" ;
float BC_em_AIR_anthro(time, level, lat, lon) ;
BC_em_AIR_anthro:units = "kg m-2 s-1" ;
BC_em_AIR_anthro:_FillValue = 1.e+20f ;
BC_em_AIR_anthro:cell_methods = "time: mean" ;
BC_em_AIR_anthro:missing_value = 1.e+20f ;
BC_em_AIR_anthro:long_name = "BC Aircraft Anthropogenic Emissions" ;
double lat_bnds(lat, bound) ;
double lon_bnds(lon, bound) ;
double time_bnds(time, bound) ;
// global attributes:
:Conventions = "CF-1.6" ;
:activity_id = "input4MIPs" ;
:comment = "SSP harmonized, gridded emissions for IAMC-AIM_SSP3-LowNTCF. Data harmonized to historical emissions CEDS-v2017-05-18 (anthropogenic) and v1.2 (land-use change)" ;
:contact = "Steven J. Smith ()" ;
:creation_date = "2018-06-21T02:43:40Z" ;
:data_structure = "grid" ;
:dataset_category = "emissions" ;
:external_variables = "gridcell_area" ;
:frequency = "mon" ;
:further_info_url = "https://secure.iiasa.ac.at/web-apps/ene/SspDb/" ;
:grid = "0.5x0.5 degree latitude x longitude" ;
:grid_label = "gn" ;
:nominal_resolution = "50 km" ;
:history = "21-06-2018 02:43:40 AM UTC; College Park, MD, USA" ;
:institution = "Integrated Assessment Modeling Consortium" ;
:institution_id = "IAMC" ;
:mip_era = "CMIP6" ;
:product = "primary-emissions-data" ;
:realm = "atmos" ;
:references = "See: https://secure.iiasa.ac.at/web-apps/ene/SspDb/ for references" ;
:source = "IAMC Scenario Database hosted at IIASA" ;
:source_id = "IAMC-AIM-ssp370-lowNTCF-1-1" ;
:source_version = "1.1" ;
:table_id = "input4MIPs" ;
:target_mip = "AerChemMIP" ;
:title = "Future anthropogenic aircraft emissions of BC prepared for input4MIPs" ;
:variable_id = "BC_em_AIR_anthro" ;
:license = "AerChemMIP gridded emissions data produced by the IAMC are 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 input4MIPs 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." ;
:data_usage_tips = "Note that these are monthly average fluxes. Note that emissions are provided in uneven year intervals (2015, 2020, then at 10 year intervals) as these are the years for which projection data is available." ;
:reporting_unit = "Mass flux of BC, reported as carbon mass" ;
:tracking_id = "hdl:21.14100/b14e1a2b-4c30-4eab-882e-c79d054083da" ;
}