Data headers for 'I4M_5359797'

Record

1

Generation date

2026-03-18

Method

ncdump -h

Header

 netcdf I4M_5359797_1_4806560829853947124 { 
 dimensions: 
 	lon = 720 ; 
 	lat = 360 ; 
 	level = 25 ; 
 	time = UNLIMITED ; // (108 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 NOx_em_AIR_anthro(time, level, lat, lon) ; 
 		NOx_em_AIR_anthro:units = "kg m-2 s-1" ; 
 		NOx_em_AIR_anthro:_FillValue = 1.e+20f ; 
 		NOx_em_AIR_anthro:cell_methods = "time: mean" ; 
 		NOx_em_AIR_anthro:missing_value = 1.e+20f ; 
 		NOx_em_AIR_anthro:long_name = "NOx 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" ; 
 		:creation_date = "2021-06-04T21:03:29Z" ; 
 		:data_structure = "grid" ; 
 		:dataset_category = "emissions" ; 
 		:external_variables = "gridcell_area" ; 
 		:frequency = "mon" ; 
 		:further_info_url = "https://zenodo.org/record/3957826#.YLgLaahKhPY" ; 
 		:grid = "0.5x0.5 degree latitude x longitude" ; 
 		:grid_label = "gn" ; 
 		:nominal_resolution = "50 km" ; 
 		:history = "21-06-2018 03:58:30 AM UTC; College Park, MD, USA" ; 
 		:mip_era = "CMIP6" ; 
 		:product = "primary-emissions-data" ; 
 		:realm = "atmos" ; 
 		:table_id = "input4MIPs" ; 
 		:title = "Future anthropogenic aircraft emissions of NOx prepared for input4MIPs" ; 
 		:variable_id = "NOx_em_AIR_anthro" ; 
 		:reporting_unit = "Mass flux of NOx, reported as NO2" ; 
 		:tracking_id = "hdl:21.14100/15500857-fa9f-4754-85d5-cfb3cd0f358b" ; 
 		:comment = "SSP harmonized, gridded emissions for TwoYearBlip, based on IAMC-MESSAGE-GLOBIOM_SSP2-45-SPA2 modified by the impacts of lockdown for coronavirus. Data harmonized to historical emissions CEDS-v2017-05-18 (anthropogenic) and v1.2 (land-use change)" ; 
 		:contact = "Robin D. Lamboll (
 r.lamboll@nullimperial.ac.uk)" ; 
 		:institution = "Imperial College London, South Kensington Campus, London SW7 2AZ, UK" ; 
 		:institution_id = "ImperialCollege" ; 
 		:references = "https://doi.org/10.5194/gmd-2020-373" ; 
 		:source = "Imperial College 4-8-1: Gridded emissions data produced by modifying IAMC-MESSAGE-GLOBIOM_SSP2-45-SPA2 scenario with the effects of lockdown. The original file can be found by searching https://esgf-node.llnl.gov/search/input4mips/?institution_id=IAMC&source_id=IAMC-MESSAGE-GLOBIOM-ssp245-1-1" ; 
 		:source_id = "ImperialCollege-ssp245-covid-4-8-1" ; 
 		:source_version = "4-8-1" ; 
 		:target_mip = "DAMIP" ; 
 		:license = "DAMIP gridded emissions data produced by ICL (derived from IAMC scenario data) 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 emissions. Note also that emissions are provided in uneven year intervals." ; 
 }