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Data headers for 'I4M_5359597'
Record


Generation date
2026-03-18
Method
ncdump -h
Header
netcdf I4M_5359597_1_15604081129464993784 {
dimensions:
time = UNLIMITED ; // (1166 currently)
lat = 720 ;
lon = 1440 ;
bounds = 2 ;
variables:
double time(time) ;
time:axis = "T" ;
time:bounds = "bounds_time" ;
time:calendar = "noleap" ;
time:long_name = "time" ;
time:standard_name = "time" ;
time:units = "years since 850-01-01 0:0:0" ;
double lat(lat) ;
lat:units = "degrees_north" ;
lat:long_name = "latitude" ;
lat:standard_name = "latitude" ;
lat:axis = "Y" ;
lat:bounds = "bounds_lat" ;
double lon(lon) ;
lon:units = "degrees_east" ;
lon:long_name = "longitude" ;
lon:standard_name = "longitude" ;
lon:axis = "X" ;
lon:bounds = "bounds_lon" ;
float fertl_c3ann(time, lat, lon) ;
fertl_c3ann:missing_value = 1.e+20f ;
fertl_c3ann:_fillvalue = 1.e+20f ;
fertl_c3ann:standard_name = "" ;
fertl_c3ann:long_name = "fertilization rate for C3 annual crops" ;
fertl_c3ann:units = "kg ha-1 yr-1 (crop season)" ;
fertl_c3ann:cell_methods = "time:mean" ;
float irrig_c3ann(time, lat, lon) ;
irrig_c3ann:missing_value = 1.e+20f ;
irrig_c3ann:_fillvalue = 1.e+20f ;
irrig_c3ann:standard_name = "" ;
irrig_c3ann:long_name = "irrigated fraction of C3 annual crops" ;
irrig_c3ann:units = "1" ;
irrig_c3ann:cell_methods = "time:mean" ;
float crpbf_c3ann(time, lat, lon) ;
crpbf_c3ann:missing_value = 1.e+20f ;
crpbf_c3ann:_fillvalue = 1.e+20f ;
crpbf_c3ann:standard_name = "area_fraction" ;
crpbf_c3ann:long_name = "C3 annual crops fraction of crop type area grown as biofuels" ;
crpbf_c3ann:units = "1" ;
crpbf_c3ann:cell_methods = "time:mean" ;
float fertl_c4ann(time, lat, lon) ;
fertl_c4ann:missing_value = 1.e+20f ;
fertl_c4ann:_fillvalue = 1.e+20f ;
fertl_c4ann:standard_name = "" ;
fertl_c4ann:long_name = "fertilization rate for C4 annual crops" ;
fertl_c4ann:units = "kg ha-1 yr-1 (crop season)" ;
fertl_c4ann:cell_methods = "time:mean" ;
float irrig_c4ann(time, lat, lon) ;
irrig_c4ann:missing_value = 1.e+20f ;
irrig_c4ann:_fillvalue = 1.e+20f ;
irrig_c4ann:standard_name = "" ;
irrig_c4ann:long_name = "irrigated fraction of C4 annual crops" ;
irrig_c4ann:units = "1" ;
irrig_c4ann:cell_methods = "time:mean" ;
float crpbf_c4ann(time, lat, lon) ;
crpbf_c4ann:missing_value = 1.e+20f ;
crpbf_c4ann:_fillvalue = 1.e+20f ;
crpbf_c4ann:standard_name = "area_fraction" ;
crpbf_c4ann:long_name = "C4 annual crops fraction of crop type area grown as biofuels" ;
crpbf_c4ann:units = "1" ;
crpbf_c4ann:cell_methods = "time:mean" ;
float fertl_c3per(time, lat, lon) ;
fertl_c3per:missing_value = 1.e+20f ;
fertl_c3per:_fillvalue = 1.e+20f ;
fertl_c3per:standard_name = "" ;
fertl_c3per:long_name = "fertilization rate for C3 perennial crops" ;
fertl_c3per:units = "kg ha-1 yr-1 (crop season)" ;
fertl_c3per:cell_methods = "time:mean" ;
float irrig_c3per(time, lat, lon) ;
irrig_c3per:missing_value = 1.e+20f ;
irrig_c3per:_fillvalue = 1.e+20f ;
irrig_c3per:standard_name = "" ;
irrig_c3per:long_name = "irrigated fraction of C3 perennial crops" ;
irrig_c3per:units = "1" ;
irrig_c3per:cell_methods = "time:mean" ;
float crpbf_c3per(time, lat, lon) ;
crpbf_c3per:missing_value = 1.e+20f ;
crpbf_c3per:_fillvalue = 1.e+20f ;
crpbf_c3per:standard_name = "area_fraction" ;
crpbf_c3per:long_name = "C3 perennial crops fraction of crop type area grown as biofuels" ;
crpbf_c3per:units = "1" ;
crpbf_c3per:cell_methods = "time:mean" ;
float fertl_c4per(time, lat, lon) ;
fertl_c4per:missing_value = 1.e+20f ;
fertl_c4per:_fillvalue = 1.e+20f ;
fertl_c4per:standard_name = "" ;
fertl_c4per:long_name = "fertilization rate for C4 perennial crops" ;
fertl_c4per:units = "kg ha-1 yr-1 (crop season)" ;
fertl_c4per:cell_methods = "time:mean" ;
float irrig_c4per(time, lat, lon) ;
irrig_c4per:missing_value = 1.e+20f ;
irrig_c4per:_fillvalue = 1.e+20f ;
irrig_c4per:standard_name = "" ;
irrig_c4per:long_name = "irrigated fraction of C4 perennial crops" ;
irrig_c4per:units = "1" ;
irrig_c4per:cell_methods = "time:mean" ;
float crpbf_c4per(time, lat, lon) ;
crpbf_c4per:missing_value = 1.e+20f ;
crpbf_c4per:_fillvalue = 1.e+20f ;
crpbf_c4per:standard_name = "area_fraction" ;
crpbf_c4per:long_name = "C4 perennial crops fraction of crop type area grown as biofuels" ;
crpbf_c4per:units = "1" ;
crpbf_c4per:cell_methods = "time:mean" ;
float fertl_c3nfx(time, lat, lon) ;
fertl_c3nfx:missing_value = 1.e+20f ;
fertl_c3nfx:_fillvalue = 1.e+20f ;
fertl_c3nfx:standard_name = "" ;
fertl_c3nfx:long_name = "fertilization rate for C3 nitrogen-fixing crops" ;
fertl_c3nfx:units = "kg ha-1 yr-1 (crop season)" ;
fertl_c3nfx:cell_methods = "time:mean" ;
float irrig_c3nfx(time, lat, lon) ;
irrig_c3nfx:missing_value = 1.e+20f ;
irrig_c3nfx:_fillvalue = 1.e+20f ;
irrig_c3nfx:standard_name = "" ;
irrig_c3nfx:long_name = "irrigated fraction of C3 nitrogen-fixing crops" ;
irrig_c3nfx:units = "1" ;
irrig_c3nfx:cell_methods = "time:mean" ;
float crpbf_c3nfx(time, lat, lon) ;
crpbf_c3nfx:missing_value = 1.e+20f ;
crpbf_c3nfx:_fillvalue = 1.e+20f ;
crpbf_c3nfx:standard_name = "area_fraction" ;
crpbf_c3nfx:long_name = "C3 nitrogen-fixing crops fraction of crop type area grown as biofuels" ;
crpbf_c3nfx:units = "1" ;
crpbf_c3nfx:cell_methods = "time:mean" ;
float fharv_c3per(time, lat, lon) ;
fharv_c3per:missing_value = 1.e+20f ;
fharv_c3per:_fillvalue = 1.e+20f ;
fharv_c3per:standard_name = "vegetation_carbon_content" ;
fharv_c3per:long_name = "fraction of C3 perennial crops biomass carbon harvested annually" ;
fharv_c3per:units = "1" ;
fharv_c3per:cell_methods = "time:mean" ;
float fharv_c4per(time, lat, lon) ;
fharv_c4per:missing_value = 1.e+20f ;
fharv_c4per:_fillvalue = 1.e+20f ;
fharv_c4per:standard_name = "vegetation_carbon_content" ;
fharv_c4per:long_name = "fraction of C4 perennial crops biomass carbon harvested annually" ;
fharv_c4per:units = "1" ;
fharv_c4per:cell_methods = "time:mean" ;
float flood(time, lat, lon) ;
flood:missing_value = 1.e+20f ;
flood:_fillvalue = 1.e+20f ;
flood:standard_name = "area_fraction" ;
flood:long_name = "flooded fraction of C3 annual crop area (e.g. for paddy rice" ;
flood:units = "1" ;
flood:cell_methods = "time:mean" ;
float rndwd(time, lat, lon) ;
rndwd:missing_value = 1.e+20f ;
rndwd:_fillvalue = 1.e+20f ;
rndwd:standard_name = "vegetation_carbon_content" ;
rndwd:long_name = "industrial roundwood fraction of wood harvest biomass carbon" ;
rndwd:units = "1" ;
rndwd:cell_methods = "time:mean" ;
float fulwd(time, lat, lon) ;
fulwd:missing_value = 1.e+20f ;
fulwd:_fillvalue = 1.e+20f ;
fulwd:standard_name = "vegetation_carbon_content" ;
fulwd:long_name = "fuelwood fraction of wood harvest biomass carbon" ;
fulwd:units = "1" ;
fulwd:cell_methods = "time:mean" ;
float combf(time, lat, lon) ;
combf:missing_value = 1.e+20f ;
combf:_fillvalue = 1.e+20f ;
combf:standard_name = "vegetation_carbon_content" ;
combf:long_name = "commercial biofuels fraction of wood harvest biomass carbon" ;
combf:units = "1" ;
combf:cell_methods = "time:mean" ;
double lat_bounds(lat, bounds) ;
double lon_bounds(lon, bounds) ;
int time_bnds(time, bounds) ;

// global attributes:
:host = "UMD College Park" ;
:comment = "LUH2" ;
:contact = "
 gchurtt@nullumd.edu
,
 lchini@nullumd.edu
,
 steve.frolking@nullunh.edu
,
 ritvik@nullumd.edu
" ;
:creation_date = "2018-01-10T14:01:14Z" ;
:title = "Land-Use Harmonization Data Sets" ;
:activity_id = "input4MIPs" ;
:Conventions = "CF-1.6" ;
:data_structure = "grid" ;
:further_info_url = "http://luh.umd.edu" ;
:frequency = "yr" ;
:institution_id = "UofMD" ;
:realm = "land" ;
:references = "Hurtt, Chini et al. 2011" ;
:license = "Land-Use Harmonization data produced by the University of Maryland is licensed under a Creative Commons Attribution \"Share Alike\" 4.0 International License (http://creativecommons.org/licenses/by/4.0/). 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." ;
:variable_id = "multiple" ;
:grid_label = "gn" ;
:mip_era = "CMIP6" ;
:institution = "University of Maryland (UofMD), College Park, MD 20742, USA" ;
:source = "LUH2 v2.1h-low: Land-Use Harmonization Data Set" ;
:tracking_id = "hdl:21.14100/6314c03f-6c07-41cb-a6f0-4f007617f4db" ;
:nominal_resolution = "50 km" ;
:target_mip = "CMIP" ;
:source_version = "low-2-1-h" ;
:dataset_version_number = "low-2-1-h" ;
:source_id = "UofMD-landState-low-2-1-h" ;
:dataset_category = "landState" ;
}