netcdf io_1x12_ts_super_obs { dimensions: survey = 2018 ; state_variable = 7 ; datum = 130003 ; variables: int spherical ; spherical:long_name = "grid type logical switch" ; spherical:flag_values = 0, 1 ; spherical:flag_meanings = "Cartesian spherical" ; int Nobs(survey) ; Nobs:long_name = "number of observations with the same survey time" ; double survey_time(survey) ; survey_time:long_name = "survey time" ; survey_time:units = "days since 1990-01-01 00:00:00 GMT" ; survey_time:calendar = "gregorian" ; double obs_variance(state_variable) ; obs_variance:long_name = "global temporal and spatial observation variance" ; int obs_type(datum) ; obs_type:long_name = "model state variable associated with observations" ; obs_type:flag_values = 1, 2, 3, 4, 5, 6, 7 ; obs_type:flag_meanings = "zeta ubar vbar u v temperature salinity" ; int obs_provenance(datum) ; obs_provenance:long_name = "observation origin" ; obs_provenance:flag_values = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 ; obs_provenance:flag_meanings = "gridded_AVISO_SLA blended_SST XBT_Met_Office CTD_temperature_Met_Office CTD_salinity_Met_Office ARGO_temperature_Met_Office ARGO_salinity_Met_Office CTD_temperature_CalCOFI CTD_salinity_CalCOFI CTD_temperature_GLOBEC CTD_salinity_GLOBEC buoy_temperature_Met_Office" ; double obs_time(datum) ; obs_time:long_name = "time of observation" ; obs_time:units = "days since 1990-01-01 00:00:00 GMT" ; obs_time:calendar = "gregorian" ; double obs_lon(datum) ; obs_lon:long_name = "observation longitude" ; obs_lon:units = "degrees_east" ; obs_lon:standard_name = "longitude" ; double obs_lat(datum) ; obs_lat:long_name = "observation latitude" ; obs_lat:units = "degrees_north" ; obs_lat:standard_name = "latitude" ; double obs_depth(datum) ; obs_depth:long_name = "depth of observation" ; obs_depth:units = "meters" ; obs_depth:negative = "downwards" ; double obs_Xgrid(datum) ; obs_Xgrid:long_name = "observation fractional x-grid location" ; double obs_Ygrid(datum) ; obs_Ygrid:long_name = "observation fractional y-grid location" ; double obs_Zgrid(datum) ; obs_Zgrid:long_name = "observation fractional z-grid location" ; double obs_error(datum) ; obs_error:long_name = "observation error covariance" ; double obs_value(datum) ; obs_value:long_name = "observation value" ; // global attributes: :type = "ROMS observations" ; :Conventions = "CF-1.4" ; :grid_Lm_Mm_N = 1079, 755, 40 ; :variance_units = "squared state variable units" ; :history = "4D-Var observations, Wednesday - May 16, 2018 - 12:56:43.1731 PM" ; }