DAP4 Data Request Form IASIA_MUSICA_030301_L2_AllTargetProducts_20210101054454_73699.nc.h5

dataset: IASIA_MUSICA_030301_L2_AllTargetProducts_20210101054454_73699.nc.h5
(dmr)

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Global Attributes
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    • title: MUSICA IASI full retrieval product standard output (Type is String)
    • retrieval_target_name: Water vapour (WV): H2O and HDO; Greenhouse Gases (GHG): N2O, CH4; HNO3 (Type is String)
    • retrieval_in_logarithmic_parameter_space: true (Type is String)
    • platform: SATELLITE (Type is String)
    • name_of_platform: EUMETSAT Metop (Type is String)
    • experiment: IASI (Type is String)
    • data_version: 3.3.1 (MUSICA 2021) (Type is String)
    • institution: Karlsruhe Institute of Technology (KIT) (Type is String)
    • history: Date of retrieval run: 20210727212241 (Type is String)
    • address: H.-v.-Helmholtz-Platz 1, D-76344 Leopoldshafen, Germany (Type is String)
    • author: Benjamin Ertl and Matthias Schneider (Type is String)
    • email: benjamin.ertl@kit.edu; matthias.schneider@kit.edu (Type is String)
    • data_format_version: netcdf (Type is String)
    • Conventions: CF-1.7 (Type is String)
    • license: CC BY 4.0 Attribution (Type is String)
    • acknowledgement: The generation of this data set has strongly benefit from the project MUSICA (funded by the European Research Council under the European Community\342\200\231s Seventh Framework Programme (FP7/2007-2013)/ERC Grant Agreement number 256961), from financial support in the context of the projects MOTIV and TEDDY (funded by the Deutsche Forschungsgemeinschaft under project IDs/Geschaeftszeichen 290612604/GZ:SCHN1126/2-1 and 416767181/GZ:SCHN1126/5-1, respectively), and INMENSE (funded by the Ministerio de Economia y Competividad from Spain, CGL2016-80688-P). Retrieval calculations for generating this data set were performed on the supercomputer ForHLR funded by the Ministry of Science, Research and the Arts Baden-Wuerttemberg and by the German Federal Ministry of Education and Research. Furthermore, we acknowledge the contribution of Teide High-Performance Computing facilities (provided by the Instituto Tecnologico y de Energias Renovables (ITER), S.A, teidehpc.iter.es). (Type is String)
Global Dimensions
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      [ /observation_id = 0..5399 ]
      [ /surface_emissivity_wn = 0..19 ]
      [ /ghg_avk_rank = 0..13 ]
      [ /atmospheric_levels = 0..28 ]
      [ /regularisation_parameter = 0..2 ]
      [ /musica_species_id = 0..1 ]
      [ /spectra_wn = 0..840 ]
      [ /ghg_xavkat_rank = 0..9 ]
      [ /resolution_parameter = 0..2 ]
      [ /fit_quality_parameter = 0..2 ]
      [ /error_parameter = 0..2 ]
      [ /wv_xavkat_rank = 0..8 ]
      [ /hno3_avk_rank = 0..5 ]
      [ /hno3_xavkat_rank = 0..5 ]
      [ /at_avk_rank = 0..7 ]
      [ /wv_avk_rank = 0..16 ]
Variables
spectra_wn[ /spectra_wn= 0..840] (Type is Float32)
  • attributes
    • description: frequency of spectra [cm-1] (Type is String)
    • long_name: spectral bins (Type is String)
    • units: cm-1 (Type is String)
musica_species_id[ /musica_species_id= 0..1] (Type is Byte)
  • attributes
    • description: MUSICA species variable for identifying MUSICA WV and GHG species: for WV "1" means H2O (or proxy 0.5*(ln[H2O]+ln[HDO])) and "2" means HDO (or proxy (ln[HDO]-ln[H2O])); for GHG "1" means N2O and "2" means CH4 (Type is String)
    • long_name: species identifier (Type is String)
    • units: 1 (Type is String)
lon[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • description: geographical longitude [degree_east] (east is positive and west negative) (Type is String)
    • long_name: longitude (Type is String)
    • standard_name: longitude (Type is String)
    • units: degrees_east (Type is String)
    • axis: X (Type is String)
time[ /observation_id= 0..5399] (Type is Int64)
  • attributes
    • description: universal coordinated time (UTC) given in seconds since 2000-01-01 00:00:00 (Type is String)
    • long_name: universal coordinated time (Type is String)
    • standard_name: time (Type is String)
    • units: seconds since 2000-01-01 00:00:00 (Type is String)
    • axis: T (Type is String)
lat[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • description: geographical latitude [degree_north] (north is positive and south negative) (Type is String)
    • long_name: latitude (Type is String)
    • standard_name: latitude (Type is String)
    • units: degrees_north (Type is String)
    • axis: Y (Type is String)
surface_emissivity_wn[ /surface_emissivity_wn= 0..19] (Type is Float32)
  • attributes
    • description: wavenumber scale for surface emissivity data [cm-1] (Type is String)
    • long_name: spectral bins for surface emissivity data (Type is String)
    • units: cm-1 (Type is String)
observation_id[ /observation_id= 0..5399] (Type is UInt32)
  • attributes
    • description: profile variable for uniquely identifying individual profiles/observations (Type is String)
    • long_name: profile/observation identifier (Type is String)
    • cf_role: profile_id (Type is String)
    • units: 1 (Type is String)
musica_altitude_levels[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • description: atmospheric altitude levels [m a.s.l.] (Type is String)
    • long_name: altitude above sea level (Type is String)
    • standard_name: altitude (Type is String)
    • units: m (Type is String)
    • axis: Z (Type is String)
    • positive: up (Type is String)
surface_emissivity[ /observation_id= 0..5399] [ /surface_emissivity_wn= 0..19] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: surface emissivity (source of emissivity value is given in the variable surface_emissivity_flag) (Type is String)
    • long_name: surface emissivity (Type is String)
    • standard_name: surface_longwave_emissivity (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_apriori[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori profiles of nitric acid ([HNO3]) as mixing ratios in ppmv (Type is String)
    • long_name: a priori HNO3 state (Type is String)
    • units: 1e-6 (Type is String)
    • coordinates: time lat musica_altitude_levels (Type is String)
eumetsat_surface_type_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: 0:water; 1:land low; 2:land high; 3:land water low; 4:land water high; 5:sea ice (Type is String)
    • long_name: surface type (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: lat lon (Type is String)
musica_ghg_xavkat_lvec[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /ghg_xavkat_rank= 0..9] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: left leading singular vectors of the cross averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: left vectors of xavkat of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wvp_resolution[ /observation_id= 0..5399] [ /resolution_parameter= 0..2] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: parameter for vertical representativeness for water vapour proxy species (state vector {0.5*(ln[H2O]+ln[HDO]),(ln[HDO]-ln[H2O])}); parameter 1: centre (Eq. 3.24 of Rodgers 2000)\n parameter 2: resolving length (Eq. 3.23 and 3.24 of Rodgers, 2000)\n parameter 3: layer width per degree of freedom (Purser and Huang, 1993) (Type is String)
    • long_name: resolution parameter for WV proxy state (Type is String)
    • units: m (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_nol[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: number of actual atmospheric grid levels (Type is String)
    • long_name: number of atmospheric grid levels (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_at_error[ /observation_id= 0..5399] [ /error_parameter= 0..2] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: error for atmospheric temperature (state vector in K); parameter 1: sqrt of diagonal elements of uncertainty covariances due to retrieval fit noise\n parameter 2: sqrt of diagonal elements of uncertainty covariances due to IASI instrumental noise covariances (according to Pequignot et al., 2008)\n parameter 3: sqrt of diagonal elements of uncertainty covariances due to atmospheric temperature a priori uncertainty (depends strongly on assumed temperature a priori uncertainty covariances) (Type is String)
    • long_name: error for AT state (Type is String)
    • units: K (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wvp_reg[ /observation_id= 0..5399] [ /regularisation_parameter= 0..2] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: regularisation parameter for water vapour proxy species (state vector {0.5*(ln[H2O]+ln[HDO]),(ln[HDO]-ln[H2O])}); parameter 1: L0 coefficients\n parameter 2: L1 coefficients\n parameter 3: L2 coefficients (Type is String)
    • long_name: regularisation parameter for WV proxy state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_ghg_apriori[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori profiles of greenhouse gas species (state vector {[N2O],[CH4]}) as mixing ratios in ppmv (Type is String)
    • long_name: a priori GHG state (Type is String)
    • units: 1e-6 (Type is String)
    • coordinates: time lat musica_altitude_levels (Type is String)
musica_spectra_simulations[ /observation_id= 0..5399] [ /spectra_wn= 0..840] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: simulated IASI spectra [nW/(sr*cm^2*cm-1)] (Type is String)
    • long_name: simulated spectra (Type is String)
    • units: nW cm-2 sr-1 (cm-1)-1 (Type is String)
    • coordinates: time lat lon (Type is String)
eumetsat_residual_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: 0:Residual check was not passed-sounding rejected; 1:Resisual check passed-sounding accepted (Type is String)
    • long_name: EUMETSAT L2 residual check (Type is String)
    • units: 1 (Type is String)
    • comment: only for EUMETSAT L2 PPF versions 4 and 5, source: EUMETSAT L2 netcdf files (Type is String)
    • coordinates: time lat lon (Type is String)
musica_at_response[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: measurement response (sum along the row of the averaging kernel matrix) for atmospheric temperature (state vector in K) (Type is String)
    • long_name: measurement response for AT state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
time_string[ /observation_id= 0..5399] (Type is String)
  • attributes
    • description: time (UTC) as ISO 8601 UTC date-time string (Type is String)
    • long_name: ISO 8601 UTC date-time string (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_xavkat_val[ /observation_id= 0..5399] [ /ghg_xavkat_rank= 0..9] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: leading singular values of the cross averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: singular values of xavkat of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_resolution[ /observation_id= 0..5399] [ /resolution_parameter= 0..2] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: parameter for vertical representativeness for nitric acid (state vector {ln[HNO3]}); parameter 1: centre (Eq. 3.24 of Rodgers 2000)\n parameter 2: resolving length (Eq. 3.23 and 3.24 of Rodgers, 2000)\n parameter 3: layer width per degree of freedom (Purser and Huang, 1993) (Type is String)
    • long_name: resolution parameter for HNO3 state (Type is String)
    • units: m (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_hno3_avk_rvec[ /observation_id= 0..5399] [ /hno3_avk_rank= 0..5] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: right leading singular vectors of the averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) (Type is String)
    • long_name: right vectors of avk of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wvp_response[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: measurement response (sum along the row of the averaging kernel matrix) for water vapour proxy species (state vector {0.5*(ln[H2O]+ln[HDO]),(ln[HDO]-ln[H2O])}) (Type is String)
    • long_name: measurement response for WV proxy state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_at_apriori[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori atmospheric temperature [K] (source: EUMETSAT L2) (Type is String)
    • long_name: a priori AT state (Type is String)
    • units: K (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wv_xavkat_rank[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: rank (number of leading singular values) of the cross averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: rank of xavkat of WV state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_avk_lvec[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /ghg_avk_rank= 0..13] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: left leading singular vectors of the averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) (Type is String)
    • long_name: left vectors of avk of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wvp_apriori_amp[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori assumed amplitude of water vapour proxy species variability (state vector {0.5*(ln[H2O]+ln[HDO]),(ln[HDO]-ln[H2O])}) (Type is String)
    • long_name: a priori amplitude of WV proxy state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_at_avk_rank[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: rank (number of leading singular values) of the averaging kernel for atmospheric temperature (state vector in K) (Type is String)
    • long_name: rank of avk of AT state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_avk_val[ /observation_id= 0..5399] [ /hno3_avk_rank= 0..5] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: leading singular values of the averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) (Type is String)
    • long_name: singular values of avk of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_reg[ /observation_id= 0..5399] [ /regularisation_parameter= 0..2] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: regularisation parameter for nitric acid (state vector {ln[HNO3]}); parameter 1: L0 coefficients\n parameter 2: L1 coefficients\n parameter 3: L2 coefficients (Type is String)
    • long_name: regularisation parameter for HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_hno3_xavkat_rvec[ /observation_id= 0..5399] [ /hno3_xavkat_rank= 0..5] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: right leading singular vectors of the cross averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: right vectors of xavkat of HNO3 state (Type is String)
    • units: K-1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wv_apriori[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori profiles of water vapour species (state vector {[H2O],[HDO]}) as mixing ratios in ppmv (Type is String)
    • long_name: a priori WV state (Type is String)
    • units: 1e-6 (Type is String)
    • coordinates: time lat musica_altitude_levels (Type is String)
eumetsat_iterations[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: Number of iterations in the OEM (Type is String)
    • long_name: EUMETSAT L2 PPF OEM iterations (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
musica_pressure_levels[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: atmospheric pressure levels [Pa] (Type is String)
    • long_name: atmospheric pressure (Type is String)
    • standard_name: air_pressure (Type is String)
    • units: Pa (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wv_avk_rank[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: rank (number of leading singular values) of the averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) (Type is String)
    • long_name: rank of avk of WV state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_avk_val[ /observation_id= 0..5399] [ /ghg_avk_rank= 0..13] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: leading singular values of the averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) (Type is String)
    • long_name: singular values of avk of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_wv_xavkat_rvec[ /observation_id= 0..5399] [ /wv_xavkat_rank= 0..8] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: right leading singular vectors of the cross averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: right vectors of xavkat of WV state (Type is String)
    • units: K-1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_hno3_avk_rank[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: rank (number of leading singular values) of the averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) (Type is String)
    • long_name: rank of avk of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
eumetsat_product_minor_version[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: L2 (EUMETSAT netcdf) product minor version (Type is String)
    • long_name: EUMETSAT L2 PPF minor version number (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_at_avk_lvec[ /observation_id= 0..5399] [ /at_avk_rank= 0..7] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: left leading singular vectors of the averaging kernel for atmospheric temperature (state vector in K) (Type is String)
    • long_name: left vectors of avk of AT state (Type is String)
    • units: K (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_at_resolution[ /observation_id= 0..5399] [ /resolution_parameter= 0..2] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: parameter for vertical representativeness for atmospheric temperature (state vector in K); parameter 1: centre (Eq. 3.24 of Rodgers 2000)\n parameter 2: resolving length (Eq. 3.23 and 3.24 of Rodgers, 2000)\n parameter 3: layer width per degree of freedom (Purser and Huang, 1993) (Type is String)
    • long_name: resolution parameter for AT state (Type is String)
    • units: m (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wv_avk_rvec[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /wv_avk_rank= 0..16] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: right leading singular vectors of the averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) (Type is String)
    • long_name: right vectors of avk of WV state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
eumetsat_dust_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: Indicates presence of dust clouds in the IFOV (Type is String)
    • long_name: EUMETSAT L2 dust cloud indicator (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
musica_wv_avk_val[ /observation_id= 0..5399] [ /wv_avk_rank= 0..16] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: leading singular values of the averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) (Type is String)
    • long_name: singular values of avk of WV state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
platform_zenith_angle[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: satellite instrument viewing angle [degree] (Type is String)
    • long_name: viewing angle (Type is String)
    • standard_name: platform_zenith_angle (Type is String)
    • units: degree (Type is String)
    • coordinates: time lat lon (Type is String)
surface_emissivity_flag[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: -2: Cloud; -1: Masuda et al. (1988) sea water for wind speed 5m/s; 0:IREMIS no MOD11 data; 1:IREMIS baseline fit method was applied; 2:IREMIS averaged from the 2 adjacent months; 3:IREMIS annual average; 4:IREMIS average over the annual average over all emis with latitude <-80; 5:ASTER spectral library version 2.0 sea ice emissivity; 6:EUMETSAT IASI L2 emissivity (Type is String)
    • long_name: source of surface emissivity data (Type is String)
    • units: 1 (Type is String)
musica_hno3_response[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: measurement response (sum along the row of the averaging kernel matrix) for nitric acid (state vector {ln[HNO3]}) (Type is String)
    • long_name: measurement response for HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_spectra_residuals[ /observation_id= 0..5399] [ /spectra_wn= 0..840] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: difference between measured IASI spectra (source EUMETSAT L1C) and IASI spectra simulated by MUSICA IASI processor [nW/(sr*cm^2*cm-1)] (Type is String)
    • long_name: spectra residuals (Type is String)
    • units: nW cm-2 sr-1 (cm-1)-1 (Type is String)
    • coordinates: time lat lon (Type is String)
eumetsat_parameter_flag[ /observation_id= 0..5399] (Type is UInt16)
  • attributes
    • description: check that geophysical parameters from the EUMETSAT L2 PPF OEM retrieval are within bounds (Type is String)
    • long_name: EUMETSAT L2 geophysical parameter check (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
along_track[ /observation_id= 0..5399] (Type is UInt16)
  • attributes
    • description: along track satellite observation index (consistent to EUMETSAT netcdf files) (Type is String)
    • long_name: along track index (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_wv_xavkat_val[ /observation_id= 0..5399] [ /wv_xavkat_rank= 0..8] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: leading singular values of the cross averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: singular values of xavkat of WV state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_wvp_dofs[ /observation_id= 0..5399] [ /musica_species_id= 0..1] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: degrees of freedom for signal (trace of the averaging kernel matrix) for water vapour proxy species (state vector {0.5*(ln[H2O]+ln[HDO]),(ln[HDO]-ln[H2O])}) (Type is String)
    • long_name: dofs for WV proxy state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
instrument[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: 1: IASI-A; 2: IASI-B; 3: IASI-C (Type is String)
    • long_name: satellite instrument (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
across_track[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: across track satellite observation index (consistent to EUMETSAT netcdf files) (Type is String)
    • long_name: across track index (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_dofs[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: degrees of freedom for signal (trace of the averaging kernel matrix) for nitric acid (state vector {ln[HNO3]}) (Type is String)
    • long_name: dofs for HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_error[ /observation_id= 0..5399] [ /error_parameter= 0..2] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: error for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, i.e. relative error); parameter 1: sqrt of diagonal elements of uncertainty covariances due to retrieval fit noise\n parameter 2: sqrt of diagonal elements of uncertainty covariances due to IASI instrumental noise covariances (according to Pequignot et al., 2008)\n parameter 3: sqrt of diagonal elements of uncertainty covariances due to atmospheric temperature a priori uncertainty (depends strongly on assumed temperature a priori uncertainty covariances) (Type is String)
    • long_name: error for GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_ghg_response[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: measurement response (sum along the row of the averaging kernel matrix) for greenhouse gas species (state vector {ln[N2O],ln[CH4]}) (Type is String)
    • long_name: measurement response for GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
eumetsat_first_guess_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: indicates the kind of measurements used as the first guess (Type is String)
    • long_name: EUMETSAT L2 PPF first guess usage (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
altitude_tropopause_climatological[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: climatological tropopause altitude (period Jan./1990 - Dec./2014) obtained from CESM1 (WACCM) with specified dynamics (MERRA) [m a.s.l.] (Type is String)
    • long_name: climatological tropopause altitude (Type is String)
    • units: m (Type is String)
    • coordinates: time lat (Type is String)
musica_ghg_xavkat_rvec[ /observation_id= 0..5399] [ /ghg_xavkat_rank= 0..9] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: right leading singular vectors of the cross averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: right vectors of xavkat of GHG state (Type is String)
    • units: K-1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_ghg_resolution[ /observation_id= 0..5399] [ /resolution_parameter= 0..2] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: parameter for vertical representativeness for greenhouse gas species (state vector {ln[N2O],ln[CH4]}); parameter 1: centre (Eq. 3.24 of Rodgers 2000)\n parameter 2: resolving length (Eq. 3.23 and 3.24 of Rodgers, 2000)\n parameter 3: layer width per degree of freedom (Purser and Huang, 1993) (Type is String)
    • long_name: resolution parameter for GHG state (Type is String)
    • units: m (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_fit_quality[ /observation_id= 0..5399] [ /fit_quality_parameter= 0..2] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: RMS values of the residual of the spectral fit; parameter 1: RMS for the full residual\n parameter 2: RMS for the systematic residual (+/-2cm-1 running mean of the full residual)\n parameter 3: RMS for the random residual (residual that remains after removing the systematic residual from the full residual) (Type is String)
    • long_name: quality of spectral fit (Type is String)
    • units: nW cm-2 sr-1 (cm-1)-1 (Type is String)
    • coordinates: time lat lon (Type is String)
eumetsat_cloud_area_fraction[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: L2 cloud coverage (Type is String)
    • long_name: EUMETSAT L2 fractional cloud cover (Type is String)
    • standard_name: cloud_area_fraction (Type is String)
    • units: 1 (Type is String)
    • comment: corresponds to cloud formations index 1 of EUMETSAT L2 PPF variable fractional_cloud_cover, source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
musica_st[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: retrieved surface skin temperature [K] (Type is String)
    • long_name: retrieved surface skin temperature (Type is String)
    • units: K (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_avk_rank[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: rank (number of leading singular values) of the averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) (Type is String)
    • long_name: rank of avk of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_error[ /observation_id= 0..5399] [ /error_parameter= 0..2] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: error for nitric acid (state vector {ln[HNO3]}, i.e. relative error); parameter 1: sqrt of diagonal elements of uncertainty covariances due to retrieval fit noise\n parameter 2: sqrt of diagonal elements of uncertainty covariances due to IASI instrumental noise covariances (according to Pequignot et al., 2008)\n parameter 3: sqrt of diagonal elements of uncertainty covariances due to atmospheric temperature a priori uncertainty (depends strongly on assumed temperature a priori uncertainty covariances) (Type is String)
    • long_name: error for HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_st_apriori[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori surface skin temperature [K] (source: EUMETSAT L2) (Type is String)
    • long_name: a priori surface skin temperature (Type is String)
    • units: K (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: retrieved profiles of greenhouse gas species (state vector {[N2O],[CH4]}) as mixing ratios in ppmv (Type is String)
    • long_name: retrieved GHG state (Type is String)
    • units: 1e-6 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_hno3_xavkat_rank[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: rank (number of leading singular values) of the cross averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: rank of xavkat of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_at[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: retrieved atmospheric temperature [K] (Type is String)
    • long_name: retrieved AT state (Type is String)
    • units: K (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_fit_quality_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: 0:poor quality; 1:restricted quality; 2:fair quality; 3:good quality (Type is String)
    • long_name: Indicator for quality of spectral fit (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_xavkat_val[ /observation_id= 0..5399] [ /hno3_xavkat_rank= 0..5] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: leading singular values of the cross averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: singular values of xavkat of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_reg[ /observation_id= 0..5399] [ /regularisation_parameter= 0..2] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: regularisation parameter for greenhouse gas species (state vector {ln[N2O],ln[CH4]}); parameter 1: L0 coefficients\n parameter 2: L1 coefficients\n parameter 3: L2 coefficients (Type is String)
    • long_name: regularisation parameter for GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
eumetsat_h2o[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: EUMETSAT L2 PPF H2O profiles (state vector {[H2O]}) as mixing ratios in ppmv represented on altitude grid according to musica_altitude_levels (Type is String)
    • long_name: EUMETSAT L2 PPF H2O profiles (Type is String)
    • units: 1e-6 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wv[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: retrieved profiles of water vapour species (state vector {[H2O],[HDO]}) as mixing ratios in ppmv (Type is String)
    • long_name: retrieved WV state (Type is String)
    • units: 1e-6 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wvp_error[ /observation_id= 0..5399] [ /error_parameter= 0..2] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: error for water vapour proxy species (state vector {0.5*(ln[H2O]+ln[HDO]),(ln[HDO]-ln[H2O])}, i.e. relative error); parameter 1: sqrt of diagonal elements of uncertainty covariances due to retrieval fit noise\n parameter 2: sqrt of diagonal elements of uncertainty covariances due to IASI instrumental noise covariances (according to Pequignot et al., 2008)\n parameter 3: sqrt of diagonal elements of uncertainty covariances due to atmospheric temperature a priori uncertainty (depends strongly on assumed temperature a priori uncertainty covariances) (Type is String)
    • long_name: error for WV proxy state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_hno3_avk_lvec[ /observation_id= 0..5399] [ /hno3_avk_rank= 0..5] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: left leading singular vectors of the averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) (Type is String)
    • long_name: left vectors of avk of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
eumetsat_processor_major_version[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: L2 (EUMETSAT netcdf) processor major version (Type is String)
    • long_name: EUMETSAT L2 PPF major version number (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_apriori_amp[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori assumed amplitude of nitric acid variability (state vector {ln[HNO3]}) (Type is String)
    • long_name: a priori amplitude of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_at_apriori_amp[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori assumed amplitude of atmospheric temperature variability (state vector in K) (Type is String)
    • long_name: a priori amplitude of AT state (Type is String)
    • units: K (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_at_avk_val[ /observation_id= 0..5399] [ /at_avk_rank= 0..7] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: leading singular values of the averaging kernel for atmospheric temperature (state vector in K) (Type is String)
    • long_name: singular values of avk of AT state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_at_dofs[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: degrees of freedom for signal (trace of the averaging kernel matrix) for atmospheric temperature (state vector in K) (Type is String)
    • long_name: dofs for AT state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
eumetsat_cloud_test_flag[ /observation_id= 0..5399] (Type is UInt16)
  • attributes
    • description: Results of cloud test (Type is String)
    • long_name: EUMETSAT L2 cloud test (Type is String)
    • units: 1 (Type is String)
    • comment: only for EUMETSAT L2 PPF versions 4 and 5, source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_xavkat_rank[ /observation_id= 0..5399] (Type is Float32)
  • attributes
    • _FillValue: -127. (Type is Float32)
    • description: rank (number of leading singular values) of the cross averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: rank of xavkat of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3_xavkat_lvec[ /observation_id= 0..5399] [ /hno3_xavkat_rank= 0..5] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: left leading singular vectors of the cross averaging kernel for nitric acid (state vector {ln[HNO3]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: left vectors of xavkat of HNO3 state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
eumetsat_cloud_formation_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: origin of the characterisation of the cloud formations (Type is String)
    • long_name: EUMETSAT L2 cloud formations origin (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
musica_iterations[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: number of iterations needed for the retrieval process (Type is String)
    • long_name: number of iterations (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_ghg_apriori_amp[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori assumed amplitude of greenhouse gas species variability (state vector {ln[N2O],ln[CH4]}) (Type is String)
    • long_name: a priori amplitude of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wv_xavkat_lvec[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /wv_xavkat_rank= 0..8] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: left leading singular vectors of the cross averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) with respect to atmospheric temperature in K (Type is String)
    • long_name: left vectors of xavkat of WV state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_ghg_avk_rvec[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /ghg_avk_rank= 0..13] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: right leading singular vectors of the averaging kernel for greenhouse gas species (state vector {ln[N2O],ln[CH4]}, natural logarithm) (Type is String)
    • long_name: right vectors of avk of GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_ghg_dofs[ /observation_id= 0..5399] [ /musica_species_id= 0..1] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: degrees of freedom for signal (trace of the averaging kernel matrix) for greenhouse gas species (state vector {ln[N2O],ln[CH4]}) (Type is String)
    • long_name: dofs for GHG state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon (Type is String)
musica_at_avk_rvec[ /observation_id= 0..5399] [ /at_avk_rank= 0..7] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: right leading singular vectors of the averaging kernel atmospheric temperature (state vector in K) (Type is String)
    • long_name: right vectors of avk of AT state (Type is String)
    • units: K-1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
eumetsat_convergence_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: 0:OEM not attempted; 1:OEM aborted because first guess residuals too high; 2:The minimisation did not converge, sounding rejected; 3:The minimisation did not converge, sounding accepted; 4:The minimisation converged but sounding rejected; 5:The minimisation converged, sounding accepted (Type is String)
    • long_name: EUMETSAT L2 PPF OEM convergence (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
eumetsat_cloud_summary_flag[ /observation_id= 0..5399] (Type is Byte)
  • attributes
    • description: 1:The IASI IFOV is clear; 2:The IASI IFOV is processed as cloud-free but small cloud contamination possible; 3:The IASI IFOV is partially covered by clouds; 4:High or full cloud coverage (Type is String)
    • long_name: EUMETSAT L2 cloudiness assessment summary (Type is String)
    • units: 1 (Type is String)
    • comment: source: EUMETSAT L2 netcdf file (Type is String)
    • coordinates: time lat lon (Type is String)
musica_hno3[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: retrieved profiles of nitric acid ([HNO3]) as mixing ratios in ppmv (Type is String)
    • long_name: retrieved HNO3 state (Type is String)
    • units: 1e-6 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_wv_avk_lvec[ /observation_id= 0..5399] [ /musica_species_id= 0..1] [ /wv_avk_rank= 0..16] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: left leading singular vectors of the averaging kernel for water vapour species (state vector {ln[H2O],ln[HDO]}, natural logarithm) (Type is String)
    • long_name: left vectors of avk of WV state (Type is String)
    • units: 1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
musica_apriori_cl[ /observation_id= 0..5399] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: a priori assumed vertical correlation length for atmospheric variability (Type is String)
    • long_name: a priori vertical correlation length (Type is String)
    • units: m (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
time_local_solar[ /observation_id= 0..5399] (Type is Float64)
  • attributes
    • _FillValue: -2147483647. (Type is Float64)
    • description: local solar time (considering eccentricity of the orbit of the Earth) given in seconds relative to solar noon (Type is String)
    • long_name: local solar time (Type is String)
    • units: s (Type is String)
    • coordinates: time lat lon (Type is String)
musica_at_reg[ /observation_id= 0..5399] [ /regularisation_parameter= 0..2] [ /atmospheric_levels= 0..28] (Type is Float32)
  • attributes
    • _FillValue: 9.969209968e+36 (Type is Float32)
    • description: regularisation parameter for atmospheric temperature (state vector in K); parameter 1: L0 coefficients\n parameter 2: L1 coefficients\n parameter 3: L2 coefficients (Type is String)
    • long_name: regularisation parameter for AT state (Type is String)
    • units: K-1 (Type is String)
    • coordinates: time lat lon musica_altitude_levels (Type is String)
debug
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