HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.6"
	attribute cdm_data_type = "swath"
	attribute cell = 106574
	attribute creator_URL = "http://proj.badc.rl.ac.uk/orac"
	attribute creator_email = "gareth.thomas@stfc.ac.uk"
	attribute creator_name = "Atmospheric Oceanic and Planetary Physics, University of Oxford and STFC RAL Space"
	attribute date_created = "20160924T211258Z"
	attribute geospatial_lat_max = 74.7305374
	attribute geospatial_lat_min = -83.8023987
	attribute geospatial_lon_max = 179.993912
	attribute geospatial_lon_min = -999.0
	attribute history = "20160924134533 - Product generated from ORAC Revision: 4401. Data version AATSR L1b ver. 6.05"
	attribute id = "20111107121336-ESACCI-L2P_AEROSOL-AER_PRODUCTS-AATSR-ENVISAT-ORAC_50669-fv04.01.nc"
	attribute inputFileList = "ATS_TOA_1PUUPA20111107_121336_000065273108_00224_50669_4632.N1"
	attribute institute = "Rutherford Appleton Laboratory"
	attribute keywords = "satellite,observation,atmosphere"
	attribute keywords_vocabulary = "NASA  Global  Change  Master  Directory  (GCMD)  Science  Keywords"
	attribute license = "ESA CCI Data Policy: free and open access"
	attribute naming authority = "uk.ac.stfc"
	attribute platform = "ENVISAT"
	attribute product_version = "04.01"
	attribute project = "Climate Change Initiative - European Space Agency"
	attribute projection = "Sinusoidal [Neq = 4008]"
	attribute references = "ftp://ftp.rsg.rl.ac.uk/aerosol_cci/Aerosol_cci_ORAC_ATBD_v2.0.pdf"
	attribute resolution = "10x10 km"
	attribute sensor = "AATSR"
	attribute source = "AATSR L1b ver. 6.05"
	attribute standard_name_vocabulary = "NetCDF  Climate  and  Forecast  (CF)  Metadata  Convention  version  18"
	attribute summary = "This dataset contains level-2 aerosol properties products from satellite observations"
	attribute time_coverage_duration = "PT50M07S"
	attribute time_coverage_end = "20111107T133040Z"
	attribute time_coverage_resolution = "undefined"
	attribute time_coverage_start = "20111107T124552Z"
	attribute title = "ORAC aerosol product L2P"
	attribute tracking_id = "8b1e229e-1c1c-466a-bbd3-0d77498c92cd"
dataset /AAOD550: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "aerosol absorption optical thickness at 550 nm"
	attribute units = "1"
	attribute valid_range = 0.00999999978, 5.01186991
dataset /ANG550_870: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "aerosol Angstrom exponent between 550 and 870 nm"
	attribute standard_name = "angstrom_exponent_of_ambient_aerosol_in_air"
	attribute units = "1"
	attribute valid_range = 0.0, 4.0
dataset /AOD1600: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "aerosol optical thickness at 1600 nm"
	attribute standard_name = "atmosphere_optical_thickness_due_to_aerosol"
	attribute units = "1"
	attribute valid_range = 0.00999999978, 5.01186991
dataset /AOD550: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "aerosol optical thickness at 550 nm"
	attribute standard_name = "atmosphere_optical_thickness_due_to_aerosol"
	attribute units = "1"
	attribute valid_range = 0.00999999978, 5.01186991
dataset /AOD550_uncertainty: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Uncertainty on AOT at 550 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1000.0
dataset /AOD670: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "aerosol optical thickness at 670 nm"
	attribute standard_name = "atmosphere_optical_thickness_due_to_aerosol"
	attribute units = "1"
	attribute valid_range = 0.00999999978, 5.01186991
dataset /AOD870: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "aerosol optical thickness at 870 nm"
	attribute standard_name = "atmosphere_optical_thickness_due_to_aerosol"
	attribute units = "1"
	attribute valid_range = 0.00999999978, 5.01186991
dataset /AOD870_uncertainty: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Uncertainty on AOT at 870 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1000.0
dataset /D_AOD550: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "dust aerosol optical thickness at 550 nm"
	attribute units = "1"
	attribute valid_range = 0.00999999978, 5.01186991
dataset /FM_AOD550: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "fine-mode aerosol optical thickness at 550 nm"
	attribute units = "1"
	attribute valid_range = 0.00999999978, 5.01186991
dataset /REFF: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "aerosol effective radius"
	attribute units = "microns"
	attribute valid_range = 0.00999999978, 10.0
dataset /REFF_uncertainty: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Uncertainty on aerosol effective radius"
	attribute units = "microns"
	attribute valid_range = 0.0, 1000.0
dataset /aerosol_type: int8, shape (106574)
	attribute _FillValue = -1
	attribute coordinates = "latitude longitude time"
	attribute flag_meanings = "A70 A71 A72 A73 A74 A75 A76 A77 A78 A79"
	attribute flag_values = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
	attribute info = "Best aerosol type, based on retrieval cost"
	attribute long_name = "Best-guess aerosol type"
	attribute units = "1"
	attribute valid_range = 0, 9
dataset /cloud_fraction: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Cloud fraction"
	attribute standard_name = "cloud_area_fraction"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /data_count: int16, shape (106574)
	attribute _FillValue = -999
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Number of 1km retrievals within 10km grid cell"
	attribute units = "1"
	attribute valid_range = 0, 110
dataset /fit_error: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Cost function at solution"
	attribute units = "1"
	attribute valid_range = 0.0, 100000.0
dataset /instrument_view: int32, shape (2)
	attribute flag_meanings = "nadir forward"
	attribute flag_values = 0, 1
	attribute long_name = "Instrument view"
	attribute units = "1"
	attribute valid_range = 0, 1
dataset /iterations: int16, shape (106574)
	attribute _FillValue = -999
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Retrieval iterations"
	attribute units = "1"
	attribute valid_range = -1, 24
dataset /latitude: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute long_name = "Latitude at pixel centre"
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
	attribute valid_range = -90.0, 90.0
dataset /longitude: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute long_name = "Longitude at pixel centre"
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
	attribute valid_range = -180.0, 180.0
dataset /pixel_count: int16, shape (106574)
	attribute _FillValue = -999
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Number of level 1 pixels within 10km grid cell"
	attribute units = "1"
	attribute valid_range = 0, 110
dataset /pixel_number: int32, shape (106574)
	attribute long_name = "Sinusoidal pixel index"
	attribute units = "1"
	attribute valid_range = 0, 106573
dataset /quality_flag: int16, shape (106574)
	attribute _FillValue = -999
	attribute coordinates = "latitude longitude time"
	attribute flag_masks = 1, 2, 4
	attribute flag_meanings = "retrieval_is_good ndata_less_than_5 st-dev_of_AOD550_greater_than_50%"
	attribute long_name = "Quality check results"
	attribute units = "1"
	attribute valid_range = 0, 1023
dataset /relative_azimuth_at_center: float32, shape (2, 106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Relative azimuth angle"
	attribute units = "degrees"
	attribute valid_range = 0.0, 180.0
dataset /satellite_zenith_at_center: float32, shape (2, 106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Satellite zenith angle"
	attribute standard_name = "zenith_angle"
	attribute units = "degrees"
	attribute valid_range = 0.0, 90.0
dataset /sun_zenith_at_center: float32, shape (2, 106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Solar zenith angle"
	attribute standard_name = "solar_zenith_angle"
	attribute units = "degrees"
	attribute valid_range = 0.0, 90.0
dataset /surface_reflectance1600: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Surface bihemispherical reflectance at 1600 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_reflectance1600_uncertainty: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Uncertainty on surface reflectance at 1600 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_reflectance550: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Surface bihemispherical reflectance at 550 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_reflectance550_uncertainty: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Uncertainty on surface reflectance at 550 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_reflectance670: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Surface bihemispherical reflectance at 670 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_reflectance670_uncertainty: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Uncertainty on surface reflectance at 670nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_reflectance870: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Surface bihemispherical reflectance at 870 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_reflectance870_uncertainty: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Uncertainty on surface reflectance at 870 nm"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /surface_type_number: float32, shape (106574)
	attribute _FillValue = -999.0
	attribute coordinates = "latitude longitude time"
	attribute long_name = "Land fraction"
	attribute standard_name = "land_area_fraction"
	attribute units = "1"
	attribute valid_range = 0.0, 1.0
dataset /time: int32, shape (106574)
	attribute _FillValue = -999
	attribute info = "Seconds since 1970-01-01 00:00:00 UTC"
	attribute long_name = "TAI70 time"
	attribute standard_name = "time"
	attribute units = "seconds"
	attribute valid_range = 1, 2147483647