Attributes { latitude { String units "degrees_north"; String long_name "latitude"; String axis "Y"; String standard_name "latitude"; String bounds "lat_bnds"; } longitude { String units "degrees_east"; String long_name "longitude"; String axis "X"; String standard_name "longitude"; String bounds "lon_bnds"; } time { String units "days since 1981-01-01 00:00:00"; String long_name "time"; String axis "T"; String standard_name "time"; String calendar "gregorian"; } lat_bnds { } lon_bnds { } SREFL_CH1 { Float64 scale_factor 0.0001000000000000000; Float64 add_offset 0.000000000000000; String long_name "NOAA Climate Data Record of Surface Reflectance at 640 nm"; String units "1"; Int16 valid_range -1000, 10000; Int16 _FillValue -9999; String standard_name "surface_bidirectional_reflectance"; } SREFL_CH2 { Float64 scale_factor 0.0001000000000000000; Float64 add_offset 0.000000000000000; String long_name "NOAA Climate Data Record of Surface Reflectance at 860 nm"; String units "1"; Int16 valid_range -1000, 10000; Int16 _FillValue -9999; String standard_name "surface_bidirectional_reflectance"; } BT_CH3 { Float64 scale_factor 0.1000000000000000; Float64 add_offset 0.000000000000000; String long_name "Brightness Temperature at 3.75 microns"; String units "Kelvin"; Int16 valid_range 0, 4000; Int16 _FillValue -9999; String standard_name "toa_brightness_temperature"; } BT_CH4 { Float64 scale_factor 0.1000000000000000; Float64 add_offset 0.000000000000000; String long_name "Brightness Temperature at 11.0 microns"; String units "Kelvin"; Int16 valid_range 0, 4000; Int16 _FillValue -9999; String standard_name "toa_brightness_temperature"; } BT_CH5 { Float64 scale_factor 0.1000000000000000; Float64 add_offset 0.000000000000000; String long_name "Brightness Temperature at 12.0 microns"; String units "Kelvin"; Int16 valid_range 0, 4000; Int16 _FillValue -9999; String standard_name "toa_brightness_temperature"; } SREFL_CH3 { Float64 scale_factor 0.0001000000000000000; Float64 add_offset 0.000000000000000; String long_name "Surface Reflectance at 3.75 microns"; String units "1"; Int16 valid_range -1000, 10000; Int16 _FillValue -9999; } SZEN { Float64 scale_factor 0.01000000000000000; Float64 add_offset 0.000000000000000; String long_name "Solar Zenith Angle"; String units "degrees"; Int16 valid_range -9000, 9000; Int16 _FillValue -9999; String standard_name "solar_zenith_angle"; } VZEN { Float64 scale_factor 0.01000000000000000; Float64 add_offset 0.000000000000000; String long_name "View Zenith Angle"; String units "degrees"; Int16 valid_range -7000, 7000; Int16 _FillValue -9999; String standard_name "sensor_zenith_angle"; } RELAZ { Float64 scale_factor 0.01000000000000000; Float64 add_offset 0.000000000000000; String long_name "Relative Azimuth"; String units "degrees"; Int16 valid_range -18000, 18000; Int16 _FillValue -18100; String standard_name "relative_sensor_azimuth_angle"; } TIMEOFDAY { Float64 scale_factor 0.01000000000000000; Float64 add_offset 0.000000000000000; String long_name "Time since Start of Data Day"; String units "hours since 2002-07-17 00:00:00"; Int16 valid_range 0, 2399; Int16 _FillValue -9999; } QA { Int16 flag_masks 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, -32768; String flag_meanings "cloudy cloud_shadow water sunglint dense_dark_vegetation night ch1_to_5_valid ch1_invalid ch2_invalid ch3_invalid ch4_invalid ch5_invalid rho3_invalid BRDF_corr_problem polar_flag"; String long_name "Quality Control"; String QA_index " Bits are listed from the MSB (bit 15) to the LSB (bit 0): Bit Description 15 polar flag (latitude over/under +/-60 degrees (land) or +/-50 degrees (ocean)); 1 -- yes 0 -- no 14 BRDF corrected; 1 -- yes 0 -- no 13 RHO3 value is invalid; 1 -- yes 0 -- no 12 Channel 5 value is invalid; 1 -- yes 0 -- no 11 Channel 4 value is invalid; 1 -- yes 0 -- no 10 Channel 3 value is invalid; 1 -- yes 0 -- no 9 Channel 2 value is invalid; 1 -- yes 0 -- no 8 Channel 1 value is invalid; 1 -- yes 0 -- no 7 Channels 1 - 5 are valid; 1 -- yes 0 -- no 6 Pixel is at night (high solar zenith); 1 -- yes 0 -- no 5 Pixel is over dense dark vegetation; 1 -- yes 0 -- no 4 Pixel is over sunglint; 1 -- yes 0 -- no 3 Pixel is over water; 1 -- yes 0 -- no 2 Pixel contains cloud shadow; 1 -- yes 0 -- no 1 Pixel is cloudy; 1 -- yes 0 -- no 0 (unused); "; } NC_GLOBAL { String title "Surface reflectance parameters derived from NOAA-16 GAC data for day 2002/198"; String institution "NASA/GSFC/SED/ESD/HBSL/TIS/MODIS-LAND > MODIS Land Science Team, Terrestrial Information Systems, Hydrospheric and Biospheric Science Laboratory, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA"; String Conventions "CF-1.6"; String Metadata_Conventions "CF-1.6, Unidata Dataset Discovery v1.0"; String standard_name_vocabulary "CF Standard Name Table (v25, 05 July 2013)"; String naming_authority "gov.noaa.ncdc"; String license "No constraints on data access or use"; String cdm_data_type "Grid"; String time_coverage_start "2002-07-17T00:00:00Z"; String time_coverage_end "2002-07-17T23:59:00Z"; String product_version "v5r0"; String platform "NOAA-16 > National Oceanic & Atmospheric Administration-16"; String sensor "AVHRR > Advanced Very High Resolution Radiometer"; String keywords_vocabulary "NASA Global Change Master Directory (GCMD) Earth Science Keywords, Version 8.0"; String keywords "EARTH SCIENCE > LAND SURFACE > SURFACE RADIATIVE PROPERTIES > REFLECTANCE, EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION > REFLECTANCE, EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > BRIGHTNESS TEMPERATURE, EARTH SCIENCE > SPECTRAL/ENGINEERING > SENSOR CHARACTERISTICS > VIEWING GEOMETRY"; String source "NSS.GHRR.NL.D02197.S2232.E0013.B0935960.GC, NSS.GHRR.NL.D02198.S0009.E0202.B0936061.WI, NSS.GHRR.NL.D02198.S0159.E0351.B0936162.WI, NSS.GHRR.NL.D02198.S0348.E0541.B0936263.WI, NSS.GHRR.NL.D02198.S0536.E0723.B0936364.WI, NSS.GHRR.NL.D02198.S0717.E0912.B0936465.GC, NSS.GHRR.NL.D02198.S0907.E1040.B0936566.GC, NSS.GHRR.NL.D02198.S1035.E1221.B0936667.GC, NSS.GHRR.NL.D02198.S1217.E1402.B0936768.GC, NSS.GHRR.NL.D02198.S1357.E1542.B0936869.GC, NSS.GHRR.NL.D02198.S1538.E1708.B0936970.WI, NSS.GHRR.NL.D02198.S1704.E1848.B0937071.WI, NSS.GHRR.NL.D02198.S1843.E2037.B0937072.GC, NSS.GHRR.NL.D02198.S2032.E2226.B0937273.GC, NSS.GHRR.NL.D02198.S2221.E0002.B0937374.GC, NSS.GHRR.NL.D02198.S2359.E0151.B0937475.WI, NCEP_REANALYSIS_SURFACE_2002198.hdf, NCEP_REANALYSIS_SURFACE_2002198.hdf, TOMS_2002198.hdf, GLOBAL_LAND_SEA.4KM, NOAA-16.OLE.txt"; String date_created "2017-03-21T20:23:32Z"; String spatial_resolution "0.050000 degrees per pixel"; Float32 geospatial_lat_min -90.0000000; Float32 geospatial_lat_max 90.0000000; Float32 geospatial_lon_min -180.000000; Float32 geospatial_lon_max 180.000000; String metadata_link "gov.noaa.ncdc:C00811"; String cdr_program "NOAA Climate Data Record Program for satellites"; String cdr_variable "SREFL_CH1, SREFL_CH2"; String Process "LTDR_GAPS"; String PostProcessingVersion "2.5"; String PFIIVersion "3.5.45"; String Satellite "NOAA-16"; String Instrument "AVHRR"; String InputDataType "GAC"; String summary "AVHRR GAC data from NOAA-16 for 2002, days 198 to 198, processed by the Long-Term Land Data Record (LTDR) project (v3.5.45) into surface bidirectional reflectance (SREFL_CH1, SREFL_CH2), brightness temperatures and quality-control flags."; String ProductionDate "2017-03-21T20:23:32.000000Z"; String grid_mapping_name "latitude_longitude"; String LocalGranuleId "AVHRR-Land_v005_AVH09C1_NOAA-16_20020717_c20170321202332.nc"; String id "AVHRR-Land_v005_AVH09C1_NOAA-16_20020717_c20170321202332.nc"; String RangeBeginningDate "2002-198"; String RangeBeginningTime "00:00:00.0000"; String RangeEndingDate "2002-198"; String RangeEndingTime "23:59:59.9999"; String PercentMissingData "16.48"; String PercentValidDaytimeData "27.98"; String PercentValidDaytimeLand "27.98"; String PercentValidClearDaytimeLand "7.75"; String PercentValidDaytimeLandInCloudShadow "1.38"; String PercentValidClearDaytimeWater "0.00"; String PercentValidDaytimeWaterInCloudShadow "0.00"; String ESDT "N16_AVH09C1_NC"; String LongName "NOAA-16 AVHRR Atmospherically Corrected Surface Reflectance Daily L3 Global 0.05 Deg CMG NetCDF"; String identifier_product_doi "10.5067/AVHRR/N16_AVH09C1_NC.005"; String identifier_product_doi_authority "https://www.doi.org"; String ShortName "N16_AVH09C1_NC"; String LocalGranuleID "AVHRR-Land_v005_AVH09C1_NOAA-16_20020717_c20170321202332.nc"; String VersionId "3.5.45"; String ProductionTime "2017-03-21T20:23:32.000000Z"; } }