DAP4 Data Request Form AVHRR-Land_v005_AVH09C1_NOAA-16_20010120_c20170608162614.nc
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dataset: AVHRR-Land_v005_AVH09C1_NOAA-16_20010120_c20170608162614.nc

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Global Attributes
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      • NC_GLOBAL
        • title: Surface reflectance parameters derived from NOAA-16 GAC data for day 2001/020
        • 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
        • Conventions: CF-1.6
        • Metadata_Conventions: CF-1.6, Unidata Dataset Discovery v1.0
        • standard_name_vocabulary: CF Standard Name Table (v25, 05 July 2013)
        • naming_authority: gov.noaa.ncdc
        • license: No constraints on data access or use
        • cdm_data_type: Grid
        • time_coverage_start: 2001-01-20T00:00:00Z
        • time_coverage_end: 2001-01-20T23:59:00Z
        • product_version: v5r0
        • platform: NOAA-16 > National Oceanic & Atmospheric Administration-16
        • sensor: AVHRR > Advanced Very High Resolution Radiometer
        • keywords_vocabulary: NASA Global Change Master Directory (GCMD) Earth Science Keywords, Version 8.0
        • 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
        • source: NSS.GHRR.NL.D01019.S2312.E0053.B0170001.GC, NSS.GHRR.NL.D01020.S0049.E0242.B0170102.WI, NSS.GHRR.NL.D01020.S0238.E0432.B0170203.WI, NSS.GHRR.NL.D01020.S0428.E0621.B0170304.WI, NSS.GHRR.NL.D01020.S0616.E0802.B0170405.WI, NSS.GHRR.NL.D01020.S0757.E0951.B0170506.GC, NSS.GHRR.NL.D01020.S0947.E1119.B0170607.GC, NSS.GHRR.NL.D01020.S1115.E1301.B0170708.GC, NSS.GHRR.NL.D01020.S1255.E1450.B0170809.WI, NSS.GHRR.NL.D01020.S1445.E1639.B0170910.WI, NSS.GHRR.NL.D01020.S1634.E1747.B0171011.WI, NSS.GHRR.NL.D01020.S1741.E1928.B0171012.WI, NSS.GHRR.NL.D01020.S1923.E2117.B0171113.GC, NSS.GHRR.NL.D01020.S2112.E2300.B0171314.GC, NSS.GHRR.NL.D01020.S2254.E0043.B0171415.GC, NCEP_REANALYSIS_SURFACE_2001020.hdf, NCEP_REANALYSIS_SURFACE_2001020.hdf, TOMS_2001020.hdf, GLOBAL_LAND_SEA.4KM, NOAA-16.OLE.txt
        • date_created: 2017-06-08T16:26:14Z
        • spatial_resolution: 0.050000 degrees per pixel
        • geospatial_lat_min: -90.0000000
        • geospatial_lat_max: 90.0000000
        • geospatial_lon_min: -180.000000
        • geospatial_lon_max: 180.000000
        • metadata_link: gov.noaa.ncdc:C00811
        • cdr_program: NOAA Climate Data Record Program for satellites
        • cdr_variable: SREFL_CH1, SREFL_CH2
        • Process: LTDR_GAPS
        • PostProcessingVersion: 2.5
        • PFIIVersion: 3.5.45
        • Satellite: NOAA-16
        • Instrument: AVHRR
        • InputDataType: GAC
        • summary: AVHRR GAC data from NOAA-16 for 2001, days 20 to 20, 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.
        • ProductionDate: 2017-06-08T16:26:14.000000Z
        • grid_mapping_name: latitude_longitude
        • LocalGranuleId: AVHRR-Land_v005_AVH09C1_NOAA-16_20010120_c20170608162614.nc
        • id: AVHRR-Land_v005_AVH09C1_NOAA-16_20010120_c20170608162614.nc
        • RangeBeginningDate: 2001-020
        • RangeBeginningTime: 00:00:00.0000
        • RangeEndingDate: 2001-020
        • RangeEndingTime: 23:59:59.9999
        • PercentMissingData: 14.54
        • PercentValidDaytimeData: 34.54
        • PercentValidDaytimeLand: 34.54
        • PercentValidClearDaytimeLand: 4.57
        • PercentValidDaytimeLandInCloudShadow: 0.73
        • PercentValidClearDaytimeWater: 0.00
        • PercentValidDaytimeWaterInCloudShadow: 0.00
        • ESDT: N16_AVH09C1_NC
        • LongName: NOAA-16 AVHRR Atmospherically Corrected Surface Reflectance Daily L3 Global 0.05 Deg CMG NetCDF
        • identifier_product_doi: 10.5067/AVHRR/N16_AVH09C1_NC.005
        • identifier_product_doi_authority: https://www.doi.org
        • ShortName: N16_AVH09C1_NC
        • LocalGranuleID: AVHRR-Land_v005_AVH09C1_NOAA-16_20010120_c20170608162614.nc
        • VersionId: 3.5.45
        • ProductionTime: 2017-06-08T16:26:14.000000Z
Global Dimensions
[ /latitude = 0..3599 ] [ /longitude = 0..7199 ] [ /time = 0..0 ] [ /nv = 0..1 ]
Variables
latitude[ /latitude= 0..3599] (Type is Float32)
  • attributes
    • units: degrees_north
    • long_name: latitude
    • axis: Y
    • standard_name: latitude
    • bounds: lat_bnds
longitude[ /longitude= 0..7199] (Type is Float32)
  • attributes
    • units: degrees_east
    • long_name: longitude
    • axis: X
    • standard_name: longitude
    • bounds: lon_bnds
time[ /time= 0..0] (Type is Float32)
  • attributes
    • units: days since 1981-01-01 00:00:00
    • long_name: time
    • axis: T
    • standard_name: time
    • calendar: gregorian
lat_bnds[ /latitude= 0..3599] [ /nv= 0..1] (Type is Float32)
no attributes
lon_bnds[ /longitude= 0..7199] [ /nv= 0..1] (Type is Float32)
no attributes
SREFL_CH1[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.0001000000000000000
    • add_offset: 0.000000000000000
    • long_name: NOAA Climate Data Record of Surface Reflectance at 640 nm
    • units: 1
    • valid_range: -1000, 10000
    • _FillValue: -9999
    • standard_name: surface_bidirectional_reflectance
SREFL_CH2[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.0001000000000000000
    • add_offset: 0.000000000000000
    • long_name: NOAA Climate Data Record of Surface Reflectance at 860 nm
    • units: 1
    • valid_range: -1000, 10000
    • _FillValue: -9999
    • standard_name: surface_bidirectional_reflectance
BT_CH3[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.1000000000000000
    • add_offset: 0.000000000000000
    • long_name: Brightness Temperature at 3.75 microns
    • units: Kelvin
    • valid_range: 0, 4000
    • _FillValue: -9999
    • standard_name: toa_brightness_temperature
BT_CH4[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.1000000000000000
    • add_offset: 0.000000000000000
    • long_name: Brightness Temperature at 11.0 microns
    • units: Kelvin
    • valid_range: 0, 4000
    • _FillValue: -9999
    • standard_name: toa_brightness_temperature
BT_CH5[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.1000000000000000
    • add_offset: 0.000000000000000
    • long_name: Brightness Temperature at 12.0 microns
    • units: Kelvin
    • valid_range: 0, 4000
    • _FillValue: -9999
    • standard_name: toa_brightness_temperature
SREFL_CH3[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.0001000000000000000
    • add_offset: 0.000000000000000
    • long_name: Surface Reflectance at 3.75 microns
    • units: 1
    • valid_range: -1000, 10000
    • _FillValue: -9999
SZEN[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.01000000000000000
    • add_offset: 0.000000000000000
    • long_name: Solar Zenith Angle
    • units: degrees
    • valid_range: -9000, 9000
    • _FillValue: -9999
    • standard_name: solar_zenith_angle
VZEN[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.01000000000000000
    • add_offset: 0.000000000000000
    • long_name: View Zenith Angle
    • units: degrees
    • valid_range: -7000, 7000
    • _FillValue: -9999
    • standard_name: sensor_zenith_angle
RELAZ[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.01000000000000000
    • add_offset: 0.000000000000000
    • long_name: Relative Azimuth
    • units: degrees
    • valid_range: -18000, 18000
    • _FillValue: -18100
    • standard_name: relative_sensor_azimuth_angle
TIMEOFDAY[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • scale_factor: 0.01000000000000000
    • add_offset: 0.000000000000000
    • long_name: Time since Start of Data Day
    • units: hours since 2001-01-20 00:00:00
    • valid_range: 0, 2399
    • _FillValue: -9999
QA[ /time= 0..0] [ /latitude= 0..3599] [ /longitude= 0..7199] (Type is Int16)
  • attributes
    • flag_masks: 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, -32768
    • 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
    • long_name: Quality Control
    • 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);
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