Dataset Information

title: Surface reflectance parameters derived from NOAA-16 GAC data for day 2001/124
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: 2001-05-04T00:00:00Z
time_coverage_end: 2001-05-04T23:59:00Z
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.D01123.S2348.E0124.B0316768.GC, NSS.GHRR.NL.D01124.S0118.E0312.B0316869.WI, NSS.GHRR.NL.D01124.S0308.E0502.B0316970.WI, NSS.GHRR.NL.D01124.S0458.E0650.B0317071.WI, NSS.GHRR.NL.D01124.S0645.E0839.B0317172.GC, NSS.GHRR.NL.D01124.S0835.E1008.B0317273.GC, NSS.GHRR.NL.D01124.S1002.E1148.B0317374.GC, NSS.GHRR.NL.D01124.S1143.E1338.B0317475.GC, NSS.GHRR.NL.D01124.S1334.E1510.B0317576.GC, NSS.GHRR.NL.D01124.S1505.E1659.B0317677.WI, NSS.GHRR.NL.D01124.S1654.E1816.B0317778.GC, NSS.GHRR.NL.D01124.S1811.E2005.B0317779.GC, NSS.GHRR.NL.D01124.S2000.E2150.B0317980.GC, NSS.GHRR.NL.D01124.S2144.E2339.B0318081.GC, NSS.GHRR.NL.D01124.S2334.E0113.B0318182.GC, NCEP_REANALYSIS_SURFACE_2001124.hdf, NCEP_REANALYSIS_SURFACE_2001124.hdf, TOMS_2001124.hdf, GLOBAL_LAND_SEA.4KM, NOAA-16.OLE.txt
date_created: 2017-06-08T21:37:02Z
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 124 to 124, 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: 2017-06-08T21:37:02.000000Z
grid_mapping_name: latitude_longitude
LocalGranuleId: AVHRR-Land_v005_AVH09C1_NOAA-16_20010504_c20170608213702.nc
id: AVHRR-Land_v005_AVH09C1_NOAA-16_20010504_c20170608213702.nc
RangeBeginningDate: 2001-124
RangeBeginningTime: 00:00:00.0000
RangeEndingDate: 2001-124
RangeEndingTime: 23:59:59.9999
PercentMissingData: 13.36
PercentValidDaytimeData: 27.20
PercentValidDaytimeLand: 27.20
PercentValidClearDaytimeLand: 5.85
PercentValidDaytimeLandInCloudShadow: 1.09
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_20010504_c20170608213702.nc
VersionId: 3.5.45
ProductionTime: 2017-06-08T21:37:02.000000Z


Variables in this Dataset

latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
lat_bnds: Array of 32 bit Reals [latitude = 0..3599][nv = 0..1]
lon_bnds: Array of 32 bit Reals [longitude = 0..7199][nv = 0..1]
SREFL_CH1: Grid
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_CH1: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
SREFL_CH2: Grid
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
SREFL_CH2: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
BT_CH3: Grid
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_CH3: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
BT_CH4: Grid
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_CH4: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
BT_CH5: Grid
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
BT_CH5: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
SREFL_CH3: Grid
scale_factor: 0.0001000000000000000
add_offset: 0.000000000000000
long_name: Surface Reflectance at 3.75 microns
units: 1
valid_range: -1000, 10000
_FillValue: -9999
SREFL_CH3: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
scale_factor: 0.0001000000000000000
add_offset: 0.000000000000000
long_name: Surface Reflectance at 3.75 microns
units: 1
valid_range: -1000, 10000
_FillValue: -9999
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
SZEN: Grid
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
SZEN: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
VZEN: Grid
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
VZEN: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
RELAZ: Grid
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
RELAZ: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
TIMEOFDAY: Grid
scale_factor: 0.01000000000000000
add_offset: 0.000000000000000
long_name: Time since Start of Data Day
units: hours since 2001-05-04 00:00:00
valid_range: 0, 2399
_FillValue: -9999
TIMEOFDAY: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
scale_factor: 0.01000000000000000
add_offset: 0.000000000000000
long_name: Time since Start of Data Day
units: hours since 2001-05-04 00:00:00
valid_range: 0, 2399
_FillValue: -9999
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds
QA: Grid
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);
QA: Array of 16 bit Integers [time = 0..0][latitude = 0..3599][longitude = 0..7199]
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);
time: Array of 32 bit Reals [time = 0..0]
units: days since 1981-01-01 00:00:00
long_name: time
axis: T
standard_name: time
calendar: gregorian
latitude: Array of 32 bit Reals [latitude = 0..3599]
units: degrees_north
long_name: latitude
axis: Y
standard_name: latitude
bounds: lat_bnds
longitude: Array of 32 bit Reals [longitude = 0..7199]
units: degrees_east
long_name: longitude
axis: X
standard_name: longitude
bounds: lon_bnds