VNP43IA2: BRDF/Albedo Quality Daily L3 Global 500m SIN Grid

NOAA/VIIRS/001/VNP43IA2
Dataset Availability
2012-01-17T00:00:00Z–2024-05-16T00:00:00Z
Dataset Provider
Earth Engine Snippet
ee.ImageCollection("NOAA/VIIRS/001/VNP43IA2")
Tags
land nasa noaa surface viirs

Description

The Suomi National Polar-Orbiting Partnership (Suomi NPP) NASA Visible Infrared Imaging Radiometer Suite (VIIRS) Bidirectional Reflectance Distribution Function (BRDF) and Albedo Quality (VNP43IA2) Version 1 product provides BRDF and Albedo quality at 500m resolution. The VNP43IA2 product is produced daily using 16 days of VIIRS data and is weighted temporally to the ninth day, which is reflected in the file name. The VNP43IA2 product provides information regarding band quality and days of valid observation within a 16-day period for the VIIRS imagery bands. The VNP43 data products are designed to promote the continuity of NASA's Moderate Resolution Imaging Spectroradiometer (MODIS) BRDF/Albedo data product suite.

Documentation:

Bands

Resolution
500 meters

Bands

Name Units Description
BRDF_Albedo_Band_Quality_I1

BRDF inversion information I1

BRDF_Albedo_Band_Quality_I2

BRDF inversion information I2

BRDF_Albedo_Band_Quality_I3

BRDF inversion information I3

BRDF_Albedo_LandWaterType

Land/Water type

BRDF_Albedo_LocalSolarNoon deg

Solar zenith angle at local solar noon

BRDF_Albedo_Platform

Platform name

BRDF_Albedo_Uncertainty

Weight of Determination (WoD) of WSA

BRDF_Albedo_ValidObs_I1 d

Days of valid observation within 16-day period for band I1

BRDF_Albedo_ValidObs_I2 d

Days of valid observation within 16-day period for band I2

BRDF_Albedo_ValidObs_I3 d

Days of valid observation within 16-day period for band I3

Snow_BRDF_Albedo

Snow flag

BRDF_Albedo_Band_Quality_I1 Class Table

Value Color Description
0 best quality, full inversion (WoDs, RMSE majority good)
1 good quality, full inversion
2 Magnitude inversion (numobs ≥ 7)
3 Magnitude inversion (numobs ≥ 2 & 7)

BRDF_Albedo_Band_Quality_I2 Class Table

Value Color Description
0 best quality, full inversion (WoDs, RMSE majority good)
1 good quality, full inversion
2 Magnitude inversion (numobs ≥ 7)
3 Magnitude inversion (numobs ≥ 2 & 7)

BRDF_Albedo_Band_Quality_I3 Class Table

Value Color Description
0 best quality, full inversion (WoDs, RMSE majority good)
1 good quality, full inversion
2 Magnitude inversion (numobs ≥ 7)
3 Magnitude inversion (numobs ≥ 2 & 7)

BRDF_Albedo_LandWaterType Class Table

Value Color Description
0 Shallow ocean
1 Land (Nothing else but land)
2 Ocean and lake shorelines
3 Shallow inland water
4 Ephemeral water
5 Deep inland water
6 Moderate or continental ocean
7 Deep ocean

Snow_BRDF_Albedo Class Table

Value Color Description
0 snow-free albedo retrieved
1 snow albedo retrieved

Terms of Use

Terms of Use

LP DAAC NASA data are freely accessible; however, when an author publishes these data or works based on the data, it is requested that the author cite the datasets within the text of the publication and include a reference to them in the reference list.

Citations

Citations:

DOIs

Explore with Earth Engine

Code Editor (JavaScript)

var dataset = ee.ImageCollection('NOAA/VIIRS/001/VNP43IA2')
                .filter(ee.Filter.date('2021-06-01', '2021-06-03'));

var visualization = {
  bands: ['BRDF_Albedo_ValidObs_I1'],
  min: 35550,
  max: 45535,
  palette: [
    '000080', '0000d9', '4000ff', '8000ff', '0080ff', '00ffff',
    '00ff80', '80ff00', 'daff00', 'ffff00', 'fff500', 'ffda00',
    'ffb000', 'ffa400', 'ff4f00', 'ff2500', 'ff0a00', 'ff00ff',
  ]
};

Map.setCenter(89, 58, 6);

Map.addLayer(dataset, visualization, 'Days of valid observation for band I1');
Open in Code Editor