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Dataset

 

QA4ECV Global Broadband albedo (1982-2016)

Status: Pending
Online Status: ONLINE
Publication State: Preview
Publication Date:

THIS RECORD HAS NOT BEEN PUBLISHED YET - PREVIEW ONLY!
Abstract

Global albedo data of the land surface is produced from data from 1982-2016 from European and US satellites daily and monthly with estimated uncertainties for every pixel. This data product is produced from AVHRR+GEO Broadband Albedo at 0.5 and 0.05 degrees.

Citable as:  [ PROVISIONAL ] Muller, J.-P.; Danne, O.; Kharbouche, S.; Vermote, E.; Gobron, N.; Schulz, J.; Lattanzio, A.; Doutriaux-Boucher, M.; Aoun, Y.; Lewis, P. (9999): QA4ECV Global Broadband albedo (1982-2016). NERC EDS Centre for Environmental Data Analysis, date of citation. https://catalogue.ceda.ac.uk/uuid/efb5c580d2774a37acf4515cbc5f7bba
Abbreviation: Not defined
Keywords: Not defined

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
Access rules:
Public data: access to these data is available to both registered and non-registered users.
Use of these data is covered by the following licence: http://creativecommons.org/licenses/by/4.0/. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data are archived as given by the data provider.

Data Quality:
Data are as given by the data provider, no quality control has been performed by the Centre for Environmental Data Analysis (CEDA).
File Format:
These data are in netCDF4 format. As provided by the QA4ECV project.

Process overview

  • units: 1
  • long_name: Bi-Hemisphere Reflectance albedo - (NIR,SW) alpha correlation term
  • var_id: BHR_alpha_NIR_SW
  • names: Bi-Hemisphere Reflectance albedo - (NIR,SW) alpha correlation term
  • units: 1
  • long_name: Bi-Hemisphere Reflectance albedo - (VIS,NIR) alpha correlation term
  • var_id: BHR_alpha_VIS_NIR
  • names: Bi-Hemisphere Reflectance albedo - (VIS,NIR) alpha correlation term
  • units: 1
  • long_name: Bi-Hemisphere Reflectance albedo - (VIS,SW) alpha correlation term
  • var_id: BHR_alpha_VIS_SW
  • names: Bi-Hemisphere Reflectance albedo - (VIS,SW) alpha correlation term
  • units: 1
  • long_name: Bi-Hemisphere Reflectance albedo - NIR band
  • var_id: BHR_NIR
  • names: Bi-Hemisphere Reflectance albedo - NIR band
  • units: 1
  • long_name: Bi-Hemisphere Reflectance albedo - SW band
  • var_id: BHR_SW
  • names: Bi-Hemisphere Reflectance albedo - SW band
  • units: 1
  • long_name: Bi-Hemisphere Reflectance albedo - VIS band
  • var_id: BHR_VIS
  • names: Bi-Hemisphere Reflectance albedo - VIS band
  • units: 1
  • long_name: Data Mask
  • var_id: Data_Mask
  • names: Data Mask
  • units: 1
  • long_name: Directional Hemisphere Reflectance albedo - (NIR,SW) alpha correlation term
  • var_id: DHR_alpha_NIR_SW
  • names: Directional Hemisphere Reflectance albedo - (NIR,SW) alpha correlation term
  • units: 1
  • long_name: Directional Hemisphere Reflectance albedo - (VIS,NIR) alpha correlation term
  • var_id: DHR_alpha_VIS_NIR
  • names: Directional Hemisphere Reflectance albedo - (VIS,NIR) alpha correlation term
  • units: 1
  • long_name: Directional Hemisphere Reflectance albedo - (VIS,SW) alpha correlation term
  • var_id: DHR_alpha_VIS_SW
  • names: Directional Hemisphere Reflectance albedo - (VIS,SW) alpha correlation term
  • units: 1
  • long_name: Directional Hemisphere Reflectance albedo - NIR band
  • var_id: DHR_NIR
  • names: Directional Hemisphere Reflectance albedo - NIR band
  • units: 1
  • long_name: Directional Hemisphere Reflectance albedo - SW band
  • var_id: DHR_SW
  • names: Directional Hemisphere Reflectance albedo - SW band
  • units: 1
  • long_name: Directional Hemisphere Reflectance albedo - VIS band
  • var_id: DHR_VIS
  • names: Directional Hemisphere Reflectance albedo - VIS band
  • units: 1
  • long_name: Goodness of Fit
  • var_id: Goodness_of_Fit
  • names: Goodness of Fit
  • units: 1
  • long_name: Prior valid pixel flag
  • var_id: Prior_Valid_Pixel_Flag
  • names: Prior valid pixel flag
  • units: 1
  • long_name: Relative Entropy
  • var_id: Relative_Entropy
  • names: Relative Entropy
  • units: 1
  • long_name: Snow Fraction
  • var_id: Snow_Fraction_of_Samples
  • names: Snow Fraction
  • units: degrees
  • long_name: Solar Zenith Angle
  • var_id: Solar_Zenith_Angle
  • names: Solar Zenith Angle
  • units: 1
  • long_name: Uncertainty of Bi-Hemisphere Reflectance albedo - NIR band
  • var_id: BHR_sigma_NIR
  • names: Uncertainty of Bi-Hemisphere Reflectance albedo - NIR band
  • units: 1
  • long_name: Uncertainty of Bi-Hemisphere Reflectance albedo - SW band
  • var_id: BHR_sigma_SW
  • names: Uncertainty of Bi-Hemisphere Reflectance albedo - SW band
  • units: 1
  • long_name: Uncertainty of Bi-Hemisphere Reflectance albedo - VIS band
  • var_id: BHR_sigma_VIS
  • names: Uncertainty of Bi-Hemisphere Reflectance albedo - VIS band
  • units: 1
  • long_name: Uncertainty of Directional Hemisphere Reflectance albedo - NIR band
  • var_id: DHR_sigma_NIR
  • names: Uncertainty of Directional Hemisphere Reflectance albedo - NIR band
  • units: 1
  • long_name: Uncertainty of Directional Hemisphere Reflectance albedo - SW band
  • var_id: DHR_sigma_SW
  • names: Uncertainty of Directional Hemisphere Reflectance albedo - SW band
  • units: 1
  • long_name: Uncertainty of Directional Hemisphere Reflectance albedo - VIS band
  • var_id: DHR_sigma_VIS
  • names: Uncertainty of Directional Hemisphere Reflectance albedo - VIS band
  • units: 1
  • long_name: Weighted number of albedo samples
  • var_id: Weighted_Number_of_Samples
  • names: Weighted number of albedo samples
  • units: degrees
  • var_id: lat
  • long_name: latitude coordinate
  • names: latitude coordinate
  • units: degrees
  • var_id: lon
  • long_name: longitude coordinate
  • names: longitude coordinate

Co-ordinate Variables

  • standard_name: time
  • var_id: time
  • names: time
Coverage
Temporal Range
Start time:
1982-01-01T00:00:00
End time:
2016-12-31T00:00:00
Geographic Extent

 
90.0000°
 
-180.0000°
 
180.0000°
 
-90.0000°