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BOREAS Level-4b AVHRR-LAC Ten-Day Composite Images: At-Sensor Radiance

Data Set Overview

Data setBOREAS Level-4b AVHRR-LAC Ten-Day Composite Images: At-Sensor Radiance
Release date1999-11-16
ProjectBoreal Ecosystem-Atmosphere Study
Time Period1994-04-11


These AVHRR level-4b data are gridded, 10-day composites of at-sensor radiance values produced from sets of single-day images. Temporally, the 10-day compositing periods begin 11-Apr-1994 and end 10-Sep-1994. Spatially, the data cover the entire BOREAS region.


Data set reference document


Cihlar, J. 1999. BOREAS Level-4b AVHRR-LAC Ten-Day Composite Images: At-Sensor Radiance. ORNL DAAC, Oak Ridge, Tennessee, USA.
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Boreal Ecosystem-Atmosphere Study: The Boreal Ecosystem-Atmosphere Study was a large-scale international interdisciplinary experiment in the boreal forests of central Canada. Its focus was improving our understanding of the exchanges of radiative energy, sensible heat, water, CO2 and trace gases between the boreal forest and the lower atmosphere. A primary objective of BOREAS was to collect the data needed to improve computer simulation models of the important processes controlling these exchanges so that scientists can anticipate the effects of global change, principally altered temperature and precipitation patterns, on the biome.

Project data set list for Boreal Ecosystem-Atmosphere Study.

Boreal Ecosystem-Atmosphere Study has 3 available companion files.
  • two_d_ref.txt
  • site_ref.txt

Companion Files

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  • AVHRR_L4b.txt
  • AVHRR_L4b.doc
  • AVHRR_L4b.pdf

Data Files

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Data File (Granule)File SizeDates
file01_11Apr1994 2.9 MB 1994-04-11 - 1994-09-10
file06_11Apr1994 2.9 MB 1994-04-11 - 1994-09-10
file08_11Apr1994 2.9 MB 1994-04-11 - 1994-09-10
file10_11Apr1994 2.9 MB 1994-04-11 - 1994-09-10

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Files related to this data set have been downloaded on 35 occasions since 2009-10-07, totaling 149 files.