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BOREAS TE-23 Canopy Architecture and Spectral Data from Hemispherical Photos

Data Set Overview

Data setBOREAS TE-23 Canopy Architecture and Spectral Data from Hemispherical Photos
Release date1999-12-17
ProjectBoreal Ecosystem-Atmosphere Study
Time Period1994-05-02


Hemispherical photographs collected in support of the effort to characterize and interpret information on estimates of canopy architecture and radiative transfer properties for most BOREAS study sites. Various OA, OBS, OJP, YJP, and YA sites in the boreal forest were measured from May to August 1994. The hemispherical photographs were used to derive values of LAI, Leaf angle, Gap fraction, and Clumping index.


Data set reference document


Rich, P.M. 1999. BOREAS TE-23 Canopy Architecture and Spectral Data from Hemispherical Photos. 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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  • te23arch.def
  • TE23_Canopy_Arch.pdf
  • TE23_Canopy_Arch.doc
  • TE23_Canopy_Arch.txt

Data Files

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Data File (Granule)File SizeDates
te23_canopy_arch_avg_view.dat 109.7 KB 1994-05-02 - 1994-09-26
te23_canopy_arch_data_view.dat 646.1 KB 1994-05-02 - 1994-09-26
te23_canopy_arch_inv_view.dat 17.6 KB 1994-05-02 - 1994-09-26


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