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BOREAS TE-19 Ecosystem Carbon Balance Model

Data Set Overview

Data setBOREAS TE-19 Ecosystem Carbon Balance Model
Release date1999-12-17
ProjectBoreal Ecosystem-Atmosphere Study
Time Period1968-01-01 to 1995-12-31


The Spruce and Moss Model (SPAM) was designed to simulate the daily carbon balance of a black spruce/moss boreal forest ecosystem. It is driven by daily weather conditions and consists of four components: (1) soil climate; (2) tree photosynthesis and respiration; (3) moss photosynthesis and respiration; and (4) litter decomposition and associated heterotrophic respiration. The model can be used to generate predictions of total site net ecosystem exchange of carbon (NEE), total soil dark respiration (live roots + heterotrophs + live moss), spruce and moss net productivity, and net carbon accumulation in the soil.


Data set reference document


Frolking, S., J.D. Aber, and C. Li. 1999. BOREAS TE-19 Ecosystem Carbon Balance Model. 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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  • TE19_Model.txt
  • TE19_Model.pdf
  • TE19_Model.doc

Data Files

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Data File (Granule)File SizeDates
atm14Cfm 744 B 1968-01-01 - 1995-12-31
bcm9_source_code.for 275.7 KB 1968-01-01 - 1995-12-31
in.bcm.9 331 B 1968-01-01 - 1995-12-31
nip.75-97.cli.sobs 166.8 KB 1968-01-01 - 1995-12-31
output_1_gen_info_sobs20.txt 487.0 KB 1968-01-01 - 1995-12-31
output_2_temp_sobs20.txt 781.2 KB 1968-01-01 - 1995-12-31
output_3_wat_sobs20.txt 1.1 MB 1968-01-01 - 1995-12-31
output_4_ice_sobs20.txt 875.2 KB 1968-01-01 - 1995-12-31
output_5_tree_sobs20.txt 811.1 KB 1968-01-01 - 1995-12-31
output_6_moss_sobs2.txt 843.2 KB 1968-01-01 - 1995-12-31
output_7_carb_sobs20.txt 883.7 KB 1968-01-01 - 1995-12-31
output_8_sum_sobs20.txt 754.9 KB 1968-01-01 - 1995-12-31
output_9_accum_sobs20.txt 845.3 KB 1968-01-01 - 1995-12-31

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