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NACP LiDAR-based Biomass Estimates, Boreal Forest Biome, North America, 2005-2006

Data Set Overview

Data setNACP LiDAR-based Biomass Estimates, Boreal Forest Biome, North America, 2005-2006
DOI10.3334/ORNLDAAC/1273
Release date2015-03-11
ProjectNorth American Carbon Program (NACP)
Time Period2005-06-08 to 2006-06-26

Description

This data set provides estimates of aboveground biomass (AGB) for defined land cover types within World Wildlife Fund (WWF) ecoregions across the boreal biome of Alaska and western and eastern Canada, roughly between 45 and 70 degrees N. The study focused on within-growing-season data, i.e. leaf-on conditions. The AGB estimates were derived from a series of models that first related ground-based measured biomass to Portable Airborne Laser System (PALS) LiDAR measurements, and a second set of models that related the airborne estimates of biomass to Geoscience Laser Altimeter System (GLAS) LiDAR canopy structure measurements. The GLAS LiDAR biomass estimates were extrapolated by land cover types and ecoregions across the entire biome area. The study compiled remotely sensed forest structure data collected in June of 2005 and 2006 from the GLAS LiDAR instrument aboard the NASA Ice, Cloud, and land Elevation (ICESat) satellite and from the PALS airborne instrument flown at various times from 2005-2009 over both the ground plots and the ICESat GLAS flight path. For a consistent biome-level analysis, ecoregions contained within the boreal forest biome were identified by the World Wildlife Fund's (WWF) ecoregion map of the world (Olson et al., 2001). Land cover maps were used to identify land cover types for stratification purposes within eco-regions. Land cover data for Canada were provided by the Earth Observations for Sustainable Development (EOSD) project centered on year 2000, with images from 1999 to 2002. The National Land Cover Data (NLCD) 2001 classification was used for Alaska based on data collected between 1999 and 2004. The ground-based measurements are not provided with this data set.

Documentation

Data set reference document

Citation

Margolis, H., G. Sun, P.M. Montesano, and R.F. Nelson. 2015. NACP LiDAR-based Biomass Estimates, Boreal Forest Biome, North America, 2005-2006. ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1273
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Project

North American Carbon Program (NACP): The North American Carbon Program (NACP) is a multidisciplinary research program designed to obtain scientific understanding of North America's carbon sources and sinks and of changes in carbon stocks needed to meet societal concerns and to provide tools for decision makers.

Project data set list for North American Carbon Program (NACP).

Companion Files

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  • can_west_glas_5i_noshrub_4Andre.pro
  • alaska_glas_5i_noshrub_4Andre.pro
  • NACP_Boreal_Biome_Biomass.pdf
  • can_east_glas_5i_noshrub_4Andre.pro

Data Files

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Data File (Granule)File SizeDatesLatitudeLongitude
canada_biom20_east_noshrub.txt 15.5 KB 2005-06-08 - 2006-06-26 59.34N To 44.51N53.48W To 95.12W
Alaska_BBB3_hg_L3c_L3f_wPALSbiom.txt 58.6 MB 2005-06-08 - 2006-06-26 68.35N To 55.11N141.00W To 163.17W
NA_500_ecoLc_rcAGB.tif 18.1 MB 2005-06-08 - 2006-06-26 69.00N To 44.00N53.00W To 165.00W
canada_biom20_west_noshrub.txt 29.6 KB 2005-06-08 - 2006-06-26 68.96N To 49.30N88.99W To 141.00W
alaska_biom20_noshrub.txt 17.5 KB 2005-06-08 - 2006-06-26 68.35N To 55.11N141.00W To 163.17W
NA_500_ecoLc_rcSEx2.tif 16.9 MB 2005-06-08 - 2006-06-26 69.00N To 44.00N53.00W To 165.00W
Canada_west_BBB3_hg_L3c_L3f_wPALSbiom.txt 198.7 MB 2005-06-08 - 2006-06-26 68.96N To 49.30N88.99W To 141.00W
NA_500_ecoLc_rcRelErr.tif 16.0 MB 2005-06-08 - 2006-06-26 69.00N To 44.00N53.00W To 165.00W
Canada_east_BBB3_hg_L3c_L3f_wPALSbiom.txt 105.5 MB 2005-06-08 - 2006-06-26 59.34N To 44.51N53.48W To 95.12W

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Files related to this data set have been downloaded on 325 occasions since 2015-03-11, totaling 1342 files.