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Distribution of Estimated Stand Age Across Siberian Larch Forests, 1989-2012

Data Set Overview

Data setDistribution of Estimated Stand Age Across Siberian Larch Forests, 1989-2012
Release date2017-01-12
ProjectVegetation Collections
Time Period1989-01-01 to 2012-12-31


This data set provides mapped estimates of the stand age of young (less than 25 years old) larch forests across Siberia from 1989-2012 at 30-m resolution. The age estimates were derived from Landsat-based composites and tree cover for years 2000 and 2012 developed by the Global Forest Change (GFC) project and the stand-replacing fire mapping (SRFM) data set. This approach is based on the assumption that the relationship between the spectral signature of a burned or unburned forest stand acquired by Landsat ETM+ and TM sensors and stand age before and after the year 2000 is similar, thus allowing for training an algorithm on the data from the post-2000 era and applying the algorithm to infer stand age for the pre-2000 era. The output map combines the modeled forest disturbances before 2000 and direct observations of forest loss after 2000 to deliver a 24-year stand age distribution map.


Data set reference document


Chen, D., T.V. Loboda, A. Krylov, and V. Potapov. 2017. Distribution of Estimated Stand Age Across Siberian Larch Forests, 1989-2012. ORNL DAAC, Oak Ridge, Tennessee, USA.
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Vegetation Collections: The ORNL DAAC compiles, archives, and distributes gridded data on vegetation from regional to continental scales.

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Companion Files

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  • Siberian_Larch_Stand_Age_Fig1.png
  • Siberian_Larch_Stand_Age.pdf

Data Files

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Data File (Granule)File SizeDates
Siberian_larch_forests_stand_age.tif 435.5 MB 1989-01-01 - 2012-12-31

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Files related to this data set have been downloaded on 6 occasions since 2016-12-29, totaling 22 files.