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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
DOI10.3334/ORNLDAAC/1364
Release date2017-01-12
ProjectVegetation Collections
Time Period1989-01-01 to 2012-12-31

Description

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.

Documentation

Data set reference document

Citation

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. http://dx.doi.org/10.3334/ORNLDAAC/1364
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Project

Vegetation Collections: The ORNL DAAC compiles, archives, and distributes gridded data on vegetation from regional to continental scales.

Project data set list for Vegetation Collections.

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.