High-Resolution Shrub Biomass and Uncertainty Maps, Toolik Lake Area, Alaska, 2013

Description

This dataset contains estimates for aboveground shrub biomass and uncertainty at high spatial resolution (0.80-m) across three research areas near Toolik Lake, Alaska. The estimates for August of 2013 were generated and mapped using Random Forest modeling with input variables of optimized LiDAR-derived canopy volume and height, mean NDVI from 4-band RGB color and near-IR orthophotographs, and harvested biomass data. Uncertainty in the final shrub biomass maps was quantified by producing separate maps showing the coefficient of variation (CV) of the Random Forest map estimates. Shrub biomass was harvested at Toolik Lake in 2014 and used to optimize inputs and validate the final model and these biomass data are also provided.

Resources

Name Format Description Link
21 Data set Landing Page DOI URL https://doi.org/10.3334/ORNLDAAC/1573
21 ABoVE project site https://above.nasa.gov
21 ORNL DAAC Data Set Documentation https://daac.ornl.gov/ABOVE/guides/Shrub_Biomass_Toolik_Lake_AK.html
21 Web Coverage Service for this collection. https://webmap.ornl.gov/wcsdown/dataset.jsp?ds_id=1573
21 This link allows direct data access via Earthdata login https://daac.ornl.gov/above/Shrub_Biomass_Toolik_Lake_AK/
33 High-Resolution Shrub Biomass Maps and Field Data, Toolik Lake Area, Alaska, 2013: Shrub_Biomass_Toolik_Lake_AK.pdf https://data.ornldaac.earthdata.nasa.gov/public/above/Shrub_Biomass_Toolik_Lake_AK/comp/Shrub_Biomass_Toolik_Lake_AK.pdf
21 Search results for publications that cite this dataset by its DOI. https://scholar.google.com/scholar?q=10.3334%2FORNLDAAC%2F1573
34 A: Overview of shrub biomass maps for the three LiDAR collection footprints (note biomass color scale is nonlinear). B-E: Enlarged view of a representative area showing B) RGB orthoimage for reference, C) Final shrub biomass map (color scale as in A), D) LiDAR-derived canopy volume at native resolution of 0.15m, and E) NDVI at native resolution of 0.043 m (Figure from Greaves et al., 2016). https://daac.ornl.gov/ABOVE/guides/Shrub_Biomass_Toolik_Lake_AK_Fig1.png

Tags

  • ecosystems
  • biosphere
  • vegetation
  • earth-science

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