NDVI, Species Cover, and LAI, Burned and Unburned sites, Interior Alaska, 2017-2018

Description

This dataset provides leaf area index (LAI), tree species and canopy cover, normalized difference vegetation index (NDVI), and NDVI trends for boreal forests in interior Alaska, U.S. These data were collected to investigate NDVI trends with forest structure and composition as influenced by disturbance and succession. The data are from 102 sites surveyed in 2017 and 2018 and include locations with and without a fire since 1940. A time series of NDVI was developed from Landsat (1999-2018) to measure NDVI trends. The field data cover the period 2017-08-29 to 2018-08-20. The surveyed forest stands spanned a distance of over 425 km across interior Alaska. The sites were selected before visiting the field to include locations with and without a fire since 1940. Recently burned sites were selected to span a range of years since fire, while sites without a recent fire were selected to include a range of Landsat NDVI trends. For each year, the median NDVI during the growing season was calculated. Then, a simple linear regression trend was calculated for years 1999-2018.

Resources

Name Format Description Link
25 survey_sites.kml https://data.ornldaac.earthdata.nasa.gov/public/above/NDVI_Forest_Structure/comp/survey_sites.kml
5 https://search.earthdata.nasa.gov%2Fsearch%3Fq%3DNDVI_Forest_Structure_1797%26ac%3Dtrue
5 https://daac.ornl.gov%2FABOVE%2Fguides%2FNDVI_Forest_Structure.html
5 https://doi.org%2F10.3334%2FORNLDAAC%2F1797
5 https://data.ornldaac.earthdata.nasa.gov%2Fprotected%2Fbundle%2FNDVI_Forest_Structure_1797.zip
5 https://daac.ornl.gov%2FABOVE%2Fguides%2FNDVI_Forest_Structure_Fig1.jpg
5 https://above.nasa.gov%2F
5 https://data.ornldaac.earthdata.nasa.gov%2Fpublic%2Fabove%2FNDVI_Forest_Structure%2Fcomp%2Fsurvey_sites.kml
5 https://data.ornldaac.earthdata.nasa.gov%2Fpublic%2Fabove%2FNDVI_Forest_Structure%2Fcomp%2FNDVI_Forest_Structure.pdf
5 https://search.earthdata.nasa.gov/search?q=NDVI_Forest_Structure_1797&ac=true
21 https://doi.org/10.3334/ORNLDAAC/1797
22 NDVI_Forest_Structure_Fig1.jpg https://daac.ornl.gov/ABOVE/guides/NDVI_Forest_Structure_Fig1.jpg
5 https://above.nasa.gov/
33 NDVI_Forest_Structure.pdf https://data.ornldaac.earthdata.nasa.gov/public/above/NDVI_Forest_Structure/comp/NDVI_Forest_Structure.pdf
57 NDVI_Forest_Structure_1797.zip https://data.ornldaac.earthdata.nasa.gov/protected/bundle/NDVI_Forest_Structure_1797.zip
5 https://above.nasa.gov
0 The metadata's original source. https://cmr.earthdata.nasa.gov/search/concepts/C2162189202-ORNL_CLOUD.iso19115

Tags

  • earth-science-vegetation-biosphere-vegetation-cover
  • earth-science-ecosystems-biosphere-terrestrial-ecosystems-forests
  • earth-science-vegetation-biosphere-leaf-characteristics-leaf-area-index-lai
  • earth-science-vegetation-biosphere-vegetation-index-normalized-difference-vegetation-index-ndvi

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