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ABoVE: Lake Growing Season Green Surface Reflectance Trends, AK and Canada, 1984-2019

Overview

DOIhttps://doi.org/10.3334/ORNLDAAC/1866
Version1
Project
Published2021-07-21
Updated2021-07-21
Usage63 downloads

Description

This dataset provides an annual time series of Landsat green surface reflectance and the derived annual trend during the growing season (June and July) for 472,890 lakes across the ABoVE Extended Study Domain from 1984 to 2019. The reflectance data are from Landsat-5, Landsat-7, and Landsat-8 sensors for the green band (center wavelength 560 nm). Over 270,000 Landsat scenes were evaluated and quality assured to be cloud-free and over water. Lakes were selected from HydroLAKES, a global database of lakes of at least 10 ha. Lake surface reflectance was extracted from a 3-by-3-pixel area centered on each lake centroid from the selected Landsat scenes determined from lake polygons. This dataset demonstrates changes in lake color over time in the arctic and boreal regions of North America. Color is relevant for understanding physical, ecological, and biogeochemical processes in some of the world’s highest concentrations of lakes where climate change may have significant impacts.

Science Keywords

  • CLIMATE INDICATORS
  • LAND SURFACE/AGRICULTURE INDICATORS
  • LENGTH OF GROWING SEASON
  • TERRESTRIAL HYDROSPHERE
  • WATER QUALITY/WATER CHEMISTRY
  • WATER CHARACTERISTICS
  • WATER COLOR
  • SPECTRAL/ENGINEERING
  • VISIBLE WAVELENGTHS
  • VISIBLE RADIANCE
  • TERRESTRIAL HYDROSPHERE
  • SURFACE WATER
  • SURFACE WATER FEATURES
  • LAKES/RESERVOIRS
  • LAND SURFACE
  • SURFACE RADIATIVE PROPERTIES
  • REFLECTANCE

Data Use and Citation

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Crosscite Citation Formatter
Kuhn, C., and D. Butman. 2021. ABoVE: Lake Growing Season Green Surface Reflectance Trends, AK and Canada, 1984-2019. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1866

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Dataset has 1 companion files.

  • ABoVE_GrowingSeason_Lake_Color.pdf