Maps and tools to assess the state and change of global grasslands based on fractional ground cover calculated on the Google Earth Engine
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Global Rangelands - Grassy Knowledge

This repository consists of two applications:

  • The calibration ipython notebook, that:
    • Takes a database of fractional cover field sites and extracts the reflectance data for the closest image acquisition in space and time
    • Follows the endmember extration method outlined in Scarth 2010 to build an optimal set of endmembers for image unmixing
  • The Earth Engine based appspot app


Scarth, P., Röder, A., Schmidt, M., 2010b. Tracking grazing pressure and climate interaction - the role of Landsat fractional cover in time series analysis. In: Proceedings of the 15th Australasian Remote Sensing and Photogrammetry Conference (ARSPC), 13-17 September, Alice Springs, Australia. Alice Springs, NT.