Vegetation health


Vegetation can become stressed or less healthy because of a change in a range of environmental factors. These factors include lack of water, concentration of toxic elements/herbicides and infestation by insects/viruses. The influence of chlorophyll in the leaf pigments controls the response of vegetation to radiation in the visible wavelength. As a plant becomes diseased, the cell structure of a plant alters and the spectral signature of a plant or plant community will change.

The parameters offered by Star2Earth for vegetation health monitoring derived from EO-data are the following:

  • NDVI (Normalized Difference Vegetation Index)
  • SAVI (Soil-adjusted Vegetation Index)
  • MSI (Moisture Stress Index)
  • NDWI (Normalized Difference Water Index)

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