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Bare Soil Index (BSI)

Bare Soil Index (BSI) is a numerical indicator that combines blue, red, near infrared and short wave infrared spectral bands to capture soil variations. These spectral bands are used in a normalized manner. The short wave infrared and the red spectral bands are used to quantify the soil mineral composition, while the blue and the near infrared spectral bands are used to enhance the presence of vegetation.

BSI can be used in numerous remote sensing applications, like soil mapping, crop identification (in combination with NDVI) etc.

Our Spaceye product uses the blue, red, near infrared and short wave infrared spectral bands from various satellites (Landsat 8 OLI, Landsat 5 TM, Sentinel 2 MSI) to calculate the BSI with the following formulas (one for each satellite):

BSI

Our BSI product is produced for the whole globe from 1985 to today with timely temporal resolution!

bsi pallet

 Index: BSI