Authors: Trigg S.; Flasse S.

Source: International Journal of Remote Sensing, Volume 22, Number 13, 2001 , pp. 2641-2647(7)

Publisher: Taylor and Francis Ltd

Abstract:

We report on the numerical separation of burned and unburned vegetation classes using different bi-spectral spaces, based on the analysis of spectroradiometric data collected in situ and convolved to five spectral bands at red to mid-infrared (MIR) wavelengths. A combination of two MIR bands was found to have strong spectral separation of burned and unburned samples. Using these bands, a spectral index was formulated which is highly sensitive to spectral changes due to burning and relatively insensitive to intrinsic variability. Results have implications for the remote sensing of burned shrub-savannah using bands available on high- and low-spatial resolution sensors, in particular, Landsat TM and MODIS.

Language: English

Document Type: Research article

Publication date: 2001-09-01

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