RS lecture3.pdf


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11/19/2012

Thematic Mapper (TM)

TM - Spectral Sensitivity


0.45-0.52m

Blue

Water penetration, cultural
features, smoke plumes,
atmospheric haze



0.52-0.63m

Green Measure peak green
reflectance,, vigor,
g , cultural
features



0.63-0.69m

Red

Chlorophyll absorption
region, plant species
differentiation, reduced
atmospheric effects

TM - Spectral Sensitivity (cont)


0.76-0.90m

NIR

Vegetation type, biomass,
vigor, land/water boundary
discrimination



1.55-1.75m

MIR

Moisture content, snow vs.
cloud discrimination



2.08-2.35m

MIR

Sensitive to vegetation
moisture content,
discrimination of mineral
rock types



10.4-12.5m

TIR

Thermal mapping & veg
stress, soil moisture

TIR
RED

NIR

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