viris viris visible/infrared intelligent spectrometer

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Slide 2 VIRIS VIrIS Visible/Infrared Intelligent Spectrometer Slide 3 White Pine Spectral Curve & Landsat Band Regions TM1 (Blue) TM2 (Green) TM3 (Red) TM4 (NIR) TM5 (MIR) TM7 (MIR) Water Absorption Cellulose Red Edge NIR 3 NIR 1 Leaf Pigments Cell StructureWater Content Lignin Slide 4 Red Edge Inflection Point (REIP) Slide 5 Relationship Between Chlorophyll Concentration and REIP Values (Taken From Moss and Rock, 1991) Slide 6 Chlorophyll Absorption http://www.chm.bris.ac.uk/motm/chlorophyll/chlorophyll_h.htm Slide 7 Slide 8 Spectral Indices Slide 9 REIP The Red Edge Inflection Point, a strong indicator of Chlorophyll Content (the higher the number, the greater the amount); Slide 10 Spectral Indices REIP The Red Edge Inflection Point, a strong indicator of Chlorophyll Content (the higher the number, the greater the amount); NDVI The Normalized Difference Vegetation Index, an indicator of Greenness (the higher the number, the greener the foliage); Slide 11 Spectral Indices REIP The Red Edge Inflection Point, a strong indicator of Chlorophyll Content (the higher the number, the greater the amount); NDVI The Normalized Difference Vegetation Index, an indicator of Greenness (the higher the number, the greener the foliage); TM 5/4 Ratio An indicator of Wetness or Dryness (the higher the number, the drier the foliage); Slide 12 Spectral Indices REIP The Red Edge Inflection Point, a strong indicator of Chlorophyll Content (the higher the number, the greater the amount); NDVI The Normalized Difference Vegetation Index, an indicator of Greenness (the higher the number, the greener the foliage); TM 5/4 Ratio An indicator of Wetness or Dryness (the higher the number, the drier the foliage); The NIR 3/1 Ratio An indicator of Seasonal Development (the higher the number, the older the foliage). Slide 13 Tree #SenescentHealthyUnhealthy REIP697.6728.5706.9 NDVI0.4010.8420.825 TM540.6320.4990.451 NIR310.9530.850.781 Slide 14 Tree #MapleOak Pine- 1st yr Pine- 2nd yr REIP728.5723.9722.3720.8 NDVI0.880.8970.8210.797 TM540.640.5650.4750.533 NIR310.8770.830.8130.865 Slide 15 Chlorotic Mottle Stomatal Rows Slide 16 Slide 17

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