4. High temperatures are required for ozone formation. Another important climate variable is wind patterns, which play a big role in the daily levels of ozone in New England. Source: EPA: http://www.epa.gov/region01/

5. Diameter at Breast Height (DBH) Diameter (D) = 3.14 D = C/ Area = r 2 Circumference (C)

6. Measuring Tree Height Tree Height Angle Baseline Distance Tree Height = (tan(angle)*baseline) + (eye height) Eye Height

7. White Pine 5-Needle Fascicle

12. Chlorotic Fleck

14. Insect Damage

16. Tip Necrosis

24. White Pine Spectral Curve & Landsat Band Regions TM1 (Blue) TM2 (Green) TM1 (Red) TM4 (NIR) TM5 (MIR) TM7 (MIR) Water Absorption Cellulose Red Edge NIR 3 NIR 1 Leaf Pigments Cell StructureWater Content Lignin

25. Ger 2600 Spectrometer VIRIS VIrIS Visible/Infrared Intelligent Spectrometer