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2. Students examine both the “true color” And “false-color Infrared” images provided by GLOBE AA_Vis_2

3. Students construct a Land Cover Map keyed to the MUC System AA_Vis_3

4. Students gather data From 90 x 90 m Qualitative Land Cover Samples to “validate” their Map. AA_Vis_4

5. 1222 Site 1 92 Site 2 1121 Site 3 92 Site 4 At each of these sites, The MUC value is determined, a GPS reading is taken, and photographs are taken. These are Validation Data. 91 Site 5 1121 Site 6 Site 7 1222 Site 8 1121 AA_Vis_5

6. Warner’s Woods 1121 1222 X UPS Complex 92 92 √ State Park Area 1121 1121 √ Truck Terminal 92 92 √ Clark’s Loop 92 91 X Dale’s Grove 1121 1121 √ School Woodlot 1121 1222 X Town Grove 1121 1121 √ The Accuracy Assessment Data Work Sheet is filled out for all sites AA_Vis_6

7. Map Data (What we expected to find) Validation Data (What we actually found) The Difference/Error Matrix is Constructed AA_Vis_7

8. 1121 1222 92 91 Total Map Data (What we expected to find) Validation Data (What we actually found) The Difference/Error Matrix is Constructed AA_Vis_7

9. 1121 1222 92 91 Total Map Data (What we expected to find) Validation Data (What we actually found) Map and Validation Data Are Entered on the Matrix | | | | | AA_Vis_8

10. 1121 1222 92 91 Total Map Data (What we expected to find) Validation Data (What we actually found) | | | | | Totals Are Calculated for Rows and Columns 5 0 3 0 32 2 1 8 AA_Vis_9

11. Overall Accuracy is Calculated Overall Accuracy = -------------------------------------- x 100 Overall Accuracy = ----- x 100 = 63% Sum of Major Diagonal Tallies Total Number of Samples 5 8 AA_Vis_10

12. 1121 1222 92 91 93 94 63 71 72 52 821 823 Total 1121 1222 92 More Qualitative Sites are visited, and the Matrix is Developed for All Classes on the Map 91 93 Total 823 821 52 72 71 63 94 8 3 2 5 106 512 9 2 2 5 3 5 7 2 1 3 1 1 2 12 8 17 18 9 4 5 3 5 9 3 1 94 11 7 20 17 9 3 5 3 5 8 5 1 AA_Vis_11

13. Overall Accuracy is Calculated Overall Accuracy = ----------- X 100 = 0.74 X 100 = 74% 70 94 AA_Vis_12

14. REMOTELY SENSED FOREST VEGETATION MAPS: RASTER MAPS CREATED FROM LANDSAT TM IMAGERY July 1996 Landsat TM Image Pawtuckaway Study Area, NH, USA Forest Cover Type Map from Classification of July 1996 Landsat TM Image Pawtuckaway Study Area, NH, USA Legend Class Names White Pine White Pine-Hemlock Other Conifer Hemlock Oak Red Maple Mixed Forest Nonforest Beech Other Scale Kilometers AA_Vis_13

15. ERROR MATRICES AND ESTIMATES OF ACCURACY AA_Vis_15