View Zenith Angles as a Function of Plant Row
The following table describes the view zenith angle for the each sunflower row in the plot. The sunflowers were planted in perpendicular rows spaced 0.43 meters apart in the E-W and N-S directions. This table assumes the view is towards the base of the plant in the row, i.e. at ground level. The column titled 'Perpendicular View Zenith Angle' represents the view zenith angle in the N, E, S and W azimuth directions. The column titled 'Diagonal View Zenith Angle' represents the view zenith angle in the NE, SE, SW and NW azimuth directions.
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Perpendicular Diagonal
View View
Row Zenith Zenith
Number Angle Angle
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(degrees) (degrees)
0 0.0 0.0
1 1.8 2.6
2 3.6 5.1
3 5.5 7.7
4 7.3 10.2
5 9.0 12.7
6 10.8 15.1
7 12.6 17.5
8 14.3 19.8
9 16.0 22.1
10 17.7 24.2
11 19.3 26.4
12 20.9 28.4
13 22.5 30.4
14 24.0 32.2
15 25.5 34.0
16 27.0 35.8
17 28.4 37.4
18 29.8 39.0
19 31.2 40.6
20 32.5 42.0
21 33.8 43.4
22 35.0 44.7
23 36.2 46.0
24 37.4 47.2
25 38.5 48.4
26 39.6 49.5
27 40.7 50.6
28 41.7 51.6
29 42.7 52.6
30 43.7 53.5
31 44.6 54.4
32 45.5 55.2
33 46.4 56.1
34 47.3 56.9
35 48.1 57.6
36 48.9 58.3
37 49.7 59.0
38 50.4 59.7
39 51.2 60.3
40 51.9 61.0
41 52.6 61.6
42 53.2 62.1
43 53.9 62.7
44 54.5 63.2
45 55.1 63.7
46 55.7 64.2
47 56.3 64.7
48 56.8 65.2
49 57.4 65.6
50 57.9 66.1
51 58.4 66.5
52 58.9 66.9
53 59.4 67.3
54 59.8 67.7
55 60.3 68.0
56 60.7 68.4
57 61.2 68.7
58 61.6 69.1
59 62.0 69.4
60 62.4 69.7
61 62.8 70.0
62 63.1 70.3
63 63.5 70.6
64 63.9 70.9
65 64.2 71.1
66 64.6 71.4
67 64.9 71.7
68 65.2 71.9
69 65.5 72.2
70 65.8 72.4
71 66.1 72.6
72 66.4 72.9
73 66.7 73.1
74 67.0 73.3
75 67.3 73.5
76 67.6 73.7
77 67.8 73.9
78 68.1 74.1
79 68.3 74.3
80 68.6 74.5
81 68.8 74.7
82 69.0 74.9
83 69.3 75.0
84 69.5 75.2
85 69.7 75.4
86 69.9 75.5
87 70.2 75.7
88 70.4 75.8
89 70.6 76.0
90 70.8 76.1
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