0
0
20
20
#7
#7
40
40
60
60
0
0
20
20
#5
#5
40
40
60
60
0
0
20
20
#3
#3
40
40
60
60
0
0
20
20
#1
#1
40
40
60
60
100
80
60
40
20
0
100
80
60
40
20
0
Horizontal Distance (cm)
Horizontal Distance (cm)
a. 2 hours before F1.
b. 30 minutes after T1 began.
0
0
20
20
#7
#7
40
40
60
60
0
0
20
20
#5
#5
40
40
60
60
0
0
20
20
#3
#3
40
40
60
60
0
0
20
20
#1
#1
40
40
60
60
100
80
60
40
20
0
100
80
60
40
20
0
Horizontal Distance (cm)
Horizontal Distance (cm)
c. 26.3 hours after T1 began.
d. 49 hours after T1 began; 3 hours before F2.
Figure 22. Rill profiles.
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