Environmental Engineering Reference
In-Depth Information
(+000)
50
100
23
22
2
2
19
1
1
1
15
1
13
12
1
1
9
6
4
3
1
Time
break
First arrivals
50
100
(+000)
2
23
22
21
2
1
1
17
1
15
14
13
1
1
1
9
6
4
3
2
Time
break
1
TA
(+000)
50
100
2
23
22
2
2
19
1
1
16
1
14
13
12
1
1
8
6
4
3
1
Time
break
FIGURE 2.24
Seismograms for one 24-channel
spread with three shot points.
(Courtesy of Technosolo.)
10 ms