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T=10000 s
T=10000 s
Fig. 6.4
The electric and magnetic field profiles in the vertical-interface model (TE-mode). Model
parameters:
=
,
=
1Ohm
·
m
100 Ohm
·
m
.
Profile parameter: period T=1, 100, 10000 s
/
symmetric. Note that Re
W
zy
,
Im
W
zy
are positive for
=
10 and negative for
/
=
Im
W
zy
are directed from the quarter-space of lower resistivity to the quarter-space of higher
resistivity. But it is significant that at low frequencies the imaginary arrows vanish,
while the real arrows achieve their maximum.
In closing we take a brief look at the
W
zy
−
0
.
1. So, the real and imaginary induction arrows plotted by Re
W
z
y
,
profiles shown in Fig. 6.7. The Re
W
zy
-
profiles contain a nearly symmetric maximum just over the vertical interface. Its
width is of the order 3 (
h
eff
+
h
eff
). The Im
W
zy
−
profiles contain two maxima sep-
arated by a deep spike minimum at the vertical interface. The total width of this
