Geoscience Reference
In-Depth Information
Oc
Ti
(s)
(m)
I
I
3,0
Am
I
Fig. 4.17 Dynamics of wave perturbation in the vicinity of the incidence point of a meteorite
during the first 3 min (Adapted from [Ward, Asphaug (2000)])
C
Fig. 4.18 Phase and group velocities of gravitational waves on water versus the wave number,
space spectrum (absolute value of function
kA
(
k
))
/
g
k
max
tanh(
k
max
H
). For typical values of
R
C
=
H
= 5 km the period
amounts to
T
max
≈
T
max
= 2
π
83 s. We recall that the range of tsunami wave periods is 10
2
-
10
4
s. The orders of magnitude of wave periods caused by falling meteorites can be
