travel.time1D {RSEIS} | R Documentation |
travel time from source to reciever in 1D local model.
travel.time1D(indelta, inhpz, instaz, inlay, ztop, vel)
indelta |
distance in KM |
inhpz |
depthof hypocenter, km |
instaz |
elevation of station |
inlay |
number of layers |
ztop |
vector, tops of layers |
vel |
vector, velocities in layers |
Uses local 1D velocity model, not appropriate for spherical earth.
list:
dtdr |
derivative of t w.r.t. horizontal distance |
dtdz |
derivative of t w.r.t. z, depth |
angle |
incidence angle, degrees |
tt |
travel time, s |
Jonathan M. Lees<jonathan.lees.edu>
Get1Dvel
data(VELMOD1D) v= VELMOD1D travel.time1D(23, 7, 0, length(v$zs) , v$zp , v$vp)