… We propose to use the DSR eikonal equation for the first-break traveltime tomography. The
proposed method relies on an efficient DSR solver, which is realized by a version of the fast-…

… Traveltime tomography with shot-based eikonal equation … , the double-square-root (DSR)
eikonal equation that describes … The DSR eikonal equation can be solved by a version of the …

… for solving the DSR eikonal equation. Using our DSR eikonal solver one can compute all
prestack traveltimes (for multiple … [2012] Prestack first-break traveltime tomography using the …

… eikonal equations describing kinematics of the DSR equation. … double-square-root equation
in the form of data continuation in offset. In this form it can be used for describing traveltimes …

… I show that the double-square-root eikonal equation can be … The associated adjoint-state
tomography is then realized by … DSR eikonal equation for first-break traveltime tomography …

… The two tomography implementations a priori have the same properties. In our case, the
state variable is traveltime T , the solution of the eikonal equation providing the link between T …

… wavefield tomography is implemented to resolve possible … The double-square-root
eikonal equation is singular for the … the first-break traveltimes both efficiently and accurately. …

… refraction mainly for two reasons: 1) First break tends to be more visible than hyperbolic …
traveltime calculation (Figure 4), the following double-square root (DSR) eikonal equation …

… this approach using travel time tomography. This problem is computationally attractive when
based on the eikonal equation and its … Fomel, First-break traveltime tomography with the …

… Traveltime tomography is a geophysical imaging tool that inverts the traveltimes of seismic
arrivals … Here, the first-arrival window was 20 ms wide and started at the first-break traveltime. …