Araya, KidaneSymes, William W.2018-06-182018-06-181996-07Araya, Kidane and Symes, William W.. "2D and 2.5D Kirchhoff Inversion Using Upwind Finite Difference Amplitudes." (1996) <a href="https://hdl.handle.net/1911/101881">https://hdl.handle.net/1911/101881</a>.https://hdl.handle.net/1911/101881Finite difference solution of the transport equation provides an efficient and accurate method for computation of 2.5D geometric acoustics amplitudes. These amplitudes can be used in simulation, migration and inversion formulas. Remodeled data based on high frequency asymptotic inversion using these amplitudes shows excellent agreement with both synthetic and field input data.4 ppengTechnical reportTR96-20