Application of time-series analyses and image-processing techniques to large geophysical data sets; sampling and aliasing of signals; one- and two-dimensional Fourier transforms; the Z transformation; spectral analysis, filtering, and deconvolution; application of 1D and 2D filtering to geophysical data analysis, processing, and decomposition. Note: credit may only be obtained for one of GEOPH 426 and GEOPH 526. Prerequisite: Consent of instructor.