Dictionary:AVO gradient/intercept displays

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{{#category_index:A|AVO gradient/intercept displays}} The best-fit straight lines to plots of amplitude versus sin2θ or sin2x, where θ is incidence angle and x is offset, are determined for gathers, and the zero-offset intercepts (A) and slopes (gradients, B) are displayed (often color-encoded) on sections or horizon slices. See amplitude-variation-with-angle/offset.