Articles | Volume 10, issue 4
Research article
15 Aug 2019
Research article |  | 15 Aug 2019

Passive processing of active nodal seismic data: estimation of VPVS ratios to characterize structure and hydrology of an alpine valley infill

Michael Behm, Feng Cheng, Anna Patterson, and Gerilyn S. Soreghan


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Short summary
New acquisition styles for active seismic source exploration provide a wealth of additional quasi-passive data. We show how these data can be used to gain complementary information about the subsurface. Specifically, we process an active-source dataset from an alpine valley in western Colorado with both active and passive inversion schemes. The results provide new insights on subsurface hydrology based on the ratio of P-wave and S-wave velocity structures.