A fiber-optic array was activated alongside a rail line in the UK to record data during the acquisition of an active source survey to study the near-surface velocity structure using the MASW approach. We compare the fiber-optic data and MASW results to a conventional geophone array. The fiber-optic array offers improved low frequency sensitivity and more flexible sampling of the surface wave field. Along with active-source data, we construct virtual shot gathers using ambient noise correlation. We compare data and MASW results to the active-source data.


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