Speaker
Description
Historical geophysical data recorded during the peak of nuclear testing is rare and limited. Efforts have been made to preserve and digitize data but have minimal quality control from decades of lost history and retiring personnel. The Livermore Nevada Network (LNN) is a seismic network in California, Nevada and Utah deployed in the 1960s to record nuclear explosive testing at the Nevada Test Site (NTS), now known as the Nevada National Security Site (NNSS). Over the many decades the network has been running, the seismic information was recorded and stored in a variety of analog and digital formats. We will present our efforts to recover the physical film holdings as well as the digital 9-track holdings, including the establishment of a physical holdings catalog, QC efforts, and results for acetate film as well as approaches to recapture and preserve metadata using ML.
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