http://bolin.su.se/data/oden-swerus-2014-subbottom-herald-1 Martin Jakobsson Sub-bottom profiling data from Herald Canyon, Chukchi Sea Bolin Centre Database 2017 Datafile Marine Sub-bottom profiles Sub-bottom profiling Chirp Seismoacoustic Arctic Ocean Bering Strait Marine geology Holocene SWERUS-C3 Earth science > Oceans > Bathymetry/seafloor topography Martin Jakobsson 2017-07-26T11:44:10+00:00 English 1 None Sub-bottom profiles in SEGY format. Data has been converted to SEGY format from the original Kongsberg .raw format using the Kongsberg Topas software. Included navigation is in Arc seconds.