Oceanographic data collected during the EX1504L1 (CAPSTONE NWHI & Johnston Exploration Mapping) expedition on NOAA Ship OKEANOS EXPLORER in the North Pacific Ocean from 2015-07-10 to 2015-07-24 (NCEI Accession 0131126)
Multibeam and singlebeam mapping operations were conducted 24 hours a day throughout the cruise. Sub-bottom profile mapping was conducted 24 hours a day at the discretion of the CO. Most of the mapping areas pursued during this cruise were never mapped with modern sonar before. Mapping activities focused on three …