Keywords: sonar ocean ocean science oceanscience biogeography u.s. virgin islands usvirginislands noaa national ocean service nationaloceanservice coral coral reef coralreef fish seafloor nautical chart nauticalchart Hydrographer Mike Stecher converts sonar data into imagery. The data collected during the mapping cruise is also used to update NOAA nautical charts. Learn more: oceanservice.noaa.gov/caribbean-mapping/ Hydrographer Mike Stecher converts sonar data into imagery. The data collected during the mapping cruise is also used to update NOAA nautical charts. Learn more: oceanservice.noaa.gov/caribbean-mapping/ |