front fronta boundary between two water masses with differing properties such as temperature and salinityRelated Articles: Glossary: phocids or true sealsGlossary: pitchManateeBearded SealAbout DOSITSDr. MillerBeaked WhalesForward Looking SonarHow is sound used to measure waves in the surf zone?Iceberg Collisions Chris Knowlton2017-10-19T12:47:54+00:00