Success of multibeam sonar to detect and map deep-sea gas seeps
Multibeam sonar, an echo sounding technology commonly used to map the seafloor, can also be used to map and detect gaseous seeps in the water column, according to scientists testing the technology on board NOAA Ship Okeanos Explorer last week in the Gulf of Mexico. Unlike other types of sonar, multibeam technology is able to survey a wide area of the seafloor and water column.Read more http://www.noaanews.noaa.gov/stories2011/20110915_okeanosexplorer.html