https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.6 2026-03-19T10:41:57.720Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/instruments/465e0298-da06-4bd8-bc57-b167a5253793 MBES Date=2025-03-07 User Id=tstevens Entity=Definition Operation=INSERT System Note=insert Definition New Value=id: null text: A multibeam mapping system uses sonar to map the ocean floor and detect objects in the water. It can create detailed maps of the seafloor, including the depth, type, and characteristics of the seabed. language code: en A multibeam mapping system uses sonar to map the ocean floor and detect objects in the water. It can create detailed maps of the seafloor, including the depth, type, and characteristics of the seabed. 2025-03-07 09:51:29.0