Echo sounder

{
  "id": "MLC-T-MET-005255",
  "term": "Echo sounder",
  "field": "Meteorology and atmospheric science",
  "definition": "An instrument that uses sound waves to measure the depth of water or to detect objects beneath the surface. It transmits a sound pulse and measures the time it takes for the echo to return from the seabed or a submerged object. This device is primarily used in oceanography and hydrography for bathymetric mapping.",
  "url": "https://mlchart.com/terminology/meteorology/echo-sounder/"
}