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echo sounding [2 records]

Record 1 2011-02-09

English

Subject field(s)
  • Hydrology and Hydrography
  • Scientific Measurements and Analyses
  • Marine and River Navigation Aids
  • Sonar and Underwater Detection (Military)
DEF

Determination of the depth of water by measuring the time interval between emission of a sonic or ultrasonic signal and return of its echo from the bottom.

OBS

echo sounding; echo depth sounding; acoustic sounding: This type of sounding can use a sonic or ultrasonic signal.

Key term(s)
  • acoustical sounding
  • echo depth-sounding

French

Domaine(s)
  • Hydrologie et hydrographie
  • Mesures et analyse (Sciences)
  • Aides à la navigation fluviale et maritime
  • Sonar et détection sous-marine (Militaire)
OBS

Le «sondage à/par ultrasons» ou «sondage ultrasonore» n'est qu'un équivalent partiel de l'«échosondage» ou «sondage acoustique», lequel utilise les sons et les ultrasons.

Key term(s)
  • sondage à ultra-sons
  • sondage par ultrasons
  • sondage ultra-sonore

Spanish

Save record 1

Record 2 2000-02-02

English

Subject field(s)
  • Hydrology and Hydrography
  • Scientific Measurements and Analyses
  • Marine and River Navigation Aids
  • Sonar and Underwater Detection (Military)
DEF

Use of echoes of pressure waves sent down to the bottom of the sea and reflected, the delay between sending and receiving times giving a measure of the depth; used also to detect wrecks and shoals of fish.

CONT

Echo sounding. Echo sounding is the ocean counterpart of land surveying. Acoustic waves propagating through the water column are used to measure depth of the sea floor and draft relief maps similar to land relief maps.

Key term(s)
  • acoustical sounding

French

Domaine(s)
  • Hydrologie et hydrographie
  • Mesures et analyse (Sciences)
  • Aides à la navigation fluviale et maritime
  • Sonar et détection sous-marine (Militaire)
DEF

Mesure de la profondeur effectuée par un échosondeur, à partir des phénomènes de la réflexion d'ondes acoustiques.

OBS

La mesure de l'intervalle de temps qui sépare l'émission du signal acoustique et son retour après réflexion permet d'apprécier la distance qui sépare la coque et le fond ou un obstacle quelconque (épave, banc de poissons) situé à l'aplomb du navire. Les échosondages servent à l'établissement des cartes bathymétriques.

Spanish

Campo(s) temático(s)
  • Hidrología e hidrografía
  • Medición y análisis (Ciencias)
  • Ayuda a la navegación marítima y fluvial
  • Dispositivo sonar y detección submarina (Militar)
Save record 2

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