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Contents

1959: Vol. XXXVI, No. 1

Reliability of Bottom Topography Obtained by Ultrasonic Echo-Sounder

Soumise
July 26, 2018
Publié-e
2018-04-11

Résumé

In this paper the authors give a comparison between an echo-survey of the topography of an artificial lake and an actual survey by triangulation made before the valley was filled with water. Accurate results were obtained using a high frequency and a narrow beam angle.