MEASURING WATER DEPTH - A BRIEF HISTORY YOU MAY NOT KNOW
A Brief Look at How Sea Bed Depth can be Measured with Sonar
How do we measure the depths of the oceans? By Rau’s IAS
The Scientist Who Mapped the Seafloor: Marie Tharp | Great Minds
From ropes to sound to satellites - how we map the sea floor
ASK US ANYTHING: Finding water depth! Soundings, lead lines, fathoms and more!
HMS Psyche - using a lead to measure water depth
How Sonar Works (Submarine Shadow Zone) - Smarter Every Day 249
Depth Sounding
How Do We Find Depth Of a Sea
"Ready for sounding!", historical reconstruction film of a hydrographic survey in the early 1800s.
The Invention of the Depth Charge - Kaboom? Yes Jellicoe, Kaboom!
How Deep Is The Ocean? | COLOSSAL QUESTIONS
How deep does the ocean go?
I couldn’t pull out 🥵
Oceanography Intro and Box Lab
Ocean Exploration
How can you measure a ship's distance from the shore?
Bathymetry
Secrets of the Deep! The Ocean's Greatest Mysteries! | COLOSSAL QUESTIONS