Oceanography: Exploring Earth's Final Wilderness

Mapping the Sea—Soundings to Satellites

Documentary Nov 18, 2011 33 min The Great Courses Signature Collection

Available on Prime Video, The Great Courses Signature Collection

S1 E4: The ocean floor was once as mysterious as the surface of another planet. Investigate the technologies involved in measuring bathymetry, the undersea counterpart of topography. Weighted ropes and cables for gauging the depth of the sea have given way to sophisticated sonar from ships and radar from satellites.

Documentary Nov 18, 2011 33 min The Great Courses Signature Collection

TV-PG

Information

Released: 2011
Run Time: 33 min
Rated: TV-PG

Languages

Audio: English (AAC), English (United States)
Subtitles: English (CC)

Accessibility

: Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.