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Voyage To Inner Space
Satellite sensors and imagery have revolutionized oceanography.An image of the Gulf Stream
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Satellite sensors and imagery have revolutionized oceanography.An image of the Loop Current in the Gulf of Mexico
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Sounding machine devised by Robert Hooke.Drop glass ball with weight over side.Ball disengages when weight hits bottom.Known rate of descent and ascent - can then derive depth.Never worked right.
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HMS RACEHORSE in pack ice - Captain Constantine Phipps.Sounded in Norwegian Sea in 683 fathoms.Brought up blue mud.First modern successful sounding on continental slope area.Not sounding in image
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Boats from HMS EREBUS and HMS TERROR - Captain James Clark Ross.Sounded in open ocean at 27.43 S and 17.48 W.Recorded depth of approximately 2200 fathoms.First modern successful sounding in deep ocean
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USS VINCENNES in pack ice - Captain Charles Wilkes commanding.On the Antarctic shelf, Wilkes sounded with copper wire in 400 fathoms.First use of wire instead of hemp sounding line.Copper too ductile and would break - gave up on idea
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A second attempt at a bathymetric map by Matthew Fontaine Maury.Published in The Physical Geography of the Sea with black and grey shading.Showed vast relatively shoal area in Mid-Atlantic which gave birth to the notion of a Telegraphic Plateau. T
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Deepsea soundings by the USS ARCTIC - Otway Berryman commanding.Top line is ship track between Newfoundland and Ireland.Bottom line is profile and shows no plateau.Generated a controversy with Matthew Fontaine Maury.Maury declared erroneous and conti
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Sounding device made by William P. Trowbridge for Coast Survey.Line would pay out of a descending cylinder and stationery cylinder on deck.Similar to modern bathythermograph copper wire instrument.Civil War intervened stopping research.Probably would
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Thomson piano wire sounding machine as mounted on USS TUSCARORA.This machine was invented by Sir William Thomson, a.k.a. Lord Kelvin.Made use of heavy weight and piano wire - line paid out until weight hit bottom. This machine revolutionized deepsea
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USS TUSCARORA - commanded by George Belknap.First ship to successfully use piano wire sounding machine
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Track of USS TUSCARORA from Cape Flattery to Japan.
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Profile with bottom characteristics of TUSCARORA soundings.Profile shows continental slope and Juan de Fuca Ridge.This was the first indication of the Juan de Fuca Ridge system
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Sounding record from Fish Commission Steamer ALBATROSS.
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Auxiliary vessels of the Coast and Geodetic Survey 1942.
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Ships of the Coast and Geodetic Survey 1942.
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The BLAKE anchored off WINDWARD Passage.George Belknap shipped Thomson piano wire machine to BLAKE in 1875Charles Sigsbee modified Thomson machine.Sigsbee sounding machine was the standard for many years
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Diagram of the Sigsbee Sounding Machine as used on the BLAKE.George Belknap shipped Thomson piano wire machine to BLAKE in 1875Charles Sigsbee modified Thomson machine to make the Sigsbee Sounding Machine. Sigsbee sounding machine was the standard fo
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Sigsbee Sounding Machine in use on the ALBATROSS.
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Sigsbee Sounding Machine on stern of ALBATROSS.
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