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Oceanography Extra C

TermDefinition
AUV Autonomous underwater vehicle- preprogrammed devices that are not tethered to surface vessels and can perform a wide variety of tasks on the ocean floor
Alvin submersible that produced the first images of the wrecked Titanic
Bathysphere a spherical chamber with windows that can be lowered into the sea so humans can observe marine life and ocean floor.
Columbus rediscovers america in 1492
Cook an English navigator and prolific explorer, went on three voyages of scientific discovery
Eratosthenes determined Earths circumference and invented first latitude and longitude system
Leif Erikson set sail from Greenland and and discovered Vinland and North America
Edward Forbes dredged ocean floor and discovered new sea creatures. Father of modern oceanography
GPS Global Positioning System; system of satellites that transmit microwave signals to Earth
HMS Challenger Expedition Oceanography, as a scientific research began with this expedition in 1872
Latitude Equator 0 degrees Poles 90 degrees distance north or south of equator
Longitude Prime Meridian 0 degrees opposite side 180 degrees intersects at poles, east or west of prime meridian
Ferdinand Magellan first person to sail around the world
Matthew Maury father of physical oceanography, studied physical geography of the sea, among 1st to envision worldwide patterns for surface/ wind currents
Ptolmey mapped the first sphere on flat paper, improved lat and long system
Pytheas predicted tides by studying the moon, first person to figure out how far north or south you are by the North Star
ROV Remotely operated vehicle; underwater vehicle that is operated remotely and not manned by humans
Scripps Institute institute that contributes to ocean research
SCUBA self contained underwater breathing apparatus. portable device that uses compressed air for breathing
Sonar Sound navigation and ranging. method by which objects can be located in the ocean.
Submersibles a vessel that can take humans beneath the ocean surface or an unmanned vehicle that can be remotely controlled from the surface
Woods Hole Oceanographic Institute famous institute in Massachusetts
Created by: madhub
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