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Oceanography Extra C
Term | Definition |
---|---|
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 |