-
276
Eratosphenes in 276-192 BC
First to determain the World's circumference -
325
Pytheas (325 BC)
Worked out a method for determining latitudes and using astronomical measurements proposed that tides were a product of
lunar influences. -
Jan 5, 1400
Prince Henry "The Navigator"
Early to mid 1400’s Prince Henry “The Navigator” established a marine observatory to improve the Portuguese sailing endeavors and conquered one of the greatest trades problems-getting around the tip of Africa -
Jan 5, 1513
Ferdinand Magellan
First circumnavigation -
James Cook
discovered Hawaiian group in 1778 and determined the outline of the worlds largest ocean and the first person known to cross the Atlantic circle. -
Benjamin Franklin
Discovered Surface currents and in 1777 published the first map of the Gulf Stream. -
Matthew Maury
established uniform methods of making nautical and meteorological observations at sea. -
Challenger Expedition
The Challenger Expedition was the first large-scale voyage with the purpose of increasing knowledge of the distribution of life in the ocean and of the chemical and physical properties of the ocean. -
Bathysphere (vessel)
a spherical deep-sea submersible which is unpowered and is lowered into the ocean on a cable. -
SONAR
a technique that uses sound propagation to navigate, communicate with or detect other vessels. -
Phoenicians (2000 BC)
They discovered the Canary Islands and established trade with Eastern Asia. -
Polynesians (2000 BC-500 AD)
Navigated by watching wave patterns; made maps made of shells and sticks -
Eric the Red (982 BC)
Descovered Baffin Island -
Herodotus (490 BC)
constructed a map of the Mediterranean Sea -
Ptolemy (127 BC)
Created a system call thePtolemaic System which predicted the positions of the plants accurately enough for naked-eye observations.
