History of Oceanography Lyle Thompson 5th period

  • 276

    BC eratosthenes

    Eratosthenes calculated the circumference of the earth without leaving Egypt.
  • 320

    bc Pytheas

    bc Pytheas
    In 320 BC Pytheas sailed out of the Mediterranean Sea into the Atlantic Ocean.
  • Jan 7, 1400

    Portuguese

    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, 1420

    Prince henry the Navigator

    Prince henry the Navigator
    (4 March 1394 – 13 November 1460) He was responsible for the early development of European exploration and maritime trade with other continents. He never sailed on the expeditions but he had people he would send in ships.
  • Jan 7, 1519

    Ferdinand Magellan

    Ferdinand Magellan
    Magellan's expedition of 1519–1522 became the first expedition to sail from the Atlantic Ocean into the Pacific Ocean.
  • bc ptolemy

    bc ptolemy
    Figured out how to measure the angle of the stars to figure out where you are.
  • Benjamin Franklin

    Benjamin Franklin
    The lightning rod was invented by Benjamin Franklin in the Americas in 1749.A lightning rod or lightning conductor is a metal rod or conductor mounted on top of a building and electrically connected to the ground through a wire, to protect the building in the event of lightning.
  • James cook

    James cook
    Cook travelled north and in 1778 became the first European to visit the Hawaiian Islands.
  • Matthew Maury

    Matthew Maury
    In 1855, Maury wrote the first textbook on modern oceanography, The Physical Geography of the Sea and Its Meteorology.
  • Challenger expedition

    Challenger expedition
    The ship, commanded by Captain George Nares, sailed from Portsmouth, England, on 21 December 1872-76.[1] Under the scientific supervision of Thomson himself, she travelled nearly 70,000 nautical miles (130,000 km) surveying and exploring.Discovered about 4,700 new species of marine life.
  • Lewis Nixon

    Lewis Nixon
    Lewis Nixon invented the very first Sonar type listening device in 1906, as a way of detecting icebergs.
  • Bathysphere

    A bathysphere is a spherical deep-sea submersible which is unpowered and is lowered into the ocean on a cable.The first bathysphere was devised by Otis Barton in 1928. The firm that Barton hired in 1929 to construct his "diving tank".
  • A.D Vikings – Eric the Red

    982 A.D. Eric the Red sailed westward from
    Greenland and discovered Baffin Island.
  • BC Phoenicians

    In 590 BC the Phoenicians circumnavigated
    Africa and sailed the North Atlantic as far
    as European Coast and British Isle where
    they were known to trade for tin which is
    used in making bronze.
  • BC Greeks

    Herodontus constructed a map of the
    Mediterranean Sea in 490 BC.Pytheas sailed northward from Greece
    to Iceland in 325 BC and worked out a
    method for determining latitudes and
    using astronomical measurements
    proposed that tides were a product of
    lunar influences.