History of Oceanography Joshua Gema 1st Period

By gema_joshua
  • 200

    Ptolemy

    Ptolemy
    Used stars to navigate the seas.
  • 400

    Pytheas

    Pytheas
    Greek geographer
  • May 6, 1418

    Prince Henry the Navigator

    Prince Henry the Navigator
    Made a school that teaches Portugees sailors to navigate.

  • Benjamin Franklin

    Benjamin Franklin
    Observed the Gulf Stream

  • Matthew Maury

    Matthew Maury
    Maped ocean currents and winds.

  • Challenger Expedition

    Challenger Expedition
    1st expedition organized specifically to gather data on a wide range of ocean features, including ocean temperatures seawater chemistry, currents, marine life, and the geology of the seafloor. Started in December just before Christmas and lasted to May, four years later.

  • SONAR

    SONAR
    Sound navigtion used to map ocean floor.

  • Bathysphere

    Bathysphere
    Diving vesal the first bathysphere was devised by Otis Barton in 1928 and designed by Captain John H. J. Butler