Oceanography

By delpar
  • 300

    Ancient Greek Pytheas

    Ancient Greek Pytheas
    300 BC. They sailed the Mediterranean sea to the Atlantic
  • Period: 300 to Nov 7, 1200

    BC

  • 320

    Egyptians

    Egyptians
    3200 BC. The Egypitans had the first recorded sea voyage.
  • Nov 1, 1000

    Polynesians

    Polynesians
    John Murray was the first to note the existence of the Mid-Atlantic Ridge and of oceanic trenches.
  • Nov 1, 1200

    Ancient Phoeni­cia

    Ancient Phoeni­cia
    1200 BC. Made sea maps to navigate
  • Period: Nov 1, 1201 to

    A.D.

  • Nov 1, 1500

    Leonardo da Vinci

    Leonardo da Vinci
    He designs his very own draft of a scuba designs. His designs later foreshadow diving suits.

  • Robert Boyle

    Robert Boyle
    Robert Boyle studied the physical properties of compressed gas. The laws he concluded provided the foundation used in underwater exploration which determines changes in gas volume because of increasing and decreasing in pressure.

  • John Harrison

    John Harrison
    John Harrison was a self educated man who invented the first clock that operated out at sea.

  • John Lethbridge

    John Lethbridge
    In 1715 John Lethbridge consructs his Diving Engine in Devon.

  • Captain James Cook

    Captain James Cook
    Captain James Cook mapped the pacific.

  • Benjamin Franklin

    Benjamin Franklin published the first map of the gulf stream.

  • First ship sinkage by a submarine

    First ship sinkage by a submarine
    The confederate submarine, Hunley, sank the Fereral warship U.S.S.Housatonic during the Civil War. This was our first sinking of an enemies ship by submarine.

  • HMS Challenger

    HMS Challenger
    1872-1876. First real voyage to investigate "everything about the sea". They took water samples and temperature measurements, recorded currents and barometric pressures and collected bottom samples. Brought back data that eventually filled 50 large volumes.

  • First underwater camera

    First underwater camera
    1893-98. Louis Boutan takes the very first underwater photograph using a wet-plate camera.

  • Sonar

    Sonar
    Sonar is a technique that uses sound propagation (normally underwater) to navigate at sea.

  • The Titanic

    The Titanic
    The Titanic set sail April 10, 1912 and sunk in the Atlantic after hitting an iceberg on April 14,1912.

  • Lusitania

    Lusitania
    Lusitania is sunken by German submarine.

  • German Meteor Expedition

    German Meteor Expedition
    They explored the South Atlantic ocean from the equatorial region to Antartica. They studied water temperature, took samples and studied marine life.

  • Trieste Expedition

    Trieste Expedition
    Was the first to reach 35,800 in the Marina Trench

  • GPS

    GPS
    Was invented by the U.S. Department of Defense and Ivan Getting. This allows scientists to discover sunken ships and know their location