History of Oceanography Duy Mai 5th Period

By duy_mai
  • 160

    Petolomy BC

    Petolomy BC
    Map Maker
  • 250

    Eratosthenes BC

    Eratosthenes BC
    Discovered the circumference of the Earth
  • 330

    Pytheas BC

    Pytheas BC
    Circumnavigated Great Britain
  • Jan 5, 1418

    Prince Henry the Navigator

    Prince Henry the Navigator
    Prince Henry started the first school for oceanic navigation along with an astronomical observatory at Sagres, Portugal. In this school, people were trained in nagivation, map-making, and science, in order to sail down the west of Africa.
  • Jan 7, 1513

    Vasco Nunz de Balboa sights the Pacific Ocean

    Vasco Nunz de Balboa sights the Pacific Ocean
    Vasco sighted the Pacific Ocean for the first recorded time from a top of a mountain
  • Jan 3, 1521

    Ferdinand Magellan

    Ferdinand Magellan
    First Circumnavigation
  • James Cook

    James Cook
    Circumnavigated New Zealand and charted the north and south islands
  • Benjamin Franklin

    Benjamin Franklin
    First Scientist to study in graph wind speeds and current depth,. He also graphed the Gulf stream which helped navigators discover the currents
  • Matthew Maury

    Matthew Maury
    Matthew F. Maury develops oceanography, J. R. von Mayer (Germany), On the Forces of Inanimate Nature; Crawford Long uses ether on humans
  • Challenger Expedition

    Challenger Expedition
    Challenger returned to Spithead, Hampshire conducting 492 deep sea soundings, 133 bottom dredges, 151 open water trawls, 263 serial water temperature observations, and discovered about 4,700 new species of marine life
  • SONAR

    SONAR
    American engineers developed their own underwater sound detection technology. After technical information was exchanged between the two countries during the Second World War, Americans began to use the term SONAR for their systems, coined as the equivalent of RADAR
  • Bathysphere

    Bathysphere
    William Beebe descends to a depth of 3027 feet off the Bermuda in a tethered bathysphere to observe deep ocean life
  • Herodotus BC

    Herodotus BC
    He constructed a map of the Mediterranean Sea
  • Early Sailings of the Polynesians BC

    Early Sailings of the Polynesians BC
    Circumnavigated Africa in the North Atlantic navigated by watching wave patterns in made maps of shells and sticks
  • Vikings discover new lands through new routes

    Vikings discover new lands through new routes
    Leif Erickson discovers New Foundland and navigates through icy waterts, discovering limitations of that ocean area