Jan14_09_Notes

Jan14_09_Notes - A History of Oceanography (The early...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
A History of Oceanography (The early history of oceanography/marine science is closely related to the history of ocean exploration and voyaging)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Understanding the Ocean Began with Voyaging for Trade and Exploration Polynesian migration in the Pacific Ocean (20,000 years ago). (First demonstration of ability and knowledge to navigate transoceanic voyages).
Background image of page 2
Polynesian colonization of Pacific islands Ability to navigate trans-oceanic voyages utilizing stars, clouds,wave & wind pattern, migrating birds, etc. Arrows show a possible direction and order of settlement.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Maritime activity by Egyptians dates as far back as 4000 BC Systematic study of the ocean began at the Library of Alexandria. The Library of Alexandria , in Egypt was founded in the third century B.C. became a repository of maritime records describing the Mediterranean coast. The principles of celestial navigation were invented at the Library of Alexandria.
Background image of page 4
Eratosthenes of Cyrene was the second librarian at Alexandria. He was the first to calculate the circumference of Earth. He also invented a system of longitude and latitude. A diagram showing Eratosthenes’s technique for calculating the circumference of Earth. As described in the text, he used simple geometric reasoning based on the assumptions that Earth is spherical and that the sun is very far away. Using this method, he was able to discover the circumference of Earth to within about 8% of its true value.
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Pytheas was a notable Greek sea adventurer The Greek World according to Herodotus (450 BC) (Greeks knew “the Earth is a sphere”) Mediterranean Sea
Background image of page 6
during the Dark-Ages) (476 A.D. – 1000 A.D.) Vikings periodically raided various parts of Europe. By 1000 A. D. the Vikings had
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 24

Jan14_09_Notes - A History of Oceanography (The early...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online