introduction course overview history of oceanography intro to earth
TRANSCRIPT
![Page 1: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/1.jpg)
Introduction
Course overview
History of Oceanography
Intro to Earth
![Page 2: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/2.jpg)
Course web page
chem.winthrop.edu Click on Courses on left column Find GEOL 220 link
Syllabus, topic outlines, schedule, etc.
![Page 3: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/3.jpg)
Interdisciplinary
Biology Chemistry Physics Geology Geography Political Science Mathematics Computer Science
![Page 4: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/4.jpg)
History of Oceanography
Early Middle Ages Age of Discovery Discovery with Science Modern Oceanography
Different motivations at different times
![Page 5: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/5.jpg)
The Oceans
Atlantic Pacific Indian Arctic Southern Ocean
![Page 6: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/6.jpg)
Early history
Reasons: trade, fishing, defense
Self centered view of Earth Examples
![Page 7: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/7.jpg)
Early history (2)
Difficult to navigate without shorelines Phoenicians (approx. 1000 BC)
Polynesians (300-600 AD most important)
![Page 8: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/8.jpg)
Early history (3)
Greeks (approx. 500 BC)– Erasthosthenes (working in Egypt) –
circumference of earth– Pliny the Elder – phases of moon and tides– Ptolemy (approx. 150 AD) – vast ocean, used lat
and long
![Page 9: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/9.jpg)
Middle Ages
Very little exploration except
Vikings (approx. 1000 AD)
Arabs
![Page 10: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/10.jpg)
Age of Discovery (1)
Travel for economic, political and religious reasons
Portugal: – Prince Henry– Dias (1497)– Vasco Da Gama (1498)
![Page 11: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/11.jpg)
Age of Discovery (2)
Spain Columbus (1492) Vespucci (~1500) Balboa (1513) Magellan (1522)
![Page 12: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/12.jpg)
Discovery with Science
Discovery with some science James Cook (1768-1780) Ben Franklin (1769) Matthew F. Maury (early 1800s)
![Page 13: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/13.jpg)
Purely scientific Challenger Expedition (1872-1876) Extremely significant
![Page 14: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/14.jpg)
More for science
Voyages of Nansen aboard Fram (end of 1800s)
Meteor expedition (1925-27)
![Page 15: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/15.jpg)
Modern Oceanography (since 20th century)
International Interdisciplinary Scientific Complex instruments “Modern” technology
![Page 16: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/16.jpg)
Modern Oceanography
US funding Oceanographic institutes Drill ships, satellites, for example International cooperation
![Page 17: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/17.jpg)
Origin of solar system: nebular hypothesis
![Page 18: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/18.jpg)
Layered Earth
Density stratification
Core MantleCrustOceans and Atmosphere
Lithosphere Asthenosphere
![Page 19: Introduction Course overview History of Oceanography Intro to Earth](https://reader036.vdocument.in/reader036/viewer/2022062516/56649de95503460f94ae3d05/html5/thumbnails/19.jpg)
Geologic time
Details not important here Vast length of time very important Compare to human time