UWEC GEOL 102 - Post-Roman World (2 pages)

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Post-Roman World



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Post-Roman World

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Lecture number:
1
Pages:
2
Type:
Lecture Note
School:
University of Wisconsin-Eau Claire
Course:
Geol 102 - Oceanography
Edition:
1

Unformatted text preview:

GEOL 102 1st Edition Lecture 1 Outline of Current Lecture I History of Oceanography A Roman empire collapses B Knowledge of Greek and roman world largely dies with Roman Empire in Middle Ages a Middle Ages Arabs become maritime traders i Trade with India and Southwest Asia for silks and spices ii Become accomplished celestial II Age of Discovery 1487 1522 A Western European monarchs seek trade routes and riches a Columbus b Balboa c Magellan III England becomes ruler of the seas A England defeats Spanish Armada in 1588 a English know that in order to project power around the world and maintain world trade they need to understand the oceans IV Advances in Scientific understanding A Keepler 1571 1630 Planetary motion B Galileo 1564 1642 Mass and acceleration C Newton 1642 1721 Unifying law of gravity V Cruise of the Challenger 1872 1876 A British ship circuit navigated the ocean B Scientific research vessel a Nets collected organisms Ect b Made 500 depth measurements of the ocean a Used cable and anchor a Problems such as reef and rope not being long enough occured VI Voyage of the Meteor 1925 1927 between world war I and II A German ship B First use of Sonar a Depth measured with travel time of sound b Sound navigation ranging These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute c Start of the re arming for Germany after WWI VII Sources of error with sonar A Density sound not consistent B Timing VIII Cork Concept Low density things float high density things sink Ocean denser at the bottom so sound wave speeds up VIII Glomar Challenger 1968 1983 A USA Ship a Drills hole in sea floor and returns sediment cores a Look at chemistry of core to determine climate and age Vii What is a scientist A Observes natural world form hypothesis experiment collect data analyze data evaluate data and hypothesis re test publish uses scientific method B Idea becomes a theory after test



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