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17 Cards in this Set
- Front
- Back
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Herodotus |
Geographer 450 BC - created map of the world, accurate near Mediterranean |
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Ptolemy |
Roman mapmaker, 150 AD |
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What happened to information about the ocean after the collapse of the Roman empire? |
Knowledge was preserved by the Arabs, and expanded by the Vikings. After the Arabs got rich from trade, they tried to convert Europe to Islam. European monarchs got scared and pioneered trade routes to combat the Arab threat. |
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Christopher Columbus |
Built up Spanish empire with silver and gold |
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Balboa |
Age of discovery |
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Magellan |
Age of discovery |
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How did England become a seapower? |
As the Spanish became rich from trade, the English and the Dutch became pirates. England defeated the Spanish Armada in 1588 to become a seapower. |
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Kepler |
1571-1630: Studied planetary motions, discovered how the moon affects tides. |
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Galileo |
1564-1642: studied mass and acceleration |
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Isaac Newton |
1642-1721: Discovered unifying law of gravity, which helped to understand tides. |
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Challenger expedition |
1872-76: first scientific ocean expedition; took depth soundings, studied sea water chemistry |
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Voyage of the Meteor |
1925-27: German post-war rebound; first use of SONAR. |
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SONAR |
SOund NAvigation Ranging. Times echo of sound wave to determine distance. (error: inconsistency of the speed of sound) |
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***Cork Concept*** |
Low-density things float, high density things sink. |
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Benjamin Franklin |
As postmaster general, mapped the gulf stream currents |
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Cross bed |
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Angular unconformity |
Buried erosion bed, gap between quartzite and sandstone in Devil's Lake |
