Oceanography week 1
Oceanography week 1 GEOG 2107
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This 1 page Class Notes was uploaded by Ivana Szwejkowski on Friday September 2, 2016. The Class Notes belongs to GEOG 2107 at George Washington University taught by Dr. Joseph Kravitz in Fall 2016. Since its upload, it has received 5 views. For similar materials see Oceanography in Geography at George Washington University.
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Date Created: 09/02/16
Oceanography Early History of Ocean Exploration (Philosophers) Geographers and Explorers 1. Eratosthenes- an astronomer and poet and the Greek Geographer Strabo 250 B.C. “The continents of the world formed a single island surrounded by the ocean.” 2. Ptolemy- the Greek astronomer in the middle of the second century A.D. believed that the Indian and Atlantic oceans are enclosed seas, like the Mediterranean. He also believed that the eastern and western points of the world known at the time were very close together, and that by sailing west one could reach the eastern extremity rather quickly. It was this idea that led Columbus to sail west to reach Asia. 3. For the most part the Phoenician merchant marine plied its trade in the relatively calm Mediterranean fearing the stormy gray Atlantic west of the Pillars of Hercules. However, it was the discovery of the beautiful Murray Snails that took them into the Atlantic along the shores of North Africa. The dye extreled by the snail became the most prized color of imperial authority. 7 century B.C. The hydrologic cycle and annual transfer rates. Snow and rain together equal precipitation. Sublimation, the direct transfer of ice to water vapor, is included under evaporation. Surface flow and underground flow are considered as land runoff. Annual transfer rates are in thousands of cubic kilometers.
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