History. The world may ocean be considered as a single entity with temporary partitions. It covers...
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Transcript of History. The world may ocean be considered as a single entity with temporary partitions. It covers...
![Page 1: History. The world may ocean be considered as a single entity with temporary partitions. It covers 71% of the earth’s surface.](https://reader036.fdocuments.in/reader036/viewer/2022071806/56649f585503460f94c7e13c/html5/thumbnails/1.jpg)
CHAPTER 1History
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The world may ocean be considered as a single entity with temporary partitions. It covers 71% of the earth’s surface
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Marine science—oceanography –is the process of discovering unifying principles in data obtained from the ocean
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Science is the process of asking questions about the observable world and then testing the answers to those questions. The external world , not internal; conviction, is the testing ground for scientific beliefs.
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The ocean did not prevent humans from occupying nearly place on Earth that could sustain them
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The origin of marine species lie in voyaging—traveling on the ocean for a purpose. Technological advances made during voyaging and later marine exploration led to the rise of scientific oceanography.
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Earth's shape and circumference were accurately estimated around 230 B.C. at the Library of Alexandria, Egypt. The use of latitude and longitude for positioning and navigation also began there.
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Christopher Columbus did not discover North America and he did not sail around the world.
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Captain James Cook, Royal Navy, was perhaps the first ocean observer careful enough to be considered a marine scientist
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The Challenger expedition was the first purely scientific voyage of ocean exploration
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Polar studies greatly advanced marine science at the beginning of the 20th century.
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Nearly all the research conducted not by individuals but by teams of specialists working in large, nationally funded oceanographic or military institutions
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The tools of modern oceanography include satellites, manned and unmanned (ROV), computer modeling.