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Oceanography
Oceans
54
Geology
Undergraduate 2
01/23/2009

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Cards

Term
What percentage of the earth is covered by oceans?
Definition
70.8%
Term
What percentage of surface water is in the oceans
Definition
97.2%.
Term
Which ocean is the largest and the deepest?
Definition
Pacific
Term
Which ocean is the second largest?
Definition
Atlantic
Term
Which ocean is mainly in the southern hemisphere?
Definition
Indian
Term
Which ocean is the smallest, shallowest and ice covered?
Definition
Arctic
Term
Which ocean connects the Pacific, Atlantic and Indian
Definition
Antarctic or Southern Ocean (south of about 50 Deg. S latitude
Term
Describe ocean vs. sea
Definition
Sea is smaller and shallower, usually enclosed by land, salt water, directly connected to the world oceans.
Term
What is the Sargasso Sea
Definition
It is a sea in the north atlantic ocean surrounded by ocean waters
Term
What is the average depth of the ocean?
Definition
3729 m (12,234 ft)
Term
What is the average elevation of land
Definition
840 m (276 ft.)
Term
Where is the deepest ocean trench?
Definition
Mariana Trench 11,022 m (36,161 ft)
Term
What is the highest mountain on land
Definition
Mt Everest, 8850 m (29,935 ft)
Term
Who were the early explorers of the oceans?
Definition
The phoenicians in 1500 B.C.
Term
When was the libary of Alexander founded?
Definition
3rd C. B.C. in Egypt
Term
Where was the principles of celestial navigation invented?
Definition
AT the LIbrary of Alexandria
Term
Who first calculated the circumference of the earth?
Definition
Eratosthenes of Cyrene (40000 km),who was also the 2nd librarian at Alexandria
Term
Who invented the system of longitude and latitude?
Definition
Eratosthenes of Cyrene
Term
Who first catalogued marine organisms?
Definition
Aristotle (384-322 B.C.)
Term
Who related phaes of the moon to the tides and described the ocean current moving through the Straits of Gibraltar?
Definition
Pliny the Elder (23-79 A.D.)
Term
Who produced the first world atlas?
Definition
Ptolemy (127-151 A.D.)
Term
Who produced the first world atlas?
Definition
Ptolemy (127-151 A.D.)
Term
What is the Polynesian colonies an example of?
Definition
Knowledge of the oceans and marine science used to colonize vast number of islands.
Term
What did the Chinese invent that helped with sailing?
Definition
The Compass, the central rudder, water-tight compartments and sails on multiple masts.
Term
What era were the vikings powerful?
Definition
The MIddle Ages
Term
Who were the Vikings?
Definition
Pirates and Raiders, Farmers and explorers and colonizers.
Term
Where did the Vikings colonize?
Definition
Iceland, Greenland, Vinland (America)
They traveled from Iceland to Greenland with 25 boats and 600 people, 14 boats remained.
Term
What are the viking boats called?
Definition
Knarrs - merchant ships. Longboats (drakkar) - warships.
Term
What did the Vikings use to navigate?
Definition
Navigation table - needle in the center of table measured sun's height and bar around edge plotted ship's course
Term
Who first found North America?
Definition
Bjarni Herjolfsson in 986 A.D. He was going from Iceland to Greenland and sailed too far SW and was the first Viking to see Newfoundland. However, he did not land there. He went to Greenland to meet his people.
Term
Who first set foot on N. America?
Definition
Leifr Eriksson in 995 A.D. He was son of Eric the Red. Inspired by Bjarni, he set out to look for Vinland
Term
Who first colonized Vinland (America)
Definition
Thorlinner Thordarson and Freydis Eriksdottir in 1015 A.D.
Term
Who is Snorri Karlsefni
Definition
First baby born in N. America (a boy)
Term
Who was Prince Henry the Navigator
Definition
New World explorer - 3rd son of royal family of portugal.
Term
Who was Eric the Red
Definition
The viking who sailed west from iceland and discovered greenland.
Term
What were Prince Henry's contributions to navigation?
Definition
Center for the study of marine science and navigation and sponsored voyages down the coast of Mauretania (primarily slaving expeditions).
Term
Who "discovered" north america?
Definition
Christopher Columbus (1451-1506) while trying to find a western route to Asia.
Term
Who was Vespucci Amerigo?
Definition
Italian navigator who explored the northern shore of S. America during 4 voyages.
Term
Who is American continent named after?
Definition
Vespucci Amerigo (1454-1512)
Term
Who was Juan Ponce de Leon?
Definition
Spanish explorer (1460-1521), born in San Servos, Leon.
Term
Where die Ponce de Leon explore?
Definition
Florida and accompanied Coplumbus on his second voyage to America
Term
Who was Ferdinand Magellan?
Definition
(1480-1521) Initiator and leader of the first expedition to circumnavigae the blobe (1519-21).
Term
Who was James Cook?
Definition
(1728-1779) The first real scientific oceanography voyages were by him.
Term
What were the names of James Cook ships
Definition
HMS Endeavour, Resolution, Adventure
Term
Where was Cook's first voyage?
Definition
South Pacific Ocean
Term
Who was the first European to land on Vancouver Island?
Definition
James Cook.
Term
Who coined the word oceanography?
Definition
John Murray (1841-1914)
Term
What was John Murray's contribution to oceanography?
Definition
published 50 volumes and reports on the HMS Challenger voyage.. mid-atlantic ridge and oceanic trenches. Saharan desert deposits in deep ocean sediments.
Term
What are the 20th century explorations
Definition
Meteor expedition (1925) first use of echo sounder.
Term
What wasthe first research ship built for ocean studies?
Definition
U.S.S. ATLANTIS (1931) - confirmed MAR (METAMORPHISIC GRADE - ROCKS SWITCHING POLARITY).
Term
wHAT DID THE hms cHALLENGER DISCOVER?
Definition
in 1951 - the deepest part of the ocean's deepest trenches.
Term
What is GLOMAR?
Definition
Global Marine, first deep sea drilling vessel, confirmed ages of sea floor sediments and sea floor spreading hypothesis -- evaporites in cores - first evidence that the Medt. Sea once dried up . Led to the JOIDES Resolution and eventually the Deep Sea Drilling Program.
Term
What is SEASAT?
Definition
First oceanographic satellite, used radar, microwave, scanning multichannel microwave radiometer, infrared radiometer to measure height, wind, temperature, etc.
Term
What is TOPEX/Poseidon?
Definition
Satellite Oceanography Measures sea surface topography.
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