Oceanography Flashcards

Oceanography Terms

Another name for Latitude lines Parallels Another name for Longitude lines Meridians Prime Meridian 0 degrees International Dateline 180 degrees Define: Heading Direction you are actually going Define: Bearing Direction your destination lies in relation to your starting point How many nautical miles are in 1 degree? 60 nautical miles How many statute miles are […]

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Oceanography chapter 2

Aqua A NASA satellite designed to obtain data on Earth’s water cycle. Challenger expedition The first wholly scientific oceanographic expedition, 1872-1976; named for the steam corvette used in the voyage. Meteor expedition German Atlantic expedition begun in 1925; the first to use an echo sounder and other modern optical and electronic instrumentation. TOPEX/Poseidon Joint French-U.S. […]

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Oceanography Terms

Intertidal The shallow zone of the ocean where land meets water, which is alternately covered or exposed by the tied Sublittoral Benthic zone from the low-tide line to the seaward edge of the continental shelf; the subtidal zone. Bathyal Pertaining to ocean depths between approximately 1000 and 4000 meters. Abyssal benthic environment between 4000 m […]

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Oceanography – 1

Physical, Chemical, Biological, Geological Oceanography 4 disciplines of Oceanography Oceanography study of our oceans resource, travel/commerce, part of our environment how we view the oceans pacific islanders (polynesians) best at early navigation, made shell and stick diagrams shell and stick diagrams constructed by pacific islanders (polynesians) from astute observations on islands and wave patterns/wind direction […]

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Oceanography Chapter 8 Vocab

air mass A large mass of air with nearly uniform temperature, humidity, and density throughout. atmosphere The envelope of gases that surround a planet and are held to it by the planet’s gravitational attraction. atmospheric circulation cell Large circuit of air driven by uneven solar heating and the Coriolis effect. Three circulation cells form in […]

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Earth Science Oceanography

Deep Ocean Currents an ocean current formed when cold water flows underneath warm water. Surface Currents a horizontal movement of the ocean water and is caused by wind and that occurs near the top of the surface of the water. Coriolis Effect the effect of Earth’s rotation on the direction of winds and currents. Deflect/Deflection […]

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Oceanography Stuff-Chapters 1 and 2

What is Marine Science? The process of discovering the facts, processes, and unifying principles that explain the nature of the oceans and their associated life forms. What is Oceanography? The study of the water in the ocean, the life within it, and the solid earth beneath it. What are the four main branches of oceanography? […]

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Oceanography 1

Asthenosphere Partially melted, plastic-like portion of the upper mantle. Mesosphere Mantle Bathymetry The measurement of depth of the ocean. Lithosphere The rigid, brittle portion of the Earth’s structure. Seismicity Distribution, magnitude and frequency of earthquakes in an area. Lithosphere Least dense layer of the Earth. Lithosphere Thinnest layer of the Earth. Lithosphere Made up of […]

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Oceanography Equipment

gravity core mist basic sampling device used to collect core samples from the sea floor secchi disk used to estimate the tracparency of sea water dip net useful for scooping up seaweed, jellyfish, and othe drifting organisms from docks and sides of vessels sediment sieves used to analyze swdiment grain size composition phytoplankton nets a […]

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Oceanography Test Questions

What regulates our earth’s climate? physical processes at work in the ocean and interaction between the ocean and atmosphere past climate changes can be monitored by our ocean nebular hypothesis all bodies in the solar system formed from nebula nebula cloud of gases and space dust (hydrogen and helium sun gravity concentrates material at the […]

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Oceanography Answers

the ____ is the source of energy on Earth SUN Sun Fuels atmospheric circulation ocean circulation Incident angle of sunlight 1. Solar ‘footprint’ 2. Reflection (Diameter of Sun >100x Earth’s) Differential heating Excess heat from low latitudes is transferred to heat-deficit polar latitudes by both ocean and atmospheric circulation (but this occurs slightly differently in […]

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Oceanography Chapters 5-8 Review

Photic Zone Thin film of lighted water at and just below the ocean surface. 100-600 meters Pycnocline Zone in which density increases with increasing depth, 18% of ocean water Deep Zone 80% of ocean water, 3rd zone Halocline In some regions, especially in shallow water near rivers, a pycnocline may develop in which the density […]

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Oceanography Ch. 1-4 Exam

Pacific Ocean Deepest and largest ocean Atlantic Ocean Second largest ocean; separates the Old World from the New World Indian Ocean Slightly smaller than the atlantic ocean but has the same average depth; mostly in the southern hemisphere Arctic Ocean Smallest and shallowest ocean; has a permanent layer of sea ice Antarctic or Southern Ocean […]

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Skidaway Institute Of Oceanography

Oceanography differs from Oceanology in that Oceanography implies mainly describing the ocean, where as Oceanology is the study of the ocean The first stage in the history of ocean study was Primarily a time of exploration and describing ocean boundaries The second stage in the history of ocean study included the first compilation of scientific […]

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Oceanography I

what percent of the earth is covered by ocean 70.8% what percent of surface water is made up of oceans 97.2% Principle Oceans Pacific, Atlantic, Indian, Arctic, Antarctic/Southern Pacific ocean largest, deepest atlantic ocean 2nd largest arctic ocean smallest, shallowest, ice-covered antarctic/southern connects pacific, atlantic, and indian sea smallest/shallower than ocean; true sea must have […]

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Oceanography Quiz Questins

What is the world ocean? Why is there only one world ocean? is the interconnected system of the Earth’s oceanic waters. Because all of the oceans are one big world ocean all connected together. What are the major ocean basins? 5 Ocean Basins – Artic Basin – Atlantic Basin – Pacific Basin – Southern Ocean […]

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Chapter 15 Physical Oceanography Vocabulary

oceanography study of earths oceans including the creatures that inhabit its waters its physical and chemical properties and the effects of human activities; discipline usually considered to have begun with the challenger sea level level of the oceans surfaces which is presently rising 1 to 2 mm per year due to melting glaciers side scan-sonar […]

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Oceanography Final Exam

71% What percent of the Earth’s surface is covered by oceans? 78% nitrogen, 21% oxygen What are the two most abundant gases in the atmosphere? What is the percentage of each by volume? Infiltration Water moves from surface of Earth into ground Glacial ice, Antarctica, Greenland What is the 2nd largest reservoir in the hydrosphere, […]

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Oceanography Prologue Terms

Edward Forbes’s contributions to oceanography include -A proposed system of ocean depth zones, each characterized by specific animal populations -A systematic survey of marine life around the British Isles and in the Mediterranean and Aegean Seas Who developed the theory of atoll formation Charles Darwin What do the work of Sir John Ross and Sir […]

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Oceanography

Ocean Waves … Wave crest highest part of the wave wave trough lowest part of the wave wave height vertical distance separating the crest from the trough wave length horizontal distance between the crest of one wave and the crest of an adjacent wave wave period time it takes two successive crests to pass a […]

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Oceanography Quizlet

Definition of Oceanography the study of the oceans. Includes marine geology, physical oceanography, and marine biology Famous Marine Scientists Jacques Cousteau, Rachel Carson, James Cameron, and James Cook Average Salinity about 3.5 percent Salinity Definition Amount of Salt Salt comes from… river runoff With depth comes changes in… temperature and density Three Ways Water Moves […]

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