Essentials of OceanographyRevised for increased readability, this full-colour text offers an insightful, ecologically-sensitive presentation of the relationship of scientific principles to ocean phenomena. Now better suited for non-major oceanography courses, this edition offers a broader study with a marked reduction in concentrated topic coverage, with a continued emphasis on how we must take more precautions in activities that can modify the environment and learn how to keep these modifications to a minimum. |
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Page 57
... Magnetic north B. Geographic north pole Magnetic pole Equator Magnetic equator Figure 3-5 Nature of Earth's Magnetic Field . A : Earth's magnetic field consists of lines of force like those a giant bar magnet would produce if placed ...
... Magnetic north B. Geographic north pole Magnetic pole Equator Magnetic equator Figure 3-5 Nature of Earth's Magnetic Field . A : Earth's magnetic field consists of lines of force like those a giant bar magnet would produce if placed ...
Page 58
... magnetic poles during a specific time and consider them to represent the geo- graphic poles . As these average positions for the magnetic poles were determined for rocks on the continents , it was found that their positions changed with ...
... magnetic poles during a specific time and consider them to represent the geo- graphic poles . As these average positions for the magnetic poles were determined for rocks on the continents , it was found that their positions changed with ...
Page 59
... magnetic north today would , during a period of re- versal , point south . It is not known why these reversals occur ... magnetic properties of rocks by a gradual decrease in the intensity of the magnetic field of one polarity until it ...
... magnetic north today would , during a period of re- versal , point south . It is not known why these reversals occur ... magnetic properties of rocks by a gradual decrease in the intensity of the magnetic field of one polarity until it ...
Contents
CHAPTER | 5 |
The RossesSounders of the Deep | 11 |
Law of the | 22 |
Copyright | |
31 other sections not shown
Common terms and phrases
air mass algae animals Antarctic areas Atlantic Ocean atmosphere bacteria barrier beach benthic biological bottom carbon cells centimeters chemosynthesis circulation coast coastal concentration continental shelf continental slope continents coral Coriolis effect currents deep deep-ocean density deposits depth developed Earth environment equator equatorial erosion estuary feeding feet Figure fish flow Gulf gyres heat energy Hemisphere high tide hydrogen hydrothermal vents increases islands kilometers latitudes layer lithosphere marine meters miles million moon move North Atlantic nutrients occur ocean basins ocean floor ocean surface ocean water oceanic crust oceanic ridges Oceanography open ocean organisms oxygen Pacific Ocean particles percent Photo photosynthesis phytoplankton plankton plants plate plate tectonics polar produce radiation reef regions rise rocks salinity sand sea level seafloor seawater sediment shore shoreline slope solar South species subtropical surface water tectonics temperature thermocline tide zone tion trenches tropical vapor volcanic warm water molecules wavelength waves whales wind