Page 424 - (DK) Ocean - The Definitive Visual Guide
P. 424

422     OCEANS OF THE WORLD


               Oceans of                                                   There are five oceans separating the   longest mountain chains on Earth are
                                                                           world’s major landmasses, and
                                                                                                        the mid-ocean ridges, which circle the
                                                                           numerous marginal seas, gulfs, and
                                                                           connecting straits. The continents are   planet along the boundaries of the
                                                                                                        major tectonic plates.
               The World                                                   surrounded by shallow shelves, which   the most detailed knowledge of the
                                                                                                          The maps in this chapter draw on
                                                                           extend a variable distance from the
                                                                           shore before descending into the deep   topography of the global sea floor yet
               OCEANS COVER 71 PERCENT of Earth’s surface                  ocean basins. The ocean basins contain   assembled. They combine the latest
                                                                           the flattest parts of Earth’s surface—  measurements from satellite altimeters
               and contain 97 percent of its water. The geography of       the abyssal plains—but also the   with more than 100 years of ship-
               the ocean basins tells us much about Earth’s past and       greatest extremes of elevation, from   borne hydrographic surveys to give
                                                                           deep ocean trenches to the peaks of   the clearest possible portrayal of the
               the geological forces that continue to shape the world.     the world’s largest volcanoes. The   shape of the sea bed.
                 30ºE                  60ºE                   90ºE                  120ºE                  150ºE             180º
                   3,910m  Nansen Basin                                                (12,629ft)ARCTIC OCEAN
                                                                                       3,849m
                  (12,829ft)
                         Franz Josef Land                         Severnaya
                                                                    Zemyla                                                       Mendeleyev
                                                         5m                                                     2,814m           Ridge
                               Nemaya                    (16ft)                                Novosibirskiye Ostrova  (9,233ft)
                               Zemyla          Kara Sea                           Laptev Sea                                            73m
                                                                                                                    East Siberian      (240ft)
                     Barents Sea                                                                                       Sea         Chukchi
                                                                                      Lena                                           Sea
                                                                                                                                         Bering Strait
          Arctic Circle
          60ºN                                    Ob’                                                                                     20m
                                                                                                        Okhotsk Kamchatka  Aleutian  Bering   (66ft)
                                                                                                                            Basin
                                                                                                                                    Sea
                        Volga                     Irtysh                                                 Sea of  Peninsula       Aleutian Islands
             EUROPE                                                                    Amur          Ostrov                 Aleutian  Trench  7,184m
                                                                                                     Sakhalin
                                                                  ASIA                                 Kurile Islands                  (23,997ft)
          Danube                                                                                        Kurile          Trench
                                                                                                            9,763m
                Black Sea                                                                         Hokkaido  (32,098ft)
                                                                                            Sea of
                                                                                            Japan/       Northwest      Emperor Seamounts
                                                                                           East Sea        Pacific
                                                                             Yellow River  Yellow  Honshu  Japan  Basin
           Mediterranean                                                             Sea               Trench
                          Tigris
               Sea     Euphrates                                                        East
          30ºN                                                                         China
                 Nile                        Indus                         Yangtze      Sea                          Mapmaker
                                                                                      Taiwan
          Tropic of Cancer                          Ganges                       Taiwan Strait  Ryukyu  Trench        Seamounts 6,800m  Hawaiian Ridge
                                                                                                                         (22,311ft)
                            Arabian     Arabian                                          Philippine
                           Peninsula      Sea              Ganges                           Sea  Challenger       Mid-Pacific Mountains
                                                            Fan
                      Red Sea
                                                                                                            6,464m
                                                                                                 Deep
                                        Arabian          Bay of         Mekong  South   Philippine  10,920m  (21,208ft)
                                                                              China
                                         Basin
                            Gulf of Aden  4,481m         3,462m  Andaman  Sea  Basin Philippines  Basin  (35,829ft) Mariana  PA CIFIC
                                                         Bengal
                                                                                          10,057m
            AFRICA                      (14,702ft)      Sri             Sunda South       (32,997ft)  Trench  M i c r o n e s i a      Central
                                                        (11,359ft)
                                                                             China
                                                                             Sea
                                                       Lanka
                                                                                     Sea
                                     Ridge
                                                                                                                                        Basin
                                                                                                                    Basin
          Equator              4,836m  Carlsberg       Ceylon           Shelf       Celebes                       Melanesian            Pacific
                               (16,031ft)       Chagos–Laccadive Plateau  Plain  S u m a t r a  Borneo     M  e
                                                      (18,240ft) etyeast Ridge
                           Somali                                                 Celebes             Bismarck  l  a            6,249m
                                                                                                        Sea
                                                                                                    New
                           Basin                                           Java Sea    Banda      Guinea             n  e      (20,503ft)
                                                                                        Sea
                                                                          Java
                                                                              7,125m
                              Seychelles    Mid-Indian Ridge  Mid-Indian  Cocos  Investigator Ridge  Java  Trench  Timor  Arafura  Solomon  s  i  a
                                                                             (23,377ft)
                                                    Basin
                        Mozambique Channel Madagascar  INDIAN          Basin                           Great Barrier Reef  (5,174ft)  Basin  Tonga
                                                                                                           Sea
                                                                                              Sea
                                   Plateau
                                   Mascarene
              Zambezi           Mascarene             5,614m  Nin  Basin  Wharton       Sea                  Coral Sea   North
                                  Basin
                                                                                                                          Fiji Fiji
                                                                                                                1,577m
                                                                                                                                       Trench
                                                                         5,678m
                                         2,078m
          Tropic of Capricorn  Madagascar  (6,818ft)  OCEAN              (18,636ft)  AUSTRALIA                              South    (35,435ft)
                                                                                                                                     10,800m
                    Mozambique Plateau  Southwest Indian Ridge Basin   (16,339ft)    South Australian  Tasmania  Tasman  Zealand  Kermadec Trench  Louisville Ridge
                                                                                                                             Fiji
                                 Basin
                       Natal
                                                                          Basin
           30ºS       Basin Madagascar Plateau               Broken Ridge  Perth                      Darling      Lord Howe Rise  Basin
                                                                                        Great
                                                                                                     Murray
                                       4,936m
                                                                                     Australian Bight
        ATLAS OF THE OCEANS  Agulhas  Enderby  (17,671ft)  Kerguelen Plateau Antarctic Circle  South Indian Basin Plain  Fracture  Zone  (17,616ft)  Campbell  (17,677ft)
                                      (16,195ft)
                                                                                                                         New
                                     Crozet
           5,819m
                                                                       4,890m
                                                                                        Basin
          (19,092ft)
                                                                                                               Sea
                                                                                            South
                                                                                           Australian
                                                                                                             5,369m
           Basin
                                                              Southeast Indian Ridge
                                                                                                                       Plateau
                                                                                      5,386m
                                                                                                                                5,415m
                                                                                     (17,671ft)
                                                                                                       Tasman
                                 5,386m
              Atlantic–
               Indian
                           Plain
                                 SOUTHERN OCEAN
          60ºS
                                                                                                                       Pacific–Antarctic Ridge
               Basin
                                                                                                               95m
                                               Mackenzie
                                                                                                               (312ft)
                                                 Bay
             SCALE
                   1,000 1,500 2,000 2,500
                500
                                Km
             0
                                                                        ANTARCTICA
                                                                                                                                 Ross Sea
                  500
                                          Miles
                       1,000
             0
                                        2,500
                                  2,000
                             1,500
                                                                                                                            Ross Ice Shelf
                 30ºE                  60ºE                   90ºE                  120ºE                  150ºE             180º
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