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Presentation transcript:

Bathometry http://www.ua.ac.be/images/ua/container8722/water%20wereldbol.jpg

Divisions of the Ocean Basins http://static.newworldencyclopedia.org/thumb/7/71/Southern_Ocean.png/300px-Southern_Ocean.png http://www.whoi.edu/cms/images/mediarelations/ArcticSiteMap-Tracksnest_48352.jpg Arctic Ocean

Features of the Ocean Floor http://www.geocities.com/divedeep2007/images/fg12_08.jpg

Features of the Deep Ocean Floor http://www.navmetoccom.navy.mil/pao/Educate/OceanTalk2/images/image4.gif

Hydrothermal Vents http://www.divediscover.whoi.edu/images/vent_chemistry.jpg http://www.cesam.ua.pt/images/hydrothermal-vent.jpg

Classification of the Ocean Floor by Continental Margins Passive / Atlantic Type Active / Pacific Type http://www.whoi.edu/cms/images/lstokey/2005/1/v41n1-smith1en_5017.jpg http://www-tc.pbs.org/harriman/images/log/lectures/crossenvol/subduction_lg.jpg

Bentic (bottom) Zones Intertidal: (shallowest) Lies between low tide and high tide lines Extreme environment: exposed to sun and water, breaking waves. Many plants and animals live here.

Bentic (bottom) Zones Sublittoral: (below the tide) Largest number of benthic organisms live here. Submerged continental shelves

Bentic (bottom) Zones Bathyal Continental slope to 4000 m. Little or no light, plants scarce

Bentic (bottom) Zones Abyssal Hadal No light 6000m and below Used to describe trenches Uniquely warm and full of life

Pelagic (water column) Zones Neritic zone: (1) Located above cont. shelves (2) Abundant sunlight, moderate temps., low pressure (3) Ideal for marine life, source of most fish and seafood

Pelagic (water column) Zones Oceanic zone: (1) Extends into the deep and open ocean waters beyond cont. shelf (2) Marine life decreases with depth in the pelagic environment (water).

Mapping the Ocean Floor Bathometry Echosounding RADAR SONAR Satelites http://www.usnfra.org/images/IOOS_Obs_System_Full.jpg