PPT-The Ocean Floor

Features of the Ocean Floor Continental Shelf Zone of shallow water where the ocean covers the end of the continent Shallow slope Where most ocean life is found Why Answer Photic zone is the first 100 feet of water and allows sunlight to penetrate the water . Rockefeller Jr Memorial PKWY Big Hole NB Cowpens NB Fort Donelson NB Fort Necessity NB Moores Creek NB Petersburg NB Stones River NB Tupelo NB Wilsons Creek NB Kennesaw Mountain NBP Richmond NBP Brices Cross Roads NBS Chickamauga and Chattanooga NMP . M. Anderson, 2009. Ocean provinces. 3 major provinces. Continental margins. Shallow-water areas close to shore. Deep-ocean basins. Deep-water areas farther from land. Mid-ocean ridge. Submarine mountain range. Check your notes for . key ideas!. 1. Mid-Ocean Ridges.  . . An . underwater mountain . range stretching all over Earth.. . Scientists . used sonar to map the ocean . floor. Mapping the mid-ocean ridge made scientists more curious about what is happening . Floor . --subsurface topography--. Ch. 13, section 2. (before the 1900’s scientists thought the ocean floor was completely flat). Sonar. (sound navigation and ranging). --invented during WWI--. to find depth: use the formula: . Chapter 14 . pg. 393. A. The Vast World Ocean. The blue planet. 71% of earth is covered by ocean. Oceanography – study of the ocean. Geography of oceans. 4 main ocean basins. Pacific Ocean. Largest ocean. 20.3. Seafloor sediments. Ocean . floor is mantled with sediment. Sources. Turbidity . currents. Sediment . that slowly settles to the . bottom from . above. Thickness . varies. Thickest . in trenches – accumulations . http://www.pbs.org/wgbh/nova/alicia/submersibles.html. Difficulty in exploring the ocean. Sunlight does not penetrate far below the surface. . Water is very cold. . Tremendous pressure. . Technology Used To Study Ocean Bathymetry. http://www.youtube.com/watch?v=3GRA7ilM708. Difficulty in exploring the ocean. Sunlight does not penetrate far below the surface. . Water is very cold. . Tremendous pressure. . Technology Used To Study Ocean Bathymetry. 20.2. Continental Margins. The line that divides the continental crust from the oceanic crust is not always obvious.. Shorelines are not the true boundaries between the ocean floor and continents.. The real boundary lies offshore beneath the ocean and thick sediments.. MEDITERRANEAN SEA. NILE RIVER. CONGO RIVER. ZAMBEZI RIVER. NIGER RIVER. ATLAS MOUNTAINS. SAHARA DESERT. DRAKENSBURG MOUNTAINS. GREAT RIFT VALLEY. ETHIOPIAN HIGHLANDS. KALAHARI DESERT. MT. KILAMANJARO. How do different currents form. What is upwelling. What do ocean currents transfer. Predict. T F. Ocean currents are always cold. C. ontinents affect the direction of currents. Currents only flow near the surface of the ocean. In this article, we will review some of the most important things to consider while deciding on kitchen floor tiles. Explore more! Ocean . Floor Features. When we look across the ocean, we see miles and miles of water. However, if we were to look under all this water, we would see many geological features that look very similar to those found on land.. Section 4. Standard . S 6.1 Students know evidence from plate tectonics is derived from the fit of the continents and mid ocean ridges. . Vocabulary. Mid-ocean ridges. Sonar. Sea floor spreading. Deep ocean trench.