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Ocean Structures

Ocean Structures. Coastal vs. Open Sea. Coastal vs. Open Sea (Pelagic). Sunlight present = photosynthesis = plankton 200 m. Euphotic Bathyal Abyssal. Little to no light = no plankton, fewer organisms, slow metabolism and energy efficient.

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Ocean Structures

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  1. Ocean Structures

  2. Coastal vs. Open Sea

  3. Coastal vs. Open Sea (Pelagic) • Sunlight present = photosynthesis = plankton • 200 m Euphotic Bathyal Abyssal • Little to no light = no plankton, fewer organisms, slow metabolism and energy efficient - Deep sea, highest pressure, coldest temps - benthic - abyssal plain

  4. Coastal vs. Open Sea (Pelagic) (Near coast waters and adjacent land) • Sunlight present = photosynthesis = plankton • 200 m Euphotic Bathyal Abyssal Backshore Spray Intertidal Continental Shelf Continental Slope Continental Rise - Land behind spray zone/waves - Where land meets ocean • Little to no light = no plankton, fewer organisms, slow metabolism and energy efficient - Where land meets ocean - Deep sea, highest pressure, coldest temps - benthic - abyssal plain

  5. Bathymetry Los Angeles Imagine the water level lowered….

  6. - edge of a continent that is under the ocean, usually exposed during ice ages Continental shelf Continental slope Continental rise - relatively steep transition - gentle transition, made of accumulated sediments

  7. Guyots (table mounts)

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