Oceanography And related materials. Food chain begins with:  Algae  Phytoplankton (plant plankton)  Other plants.

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Presentation transcript:

Oceanography And related materials

Food chain begins with:  Algae  Phytoplankton (plant plankton)  Other plants

Porifera

Mid-ocean ridges  They are all divergent boundaries (spreading apart)

Sargasso Seaweed  Seaweed that sea turtles live in, in the middle of the Atlantic

Primary Consumers  Zooplankton (animal plankton)  Krill

@ Top of the Food Chain:  jaws.mp4 jaws.mp4

Narwhal

Salinity  Salinity = saltiness  Ocean water is 96.5 parts pure water, with 3.5 parts (or %) salts.  Salt ions= calcium, chlorine, sodium, potassium, etc.

Depth  Deeper you go: –Saltier it gets (its more dense) –Colder it gets (less sunlight) –Higher pressure  Most plankton and corals close to surface, bc they need sunlight. Why?

Upwelling  The process that brings nutrient rich water up from the deeps.  These nutrients power plankton  It can provide more Calcium, which oysters and shellfish use to make their shells

Ocean currents

 Crest-top of wave  Trough-bottom of wave  Period-distance between waves

Ocean floor

Oceans  Largest:  1. Pacific  2. Atlantic  3. Indian  4. Antarctic

Why does ice float?

El Nino  This occurs every 4-5 years, when a warm ocean current in the pacific reverses course (for some unknown reason).  This affects weather all over the globe.

References  kenneth-albin.jpg kenneth-albin.jpg kenneth-albin.jpg  /content/herstory/ /1958zooplankton.jpg&imgrefurl /content/herstory/ /1958zooplankton.jpg&imgrefurl /content/herstory/ /1958zooplankton.jpg&imgrefurl  0Africa%5B6%5D.jpg 0Africa%5B6%5D.jpg 0Africa%5B6%5D.jpg  wallpapers.com/bulkupload/wallpapers/Big%20Waves/surfing-on-huge- wave.jpg wallpapers.com/bulkupload/wallpapers/Big%20Waves/surfing-on-huge- wave.jpg wallpapers.com/bulkupload/wallpapers/Big%20Waves/surfing-on-huge- wave.jpg  1.jpg 1.jpg 1.jpg  _web.jpg _web.jpg _web.jpg  Cast jpg Cast jpg Cast jpg

More References  ex.com/ocean-floor.1.jpg ex.com/ocean-floor.1.jpg ex.com/ocean-floor.1.jpg   depth.jpg depth.jpg depth.jpg  eancurrents.gif eancurrents.gif eancurrents.gif  ns.jpg ns.jpg ns.jpg  separate.jpg separate.jpg separate.jpg