Chapters 14 & 15 - Ocean Floor, Ocean Water and Ocean Life

18 terms by KJanowicz 

Create a new folder

Advertisement Upgrade to remove ads

Abyssal Plains

Deep and extremely flat features found on ocean floor they are the most level places on Earth.

Bathymetry

The measurement of ocean depths and the charting of the shape or topography of the ocean floor.

Benthos

Describes organisms living on or in the ocean bottom.

Continental Margin

The zone of transition between a continent and the adjacent ocean basin floor.

Continental Rise

In regions where trenches do not exist the steep continental slope merges into a more gradual incline this exists.

Continental Shelf

The gentle sloping submerged surface extending from the shoreline.

Continental Slope

This marks the seaward edge of the continental shelf.

Mid-Ocean Ridge

Found near the center of most ocean basins and interconnected system of underwater mountains that have developed on newly formed ocean crust.

Mixed Zone

The area of the surface created by the mixing of water by waves and current and tides.

Nekton

Includes all animals capable of moving independently of the ocean currents by swimming or other means of propulsion.

Ocean Basin Floor

This lies between the continental margin and mid-ocean ridge.

Plankton

Includes all organisms - algae, animals, and bacteria - that drift with the ocean currents.

Pycnocline

The layer of ocean water between about 300 meters and 1000 meters where there is a rapid change of density with depth.

Salinity

The total amount of solid material dissolved in water.

Seamounts

The submerged volcanic peaks that dot the ocean floor.

Sonar

An acronym for sound navigation and ranging, also referred to as echo sounding.

Thermocline

The layer of ocean water between about 300 meters and 1000 meters, where there is a rapid change of temperature with depth.

Turbidity Current

Occasional movements of dense, sediment-rich water down the continental slope.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set