ocean vo cab Flashcards
(25 cards)
Pacific Ocean
Largest Ocean
Atlantic ocean
Second Largest Ocean
Indian Ocean
Warmest ocean in the world
Arctic Ocean
Smallest Ocean
Southern Ocean
Added to the list of oceans in 2000
Salinity
the quality or degree of being saline
surface zone
extends downward 200 meters or roughly 5% of the ocean’s average depth.
Thermocline
a steep temperature gradient in a body of water such as a lake, marked by a layer above and below which the water is at different temperatures
deep zone
The deep zone is the largest part of the articular cartilage.
water cycle
water evaporates, condenses, falls as precipitation, and eventually evaporates again
evaporation
the process of water turning into vapor
condensation
process where water vapor turns into liquid.
precipitation
condensated water falling back down to the ground.
continental shelf
A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea.
continental slope
the slope between the outer edge of the continental shelf and the deep ocean floor.
continental rise
The continental rise is a low-relief zone of accumulated sediments that lies between the continental slope and the abyssal plain
abyssal plain
an underwater plain on the deep ocean floor
mid ocean ridge
A mid-ocean ridge is a seafloor mountain system formed by plate tectonics
rift valley
a large elongated depression with steep walls formed by the downward displacement of a block of the earth’s surface between nearly parallel faults or fault systems.
seamount
a large geologic landform that rises from the ocean floor that does not reach to the water’s surface.
ocean trench
steep depressions in the deepest parts of the ocean
plankton
the diverse collection of organisms found in water that are unable to propel themselves against a current
nekton
aquatic animals that are able to swim and move independently of water currents.
benthos
community of organisms that live on, in, or near the bottom of a sea, river, lake, or stream