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13 terms

Water & Ocean

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estuary
An area where the mouth of the river opens into the ocean.
marine
Of the sea, produced by the sea, found in the sea.
freshwater
Water with no salt content.
brackish water
Slightly salty water.
salinity
The measure of the amount of the salts dissolved in seawater.
surface water
Water found on the surface of the earth. Examples: ponds,lakes,etc.
subsurface topography
Formations underground or under water.
shelf
Ledge of land or rock under the sea.
trench
A long, narrow steep-sided depression in the seafloor forms when one plate sinks below another.
ridge
A long narrow chain of hills or mountains.
basin
Low area on the Earth that became an ocean when rainwater filled the area.
rift
An opening in the Earth.
sediment
Loose materials such as rock fragments that have been moved by wind, water, ice, or gravity.