oceanography 1

Question 1

Long Island Sound

Answer 1

A tidal estuary of the atlantic ocean located between connecticut to the north and long island ny to the south.

Question 2

sound

Answer 2

A long, broad inlet of the ocean that is parallel to the coast or separates the mainland from an island

Question 3

estuary

Answer 3

Where rivers or other areas of water joins the sea, and where the effect of tides cause freshwater and saltwater to mix

Question 4

salinity

Answer 4

The amount of salt dissolved in a body of water measured in parts per thousand ppt using a hydrometer
Examples of salinity levels
Long island sound: 28 ppt
Atlantic ocean 30 ppt
Freshwater <0.5 ppt

Question 5

Brackish

Answer 5

a mixture of freshwater from the land and saltwater from the ocean.

Question 6

density

Answer 6

A measurement of the amount of matter (mass) in an object, compared to how much space volume
Saltwater is more dense than freshwater because salt adds more matter to the water.

Question 7

Saltwater wedge

Answer 7

When freshwater rivers flow into bodies of saltwater where the less dense freshwater does not fully mix with the more dense saltwater this creates a wedge shape along the boundary.