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3.1c britton
flashcards
| Question | Answer |
|---|---|
| salinity | the measure of the amount of dissolved salt contained in water |
| density | is the measure of the amount of matter packed into a given volume |
| continental shelf | the flat or gently sloping land that lies submerged around the edges of a continent |
| sonar | a system that uses sound waves to measure distances and locate objects |
| ocean current | a mass of moving water |
| downwelling | is the movement of water from the surface to greater depths |
| upwelling | is the movement of water to the surface |
| el nino | these changes in air and water movements cause a golal weather event |
| longshore current | moves water parallel to the shore |
| rip current | narrow streams of water that break through sandbars and drain rapidlyback to sea |