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Hydrology #2

TermDefinition
topography the shape of land determined by changing elevations and landforms
continental shelf a gently sloping , shallow area of the ocean floor extending outward from the edge of a continent
continental slope a steep incline of the ocean floor leading down from the edge of the continental shelf
abyssal plain a smooth, nearly flat region of the deep ocean floor
wave the movement of energy through a body of water
current a large stream of water that flows through the oceans
rip current a rush of water that flows rapidly back to sea through a narrow opening in a sandbar
tide the daily rise and fall of Earth's water along its coastlines
salinity the total amount of dissolved salt in a water sample
Coriolis effect the effect of Earth's rotation on the direction of winds and currents
climate the average, year-to-year conditions of temperature, precipitation, winds, and clouds in an area
El Nino a Pacific Ocean climate event every 2 to 7 years which brings warm water to coastal South America
intertidal zone an area stretching from the maximum high tide line on land to the lowest low tide line on the continental shelf
open-ocean zone the deepest, darkest area of the ocean beyond the edge of the continental shelf
mid-ocean ridge an undersea mountain chain where new ocean floor is produced
deep-ocean trench a deep valley along the ocean floor where oceanic crust sinks down toward the mantle
longshore drift the movement of water and sediment down a beach caused by waves coming in to shore at an angle
tsunami a giant wave usually caused by an earthquake beneath the ocean floor
upwelling the movement of cold water upward from the deep ocean that is caused by wind
surface currents circular streams of moving ocean water driven by winds
Created by: Rita.Rogers
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