Flashcards - Oceanic Systems & Characteristics

Flashcards - Oceanic Systems & Characteristics
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Thermohaline circulation
Thermohaline circulation is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes
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tsunami
A tsunami , also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake
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sand dunes
In physical geography, a dune is a hill of sand built by wind or the flow of water
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headland
A headland is a coastal landform, a point of land usually high and often with a sheer drop, that extends out into a body of water
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beach
A beach is a landform along a body of water
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barrier island
Barrier islands are coastal landforms and a type of dune system that are exceptionally flat or lumpy areas of sand that form by wave and tidal action parallel to the mainland coast
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photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
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salinity
Salinity is the saltiness or dissolved salt content of a body of water
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continental crust
The continental crust is the layer of igneous, sedimentary, and metamorphic rocks that forms the continents and the areas of shallow seabed close to their shores, known as continental shelves
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continental crust
The continental crust is the layer of igneous, sedimentary, and metamorphic rocks that forms the continents and the areas of shallow seabed close to their shores, known as continental shelves
salinity
Salinity is the saltiness or dissolved salt content of a body of water
photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
barrier island
Barrier islands are coastal landforms and a type of dune system that are exceptionally flat or lumpy areas of sand that form by wave and tidal action parallel to the mainland coast
beach
A beach is a landform along a body of water
headland
A headland is a coastal landform, a point of land usually high and often with a sheer drop, that extends out into a body of water
sand dunes
In physical geography, a dune is a hill of sand built by wind or the flow of water
tsunami
A tsunami , also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake
Thermohaline circulation
Thermohaline circulation is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes
Passive continental margins
A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin
subduction zone
Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced down into the mantle
Ocean basins
In hydrology, an oceanic basin may be anywhere on Earth that is covered by seawater, but geologically ocean basins are large geologic basins that are below sea level
oceanic ridges
A mid-ocean ridge is an underwater mountain system formed by plate tectonics
asthenosphere
The asthenosphere is the highly viscous, mechanically weak and ductilely deforming region of the upper mantle of the Earth
lithosphere
A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties
high tide
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth
continental margin
The continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust
continental shelf
The continental shelf is an underwater landmass which extends from a continent, resulting in an area of relatively shallow water known as a shelf sea

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