Palaeomagnetism and water density Flashcards

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1
Q

What is palaeomagnetism?

A

Traces of changes in the Earths magnetic field in the alignment of magnetic minerals in sedimentary and igneous rock

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2
Q

What is palaeomagnetism linked too?

A

Seafloor spreading

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3
Q

How does salinity influence water density?

A

Density increases as salinity increases. When salt dissolves in fresh water, the density of the water increases because the mass of the water increases

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4
Q

What is the thermohaline circulation (ocean conveyor belt)?

A

Describes movement of water within and between oceans

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5
Q

What is the circulation in the North Atlantic?

A

Warm saline water flows from off the coast of Florida to the Northeast. Therefore, vast quantities of heat energy which impacts climate of western Europe

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