climate change physical Flashcards

physical causes (5 cards)

1
Q

Volcanic eruptions

A

ashes and sulphur dioxide are projected into the atmosphere blocking the sun rays out so the temperature decreases

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2
Q

milancovitch theory

A

the earths orbit changes around the sun, if the earth is closer to the sun its warmer if its further its colder

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3
Q

sunspot activity

A

every 11 years the sun goes thru a cycle of solar fluctuations, when the sunspot activity is high it is warmer

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4
Q

ocean currents

A

if ocean currents change directions they can cool down certain areas, an example is el nino

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5
Q

melting permafrost

A

melting permafrost can release large ammounts of methane, this increases global temperatures

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