messiaen event Flashcards

1
Q

sea level goes up and down over time, and it can go up and down upwards to ___m?

A

400

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2
Q

why might sea level rise and fall?

A

tectonic
crust is loaded
sea level literally going up and down

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3
Q

when sea level rises and falls, this causes two effects on land, what are they?

A

times in which areas of land are majority covered by seawater
times where land is not majorly covered by sea water

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4
Q

what is gradualism / uniformitarianism?

A

the present is the key to the past

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5
Q

what is catastrophism?

A

features seen on earth’s surface (mountains) were formed by large abrupt changes or catastrophes

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6
Q

what is catastrophic uniformitarianism?

A

slow and rapid processes shaped the earth and the geological record

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7
Q

what is a flood?

A

an overflow of water that submerges land that is usually dry

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8
Q

floods are an area of study in the discipline?

A

hydrology

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9
Q

what is the most common and widespread natural deadly severe weather event?

A

floods

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10
Q

the myth of the Mediterranean sea came from what greek god? what did he do

A

hercules pushed the pillars of gibralter apart to open it and the sea came in

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11
Q

what happened to the mediterranean sea?

A

dried up and then flooded again

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12
Q

the mediterranean seas was refilled ___ ________ years ago in an event known as the _________ flood

A

5.33 million; zanclean

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13
Q

what two factors led to the mediterranean drying up?

A

the gap of gibralter closed tectonically
sea level was falling

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14
Q

what does the strontium isotope curve show in regards to the mediterranean?

A

strontoum isotope went way down during the drying
strontium went up rapidly during the refilling

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