messiaen event Flashcards
sea level goes up and down over time, and it can go up and down upwards to ___m?
400
why might sea level rise and fall?
tectonic
crust is loaded
sea level literally going up and down
when sea level rises and falls, this causes two effects on land, what are they?
times in which areas of land are majority covered by seawater
times where land is not majorly covered by sea water
what is gradualism / uniformitarianism?
the present is the key to the past
what is catastrophism?
features seen on earth’s surface (mountains) were formed by large abrupt changes or catastrophes
what is catastrophic uniformitarianism?
slow and rapid processes shaped the earth and the geological record
what is a flood?
an overflow of water that submerges land that is usually dry
floods are an area of study in the discipline?
hydrology
what is the most common and widespread natural deadly severe weather event?
floods
the myth of the Mediterranean sea came from what greek god? what did he do
hercules pushed the pillars of gibralter apart to open it and the sea came in
what happened to the mediterranean sea?
dried up and then flooded again
the mediterranean seas was refilled ___ ________ years ago in an event known as the _________ flood
5.33 million; zanclean
what two factors led to the mediterranean drying up?
the gap of gibralter closed tectonically
sea level was falling
what does the strontium isotope curve show in regards to the mediterranean?
strontoum isotope went way down during the drying
strontium went up rapidly during the refilling