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It’s the same isn’t it? -it’s all ice, right?
Arctic vs Antarctic It’s the same isn’t it? -it’s all ice, right?
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Show Andrill Resources---About Andrill and show ice core
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What are Paleo Proxies? Paleoclimate proxies are physical, chemical and biological materials preserved within the geologic record (in paleoclimate archives) that can be analyzed and correlated with climate or environmental parameters in the modern world.
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Proxy-Based Reconstructions of Hemispheric and Global Surface Temperature Variations over the Past Two Millennia
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Arctic (a.k.a. North Pole)
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Antarctica (a.k.a. South Pole)
Highest of all continents at an average height of 7,546 feet or 1.4 miles
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Arctic Closest land is 430 miles to The south—Greenland
Permanently covered by sea ice though it is moving from a snails pace to a Brisk walk at 1-3 feet above sea level Surrounded by several coasts and countries
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Arctic—surrounded by land
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Antarctica—surrounded by Southern Ocean
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Antarctic Heighest point is 9,300 feet above sea level and approximately 800 miles from the nearest open sea at the Bay of Whales The ice moves at about 33 feet per year—ceremonial south pole is repositioned on Jan. 1 annually to allow for this movement. Surrounded by water—no nearby continents
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Topography Arctic contains wide range of landscapes from plains to mountains to tundra and taiga. Arctic is surrounded by land masses Antarctic is 90% covered in ice –no rivers, small area of tundra at Antarctic Peninsula; mountains (Nanatuks) rise up to 9,300 ft
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Climate Arctic is warmer than Antarctic
Circumpolar winds at Antarctica keeps cold around the continent while in Arctic it spills out to the south.
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Arctic Plants
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Antarctic Plants Only 1% is free of ice so not much grows here
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Upwelling Both the Arctic and Antarctic have highly productive seas the production being driven by phytoplankton. Upwelling currents bringing nutrients with them and long days in the summer months drive this production.
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Arctic Animals
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Antarctica Animals Largest land animal is the wingless midge
However many animals Feed in the sea and come onto land to breed and feed
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Human Impact Arctic—over 325,100 inhabitants
Overfishing Pollution Global Warming Disruption of Habitat Ozone Hole (south pole) Arctic—over 325,100 inhabitants Antarctic—seasonal up to 451,000 summer 500-1,000 in winter
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