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Climate Change in the Arctic by Mind Map: Climate Change in the Arctic
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Climate Change in the Arctic

Effects

Negative

human, homes and places of work are often lost to flooding/land mass moving, simple pasttimes like Husky racing are being effected due to lack of snow

physical, loss of trees as supporting permafrost is melting, more trees are being lost due to spruce bark beatles being able to survive in warmer temperatures, lakes are disappearing as permafrost is melting, oceans becomming warmer, change in current, carbon stores are being released, this results in more greenhouse gases, and therefore more warming

ecological, spruce bark beatles attacking forests, more parasites can live due to warmer temperatures, loss of fish (salmon), polar bear population decreasing by 30%

Positive

human, trade, tourism, fishing trade increasing, more cod due to warmer seas, unemployment is decreasing

ecological, more land is available for construction, more fish (cod)

Importance

Economical Drain

more money is having to be spent (particularly in Alaska)

roads and houses need to be rebuilt

Loss of necessary snow/ice caps

no more protection against erosion

this makes sea levels rise, and claim more land

Carbon store

10% of the earth's carbon is stored in the ice

Causes

Global Warming

physical, Albedo Feedback loop, permafrost melting, The earth's tilt, every few thousand years the earth's tilt alters so the poles are in different positions, This gradual change in the direction of the earth's axis, called precession is responsible for changes in the climate, Oceans becoming warmer, Over thousands of years the oceans change temperature, Currently, the temperature is warmer than a century ago

human, burning of fossil fuels, realease of greenhouse gases, The energy sector is responsible for about ¾ of the carbon dioxide emissions, 1/5 of the methane emissions and a large quantity of nitrous oxide.

Countries involved

Norway

Alaska

Greenland

Finland

all of these being involved makes it harder to manage - coordination between countries is poor

Russia

Iceland