Alaskan Tundra

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Last updated 7:53 AM on 4/23/26
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8 Terms

1
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How large is the tundra

8 million km3 across Alaska

2
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Mean annual temp

-15 degrees Celsius

3
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Total rainfall

less than 100mm

4
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Growing season

Short - 3 months

5
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How many months is Alaska below freezing

8-9 months

6
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When was oil discovered at Prudhoe Bay

1968, then Trans-Alaskan pipeline built

7
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What were the human impacts of oil production

infrastructure transfers heat, removes insulating layer of vegetation, dark dust on snow, increased Albedo effect.

8
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Spring melt - seasonal pattern

Yukon river, summer discharge = 340 cumecs, winter = 24,600 cumecs

Winter - stored as ice

Spring - rapid thaw - flood risk

Summer - Wetlands expand

Autumn - Refreezing begins