Ecosystem - Abiotic Factors

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by Brynskaff
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Ecosystem - Abiotic Factors

Alaska Abiotic Factors

Geography and ElevationAlaska is full of mountains, glaciers, valleys, lakes, rivers, and huge national forests including Denali National Park.The highest point in Alaska is the peak of Denali (As seen above) 20,320Denali is actually the highest peak in North America

The soil that most represents Alaska is the Tanana Soil named after the Tanana river that flows through the Lower interior areas of Alaska.This soil is an essential supporter of the native plant community of black and white spruces along with birches and many others.

Average temperatures range from 71 degrees Farenheit to -21.6 degrees FThe highest and lowest recorded temperatures were 100 degrees F and -80 degrees FInteresting fact that directly effects the temperature: In the northern areas days are drastically longer in the summer where the midnight sun shines. With barely any daylight in the winter.In the town Barrow the sun sets on November 18 and doesn't rise again until January 23, also in the summer the town of Barrow enjoys 80 days of sunlight.

Temperature Ranges

Alaska's rivers, lakes, wetlands, snowfields, and glaciers comprise an estimated 40% of the Nation's surface water12,000 rivers including the Yukon and the Copper riversAlso has over 3 million lakes ranging from pond size to over 1,000 square milesGlaciers and permafrost cover 90% of Alaska's surfaceIn some areas Annual snowfall can reach over 90 inches, causing many of the rivers to become icejammedAlaska's abundance of water is open to the public for use in nature refuges

Water Resources

RainfallIn Ketchikan, Alaska the average rainfall of 141.25 inchesWhile the state as a whole averages as 38.66 inches which is .5 inches less than the national averageIn the town of Nuiqsut, which has the least amount of rainfall in the winter is .1 inches and with an average annual rainfall of .32 inches


Worthington Glacier


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