Mount Mitchell

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Mount Mitchell (Attakulla in Cherokee)[1] is the highest peak of the Appalachian Mountains and the highest peak in mainland North America east of the Mississippi River. It is located near Burnsville in Yancey County, North Carolina in the Black Mountain subrange of the Appalachians about Script error: No such module "convert". northeast of Asheville. It is protected by Mount Mitchell State Park and surrounded by the Pisgah National Forest. Mount Mitchell's elevation is Script error: No such module "convert". above sea level.[2] Mount Mitchell is ranked 31st by topographic isolation.

Geography

File:MountMitchellSurveyorsMark.jpg
Surveyor's mark embedded in the observation tower notes the elevation of 6684-feet above sea level
File:Mount Mitchell Fall Foliage.JPG
Fall foliage at Mount Mitchell

The peak is the highest mountain in the United States east of the Mississippi River,[3][4] and the highest in all of eastern North America south of the Arctic Cordillera. Barbeau Peak is higher but is located in the very remote Canadian Arctic. The nearest higher peaks are in the Black Hills of South Dakota and the highland foothills of Colorado. The mountain's topographic isolation is calculated from the nearest discernible single higher point: Lone Butte, which is 1,189 miles (1,913 km) away in southeastern Colorado.Script error: No such module "Unsubst".

History

Mount Mitchell was the highest mountain of the United States from 1789 until the Louisiana Purchase in 1803 when Mount Elbert became the highest mountain claimed by the United States. Mount Mitchell was also the most isolated peak in the United States from 1789 until the Treaty of Guadalupe Hidalgo in 1848 when Mount Whitney became the most isolated.

The Cherokee people, who long occupied this area as part of their homeland, called the mountain Attakulla.[1] European-American settlers first called the mountain Black Dome for its rounded shape. They later named it after Elisha Mitchell, a professor at the University of North Carolina, who first explored the Black Mountain region in 1835. He determined that the height of the range exceeded by several hundred feet that of Mount Washington in New Hampshire. The latter had been commonly thought at the time to be the highest point in the United States east of the Rocky Mountains. Mitchell fell to his death at nearby Mitchell Falls in 1857, where he had returned to verify his earlier measurements.Script error: No such module "Unsubst".

A Script error: No such module "convert". road (NC 128) connects the scenic Blue Ridge Parkway to a parking lot where a steep paved Script error: No such module "convert". trail leads through a conifer forest to the summit. The Script error: No such module "convert". stone observation tower on the summit was torn down in late 2006. A new observation deck was constructed and opened to visitors in January 2009.[5]

Description

Mount Mitchell was formed during the Precambrian when marine deposits were metamorphosed into gneiss and schist. These metasedimentary rocks were later uplifted during the Alleghenian orogeny.[6] The soils are well drained, dark brown and stony with fine-earth material ranging in texture from sandy clay loam to loam or sandy loam; Burton and Craggey are the most common series around the summit.[7]

Environment

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The mountain's summit is coated in a dense stand of Southern Appalachian spruce-fir forest, which consists primarily of two evergreen species—the red spruce and the Fraser fir. Most of the mature Fraser firs, however, were killed off by the non-native Balsam woolly adelgid in the latter half of the 20th century. The high elevations expose plant life to high levels of pollution, including acid precipitation in the form of rain, snow, and fog. These acids damage the red spruce trees in part by releasing natural metals from the soil, such as aluminum, and by leaching important minerals. To what extent this pollution harms the high-altitude ecosystem is debatable.[8]

While the mountain is still mostly lush and green in the summer, many dead Fraser fir trunks can be seen due to these serious problems. Reducing air pollution is a difficult issue, as the pollutants are often carried by air to this area from long distances. Sources can be local or hundreds of miles away, requiring cooperation from as far away as the Midwest.

Wildflowers are abundant all summer long. Young fir and spruce trees do well in the subalpine climate, and their cones feed the birds along with wild blueberry and blackberry shrubs.

The second highest point in eastern North America, Mount Craig at Script error: No such module "convert"., is roughly a mile to the north of Mount Mitchell.

Climate

Mount Mitchell
Climate chart (explanation)
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█ Average max. and min. temperatures in °F
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Source: NOAA[9]
Metric conversion
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█ Average max. and min. temperatures in °C
█ Precipitation totals in mm

The summit area of Mount Mitchell is marked by a warm-summer humid continental climate (Köppen Dfb), with mild summers and long, moderately cold winters, being more similar to southeastern Canada than the southeastern U.S. The monthly daily average temperature ranges from Script error: No such module "convert". in January to Script error: No such module "convert". in July. The coldest temperature ever recorded in the state occurred there on January 21, 1985, when it fell to Script error: No such module "convert"., during a severe cold spell. It is also the coldest average reporting station in the state at Script error: No such module "convert"., well below any other station.[10]

Unlike the lower elevations in the surrounding regions, heavy snows often fall from December to March, with Script error: No such module "convert". accumulating in the Great Blizzard of 1993 and Script error: No such module "convert". in the January 2016 blizzard.[11][10] Due to the high elevation, precipitation is heavy and reliable year-round, averaging Script error: No such module "convert". for the year, with no month receiving less than Script error: No such module "convert". of average precipitation. The summit is often windy, with recorded gusts of up to Script error: No such module "convert"..[12]

Mount Mitchell recorded a new state record of Script error: No such module "convert". of precipitation in 2018, which is also the highest total rainfall recorded during a calendar year anywhere east of the Cascade Range in the Contiguous United States.[13]

 

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See also

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References

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  6. ↑ Script error: No such module "citation/CS1".
  7. ↑ SoilWeb Template:Webarchive, University of California-Davis California Soil Resource Lab, Natural Resources Conservation Service. Accessed: 11 January 2016.
  8. ↑ Steve Nash, Blue Ridge 2020: An Owner's Manual (Chapel Hill, N.C.: University of North Carolina Press, 1999), pp. 25-28, 61-63.
  9. ↑ Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
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External links

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