Dutsen Mitchell

Dutsen Mitchell (Attakulla a cikin Cherokee)  shine mafi girman tsaunin Appalachian kuma mafi girman tsauni a yankin Arewacin Amurka a gabashin Kogin Mississippi . Tana kusa da Burnsville a Yancey County, North Carolina a cikin Black Mountain na Appalachians kimanin kilomita 19 (31  arewa maso gabashin Asheville. Gidan shakatawa na Jihar Mitchell ne ke kare shi kuma da gandun daji na Pisgah ne ke kewaye shi. Dutsen Mitchell yana da ƙafa 6,684 (2,037 m) sama da matakin teku. Dutsen Mitchell ya kasance na 31 ta hanyar keɓewa.

 Yanayin ƙasa 
The peak is the highest mountain in the United States east of the Mississippi River, 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.

 Tarihi 
Dutsen Mitchell shine dutse mafi girma a Amurka daga 1789 har zuwa Sayen Louisiana a 1803 lokacin da Dutsen Elbert ya zama dutse mafi tsawo da Amurka ta yi ikirarin. Dutsen Mitchell kuma shine mafi nisa a Amurka daga 1789 har zuwa Yarjejeniyar Guadalupe Hidalgo a 1848 lokacin da Dutsen Whitney ya zama mafi nisa.

 Bayyanawa 
Dutsen Mitchell an kafa shi ne a lokacin Precambrian lokacin da aka canza ajiyar ruwa zuwa gneiss da schist. Wadannan duwatsu na metasedimentary daga baya an ɗaga su a lokacin Orogeny na Alleghenian .  Ƙasa tana da kyau, launin ruwan kasa mai duhu da dutse tare da kayan ƙasa mai kyau wanda ke da alaƙa daga yashi mai yashi zuwa yashi mai laushi; Burton da Craggey sune jerin da aka fi sani da taron.

 Muhalli 
Taron dutsen yana rufe shi a cikin wani gandun daji mai zurfi na kudancin Appalachian, wanda ya kunshi nau'o'i biyu masu tsayi - ja spruce da Fraser fir. Yawancin itatuwan Fraser masu girma, duk da haka, an kashe su ne ta hanyar Balsam mai laushi a ƙarshen rabin karni na 20. Tsaunuka masu tsawo suna fallasa rayuwar shuke-shuke ga matakan gurɓataccen yanayi, gami da ruwan sama mai zafi a cikin ruwan sama, dusar ƙanƙara, da hazo. Wadannan acid suna lalata bishiyoyin ja a wani bangare ta hanyar sakin karafa na halitta daga ƙasa, kamar aluminum, da kuma leaching muhimman ma'adanai. Har zuwa yaya wannan gurɓataccen yanayi ya cutar da yanayin halittu mai tsawo. 

 Yanayi 
Yankin taron na Dutsen Mitchell yana da alamar zafi-lokaci mai zafi na nahiyar (Köppen Dfb), tare da lokacin rani mai sauƙi da dogon lokaci, matsakaiciyar sanyi, yana da kama da kudu maso gabashin Kanada fiye da kudu maso gabas na Amurka. Matsakaicin zafin jiki na yau da kullun ya kasance daga  ° F (-3.8 ° C) a cikin Janairu zuwa  ° F (15.3 ° C) cikin Yuli. Yawan zafin jiki mafi sanyi da aka taɓa yin rikodin a cikin jihar ya faru a ranar 21 ga Janairu, 1985, lokacin da ya faɗi zuwa -34 ° F (-36.7 ° C), a lokacin matsanancin sanyi. Har ila yau, ita ce tashar bayar da rahoto mafi sanyi a jihar a  ° F (6.1 ° C), ƙasa da kowane tashar.

 Manazarta