Grand Canyon

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Grand Canyon
General information
Tsawo 277 mi
Vertical depth (en) Fassara 1,300 m
Labarin ƙasa
Geographic coordinate system (en) Fassara 36°05′51″N 112°05′43″W / 36.0975°N 112.09528°W / 36.0975; -112.09528
Kasa Tarayyar Amurka
Territory Arizona
Protected area (en) Fassara Grand Canyon National Park (en) Fassara
Flanked by Colorado River (en) Fassara
Hydrography (en) Fassara
Drainage basin (en) Fassara Colorado River drainage basin (en) Fassara

 

Grand Canyon (Hopi, Yavapai, Navajo, [1] [2] Yaren Kudancin Paiute: Paxa'uipi, [3] Spanish) wani canyon mai gangare wanda kogin Colorado ya sassaka a Arizona, Amurka. Grand Canyon yana da 277 miles (446 km) tsawo, har zuwa 18 miles (29 km) fadi kuma ya kai zurfin sama da mil ( 6,093 feet (1,857 m) ). :902

Kogin da gefen yana ƙunshe a cikin Grand Canyon National Park, Gandun daji na Kaibab, Grand Canyon–Parashant National Monument, Hualapai Indian Reservation, da Havasupai Indian Reservation da Navajo Nation. Shugaba Theodore Roosevelt ya kasance babban mai goyon bayan kiyaye yankin Grand Canyon kuma ya ziyarce shi a lokuta da yawa don farauta da jin daɗin yanayin.

Kusan shekaru biliyan biyu na tarihin yanayin duniya an fallasa su yayin da kogin Colorado da magudanan ruwa suka yanke tashoshi ta hanyar Layer bayan dutsen dutse yayin da Dutsen Colorado ya daukaka. Duk da yake wasu al'amura game da tarihin ƙaddamar da rafin suna muhawara ta masana ilimin geologists, da dama na binciken kwanan nan sun goyi bayan ra'ayin cewa kogin Colorado ya kafa hanyarsa ta wurin kimanin shekaru 5 zuwa 6 da suka wuce. Tun daga wannan lokacin, kogin Colorado ya kori raguwar raƙuman ruwa da ja da baya na tsaunuka, tare da zurfafawa da faɗaɗa kogin.

Tsawon shekaru dubbai, ’yan asalin ƙasar Amirka sun ci gaba da zama a yankin, waɗanda suka gina ƙauyuka a cikin kwarin da koguna da yawa. Mutanen Pueblo sun ɗauki Grand Canyon wuri mai tsarki, kuma sun yi pilgrimage a wurin. Bature na farko da aka sani ya kalli Grand Canyon shine García López de Cárdenas daga Spain, wanda ya zo a 1540.

Geography[gyara sashe | gyara masomin]

Hoton Grand Canyon da kewaye da aka ɗauka daga tashar sararin samaniya ta ƙasa da ƙasa
Grand Canyon daga jirgin sama, tare da kogin Colorado a bayyane
Grand Canyon, Arizona, Nevada, Lake Powell zuwa Lake Mead, Yuni 27, 2017, Sentinel-2 hoton tauraron dan adam-launi na gaskiya. Mizani 1:450,000.

Grand Canyon kwarin kogi ne a cikin Plateau na Colorado wanda ke fallasa abubuwan haɓaka Proterozoic da Paleozoic strata, kuma yana ɗaya daga cikin sassa shida na physiographic na lardin Colorado Plateau.[4] Ko da yake ba shi ne mafi zurfi a cikin duniya ba (Kali Gandaki Gorge a Nepal ya fi zurfi ), Grand Canyon an san shi da girman girmansa da girmansa mai ban sha'awa da ban mamaki. A fannin ilimin kasa, yana da mahimmanci saboda kauri jerin tsaffin duwatsu waɗanda aka adana da kyau da kuma fallasa su a bangon kwarin. Waɗannan matakan dutsen sun rubuta yawancin tarihin yanayin ƙasa na nahiyar Arewacin Amurka.[5]

Karfafa da ke da alaƙa da samuwar tsaunuka daga baya ya motsa waɗannan tsaunukan dubunnan ƙafa zuwa sama kuma suka haifar da Plateau na Colorado. Matsayi mafi girma ya kuma haifar da hazo mai girma a yankin magudanar ruwa na Kogin Colorado, amma bai isa ya canza yankin Grand Canyon daga zama ɗan bushewa ba. Hawan Dutsen Colorado ba daidai ba ne, kuma Dutsen Kaibab da Grand Canyon ya yi bisects ya wuce 1,000 feet (300 m) mafi girma a Arewa Rim fiye da Kudu Rim. Kusan dukkanin kwararar ruwa daga Arewacin Rim (wanda kuma ke samun karin ruwan sama da dusar ƙanƙara) yana gudana zuwa ga Grand Canyon, yayin da yawancin ruwan da ke kan tudu da ke bayan Kudancin Rim yana gudana daga kogin (bayan karkatar gaba ɗaya). Sakamakon ya fi zurfi da tsayin wankin tributary da kwaruruka a gefen arewa da gajere kuma mafi tsayi a gefen kudu. :406

Yanayin zafi a Arewacin Rim gabaɗaya ya fi na Kudancin Rim saboda girman girma (matsakaicin 8,000 feet (2,400 m) sama da matakin teku). Ana yawan samun ruwan sama kamar da bakin kwarya a duk tsawon watannin bazara. Samun damar zuwa Rim ta Arewa ta hanyar farko da za ta kai ga rafin ( Hanyar Jiha ta 67 ) tana da iyaka a lokacin hunturu saboda ana rufe hanyoyin.



Manazarta[gyara sashe | gyara masomin]

Zane yana nuna jeri, shekaru da kauri na raka'o'in dutsen da aka fallasa a cikin Grand Canyon
Rockfalls a cikin 'yan lokutan, tare da sauran jama'a almubazzaranci, sun kara fadada kogin
Ribbon Falls, kusa da Titin Kaibab ta Arewa, yana wakiltar ruwan ƙasa yana isa saman.
  1. Linford, Laurence D. Navajo Places.
  2. Wilson, Alan with Gene Dennison.
  3. Yanawant Paiute Places and Landscapes in the Arizona Strip: Volume Two of the Arizona Strip Landscapes and Place Name Study, Part 2, p. 69 Link
  4. Ranney, Wayne (April 2014). "A pre–21st century history of ideas on the origin of the Grand Canyon". Geosphere. 10 (2): 233–242. Bibcode:2014Geosp..10..233R. doi:10.1130/GES00960.1. ISSN 1553-040X. Retrieved June 23, 2022.
  5. Witze, Alexandra (February 26, 2019). "A deeper understanding of the Grand Canyon". Knowable Magazine. doi:10.1146/knowable-022619-1. Retrieved June 23, 2022.