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Yanayin ƙasar Greenland

Daga Wikipedia, Insakulofidiya ta kyauta.

 

Greenland tana tsakanin Tekun Arctic da Tekun Arewacin Atlantic, arewa maso gabashin Kanada da arewa maso yammacin Iceland. Yankin ya ƙunshi tsibirin Greenland - tsibirin mafi girma a duniya - da kuma wasu ƙananan tsibirai sama da ɗari (duba Jerin haruffa). Greenland tana da iyaka mai tsawon kilomita 1.2 (0.75 tare da Kanada a Tsibirin Hans . [1] Ƙananan jama'a suna ƙuntata a ƙananan ƙauyuka tare da wasu sassan bakin teku. Greenland tana da kankara ta biyu mafi girma a duniya.

Greenland yana zaune a saman farantin Greenland, wani sashi na Farantin Arewacin Amurka.[2] craton na Greenland ya ƙunshi wasu daga cikin tsofaffin duwatsu a fuskar duniya. Yankin dutse mai laushi na Isua a kudu maso yammacin Greenland ya ƙunshi tsofaffin duwatsu da aka sani a Duniya, wanda aka rubuta a shekaru biliyan 3.7-3.8.

Shuke-shuke gabaɗaya ba su da yawa, tare da kawai yanki na gandun daji da aka samu a cikin Nanortalik Municipality a cikin matsanancin kudu kusa da Cape Farewell.

Sauyin yanayi yana daga Arctic zuwa subctic, tare da lokacin rani mai sanyi da lokacin sanyi. Ƙasar galibi shimfida ce amma sannu a hankali magudanar ƙanƙara wadda ta mamaye duk ƙasa sai ga ƙunci, tsaunuka, baƙaƙe, bakin teku. Mafi ƙasƙanci mafi ƙasƙanci shine matakin teku kuma mafi girma shine koli na Gunnbjørn Fjeld, mafi girman matsayi a cikin Arctic a mita 3,694 (12,119 ft). Yankin arewacin tsibirin Greenland shine Cape Morris Jesup, wanda Admiral Robert Peary ya gano a shekara ta 1900. Albarkatun kasa sun hada da zinc, gubar, baƙin ƙarfe, kwal, molybdenum, zinariya, platinum, uranium, makamashin ruwa da kifi.

Jimlar yanki: 2,166,086 km2 

Yankin ƙasa: 2,166,086 km2 (410,449 km2 ba tare da kankara ba, 1,755,637 km2 an rufe shi da kankara)    

Da'awar teku:

Tekun yankin:3 nautical miles (5.6 km; 3.5 mi)

Yankin kamun kifi na musamman:200 nautical miles (370.4 km; 230.2 mi)

Amfani da ƙasa

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Yankin noma: kusan 6%; ana amfani da wasu ƙasashe don shuka silage. Amfanin gona na dindindin: Kimanin 0% Sauran: 100% (2012 est.)

Yawan jama'a ya kunshi kusan mazauna 56,000, daga cikinsu kimanin 18,000 suna zaune a babban birnin, Nuuk.

Haɗarin Halitta

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Ci gaba da kankara ya rufe kashi 84% na ƙasar; sauran su ne permafrost.

Muhalli - batutuwan yanzu

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Kare yanayin Arctic, Canjin yanayi, gurɓataccen jerin abinci, farauta mai yawa [3] na nau'in da ke cikin haɗari (walrus, polar bears, narwhal, beluga whale da tsuntsayen teku da yawa).

Köppen–Geiger climate classification map at 1-km resolution for Greenland 1991–2020
Retreat of the Helheim Glacier, Greenland
Taswirar canjin Greenland a tsawo na kankara
Taswirar dutsen Greenland

Yanayin Greenland yanayi ne na tundra a kan da kusa da gabar teku da kuma Yanayin kankara a yankunan cikin gida. Yawanci yana da gajeren lokaci, lokacin rani mai sanyi da kuma dogon lokaci, sanyi mai sanyi.

Due to Gulf Stream influences, Greenland's winter temperatures are very mild for its latitude. In Nuuk, the capital, average winter temperatures are only −9 °C (16 °F).[4] In comparison, the average winter temperatures for Iqaluit, Nunavut, Canada, are around −27 °C (−17 °F).[5] Conversely, summer temperatures are very low, with an average high around 10 °C (50 °F).[4] This is too low to sustain trees, and the land is treeless tundra.

A kan kankara na Greenland, zafin jiki yana ƙasa da daskarewa a duk shekara, [6] kuma rikodin yanayin zafi ya kai dan kadan sama da daskyawa. Rubuce-rubucen zafin jiki a sansanin Summit shine 2.2 °C (36.0 °F) ° C (36.0 ° F). [7]

A kudancin Greenland, akwai karamin gandun daji a cikin Kwarin Qinngua, saboda yanayin zafi na lokacin rani bai isa ya ci gaba da bishiyoyi ba. Akwai duwatsu sama da mita 1,500 (4,900 da ke kewaye da kwarin, wanda ke kare shi daga sanyi, iska mai sauri da ke tafiya a fadin kankara.[8] Ita ce kawai gandun daji na halitta a Greenland, amma tana da tsawon kilomita 15 (9.3 .

Climate data for {{{location}}}
Watan Janairu Fabrairu Maris Afrilu Mayu Yuni Yuli Ogusta Satumba Oktoba Nuwamba Disamba Shekara
[Ana bukatan hujja]

Canjin yanayi

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Yankin kankara na Greenland yana da nisan kilomita 3 (1.9 kuma yana da faɗi sosai don rufe yankin da girman Mexico. Ginin yana da yawa sosai cewa nauyinsa yana matsawa dutsen Greenland a ƙasa da matakin teku kuma yana da ɓoyewa sosai har zuwa kwanan nan masana kimiyya sun gano Grand Canyon na Greenland ko yiwuwar cewa Greenland na iya zama tsibirai uku.

Idan kankara ta narke, dutsen da ke ciki a ƙasa da matakin teku zai rufe da ruwa. Ba a bayyana ko wannan ruwa zai kasance a matakin teku ko tafkin sama da matakin teku ba. Idan zai kasance a matakin teku zai iya haɗawa da teku a Ilulissat Icefjord, a Baffin Bay da kusa da Nordostrundingen, ƙirƙirar manyan tsibirai uku.[9] Amma mai yiwuwa ne cewa zai zama tafki tare da magudanar ruwa guda ɗaya.

An yi tunanin cewa kafin Ice Age na ƙarshe, Greenland yana da gefen tsaunuka da kuma cibiyar ƙasa (kuma mai yiwuwa bushewa sosai) wanda ya kwarara zuwa teku ta hanyar babban kogi daya da ke gudana zuwa yamma, ya wuce inda Tsibirin Disko yake yanzu.[10]

Akwai damuwa game da hawan matakin teku sakamakon asarar kankara (narkewa da glaciers da ke faɗowa cikin teku) akan Greenland. Tsakanin 1997 da 2003 asarar kankara ya kasance 68-92 km3/a (16–22 cu mi/a), idan aka kwatanta da kusan 60 km3/a (14 cu mi/a) na 1993/4-1998/9. Rabin karuwar ya kasance daga mafi girma narkewar lokacin rani, tare da sauran sakamakon motsin wasu glaciers ya wuce saurin da ake buƙata don daidaita tarin dusar ƙanƙara.[1] Cikakkiyar asarar kankara a Greenland zai haifar da hawan tekun da ya kai mita 6.40 (21.0 ft).

Masu bincike a NASA's Jet Propulsion Laboratory da Jami'ar Kansas sun ruwaito a watan Fabrairun 2006 cewa dusar ƙanƙara tana narkewa sau biyu da sauri fiye da shekaru biyar da suka gabata.  A shekara ta 2005, Greenland ta fara rasa ƙarar ƙanƙara fiye da wanda ake tsammani - asarar shekara-shekara har zuwa mil 52 cubic mil ko kilomita 217 a kowace shekara, bisa ga ƙarin ma'aunin nauyi na tauraron dan adam da JPL ya fitar.  Ƙarar asarar ƙanƙara na iya zama wani ɓangare ta hanyar karuwar dusar ƙanƙara saboda yawan hazo.

Tsakanin 1991 da 2006, saka idanu kan yanayi a wuri daya (Swiss Camp) ya gano cewa matsakaicin zafin hunturu ya tashi kusan 10 °F (5.6 °C) ° F ° C).

Kwanan nan, manyan kankara guda uku na Greenland sun fara motsawa da sauri, bayanan tauraron dan adam. Waɗannan su ne Jacobshavn Isbræ a Ilulissat (Jacobshavn) a gefen yammacin Greenland, da Kangerdlugssuaq da Helheim glaciers a gefen gabashin Greenland. Biyu na ƙarshe sun hanzarta sosai a cikin shekarun 2004-2005, amma sun koma saurin kafin 2004 a cikin 2006. [11] Hawan kankara ya kasance tare da karuwar ayyukan girgizar ƙasa. A watan Maris na shekara ta 2006, masu bincike a Jami'ar Harvard da Lamont-Doherty Earth Observatory a Jami'a ta Columbia sun ba da rahoton cewa kankara yanzu suna haifar da girgizar ƙasa har zuwa girman 5.0.

Komawar kankara na Greenland yana nuna tsibirai waɗanda aka yi zaton suna cikin ɓangaren ƙasar. A watan Satumbar 2005 Dennis Schmitt ya gano tsibirin kilomita 400 (644 a arewacin Arctic Circle a gabashin Greenland wanda ya ba shi suna Uunartoq Qeqertaq, Inuit don "tsibirin dumama".

Tsinkaya na gaba

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A cikin Arctic, yanayin zafi yana tashi da sauri fiye da ko'ina a duniya.  Greenland tana asarar tan biliyan 200 na kankara a kowace shekara.  Bincike ya nuna cewa hakan na iya kara yawan hawan teku da santimita 30 a karshen karni.  Wadannan hasashe suna da yuwuwar canzawa kamar yadda bayanan tauraron dan adam ya fara ne kawai shekaru 40 da suka gabata.  Wannan yana nufin cewa dole ne masu bincike su duba tsoffin hotunan glaciers kuma su kwatanta su da waɗanda aka ɗauka a yau don sanin makomar kankara ta Greenland.

Yawan zafin jiki

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Climate data for {{{location}}}
Watan Janairu Fabrairu Maris Afrilu Mayu Yuni Yuli Ogusta Satumba Oktoba Nuwamba Disamba Shekara
[Ana bukatan hujja]

Mafi girman yanayin zafi

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Wata Yanayin zafi Ranar Wurin da yake
Janairu 15.3 °C (59.5 °F) 29 Janairu 2003 Nuuk, Sermersooq
Fabrairu 16.0 °C (60.8 °F) 20 Fabrairu 2005 Nanortailak, Kujalleq
Maris 16.0 °C (60.8 °F) 31 Maris 1975 Narsarsuaq, Kujalleq
Afrilu 19.1 °C (66.4 °F) 26 ga Afrilu 2016 Narsarsuaq, Kujalleq
Mayu 24.8 °C (76.6 °F) 29 ga Mayu 2012 Narsarsuaq, Kujalleq
Yuni 30.1 °C (86.2 °F) 23 Yuni 1915 Ivittuut, Sermersooq
Yuli 26.3 °C (79.3 °F) 6 ga Yulin 2008 Nuuk, Sermersooq
Agusta 25.2 °C (77.4 °F) 3 ga Agusta 1899 Tasillaq, Sermersooq
Satumba 24.9 °C (76.8 °F) 2 ga Satumba 2010 Nuuk, Sermersooq
Oktoba 19.3 °C (66.7 °F) 5 ga Oktoba 2016 Tasillaq, Sermersooq
Nuwamba 21.6 °C (70.9 °F) 21 ga Nuwamba 2015 Tasillaq, Sermersooq
Disamba 15.9 °C (60.6 °F) 21 ga Disamba 2001 Narsarsuaq, Kujalleq

Yanayin zafi mafi ƙasƙanci

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Wata Yanayin zafi Ranar Wurin da yake
Janairu −66.1 °C (−87.0 °F) 9 ga Janairu 1954 Arewacin Ice, Arewa maso gabashin Greenland
Fabrairu −63.3 °C (−81.9 °F) 21 ga Fabrairu 2002 Tashar sansanin Summit, Arewa maso gabashin Greenland
Maris −64.8 °C (−84.6 °F) 20 Maris 1931 Eismitte, Arewa maso gabashin Greenland
Afrilu −57.3 °C (−71.1 °F) 21 ga Afrilu 2011 Tashar sansanin Summit, Arewa maso gabashin Greenland
Mayu −49.0 °C (−56.2 °F) 9 ga Mayu 2018 Tashar sansanin Summit, Arewa maso gabashin Greenland
Yuni −37.5 °C (−35.5 °F) 1 ga Yuni 2011 Tashar sansanin Summit, Arewa maso gabashin Greenland
Yuli −33.0 °C (−27.4 °F) 4 ga Yulin 2017 Tashar sansanin Summit, Arewa maso gabashin Greenland
Agusta −39.2 °C (−38.6 °F) 29 ga watan Agusta 2004 Tashar sansanin Summit, Arewa maso gabashin Greenland
Satumba −46.0 °C (−50.8 °F) 24 ga Satumba 2009 Tashar sansanin Summit, Arewa maso gabashin Greenland
Oktoba −55.4 °C (−67.7 °F) 26 ga Oktoba 2018 Tashar sansanin Summit, Arewa maso gabashin Greenland
Nuwamba −60.0 °C (−76.0 °F) 26 ga Nuwamba 2001 Tashar sansanin Summit, Arewa maso gabashin Greenland
Disamba −69.6 °C (−93.3 °F) 22 ga Disamba 1991 Tashar Klinck, Arewa maso gabashin Greenland

Yanayin ƙasa

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Yankin kankara da ke rufe Greenland ya bambanta sosai a tsawo a fadin ƙasar, yana tashi sosai tsakanin bakin teku a matakin teku da Gabas ta Tsakiya, inda tsaunuka suka kai mita 3,200 (10,500 . [12] Yankunan bakin teku suna da duwatsu kuma galibi babu ruwa tare da fjords.[13] Ƙananan tsibirai da yawa sun bazu daga Tsakiya zuwa Kudancin gabar teku.[13]

Dutsen tsaunuka na Greenland an rufe su ko kuma gaba ɗaya da kankara. Duwatsu mafi girma suna cikin Watkins Range, wanda ke gudana a gabar gabashin. Dutsen mafi girma a Greenland shine Gunnbjorn Fjeld tare da tsawo na mita 3,700 (12,139 . [13]

Masana kimiyya sun gano wani rami mai tasiri a yankin arewa maso yammacin Greenland, wanda aka binne a ƙarƙashin kankara. A girman da ya fi Washington, DC girma, shi ne rami na farko da aka samu a ƙarƙashin ɗaya daga cikin kankara na Duniya.

Abubuwa masu tsanani

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Wannan jerin manyan wurare ne na Greenland, wuraren da ke arewa, kudu, gabas ko yamma fiye da kowane wuri.

Yankin Greenland

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  • Yankin arewacin - Tsibirin Kaffeklubben (83°40'N) - ƙasar arewacin duniya. Har ila yau, akwai wasu sanduna masu canzawa waɗanda ke arewacin Kaffeklubben, mafi arewacin da aka taɓa samu shine 83-42.
  • Yankin kudu - tsibirin da ba a san shi ba 2.3 km kudu da Cape Farewell, Tsibirin Egger (59 ° 44'N)  
  • Yammacin Yamma - Nordvestø, Tsibirin Carey (73°10'W)
  • Yankin gabas - Nordostrundingen, Greenland (11°19'W)
  • Matsayi mafi girma - Gunnbjørn Fjeld, mita 3,694 (12,119

Babban yankin Greenland

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  • Yankin arewacin - Cape Morris Jesup (83°39'N)
  • Yankin kudu - Peninsula kusa da Tasiusaq, Kujalleq (59°58'26.4"N)
  • Yammacin Yamma - Cape Alexander (73°08'W)
  • Yankin gabas - Nordostrundingen, Greenland (11°19'W)
  • Matsayi mafi girma - Gunnbjørn Fjeld, mita 3,694 (12,119 .

Greenland tana da garuruwa 17 - ƙauyuka tare da mazauna sama da 500. Nuuk shine birni mafi girma - kuma babban birnin - tare da kusan kashi ɗaya bisa uku na yawan mutanen birane na ƙasar. Sisimiut tare da kimanin mazauna 5,500 shine birni na biyu mafi girma, yayin da Ilulissat shine lamba ta uku tare da kusan mazauna 5,000.  

Tarihin bincike

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  1. ↑ "On tiny Hans Island, Denmark and Canada create world's newest land border". Big Think (in Turanci). 2022-06-14. Retrieved 2023-07-07.
  2. ↑ "Baffin Bay" (PDF). Indian and Northern Affairs Canada. Archived from the original (PDF) on 2011-06-13. Retrieved 2009-10-04.
  3. ↑ "EcoAdvise & Communication". Archived from the original on 5 April 2010. Retrieved 2007-02-05.
  4. 1 2 "DMI Report 18–19: Climatological Standard Normals 1981–2010 Denmark, The Faroe Islands and Greenland Based on Data Published in DMI Reports 18–08, 18–04 and 18–05" (PDF). Danish Meteorological Institute. Archived from the original (PDF) on 10 February 2019. Retrieved 10 February 2019.
  5. ↑ "Iqaluit A". Canadian Climate Normals 1981–2010. Environment Canada. 31 October 2011. Climate ID: 2402590. Archived from the original on May 16, 2017. Retrieved February 24, 2014.
  6. ↑ Shuman, Christopher A.; Steffen, Konrad; Box, Jason E.; Stearns, Charles R. (2001). "A Dozen Years of Temperature Observations at the Summit: Central Greenland Automatic Weather Stations 1987–99". Journal of Applied Meteorology. American Meteorological Society. 40 (4): 741–752. Bibcode:2001JApMe..40..741S. doi:10.1175/1520-0450(2001)040<0741:adyoto>2.0.co;2. ISSN 0894-8763. |hdl-access= requires |hdl= (help)
  7. ↑ "Vejrekstremer Grønland". Danish Meteorological Institute (in Danish). Archived from the original on 2021-12-27. Retrieved 2020-04-19.
  8. ↑ "Qinngua Valley". Wondermondo. 23 June 2013. Archived from the original on 2017-10-07. Retrieved 2015-01-20.
  9. ↑ "Is the world's fastest-moving glacier set to speed up even more?". Center for Environmental Journalism. October 23, 2010. Archived from the original on December 3, 2011.
  10. ↑ "Arts and Culture Archives".
  11. ↑ Howat, Ian M.; Joughin, Ian R.; Scambos, Ted A. (8 February 2007). "Rapid Changes in Ice Discharge from Greenland Outlet Glaciers". Science. 315 (5818): 1559–61. Bibcode:2007Sci...315.1559H. CiteSeerX 10.1.1.395.1108. doi:10.1126/science.1138478. PMID 17289940. S2CID 27719836.
  12. ↑ "Topography of Greenland". earthobservatory.nasa.gov (in Turanci). 2004-12-26. Retrieved 2018-11-15.
  13. 1 2 3 "Greenland Landforms and Land Statistics". www.worldatlas.com (in Turanci). Retrieved 2018-11-15.