Tsibirin Livingston

Tsibirin Livingston
Tsibirin Livingston
General information
Gu mafi tsayi	Mount Friesland (en)
Height above mean sea level (en)	1,700 m
Tsawo	73 km
Fadi	35 km
Yawan fili	974 km²
Labarin ƙasa
Tsarin Daidaiton Labarin Kasa	62°36′S 60°30′W / 62.6°S 60.5°W
Bangare na	South Shetland Islands (en)
Wuri	Antatika
Kasa	no value
Territory	Antarctic Treaty area (en)
Flanked by	Southern Ocean (en)
Ƙasantuwa a yanayin ƙasa	South Shetland Islands (en)
Hydrography (en)

Livingston Island (sunan Rasha Smolensk, ^[1] ^{[lower-alpha 1]}

Yanayin ƙasa

Tsibirin Livingston yana cikin Yammacin Antarctica, 110 kilometres (68 mi) arewa maso yammacin Cape Roquemaurel a kan yankin Antarctic, 809 kilometres (503 mi) kudu maso kudu maso gabashin Cape Horn a Kudancin Amurka, 796 kilometres (495 mi) kudubas da Tsibirin Diego Ramírez (ƙasar Kudancin Amurka ta Kudu), 1,063 kilometres (661 mi) kudu da Tsibirin Falkland, 1,571 kilometres (976 mi) kudu yammacin Tsibirin Georgia ta Kudu, da 3,040 kilometres (1,889 mi) daga Kudancin Pole.^[2]

Tsibirin wani yanki ne na tsibiran Shetland ta Kudu, sarkar tsibiran da ta kai 510 kilometres (317 mi) a gabas-arewa-gabas zuwa yamma-kudu maso yamma shugabanci, kuma an rabu da kusa da Antarctic Peninsula ta Bransfield Strait, kuma daga Kudancin Amurka ta hanyar Drake Passage . Yankin Kudancin Shetland ya ƙunshi jimillar fili na 3,687 square kilometres (1,424 sq mi) (ƙimar ƙarshen karni na 20; adadi na yanzu na iya zama ɗan ƙasa da wannan saboda canjin bakin teku), wanda ya ƙunshi (daga gabas zuwa yamma) manyan tsibiran goma sha ɗaya na Clarence, Elephant, King George, Nelson, Robert, Greenwich, Livingston, yaudara, dusar ƙanƙara, Low da Smith, da ƙananan dutsen.

Livingston ya rabu da tsibirin Greenwich da ke makwabtaka da shi zuwa gabas ta hanyar McFarlane Strait mai nisan 3.3 kilometres (2.1 mi) (2.1 , kuma daga tsibirin Snow zuwa yamma- kudu maso yamma ta hanyar Morton Strait mai faɗin kilomita 5.9 kilometres (3.7 mi). Tsibirin Deception, wanda ke cikin Bransfield Strait kusan kilomita 18 kilometres (11.2 mi) (11.2 kudu maso yammacin Livingston's Barnard Point, dutsen wuta ne mai aiki wanda ya fashe a 1967, 1969 da 1970 wanda ambaliyar ruwa ta samar da tashar jiragen ruwa mai kariya ta Port Foster da ta shiga ta hanyar 540 (590 yadudduka) da aka sani da Neptune's Bellows. Akwai tsaunuka masu yawa a kan tsibirin Livingston kanta waɗanda ke aiki a cikin Quaternary, kamar su Rezen Knoll, Gleaner Heights, Edinburgh Hill da Inott Point.

Tsibirin ya kai 73 kilometres (45 mi) daga Fara Point a yamma zuwa Renier Point a gabas, fadinsa ya bambanta daga 5 kilometres (3.1 mi) a wuya tsakanin South Bay da Hero Bay zuwa 36 kilometres (22 mi) tsakanin Botev Point zuwa kudu da Williams Point zuwa arewa. Livingston ita ce tsibiri mafi girma na biyu a cikin tsibiran bayan Sarki George, tare da sararin sama na 798 square kilometres (308 sq mi) (kimanin farkon karni na 21; adadi na yanzu zai iya zama dan kadan saboda canjin bakin teku). ^[3] ^[4]

Yankin bakin teku ba daidai ba ne, tare da manyan ƙuƙwalwa kamar South Bay, False Bay, 9 kilometres (5.6 mi)Moon Bay">Moon Bay, Hero, Barclay, New Plymouth, Osogovo da Walker, da kuma yankuna kamar Hurd (10 kilometres (6.2 mi) mi tsawo), (9 mi), (10.5 kilometres (6.5 mi) mi), (13 kilometres (8.1 mi) mi), Ioannes Paulus II (12.8 kilometres (8.0 mi) mi) da Byers (15 kilometres (9.3 mi) mi). ^[5] Akwai tsibirai da duwatsu da yawa da ke kwance a cikin ruwan da ke kewaye da su, musamman a bakin tekun arewa. daga cikin ƙananan tsibirai da ke kusa da su sune Rugged Island daga Byers Peninsula, Half Moon Island a Moon Bay, Desolation Island a Hero Bay, da Zed Islands daga Williams Point.

Dutsen kankara, sau da yawa suna janyewa a cikin 'yan shekarun da suka gabata don gano sabbin koguna, rairayin bakin teku, spits, maki da ƙananan tsibirai, sun samar da mafi yawan bakin teku. Sai dai ga yankin Byers da ba shi da kankara da wasu wuraren da aka ware, an rufe ƙasar da kankara tare da kankara mai kankara da tsaunuka a cikin tsakiya da yammacin yankuna, da kuma wasu kwarin da aka kafa ta hanyar tsaunuka masu tsaunuka na gabashin Livingston. Wasu yankuna na kankara, musamman kusa da iyakar kankara ko a kan gangaren da suka fi tsayi, suna da yawa kuma kusan ba za a iya isa ba tare da kayan aiki na musamman ba. A wani wuri, farfajiyar tana da santsi, mai wuya kuma tana da kwanciyar hankali don tafiya, tseren kankara ko snowmobiling. Koyaya, haɗarin faɗuwa cikin wasu ɓoyayyun ɓoye da aka rufe da gadar dusar ƙanƙara koyaushe yana nan, gami da wuraren da ake yawan ziyarta da kuma sanannun wuraren. Lokaci mai tsawo na yanayin zafi yana sa gadar dusar ƙanƙara ta fi rashin daidaituwa da haɗari.^[2]

Halin tsibirin glaciology shine bayyane ash layers wanda ya samo asali ne daga aikin dutsen wuta a tsibirin Deception Island makwabta. Tsibirin kuma yana da dutsen kankara da yawa wanda ya kunshi tarkace na dutse da aka daskare a cikin kankara, kamar waɗanda ke Nusha Hill, MacKay Peak da Renier Point.

Tare da babban yankin Byers Peninsula ( 60.35 square kilometres (23 sq mi) ) kafa iyakar yammacin Livingston, yankin da ba shi da ƙanƙara na tsibirin ya haɗa da wasu ƙananan yankunan bakin teku a Cape Shirreff, Siddins Point, Hannah Point, Williams Point, Hurd Peninsula da Rozhen Peninsula, da kuma gangara a cikin tsaunukan tsaunuka, da kuma tuddai da tsayi a cikin gabashin Livingston da dusar ƙanƙara. Raguna da yawa na narkewa suna gudana a cikin wuraren da ba su da ƙanƙara a lokacin bazara, suna tsawanta daga ɗaruruwan mita har zuwa 4.5 km. Byers Peninsula kadai yana da fiye da 60 irin waɗannan rafukan da kuma yawan tafkuna, musamman tafkin Midge (587 ta 112). m, ko 642 ta 122 yd), tafkin Limnopolar da tafkin Basalt . Yawancin irin waɗannan rafuffuka, tafkuna da tafkuna suna kusa da sansanonin Bulgaria da Spain akan Hurd Peninsula.