مضيق نارس

Coordinates: 80°N 070°W / 80°N 70°W / 80; -70 (Nares Strait)
مضيق نارس
Map indicating Nares Strait.png
مضيق نارِس (في مستطيل) يقع بين جزيرة إلـِس‌مير وگرينلاند.
  المقاطعات الشمالية الغربية، كندا
  نوناڤوت، كندا
  گرينلاند
مضيق نارس is located in Greenland
مضيق نارس
مضيق نارس
الموقعبين جزيرة إلـِس‌مير (كندا) و گرينلاند
الاحداثيات80°N 070°W / 80°N 70°W / 80; -70 (Nares Strait)
النوعمضيق
الاسم المحليError {{native name}}: an IETF language tag as parameter {{{1}}} is required (help)
أصل الكلمةجورج نارس
منابع المحيط/البحر
بلدان الحوضكندا، گرينلاند
أقصى طول530 km (330 mi)[1]:2026
أقل عرض35 km (22 mi)[1]:2026
أقصى عمق600 metres (2,000 ft)[1]:2026

مضيق نارِس ( Nares Strait ؛ دنماركية: Nares Strædet; فرنسية: Détroit de Nares) هو ممر مائي بين جزيرة إلـِس‌مير وگرينلاند الذي يربط الجزء الشمالي من خليج بافن في المحيط الأطلسي مع بحر لنكون في المحيط الأطلسي. من الجنوب إلى الشمال، المضيق يضم Smith Sound, Kane Basin, قناك كندي, Hall Basin وقنال روبسون. ويوجد في مضيق نارس، بشكل شبه دائم، تيار من الشمال، تدفعه Beaufort Gyre، مما يجعل المرور فيه أكثر صعوبة للسفن القادمة من الجنوب.

Time-lapse imagery from July 9 to Sept. 13 2012 shows an ice island calve من Petermann Glacier and pass through Nares Strait.

In 1964, its name was agreed by the Danish (Stednavneudvalget, now Stednavnenævnet) and Canadian governments. The name derives from the British naval officer George Strong Nares.

The strait and neighbouring waters are usually hazardous for navigation and shipping. Icebergs and pack ice are present year-round; in an extreme example during 1962–64, a 20 km (12 mi) by 10 km (6.2 mi) ice island drifted southward from the Lincoln Sea through the Nares and Davis Straits to the Labrador Sea.[1] During August, however, it is usually navigable by icebreakers. Prior to 1948, only five vessels were recorded as having successfully navigated north of Kane Basin. In 2009 the ship Arctic Sunrise made the first known June transit into the Arctic Ocean.[2]

Hans Island, a tiny island lying within the strait, had been claimed by both Denmark (on behalf of Greenland) and Canada until an agreement on June 14, 2022 settled the dispute by drawing a border across it.[3] Other islands within the strait are Joe Island, Crozier Island, and the much larger Franklin Island.

Thule People reached the Nares Strait in the early 13th century, where they hunted with and traded with Vikings.[4] Archeological remains of Thule Culture and Viking presence are found on Ruin Island.


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المراجع

  1. ^ أ ب ت ث Münchow, Andreas; Melling, Humfrey; Falkner, Kelly K (2006). "An Observational Estimate of Volume and Freshwater Flux Leaving the Arctic Ocean Through Nares Strait" (PDF). Journal of Physical Oceanography. 36 (11): 2026. Bibcode:2006JPO....36.2025M. CiteSeerX 10.1.1.690.6545. doi:10.1175/jpo2962.1. Archived from the original (PDF) on 2012-03-10. Retrieved 2010-12-23..
  2. ^ Barkham, Patrick (2009-09-01). "The Sermilik fjord in Greenland: a chilling view of a warming world". The Guardian. London.
  3. ^ "Denmark, Canada to sign deal ending dispute over tiny Arctic isle". www.aljazeera.com (in الإنجليزية). Retrieved 2022-06-14.
  4. ^ Inuit-Norse contact in the Smith Sound region/Schledermann, P. McCullough, K.M.


للاستزادة

  • Dawes, Peter R., and J. William Kerr. Nares Strait and the Drift of Greenland A Conflict in Plate Tectonics. Meddelelser om Grønland, 8. Copenhagen: [s.n.], 1982.
  • Sadler, H. E. 1976. Water, Heat and Salt Transports Through Nares Strait, Ellesmere Island. "Journal of the Fisheries Research Board of Canada", 33, 2286–2295..
  • Zreda, M, J England, F Phillips, D Elmore, and P Sharma. 1999. "Unblocking of the Nares Strait by Greenland and Ellesmere Ice-Sheet Retreat 10,000 Years Ago". Nature. 398, no. 6723: 139.

وصلات خارجية

قالب:Borders of Denmark

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