Tanquary Fiord
| Tanquary Fiord | |
|---|---|
 Location
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| Location | Ellesmere Island |
| Coordinates | Lua error in package.lua at line 80: module 'strict' not found. |
| Ocean/sea sources | Nansen Sound |
| Basin countries | Nunavut, Canada |
Tanquary Fiord is a fjord on the north coast of the Canadian Arctic Archipelago's Ellesmere Island, Nunavut, Canada. It is located in the Quttinirpaaq National Park and extends 30 mi (48 km) in a north-westerly direction.
Contents
History
Radiocarbon dating methods suggest that between 10,000 and 4,100 BP, deglaciation occurred, followed by a period of glacial readvance and the formation of ice shelves until 2,400 BP. Until 1,400 BP, a period of glacial retreat occurred, and since then glacial readvance and nearby ice rises have marked the area.[1]
Radiocarbon analysis of charcoal undertaken by the Geological Survey of Canada has shown that Inuit were present at Tanquary Fiord around 1070 BP at the latest.[2]
Geography
The head of the Tanquary Fiord is the convergence point of four river valleys, three of which end in a floodplain and one in a river delta. Carbon dating findings show that the fjord was free of glacial ice approximately 6,500 years ago.[3] In the past 40 years, the terminal points of side glaciers have receded.[4]
Tanquary Fiord has 65 frost-free days per year (enough to grow lettuce), which is considered remarkable for its latitude. Summer temperatures of 18 °C (64 °F) have been recorded.[5]
Human activity
In 1963, the Defence Research Board began 'Operation Tanquary' in the area, with a focus on oceanography. The operation concluded in 1972.[6] As the fjord is in a remote location, there is little human habitation. A Warden Station is staffed by Parks Canada during the summer months,[7] and Tanquary Fiord Airport is located nearby. It is possible to reach the area via charter aircraft, or increasingly, via icebreaker cruise ships.[8] In 1947, a meteorological station was installed at Eureka, about 175 km (109 mi) southwest of the fiord.[9]
References
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