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showed that the surrounding seabed is between 80 and 90 metres (260 – 300 ft) but the trenches are as deep as 230 m (750 ft). They run in a north-south direction and are on average between 1 and 2 km (.6 - 1.25 mi) in width and 20 to 30 km (12 - 18 mi) long.
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Historically, fishermen have known about the Devil's Hole for generations because they have lost trawl nets on the trenches' steep sides. It is for this reason that the area took its name.
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The gradient of the trench sides in the Devil's Hole is up to 10° in places. In a comparison, the
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Gregory, J. W (1931). "A deep trench on the floor of the North Sea".
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Group of deep trenches in the North Sea east of Dundee, Scotland
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61:The features, which were first charted by
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232:Oceanic trenches of the Atlantic Ocean
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162:"The Devil's Hole in the North Sea"
108:for map and links to similar places
46:is a group of deep trenches in the
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96:has an average gradient of 1°.
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227:Landforms of the North Sea
160:Fyfe, Alan (Autumn 1983).
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169:The Edinburgh Geologist
74:Geographical Journal
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90:continental shelf
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106:Dogger Bank
64:HMS Fitzroy
221:Categories
175:2015-04-22
171:(14): 8–16
113:References
79:Soundings
77:in 1931.
48:North Sea
100:See also
56:Scotland
191:56°38′N
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52:Dundee
165:(PDF)
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