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48:. The channel may form on the surface of, within, beneath, along the margins of or downstream from the ice mass. Accordingly it would be referred to as supraglacial, englacial, subglacial, lateral (or ice-marginal) or proglacial.
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https://www.cambridge.org/core/services/aop-cambridge-core/content/view/39BCA503939401F57BB79A5B0044528D/S0022143000213282a.pdf/rothlisberger_channel_theory_its_origins_and_consequences.pdf
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is a related term descriptive of subglacial channels. Some examples of tunnel valleys in northwest
England have also been described as
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formed during various of the
Pleistocene glaciations which gave rise to the substantial Scandinavian ice sheet. A
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creating spillways along the southern margins of the
Laurentide icesheet in North America are documented.
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is a term sometimes used for a channel carved by water overflowing from, for example, a
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R K Gresswell, 1964 Origins of the Dee and Mersey
Estuaries
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may often be found in association with meltwater channels.
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Röthlisberger channel theory: its origins and consequences
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https://mars.jpl.nasa.gov/mgs/sci/fifthconf99/6237.pdf
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are described in glaciological literature including
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