What drives diurnal temperature variations in arctic winter? (climate, temperatures, places)
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Hello guys, First post on here so I thought I'd ask a question that's been bothering me for a while.
What drives diurnal temperature changes in places that receive little to no insolation during polar winter?
For example, in Barrow, AK, the sun never comes closer than 4-5 degrees below the horizon at solar noon in December, yet the climate data still shows approx. 12 degrees of daily variation between high and low.
Obviously, the further north you go the more dramatic this becomes. In Alert, at 84N, they are just barely into astronomical twilight at solar noon around the solstice, yet they still manage around 7 degrees daily temperature range.
I know insolation is not the only factor at play in determining temperature variation, but I am extremely curious what else could be driving this. Thanks!
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