GEO 605 Lecture Notes - Lecture 3: Redpoll, Forb, Arctic Wolf
7 Mar 2015
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Document Summary
The sun shines at midnight during the summer above the arctic circle. @70 degree n: sun sets in november and doesn"t come back until mid. Example: resolute weather [-32 degree] sun doesn"t come back yet, A lot less solar radiation ( even with 24 hours of sunlight in the summer) On average only 2 months of the year (july and august) have average daily temperatures above freezing (0 degree celsius) In toronto ( 2 and 1/2 months are below freezing (0 degree celsius) Lower angle, wide space, so it takes a lot of time to warm things up, even with 24 hours of sunlight per day) In orangeville, you have 2 months that are below freezing ( 0 degree. Very little precipitation [ arctic is a desert] Less than 200mm (toronto gets about 900mm) Air is dry, little evaporation because everything is frozen and cover up with snow. Snow doesn"t melt and will distribute by the wind.
