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A northern exposure

A northern exposure

I captured the illuminance levels (in lux) in a street corner in Helsinki, Finland, during a typical winter day. From these readouts you may see that the levels are low even around noon. They are not providing an attractive option for light treatment of winter blues.

Keywords: diurnal, Diurnal and seasonal changes, Circadian Clocks, circadian rhythms, seasonal dynamics, Seasons, Seasonality, Seasonal variation, Seasonal Affective Disorder, Behavior, mood, Light, Lighting

Posted by: Timo Partonen

Posted on: 03 Feb 2014

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