Fig. 1: ALAN and UHI effects on vegetation phenology.
From: Artificial light at night outweighs temperature in lengthening urban growing seasons
Increasing impervious fractions results in a concave quadratic increase of air temperature (Ta) and exponential increase of ALAN from rural to urban areas. The longer exposure to ALAN and higher Ta collectively contributes to a longer growing season, represented by the advancement of the SOS and delay of EOS in urban areas compared with rural areas.
