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About a year ago we had the 1st #covidlockdown in Germany
I'm the stay-home homeschooling dad - my wife is a medical doctor
But I could work @ night which I do often anyway
I did measure the night sky brightness and found it had decreased compared to before lockdown (1/12)
I'm the stay-home homeschooling dad - my wife is a medical doctor
But I could work @ night which I do often anyway
I did measure the night sky brightness and found it had decreased compared to before lockdown (1/12)
so in March 2017 it was less bright than in 2020 (see figure for zenith brightness)
this is surprising because we would expect light emission and #lightpollution to increase like shown in the paper we co-authored with @skyglowberlin and others
advances.sciencemag.org/content/3/11/e…
(2/12)
this is surprising because we would expect light emission and #lightpollution to increase like shown in the paper we co-authored with @skyglowberlin and others
advances.sciencemag.org/content/3/11/e…
(2/12)
using night-time light satellite time series data (VIIRS DNB) we saw an increase in most major towns along the route we measured
you can check such data with @skyglowberlin tool:
lighttrends.lightpollutionmap.info
this was what we eexpected (3/12)
you can check such data with @skyglowberlin tool:
lighttrends.lightpollutionmap.info
this was what we eexpected (3/12)
