Spring 2020 saw record-high sunshine duration across Western Europe. The Netherlands experienced its highest surface irradiance since 1928, exceeding the previous record by 13%. This coincided with reduced anthropogenic pollution due to COVID-19 lockdowns, leading to a hypothesis that cleaner air contributed. Analysis of ground-based and satellite data and radiative transfer model experiments revealed that exceptionally dry and cloud-free weather, not reduced aerosols, was the primary driver of the record irradiance.
Publisher
Communications Earth & Environment
Published On
Feb 15, 2021
Authors
Chiel C. van Heerwaarden, Wouter B. Mol, Menno A. Veerman, Imme Benedict, Bert G. Heusinkveld, Wouter H. Knap, Stelios Kazadzis, Natalia Kouremeti, Stephanie Fiedler
Tags
sunshine duration
surface irradiance
COVID-19 lockdowns
clean air
weather analysis
Western Europe
aerosols
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