Footprint of the 2020 COVID-19 Lockdown on Column-Integrated Aerosol Parameters in Spain
نویسندگان
چکیده
The lockdown adopted in Spain to combat the global pandemic due coronavirus disease (COVID-19) led a significant reduction emission of aerosols produced by road traffic and industry. This study aims detect changes column COVID-19 lockdown. High-quality AErosol RObotic NETwork (AERONET) measurements AOD (aerosol optical depth), AE (Ångström exponent) SSA (single scattering albedo) over period 2012–2020 are used for this purpose. Ten AERONET stations with available during post-lockdown periods long previous data record selected. well distributed throughout Spain, covering different areas population densities. A comprehensive set three statistical tests applied assess general dataset, central tendency low high values each parameter. analyses conducted 2020 comparing daily aerosol recorded same calendar days 2012–2019. results indicate increase decrease post-lockdown. While shows no overall behaviour, is parameter most sensitive anthropogenic contribution, an almost all both periods. contributes addressing impact provides methodologies its footprint.
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ژورنال
عنوان ژورنال: Remote Sensing
سال: 2023
ISSN: ['2315-4632', '2315-4675']
DOI: https://doi.org/10.3390/rs15123167