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izvor podataka: crosbi

Machine learning and meteorological normalization for assessment of particulate matter changes during the COVID-19 lockdown in Zagreb, Croatia (CROSBI ID 311137)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Lovrić, Mario ; Antunović, Mario ; Šunić, Iva ; Vuković, Matej ; Kecorius, Simonas ; Kröll, Mark ; Bešlić, Ivan ; Godec, Ranka ; Pehnec, Gordana ; Geiger, Bernhard C. et al. Machine learning and meteorological normalization for assessment of particulate matter changes during the COVID-19 lockdown in Zagreb, Croatia // International journal of environmental research and public health, 19 (2022), 11; 6937, 16. doi: 10.3390/ijerph19116937

Podaci o odgovornosti

Lovrić, Mario ; Antunović, Mario ; Šunić, Iva ; Vuković, Matej ; Kecorius, Simonas ; Kröll, Mark ; Bešlić, Ivan ; Godec, Ranka ; Pehnec, Gordana ; Geiger, Bernhard C. ; Grange, Stuart K. ; Šimić, Iva

engleski

Machine learning and meteorological normalization for assessment of particulate matter changes during the COVID-19 lockdown in Zagreb, Croatia

In this paper, the authors investigated changes in mass concentrations of particulate matter (PM) during the Coronavirus Disease of 2019 (COVID-19) lockdown. Daily samples of PM1, PM2.5 and PM10 fractions were measured at an urban background sampling site in Zagreb, Croatia from 2009 to late 2020. For the purpose of meteorological normalization, the mass concentrations were fed alongside meteorological and temporal data to Random Forest (RF) and LightGBM (LGB) models tuned by Bayesian optimization. The models’ predictions were subsequently de-weathered by meteorological normalization using repeated random resampling of all predictive variables except the trend variable. Three pollution periods in 2020 were examined in detail: January and February, as pre- lockdown, the month of April as the lockdown period, as well as June and July as the “new normal”. An evaluation using normalized mass concentrations of particulate matter and Analysis of variance (ANOVA) was conducted. The results showed that no significant differences were observed for PM1, PM2.5 and PM10 in April 2020— compared to the same period in 2018 and 2019. No significant changes were observed for the “new normal” as well. The results thus indicate that a reduction in mobility during COVID-19 lockdown in Zagreb, Croatia, did not significantly affect particulate matter concentration in the long-term

random forests ; LightGBM ; air quality ; coronavirus disease of 2019 ; PM1 ; PM2.5 ; PM10 ; traffic

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Podaci o izdanju

19 (11)

2022.

6937

16

objavljeno

1661-7827

1660-4601

10.3390/ijerph19116937

Povezanost rada

Biotehnologija, Informacijske i komunikacijske znanosti, Interdisciplinarne biotehničke znanosti

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