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10.1016/j.scitotenv.2020.141592 http://scihub22266oqcxt.onion/10.1016/j.scitotenv.2020.141592 32882494!7416771!32882494     free     free     free Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Sci+Total+Environ 2021 ; 750 (ä): 141592 Nephropedia Template TP {{tp|p=32882494|t=2021. Spatiotemporal impacts of COVID-19 on air pollution in California, USA |pdf=|usr=}}{{32882494}} gab.com Text Spatiotemporal impacts of COVID-19 on air pollution in California, USA JO: Sci Total Environ http://www.kidney.de/pget.php?&tw=1&pmid=32882494 #FOAvip Various recent studies have shown that societal efforts to mitigate (e.g. "lockdown") the outbreak of the 2019 coronavirus disease (COVID-19) caused non-negligible impacts on the environment, especially air quality. To examine if interventional policies due to COVID-19 have had a similar impact in the US state of California, this paper investigates the spatiotemporal patterns and changes in air pollution before, during and after the lockdown of the state, comparing the air quality measurements in 2020 with historical averages from 2015 to 2019. Through time series analysis, a sudden drop and uptick of air pollution are found around the dates when shutdown and reopening were ordered, respectively. The spatial patterns of nitrogen dioxide (NO(2)) tropospheric vertical column density (TVCD) show a decreasing trend over the locations of major powerplants and an increasing trend over residential areas near interactions of national highways. Ground-based observations around California show a 38%, 49%, and 31% drop in the concentration of NO(2), carbon monoxide (CO) and particulate matter 2.5 (PM(2.5)) during the lockdown (March 19-May 7) compared to before (January 26-March 18) in 2020. These are 16%, 25% and 19% sharper than the means of the previous five years in the same periods, respectively. Our study offers evidence of the environmental impact introduced by COVID-19, and insight into related economic influences. Twit Text FOAVip Spatiotemporal impacts of COVID-19 on air pollution in California, USA ????Sci Total Environ http://www.kidney.de/pget.php?&tw=1&pmid=32882494 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32882494 #FOAvip English Wikipedia <ref>{{Cite pmid|32882494}}</ref> Spatiotemporal impacts of COVID-19 on air pollution in California, USA #MMPMID32882494 Liu Q; Harris JT; Chiu LS; Sun D; Houser PR; Yu M; Duffy DQ; Little MM; Yang C Sci Total Environ 2021[Jan]; 750 (ä): 141592 PMID32882494show ga Various recent studies have shown that societal efforts to mitigate (e.g. "lockdown") the outbreak of the 2019 coronavirus disease (COVID-19) caused non-negligible impacts on the environment, especially air quality. To examine if interventional policies due to COVID-19 have had a similar impact in the US state of California, this paper investigates the spatiotemporal patterns and changes in air pollution before, during and after the lockdown of the state, comparing the air quality measurements in 2020 with historical averages from 2015 to 2019. Through time series analysis, a sudden drop and uptick of air pollution are found around the dates when shutdown and reopening were ordered, respectively. The spatial patterns of nitrogen dioxide (NO(2)) tropospheric vertical column density (TVCD) show a decreasing trend over the locations of major powerplants and an increasing trend over residential areas near interactions of national highways. Ground-based observations around California show a 38%, 49%, and 31% drop in the concentration of NO(2), carbon monoxide (CO) and particulate matter 2.5 (PM(2.5)) during the lockdown (March 19-May 7) compared to before (January 26-March 18) in 2020. These are 16%, 25% and 19% sharper than the means of the previous five years in the same periods, respectively. Our study offers evidence of the environmental impact introduced by COVID-19, and insight into related economic influences. |*Air Pollutants/analysis[MESH] |*Air Pollution/analysis[MESH] |*Coronavirus[MESH] |*Coronavirus Infections[MESH] |*Pandemics[MESH] |*Pneumonia, Viral[MESH] |Betacoronavirus[MESH] |COVID-19[MESH] |California[MESH] |Environmental Monitoring[MESH] |Humans[MESH] |Particulate Matter/analysis[MESH]Spatiotemporal impacts of COVID-19 on air pollution in California, USA(epmc).pdf DeepDyve Pubget Overpricing