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10.1029/2020GL088533 http://scihub22266oqcxt.onion/10.1029/2020GL088533 C7300478!7300478 !32836517     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=32836517 &cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215       Geophys+Res+Lett 2020 ; 47 (12 ): e2020GL088533 Nephropedia Template TP {{tp|p=32836517 |t=2020. Puzzling Haze Events in China During the Coronavirus (COVID-19) Shutdown |pdf=|usr=}}{{32836517 }} gab.com Text Puzzling Haze Events in China During the Coronavirus (COVID-19) Shutdown JO: Geophys Res Lett http://www.kidney.de/pget.php?&tw=1&pmid=32836517 #FOAvip It is a puzzle as to why more severe haze formed during the New Year Holiday in 2020 (NYH-20), when China was in an unprecedented state of shutdown to contain the coronavirus (COVID-19) outbreak, than in 2019 (NYH-19). We performed a comprehensive measurement and modeling analysis of the aerosol chemistry and physics at multiple sites in China (mainly in Shanghai) before, during, and after NYH-19 and NYH-20. Much higher secondary aerosol fraction in PM(2.5) were observed during NYH-20 (73%) than during NYH-19 (59%). During NYH-20, PM(2.5) levels correlated significantly with the oxidation ratio of nitrogen (r (2) = 0.77, p < 0.01), and aged particles from northern China were found to impede atmospheric new particle formation and growth in Shanghai. A markedly enhanced efficiency of nitrate aerosol formation was observed along the transport pathways during NYH-20, despite the overall low atmospheric NO(2) levels. Twit Text FOAVip Puzzling Haze Events in China During the Coronavirus (COVID-19) Shutdown ????Geophys Res Lett http://www.kidney.de/pget.php?&tw=1&pmid=32836517 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32836517 #FOAvip English Wikipedia <ref>{{Cite pmid|32836517 }}</ref> Puzzling Haze Events in China During the Coronavirus (COVID-19) Shutdown #MMPMID32836517 Chang Y ; Huang RJ ; Ge X ; Huang X ; Hu J ; Duan Y ; Zou Z ; Liu X ; Lehmann MF Geophys Res Lett 2020[Jun]; 47 (12 ): e2020GL088533 PMID32836517 show ga It is a puzzle as to why more severe haze formed during the New Year Holiday in 2020 (NYH-20), when China was in an unprecedented state of shutdown to contain the coronavirus (COVID-19) outbreak, than in 2019 (NYH-19). We performed a comprehensive measurement and modeling analysis of the aerosol chemistry and physics at multiple sites in China (mainly in Shanghai) before, during, and after NYH-19 and NYH-20. Much higher secondary aerosol fraction in PM(2.5) were observed during NYH-20 (73%) than during NYH-19 (59%). During NYH-20, PM(2.5) levels correlated significantly with the oxidation ratio of nitrogen (r (2) = 0.77, p < 0.01), and aged particles from northern China were found to impede atmospheric new particle formation and growth in Shanghai. A markedly enhanced efficiency of nitrate aerosol formation was observed along the transport pathways during NYH-20, despite the overall low atmospheric NO(2) levels. ?Puzzling Haze Events in China During the Coronavirus (COVID-19) Shutdo(epmc).pdf DeepDyve Pubget Overpricing