Toward targeted observations of the meteorological initial state for improving the PM2.5 forecast of a heavy haze event that occurred in the Beijing–Tianjin–Hebei region
Lichao Yang,Wansuo Duan,Zifa Wang,and Wenyi Yang
Lichao Yang
LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing, 100029, China
LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing, 100029, China
Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters (CIC-FEMD), Nanjing University of Information
Science and Technology, Nanjing, 210044, China
Zifa Wang
LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing 100029, China
Wenyi Yang
LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing 100029, China
Viewed
Total article views: 3,242 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
2,097
1,058
87
3,242
93
137
HTML: 2,097
PDF: 1,058
XML: 87
Total: 3,242
BibTeX: 93
EndNote: 137
Views and downloads (calculated since 17 Mar 2022)
Cumulative views and downloads
(calculated since 17 Mar 2022)
Total article views: 2,525 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
1,702
758
65
2,525
81
126
HTML: 1,702
PDF: 758
XML: 65
Total: 2,525
BibTeX: 81
EndNote: 126
Views and downloads (calculated since 06 Sep 2022)
Cumulative views and downloads
(calculated since 06 Sep 2022)
Total article views: 717 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
395
300
22
717
12
11
HTML: 395
PDF: 300
XML: 22
Total: 717
BibTeX: 12
EndNote: 11
Views and downloads (calculated since 17 Mar 2022)
Cumulative views and downloads
(calculated since 17 Mar 2022)
Viewed (geographical distribution)
Total article views: 3,242 (including HTML, PDF, and XML)
Thereof 3,242 with geography defined
and 0 with unknown origin.
Total article views: 2,525 (including HTML, PDF, and XML)
Thereof 2,525 with geography defined
and 0 with unknown origin.
Total article views: 717 (including HTML, PDF, and XML)
Thereof 701 with geography defined
and 16 with unknown origin.
The initial meteorological state has a great impact on PM2.5 forecasts. Assimilating additional observations is an effective way to improve the accuracy of the initial meteorological state. Here we used an advanced optimization approach to identify where we should preferentially place the meteorological observations associated with PM2.5 forecasts in the Beijing–Tianjin–Hebei region of China. We provide evidence that the target observation strategy is effective for improving PM2.5 forecasts.
The initial meteorological state has a great impact on PM2.5 forecasts. Assimilating additional...
