The strengthening relationship between Eurasian snow cover and December haze days in central North China after the mid-1990s

Yin, Zhicong; Wang, Huijun

doi:https://doi.org/10.5194/acp-18-4753-2018

Articles | Volume 18, issue 7

https://doi.org/10.5194/acp-18-4753-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-4753-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 7

Research article

|

09 Apr 2018

Research article |

| 09 Apr 2018

The strengthening relationship between Eurasian snow cover and December haze days in central North China after the mid-1990s

Zhicong Yin and Huijun Wang

Supplement

https://doi.org/10.5194/acp-18-4753-2018-supplement

Data sets

Atmospheric data NCEP/NCAR http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html

Snow cover data Rutgers University http://climate.rutgers.edu/snowcover/

Ground observations CMA http://data.cma.cn/

PBLH data ERA-Interim http://www.ecmwf.int/en/research/climate-reanalysis/era-interim

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Short summary

In China, the haze pollution in December has become increasingly serious over recent decades. The relationship between the snow cover and the December haze days was analyzed. This relationship significantly strengthened after the mid-1990s, which is attributed to the effective connections between the snow cover and the Eurasian atmospheric circulations.