The mean concentration of pm 2 5 during p1 p2 and p3 was 60 9 42 4 41 2 26 3 and 34 0 23 7 μg m 3 respectively fig.
Atmos k hen.
By contrast the so 2 and co concentrations slightly decreased by 15 and 22 respectively during p3.
2 southern marine science and engineering guangdong laboratory zhuhai zhuhai.
The composition and seasonal variations of water soluble organic compounds including 18 dicarboxylic acids and 7 sugars were determined in the atmospheric aerosol in the surroundings of bologna.
The cmaq v5 0 1 model was applied to simulate air pollution in china with a horizontal resolution of 36 km 36 km during january 1 to february 12 2020 the model has been updated to better predict air pollutants in china and details can be found in hu et al.
2016 the meteorological inputs were generated using wrf v3 7 1 with initial and boundary conditions from the national center for.
The corrosion inhibition evaluation of aluminium alloy aa7075 t7351 in 1 0 m hcl environment by biologically active and water soluble luteolin 7 glucoside and phenolic polymeric compounds in.
We present theoretical calculations for all three isotope ratios of sulfur 33 s 32 s 34 s 32 s 36 s 32 s at the b3lyp 6 31 g d p level of theory for aqueous sulfur compounds modeled in 30 40h 2 o clusters spanning the range of sulfur oxidation state s n n 2 to 6 for estimating equilibrium fractionation factors in aqueous systems computed 34 β values based on major isotope.
Whereas in recent investigations in the north china plain ncp a reduction 20 66 in total voc concentration is noticed compared with the.
The pm 2 5 concentration decreased by 33 and 44 during p2 and p3 respectively.
Based on 8 years of january 2008 december 2015 cloud phase information from the gcm oriented cloud aerosol lidar and infrared pathfinder satellite observation calipso cloud product goccp aerosol products from calipso and meteorological parameters from the era interim products the present study investigates the effects of atmospheric dynamics on the supercooled liquid cloud.
1 school of atmospheric sciences and guangdong province key laboratory for climate change and natural disaster studies sun yat sen university guangzhou 510275 china.
Towards an integrated approach to understanding ecosystem predictability in the north pacific.
The purpose of this review is to summarize the current understandings of atmospheric voc characteristics in china and put forward the methodological drawbacks of the voc measurement that need to be resolved and the research gaps that need to be filled.
Beijing is the core of the beijing tianjin hebei region with highly developed heavy industry han et al 2017 although the government has relocated heavy industry and highly polluting enterprises such as shougang group out of beijing most of these factories have been relocated in hebei around beijing the city s atmospheric environment thus remains very vulnerable to emissions from these.
