Articles | Volume 21, issue 20
https://doi.org/10.5194/acp-21-15883-2021
https://doi.org/10.5194/acp-21-15883-2021
Research article
 | 
25 Oct 2021
Research article |  | 25 Oct 2021

Improved gridded ammonia emission inventory in China

Baojie Li, Lei Chen, Weishou Shen, Jianbing Jin, Teng Wang, Pinya Wang, Yang Yang, and Hong Liao

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Cited articles

Backes, A., Aulinger, A., Bieser, J., Matthias, V., and Quante, M.: Ammonia emissions in Europe, part I: Development of a dynamical ammonia emission inventory, Atmos Environ, 131, 55-66, 10.1016/j.atmosenv.2016.01.041, 2016. 
Bouwman, A., Boumans, L., and Batjes, N.: Estimation of global NH3 volatilization loss from synthetic fertilizers and animal manure applied to arable lands and grasslands, Global Biogeochem. Cy., 16, 8-1–8-14, 2002. 
Bouwman, A. F., Lee, D. S., Asman, W. A. H., Dentener, F. J., Van Der Hoek, K. W., and Olivier, J. G. J.: A global high-resolution emission inventory for ammonia, Global Biogeochem. Cy., 11, 561–587, https://doi.org/10.1029/97GB02266, 1997. 
Cai, G. X., Chen, D. L., Ding, H., Pacholski, A., Fan, X. H., and Zhu, Z. L.: Nitrogen losses from fertilizers applied to maize, wheat and rice in the North China Plain, Nut. Cycl. Agroecosyst., 63, 187–195, https://doi.org/10.1023/A:1021198724250, 2002. 
Chang, Y. H., Zou, Z., Deng, C. R., Huang, K., Collett, J. L., Lin, J., and Zhuang, G. S.: The importance of vehicle emissions as a source of atmospheric ammonia in the megacity of Shanghai, Atmos. Chem. Phys., 16, 3577–3594, https://doi.org/10.5194/acp-16-3577-2016, 2016. 
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This study focused on improving fertilizer-application-related NH3 emission inventories. We comprehensively evaluated the dates and times of fertilizer application to the major crops in China, improved the spatial allocation methods for NH3 emissions from croplands with different rice types, and established a NH3 emission inventory for mainland China in 2016. The inventory showed a higher level of accuracy than other inventories based on evaluation using the WRF-Chem and observation data.
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