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Akademický článek

Impact of different sources of precursors on an ozone pollution outbreak over Europe analysed with IASI+GOME2 multispectral satellite observations and model simulations

Autor: S. Okamoto, J. Cuesta, M. Beekmann, G. Dufour, M. Eremenko, K. Miyazaki, C. Boonne, H. Tanimoto, H. Akimoto

Publikováno v: Atmospheric Chemistry and Physics, Vol 23, Pp 7399-7423 (2023)

We examine the impact of different sources of ozone precursors on the daily evolution of successive ozone pollution outbreaks across Europe in July 2017 by using a multispectral satellite approach called IASI+GOME2 and a tropospheric chemistry reanal

Externí odkaz: https://doaj.org/article/36bf3e5cc67d443d9d75e50034647cf1

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Akademický článek

Unbalanced emission reductions of different species and sectors in China during COVID-19 lockdown derived by multi-species surface observation assimilation

Autor: L. Kong, X. Tang, J. Zhu, Z. Wang, Y. Sun, P. Fu, M. Gao, H. Wu, M. Lu, Q. Wu, S. Huang, W. Sui, J. Li, X. Pan, L. Wu, H. Akimoto, G. R. Carmichael

Publikováno v: Atmospheric Chemistry and Physics, Vol 23, Pp 6217-6240 (2023)

The unprecedented lockdown of human activities during the COVID-19 pandemic has significantly influenced social life in China. However, understanding the impact of this unique event on the emissions of different species is still insufficient, prohibi

Externí odkaz: https://doaj.org/article/8c69dfc0016846f1a1acba53fccd61b3

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Akademický článek

Discrepancies between MICS-Asia III simulation and observation for surface ozone in the marine atmosphere over the northwestern Pacific Asian Rim region

Autor: H. Akimoto, T. Nagashima, N. Kawano, L. Jie, J. S. Fu, Z. Wang

Publikováno v: Atmospheric Chemistry and Physics, Vol 20, Pp 15003-15014 (2020)

In order to identify the causes of overestimate of the surface-level O3 mixing ratio simulated by three regional chemical-transport models, NAQPMS v.3 (abbreviated as NAQM in this paper), CMAQ v.5.0.2, and CMAQ v.4.7.1, compared to the EANET observat

Externí odkaz: https://doaj.org/article/8154d0e389fb4b129854d2b0a4961e01

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Akademický článek

Evaluation of NU-WRF model performance on air quality simulation under various model resolutions – an investigation within the framework of MICS-Asia Phase III

Autor: Z. Tao, M. Chin, M. Gao, T. Kucsera, D. Kim, H. Bian, J. Kurokawa, Y. Wang, Z. Liu, G. R. Carmichael, Z. Wang, H. Akimoto

Publikováno v: Atmospheric Chemistry and Physics, Vol 20, Pp 2319-2339 (2020)

Horizontal grid resolution has a profound effect on model performances on meteorology and air quality simulations. In contribution to MICS-Asia Phase III, one of whose goals was to identify and reduce model uncertainty in air quality prediction, this

Externí odkaz: https://doaj.org/article/2e95b824e684423f828183fce68dae23

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Akademický článek

Model evaluation and intercomparison of surface-level ozone and relevant species in East Asia in the context of MICS-Asia Phase III – Part 1: Overview

Autor: J. Li, T. Nagashima, L. Kong, B. Ge, K. Yamaji, J. S. Fu, X. Wang, Q. Fan, S. Itahashi, H.-J. Lee, C.-H. Kim, C.-Y. Lin, M. Zhang, Z. Tao, M. Kajino, H. Liao, M. Li, J.-H. Woo, J. Kurokawa, Z. Wang, Q. Wu, H. Akimoto, G. R. Carmichael

Publikováno v: Atmospheric Chemistry and Physics, Vol 19, Pp 12993-13015 (2019)

Spatiotemporal variations of ozone (O3) and nitrogen oxide (NOx) mixing ratios from 14 state-of-the-art chemical transport models (CTMs) are intercompared and evaluated with O3 observations in East Asia, within the framework of the Model Inter-Compar

Externí odkaz: https://doaj.org/article/51db97946f1145a98a9f258e649305f0

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Akademický článek

Comparison of surface ozone simulation among selected regional models in MICS-Asia III – effects of chemistry and vertical transport for the causes of difference

Autor: H. Akimoto, T. Nagashima, J. Li, J. S. Fu, D. Ji, J. Tan, Z. Wang

Publikováno v: Atmospheric Chemistry and Physics, Vol 19, Pp 603-615 (2019)

In order to clarify the causes of variability among the model outputs for surface ozone in the Model Intercomparison Study Asia Phase III (MICS-Asia III), three regional models, CMAQ v.5.0.2, CMAQ v.4.7.1, and NAQPMS (abbreviated as NAQM in this pape

Externí odkaz: https://doaj.org/article/9ff2631b03c8453997ebe7824edf0571

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Akademický článek

Long-term change in the source contribution to surface ozone over Japan

Autor: T. Nagashima, K. Sudo, H. Akimoto, J. Kurokawa, T. Ohara

Publikováno v: Atmospheric Chemistry and Physics, Vol 17, Pp 8231-8246 (2017)

The relative contributions of various source regions to the long-term (1980–2005) increasing trend in surface ozone (O3) over Japan were estimated by a series of tracer-tagging simulations using a global chemical transport model. The model simul

Externí odkaz: https://doaj.org/article/d6bd76894de3481e94f744d828605321

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