Results 21 to 30 of about 315,278 (352)

Seasonal variations in the highly time-resolved aerosol composition, sources and chemical processes of background submicron particles in the North China Plain [PDF]

Atmospheric Chemistry and Physics, 2021
For the first time in the North China Plain (NCP) region, we investigated the seasonal variations in submicron particles (NR-PM1) and their chemical composition at a background mountainous site of Xinglong using an Aerodyne high-resolution time-of-flight
J. Li, J. Li, L. Cao, W. Gao, L. He, Y. Yan, Y. Yan, Y. He, Y. Pan, D. Ji, Z. Liu, Z. Liu, Z. Liu, Y. Wang, Y. Wang, Y. Wang   +15 more
doaj   +1 more source

Evaluating convective planetary boundary layer height estimations resolved by both active and passive remote sensing instruments during the CHEESEHEAD19 field campaign

Atmospheric Measurement Techniques, 2022
. During the Chequamegon Heterogeneous Ecosystem Energy-balance Study Enabled by a High-density Extensive Array of Detectors 2019 (CHEESEHEAD19) field campaign, held in the summer of 2019 in northern Wisconsin, USA, active and passive ground-based remote
James B. Duncan Jr., L. Bianco, B. Adler, Tyler M. Bell, I. Djalalova, L. Riihimaki, J. Sedlar, Elizabeth N. Smith, D. Turner, T. Wagner, J. Wilczak   +10 more
semanticscholar   +1 more source

Deep learning-based gas-phase chemical kinetics kernel emulator: Application in a global air quality simulation case

Frontiers in Environmental Science, 2022
The global atmospheric chemical transport model has become a key technology for air quality forecast and management. However, precise and rapid air quality simulations and forecast are frequently limited by the model’s computational performance.
Zixi Wang, Zixi Wang, Jie Li, Jie Li, Jie Li, Lin Wu, Lin Wu, Mingming Zhu, Mingming Zhu, Yujing Zhang, Yujing Zhang, Zhilan Ye, Zhilan Ye, Zifa Wang, Zifa Wang, Zifa Wang   +15 more
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Evaluation of retrieval methods for planetary boundary layer height based on radiosonde data

Atmospheric Measurement Techniques, 2021
. Radiosonde (RS) is widely used to detect the vertical structures of the planetary boundary layer (PBL), and numerous methods have been proposed for retrieving PBL height (PBLH) from RS data.
Hui Li, Boming Liu, Xin Ma, Shikuan Jin, Yingying Ma, Yuefeng Zhao, W. Gong   +6 more
semanticscholar   +1 more source

Lecture Notes on The Planetary Boundary Layer

, 2016
This set of lecture notes introduces the dynamics, statistics, clouds, and models of the planetary boundary layer (PBL). The author prepared the notes for graduate classes while on sabbatical leave at the Department of Atmospheric Science at Colorado State University in 1994 and 1998 and the Department of Atmospheric and Oceanic Sciences, University of
C. H. Moeng
openaire   +2 more sources

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

Atmospheric Chemistry and Physics, 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, prohibiting
L. Kong, L. Kong, X. Tang, X. Tang, J. Zhu, J. Zhu, Z. Wang, Z. Wang, Z. Wang, Y. Sun, Y. Sun, P. Fu, M. Gao, H. Wu, H. Wu, M. Lu, Q. Wu, Q. Wu, S. Huang, W. Sui, J. Li, J. Li, X. Pan, X. Pan, L. Wu, L. Wu, H. Akimoto, G. R. Carmichael   +27 more
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An improved process-oriented hydro-biogeochemical model for simulating dynamic fluxes of methane and nitrous oxide in alpine ecosystems with seasonally frozen soils [PDF]

Biogeosciences, 2021
The hydro-biogeochemical model Catchment Nutrient Management Model – DeNitrification-DeComposition (CNMM-DNDC) was established to simultaneously quantify ecosystem productivity and losses of nitrogen and carbon at the site or catchment scale.
W. Zhang, Z. Yao, S. Li, X. Zheng, X. Zheng, H. Zhang, H. Zhang, L. Ma, L. Ma, K. Wang, R. Wang, C. Liu, S. Han, J. Deng, Y. Li   +14 more
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Organic aerosol volatility and viscosity in the North China Plain: contrast between summer and winter [PDF]

Atmospheric Chemistry and Physics, 2021
Volatility and viscosity have substantial impacts on gas–particle partitioning, formation and evolution of aerosol and hence the predictions of aerosol-related air quality and climate effects.
W. Xu, C. Chen, C. Chen, Y. Qiu, Y. Qiu, Y. Li, Z. Zhang, Z. Zhang, E. Karnezi, E. Karnezi, S. N. Pandis, C. Xie, C. Xie, C. Xie, Z. Li, Z. Li, J. Sun, J. Sun, N. Ma, W. Xu, P. Fu, P. Fu, Z. Wang, Z. Wang, J. Zhu, D. R. Worsnop, N. L. Ng, N. L. Ng, N. L. Ng, Y. Sun, Y. Sun, Y. Sun   +31 more
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High-resolution modeling of the distribution of surface air pollutants and their intercontinental transport by a global tropospheric atmospheric chemistry source–receptor model (GNAQPMS-SM) [PDF]

Geoscientific Model Development, 2021
Many efforts have been devoted to quantifying the impact of intercontinental transport on global air quality by using global chemical transport models with horizontal resolutions of hundreds of kilometers in recent decades.
Q. Ye, Q. Ye, J. Li, J. Li, J. Li, X. Chen, X. Chen, H. Chen, W. Yang, W. Yang, H. Du, X. Pan, X. Pan, X. Tang, X. Tang, W. Wang, L. Zhu, J. Li, Z. Wang, Z. Wang, Z. Wang, Z. Wang   +21 more
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Haze pollution under a high atmospheric oxidization capacity in summer in Beijing: insights into formation mechanism of atmospheric physicochemical processes [PDF]

Atmospheric Chemistry and Physics, 2020
Under a high atmospheric oxidization capacity, the synergistic effect of the physicochemical processes in the atmospheric boundary layer (ABL) caused summer haze pollution in Beijing.
D. Zhao, D. Zhao, G. Liu, G. Liu, J. Xin, J. Xin, J. Xin, J. Quan, Y. Wang, X. Wang, L. Dai, W. Gao, G. Tang, B. Hu, Y. Ma, X. Wu, L. Wang, Z. Liu, F. Wu   +18 more
doaj   +1 more source