Articles | Volume 19, issue 10
https://doi.org/10.5194/amt-19-3253-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-3253-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 May 2026
Research article |
| 22 May 2026
| 22 May 2026
Biomass burning aerosol transport from Indo-China Peninsula to South China: fluorescence lidar observation and analysis
Zhekai Li
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Dawei Tang
Academy of Chips Technology, China Electronics Technology Group Corporation, Chongqing 401332, China
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Saifen Yu
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Jing Cai
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Information Engineering, Huangshan University, Huangshan 245041, China
Zhen Zhang
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Jiadong Hu
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Institute of Lidar Technology, GuangZai Co., Ltd., Hangzhou 310005, China
Haobin Han
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Institute of Lidar Technology, GuangZai Co., Ltd., Hangzhou 310005, China
Yubin Wang
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Institute of Lidar Technology, GuangZai Co., Ltd., Hangzhou 310005, China
State Key Laboratory of Climate System Prediction and Risk Management, Nanjing University of Information Science and Technology, Nanjing 210044, China
School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China
Institute of Lidar Technology, GuangZai Co., Ltd., Hangzhou 310005, China
School of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China
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EGUsphere, https://doi.org/10.5194/egusphere-2026-2865, https://doi.org/10.5194/egusphere-2026-2865, 2026
This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Using wind lidar, ERA5, and WRF data, this study explores nocturnal tropospheric gravity waves in a double-jet environment over the Taklimakan Desert. Results show 10–20 min oscillations within the weak-wind layer between a lower easterly and upper westerly jet, triggered by shear instability. Thermal and Doppler ducting jointly trap these waves. Notably, lower jet intensification compresses the waveguide, shifting trapped modes to higher frequencies.
Tianle Bai, Yuanyi Lin, Mengya Wang, Tianwen Wei, Fangzhi Wei, Kuancheng Lv, and Haiyun Xia
EGUsphere, https://doi.org/10.5194/egusphere-2026-1739, https://doi.org/10.5194/egusphere-2026-1739, 2026
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This study investigates how fast-moving air currents close to the ground influence the vertical transport of dust over Hefei in eastern China. Using laser-based wind observations during two dust events, it shows that one event rapidly brings dust down to the surface, whereas the other keeps dust suspended at higher altitudes and delays surface pollution. These findings improve understanding of how dust is redistributed in the lower atmosphere and help improve weather and air-quality forecasts.
Lian Su, Haiyun Xia, Chunsong Lu, Jinlong Yuan, Kenan Wu, Tianwen Wei, Xiaofei Wang, Qing He, Mohamed Elshora, Xi Luo, and Xinyang Li
Atmos. Meas. Tech., 19, 2657–2668, https://doi.org/10.5194/amt-19-2657-2026, https://doi.org/10.5194/amt-19-2657-2026, 2026
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1. The formation of ice crystal clouds catalyzed by dust aerosols were observed by coherent Doppler wind lidar in the Taklimakan Desert. 2. The wind provides a dynamic basis for the formation of ice crystal clouds and plays an important role in the decomposition process. 3. The special basin topography, turbulence and downdrafts keep the base height of the ice crystal clouds at around 3 km.
Daihao Yu, Qiuwei Xia, Saifen Yu, Yixiang Chen, Keyi Xu, Haobin Han, Jianjun Guo, Kexin Guo, Jiadong Hu, Zhen Zhang, Jing Cai, Yuanjian Yang, and Haiyun Xia
EGUsphere, https://doi.org/10.5194/egusphere-2025-6470, https://doi.org/10.5194/egusphere-2025-6470, 2026
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Industrial parks are critical nodes in the global carbon cycle. This study combines high-resolution lidar observations and the WRF-GHG model to examine CO2 accumulation and dispersion in a semi-enclosed bay. Distinct diurnal patterns emerge: nighttime accumulation and daytime dispersion driven by terrain, atmospheric stability and sea breezes. WRF-GHG captures temporal trends, but it underestimates CO2 levels, indicating limitations in emission inventories and terrain-wind interactions.
Tianwen Wei, Mengya Wang, Kenan Wu, Jinlong Yuan, Haiyun Xia, and Simone Lolli
Atmos. Meas. Tech., 18, 1841–1857, https://doi.org/10.5194/amt-18-1841-2025, https://doi.org/10.5194/amt-18-1841-2025, 2025
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This study analyzes three years of wind lidar measurements to explore the dynamics of the urban planetary boundary layer in Hefei, China. Results reveal that nocturnal low-level jets are most frequent in spring and intensify in summer, significantly enhancing turbulence and shear near the surface, particularly at night. Additionally, cloud cover raises the mixing layer height by approximately 100 m at night due to the greenhouse effect but reduces it by up to 200 m in the afternoon.
Lian Su, Chunsong Lu, Jinlong Yuan, Xiaofei Wang, Qing He, and Haiyun Xia
Atmos. Chem. Phys., 24, 10947–10963, https://doi.org/10.5194/acp-24-10947-2024, https://doi.org/10.5194/acp-24-10947-2024, 2024
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The cold downhill airflow of the Tibetan Plateau leading to the low-level jet weakens the height and intensity of the inversion layer, which reduces the energy demand for the broken inversion layer. The low-level jet causes dust aerosols to accumulate near the ground. The material conditions for the development of the desert atmospheric boundary layer can be quickly transformed into thermal conditions.
Kenan Wu, Tianwen Wei, Jinlong Yuan, Haiyun Xia, Xin Huang, Gaopeng Lu, Yunpeng Zhang, Feifan Liu, Baoyou Zhu, and Weidong Ding
Atmos. Meas. Tech., 16, 5811–5825, https://doi.org/10.5194/amt-16-5811-2023, https://doi.org/10.5194/amt-16-5811-2023, 2023
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A compact all-fiber coherent Doppler wind lidar (CDWL) working at the 1.5 µm wavelength is applied to probe the dynamics and microphysics structure of thunderstorms. It was found that thunderclouds below the 0 ℃ isotherm have significant spectrum broadening and an increase in skewness, and that lightning affects the microphysics structure of the thundercloud. It is proven that the precise spectrum of CDWL is a promising indicator for studying the charge structure of thunderstorms.
Lian Zong, Yuanjian Yang, Haiyun Xia, Meng Gao, Zhaobin Sun, Zuofang Zheng, Xianxiang Li, Guicai Ning, Yubin Li, and Simone Lolli
Atmos. Chem. Phys., 22, 6523–6538, https://doi.org/10.5194/acp-22-6523-2022, https://doi.org/10.5194/acp-22-6523-2022, 2022
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Heatwaves (HWs) paired with higher ozone (O3) concentration at surface level pose a serious threat to human health. Taking Beijing as an example, three unfavorable synoptic weather patterns were identified to dominate the compound HW and O3 pollution events. Under the synergistic stress of HWs and O3 pollution, public mortality risk increased, and synoptic patterns and urbanization enhanced the compound risk of events in Beijing by 33.09 % and 18.95 %, respectively.
Dawei Tang, Tianwen Wei, Jinlong Yuan, Haiyun Xia, and Xiankang Dou
Atmos. Meas. Tech., 15, 2819–2838, https://doi.org/10.5194/amt-15-2819-2022, https://doi.org/10.5194/amt-15-2819-2022, 2022
Short summary
Short summary
During 11–20 March 2020, three aerosol transport events were investigated by a lidar system and an online bioaerosol detection system in Hefei, China.
Observation results reveal that the events not only contributed to high particulate matter pollution but also to the transport of external bioaerosols, resulting in changes in the fraction of fluorescent biological aerosol particles.
This detection method improved the time resolution and provided more parameters for aerosol detection.
Pu Jiang, Jinlong Yuan, Kenan Wu, Lu Wang, and Haiyun Xia
Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2021-288, https://doi.org/10.5194/amt-2021-288, 2021
Revised manuscript not accepted
Short summary
Short summary
To analyse the atmospheric turbulence in high resolution, we proposed a new method by combining the advantages of two remote sensing instruments. A contrastive experiment was conducted horizontally to verify the method. Based on the result, we obtained and analyzed the continuous Cn2 and other turbulence profiles with high temporal and spatial resolution simultaneously. It is significant for studying the complex and fast-changing atmospheric environment.
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Short summary
In April 2024, we observed a fluorescent layer using fluorescence lidar at Nanping, South China. By combining multiple sources of information, we found that the long-range transported biomass burning aerosol (BBA) emitted by weak fire activity in the Indo-China Peninsula (ICP) was a major contributor to this layer. Our observations show that even weak fires in the ICP can affect South China, providing new insights into BBA transport in this region.
In April 2024, we observed a fluorescent layer using fluorescence lidar at Nanping, South China....
