Mon, May 19: Overview and Keynote Talks | Chemistry-climate-ecosystems interactions I | Chemistry-climate-ecosystems interactions II | Working group breakouts | Poster Session A
Tue, May 20: Emissions and mitigations | Chemistry | Aerosols | Model tutorials | Poster Sessions B-E
Wed, May 21: Air quality | WG Breakout Reports and Discussion
Monday, May 19
Overview and Keynote talks
- Welcome (Yan Ma, NUIST)
- GEOS-Chem model overview (Daniel Jacob, Harvard )
- Keynote: Emissions and health impacts of polycyclic aromatic hydrocarbons (Shu Tao, SUSTech/Peking U.)
- Keynote: Diurnal variation in air quality in Asia as observed by GEMS (Jhoon Kim, Yonsei University)
- Keynote: Recent progress in atmospheric chemistry research in China (Tong Zhu, Peking U.)
Chemistry-climate-ecosystems interactions I
- Estimating future climate change impacts on human mortality and crop yields via air pollution with GCAP2 (Lee Murray, U. of Rochester)
- Modeling biosphere-atmosphere interactions within GEOS-Chem via ecophysiology module (Amos Tai, The Chinese U. of Hong Kong)
- Integration of atmospheric chemistry and terrestrial biogeochemistry to advance the understanding of global nitrogen cycle (Cheng Gong, Max Planck Institute for Biogeochemistry)
- Current and future PM2.5 trends in India: Influence of emissions, meteorology and climate change (Mi Zhou, Princeton U.)
- Effects of 2010-2045 climate change on ozone levels in China under carbon neutrality scenario: Key meteorological parameters and processes (Ling Kang, NUIST)
- Summertime ozone–temperature sensitivity in China and the United States (Shuai Li, Sun Yat-sen U.)
- Implementation and evaluation of the GEOS-Chem v14.0.1 withi Beijing Climate Centre Earth System Model (BCC-GEOS-Chem v2.0) (Ruize Sun, Peking U.)
- Developing the chemistry module for 27 fluorinated greenhouse gases (F-gases): Reactions, emissions, and implementation in GEOS-Chem (Yali Li, SUSTech)
- Quantifying methane emission baselines and mitigation potential with high-resolution satellite data to support China’s 2023 Action Plan (Huiru Zhong, Peking U.)
Chemistry-climate-ecosystems interactions II
- Keynote: Global nitrogen deposition embodied in international trade (Qiang Zhang, Tsinghua U.)
- Impacts of afforestation on summer surface ozone in China during 2000-2019 (Xu Yue, NUIST)
- Assessing air quality and health benefits of better managing natural and working lands against wildfires in California (Yang Li, Baylor University)
- Anthropogenic and meteorological drivers to surface ozone changes in China (Zhe Jiang, Tianjin U.)
- Effect of temperature-dependent anthropogenic VOC emissions on ozone (Wenlu Wu, SUSTech)
- Role of increased fire emissions in surface ozone (Danyuting Zhang, NUIST)
- Satellite-based monitoring of methane emissions from China’s rice hub (Ruosi Liang, Westlake U.)
GEOS-Chem working group breakouts
- Chemistry-Climate WG (Chair: Lee Murray)
- Inverse Modeling & Data Assimilation WG (Chair: Jun Wang)
- Chemistry WG (Chair: Lu Hu)
- Aerosols WG (Chair: Qi Chen)
- Emissions WG (Chair: Jintai Lin)
- Carbon Cycle WG (Chair: Zichong Chen)
- Surface-Atmosphere Exchange WG (Chair: Amos Tai)
Poster Session A
- A.1 Effects of agricultural ammonia emissions on global air quality under future climate change (Xueyao Chen, The Chinese U. of Hong Kong)
- A.2 Spatial optimization and management of crop-livestock system for sustainability (Biao Luo, The Chinese U. of Hong Kong)
- A.3 Efficient machine learning frameworks predicting China's future air quality trends (Fengwei Wan, Peking U.)
- A.4 Co-benefits between PM2.5 control and carbon reduction revealed by machine learning and GEOS-Chem model (Han Xu, Nankai U.)
- A.5 Shipping emission scenarios in China's Greater Bay Area: GEOS-Chem modeling of carbon-pollutant co-reduction under Dual Carbon policy leverage (Huiran Feng, SUSTech)
- A.6 Aggravated surface O3 pollution primarily driven by meteorological variations in China during the 2020 COVID-19 pandemic lockdown period (Zhendong Lu, U. of Iowa)
- A.7 Uncertainties in tropospheric ozone changes due to natural precursor emissions (Xingpei Ye, Peking U.)
- A.8 High-resolution earth system modeling study on the impact of typhoons on summer ozone in China (Lixuan Wang, Ocean U. of China)
- A.9 Tropospheric ozone responses to the El Niño-Southern Oscillation (ENSO): quantification of individual processes and future projections from multiple chemical models (Jingyu Li, Sun Yat-sen U.)
- A.10 An underappreciated cyclonic-like circulation driving high summer ozone in North China Plain (Wenhao Qiao, NUIST)
- A.11 Synoptic drivers of springtime ozone transport across the Taiwan strait (Xugeng Cheng, Fujian Normal U.)
- A.12 Impact of regional transport on high ozone episodes in southeast coastal regions of China (Chende Ge, Fujian Normal U.)
- A.13 The Impact of super El Niño events on surface ozone in the middle and eastern regions during winter and spring (Liwei Fu, Fujian Normal U.)
- A.14 Reducing global methane from agriculture and waste emissions to mitigate aerosol warming effect towards carbon neutrality (Huibin Dai, Hong Kong Baptist U.)
- A.15 The variation characteristics of O3 and PM2.5 in the Beijing-Tianjin-Hebei and Yangtze River Delta regions of China under extreme high temperatures in summer (Peifu Xie, NUIST)
- A.16 The VOCs-temperature relationship in China quantified by satellite observation and GEOS-Chem model (Wenqing Zhao, NUIST)
- A.17 Impacts of smoke aerosol on air quality in northeast China: A GEOS-Chem modeling study (Yu Shi, Jilin U.)
- A.18 AI-based GEOS-Chem agent model (Dehao Li, NUIST)
- A.19 Enhanced impacts of dust event on photovoltaic potential in China with reduced anthropogenic air pollution (Ke Yin, Sun Yat-sen U.)
- A.20 Sources of coarse particulate matter in China: Insights from explainable machine learning of extreme gradient boosting (XGBoost) (Li Tsz Kit, The Chinese U. of Hong Kong)
- A.21 Declining atmospheric sulfate deposition stimulates future wetland methane emissions (Lu Shen, Peking U.)
- A.22 Climate feedback of forest fires amplified by atmospheric chemistry (Wei Chen, Westlake U.)
- A.23 Atmospheric reactive nitrogen deposition to the global ocean during the 2010s: interannual variation and source attribution (Shaofei Liu, Ocean U. of China)
- A.24 Regional differences and future changes of nitrogen deposition in the northwest pacific ocean (Yizhen Lin, Ocean U. of China)
- A.25 Global atmospheric transport of microplastics: From emission to deposition (Luyu Xiahou, SUSTech)
- A.26 Research on data fusion techniques in a GEOS-Chem-based ground-satellite integrated carbon assimilation system (Baozhang Chen, NUIST)
- A.27 Satellite-based atmospheric inversion of carbon dioxide fluxes at the urban scale (Ying Zhang, Aerospace Information Research Institute, CAS)
- A.28 Carbon flux inversion based on GEOS-Chem model (Yawen Kong, Aerospace Information Research Institute, CAS)
- A.29 A machine learning emulator of GHG sensitivities using CNN (Shaomin Pan, Westlake U.)
- A.30 Global Rice Paddy Inventory (GRPI): A high-resolution inventory of methane emissions from rice agriculture based on Landsat satellite inundation data (Zichong Chen, Hong Kong U. of Science and Technology Guangzhou)
- A.31 Reconciling the bottom-up and top-down estimates of the methane chemical sink using multiple observations (Yuanhong Zhao, Ocean U. of China)
- A.32 Influence of anthropogenic and natural emissions on CH4 lifetime since the Industrial Revolution (Shengmin Lu, Ocean U. of China)
- A.33 Quantify natural gas methane emissions from a city cluster in East China (Yujia Zhao, Zhejiang U.)
- A.34 Quantifying long-term methane emissions and trends in China based on satellite observations (Cheng He, Sun Yat-sen U.)
- A.35 Towards the optimization of TanSat-2: assessment of a Large-Swath methane measurement (Sihong Zhu, IAP/CAS)
Tuesday, May 20
Emissions and mitigations
- Keynote: Towards Health-Oriented Air Pollution Control in China (Shuxiao Wang, Tsinghua U.)
- Keynote: A new perspective to frame the advances of the tropospheric chemistry for air quality management (Keding Lu, Peking U.)
- Towards satellite-based monthly kilometer resolution emission estimates (Jintai Lin, Peking U.)
- Climate action has the potential to ameliorate, perpetuate, or exacerbate geopolitical air pollution inequalities (Daven Henze, University of Colorado, Boulder)
- Provincial economic and air quality-related health impacts of China’s potential partitioned carbon regulation (Mingwei Li, Tsinghua U.)
- Direct and indirect consumption activities drive distinct urban-rural inequalities in air pollution-related mortality in China (Jingxu Wang, Ocean U. of China)
- Tracing sources of city-level PM2.5 exposure in China using GEOS-Chem adjoint model (Yixuan Gu, NUIST)
Chemistry
- Simulation of PyroCB impact on stratospheric chemistry in GEOS-Chem (Jun Wang, U. of Iowa)
- Increased urban ozone in heat waves due to temperature-induced emissions of anthropogenic volatile organic compounds (Jianlin Hu, NUIST)
- Acidity-driven gas-particle partitioning of nitrate through the industrial era (Shohei Hattori, Nanjing U.)
- Tropospheric reactive chlorine chemistry modeling (Qianjie Chen, The Hong Kong Polytechnic U.)
- Modelling of iodic acid and its impact on aerosol mass (Leyang Liu, City U. of Hong Kong)
- Modeling comparison of multiple chemical pathways’ contributions to sulfate formation (Xinyi Dong, Nanjing U.)
- Revisiting the global atmospheric glyoxal budget: updates in secondary production from terrestrial and marine precursors and evaluations against satellite observations (Aoxing Zhang, SUSTech)
- Observing atmospheric composition (CO, NH3, O3, SO2, VOCs) from China's FengYun LEO and GEO satellites (Zhaocheng Zeng, Peking U.)
- Quantify natural gas methane emissions from a city cluster in East China (Yuzhong Zhang, Westlake U.)
Aerosols
- Keynote: Aerosol organic nitrogen: measurements, ambient abundance and sources (Jianzhen Yu, Hong Kong U. of Science and Technology)
- Nitrogen dominates global organic aerosol absorption (Tzung-May Fu, SUSTech)
- Revisiting global organic aerosol budget based on a unified I/SVOC modeling framework (Qi Chen, Peking U.)
- Estimates of IVOCs emission and its contribution to SOA in China (Qiaoqiao Wang, Jinan U.)
- Modeling the Global Impact of Chlorine Chemistry on Secondary Organic Aerosols (Xi Liu, City U. of Hong Kong)
- GEOS-Chem modeling of dust aerosol outbreaks in Northeast China (Gennadii Milinevsky, Jilin U.)
- Using machine learning calibrated GEOS-Chem outputs to estimate global daily fire-sourced air pollution (Rongbin Xu, Chongqing U.)
- Identifying cost-effective emission control pathways to meet air quality targets in key regions of China with adjoint method (Ni Lu, Peking U.)
GEOS-Chem model tutorials
- Running GEOS-Chem with WRF (WRF-GC) (Aoxing Zhang and Ao Ding, SUSTech)
- Working with the high-performance GEOS-Chem (GCHP) (Xingpei Ye, Peking U.)
- Working with the GEOS-Chem adjoint (Daven Henze, CU Boulder)
- Running GC within CESM (Haipeng Lin, NCAR)
Poster Sessions B-E
- B.1 Inversion of high temporal resolution NOx emissions over China (Yi Wang, China U. of Geosciences)
- B.2 Significant inequality shown in Chinese provincial export-related PM2.5 pollution and their contributors (Zhengzhong Liu, Ocean U. of China)
- B.3 Tracing Hg Indian anthropogenic emissions over the Indian region (Malasani Chakradhar Reddy, Indian Institute of Technology Madras)
- B.4 Optimize anthropogenic coarse particulate matter (ACPM) emissions using Bayesian inverse analysis with observations (Yuxin Sun, City U. of Hong Kong)
- B.5 Global anthropogenic continental emissions of atmospheric bromine (Yixuan Chen, City U. of Hong Kong)
- B.6 Unexpected high ammonia emissions from boreal fires in 2021 and 2023 (Qiwen Chen, Ocean U. of China)
- B.7 Impact of two Sentinel 5 NO2 data products on assimilation of anthropogenic NOx emissions (Wenhui Dong, China U. of Geosciences)
- B.8 Black carbon emission inversion over China during the Clean Air Action Plan (Li Fang, NUIST)
- B.9 South Asia anthropogenic ammonia emission inversion through assimilating IASI observations (Ji Xia, NUIST)
- B.10 NMVOCs emission optimization in China through assimilating formaldehyde retrievals from multiple satellite products (Canjie Xu, NUIST)
- C.1 Assessing GEOS-Chem chemical mechanism in fresh biomass burning smoke (Lu Hu, U. of Montana)
- C.2 Tagging-based source attribution of expanded odd oxygen family (Oy) to volatile organic compounds (VOCs): a case study of heavy ozone pollution episode over the East China (Wei Tao, SUSTech)
- C.3 Evaluating key OVOCs in China using GEOS-Chem (14.4.1): model performance, chemical budgets, and implications for ozone simulation (Enyu Xiong, SUSTech)
- C.4 Intercomparison of diurnal HCHO variations from GEMS and GEOS-Chem: Implications on NMVOC emission (Weitao Fu, SUSTech)
- C.5 Impact of key HONO heterogeneous processes on ozone formation in China (Yaqing Zhou, Jinan U.)
- C.6 Physically-based parameterization of the sub-grid variability in biogenic volatile organic compound emissions for resolutionindependent estimates using the MEGAN v2.1 algorithm (Yiheng Chen, SUSTech)
- C.7 Atmospheric source of mercury to the ocean constrained by isotopic model (Zhengcheng Song, Nanjing U.)
- C.8 Impact of anthropogenic chlorine chemistry over Indian region (Ankit Patel, Indian Institute of Technology Madras)
- C.9 Sulfate isotope constrain SO2 oxidation pathways in global model (Yan Yang, The Hong Kong Polytechnic U.)
- C.10 Investigating NOx sources and sinks over the Tibet Plateau with GEMS satellite observations and GEOS-Chem model simulations (Xue Zhang, SUSTech)
- D.1 Warming by water-insoluble dark brown carbon from biomass burning (Xuan Wang, City U. of Hong Kong)
- D.2 Global high-resolution fire-sourced PM2.5 concentrations for 2000–2023 (Chenguang Tian, NUIST)
- D.3 Environmental and climate effects of agricultural reactive nitrogen and methane under carbon neutrality scenarios (Tian Tian, NUIST)
- D.4 Comparative assessment of global fire emission inventories: long-term trends and case studies (Hanyue Zheng, Xi'an Jiaotong-Liverpool U.)
- D.5 Impacts of stubble burning in northwestern India on Delhi's air quality during post-monsoon season (Haoyu Wei, NUIST)
- D.6 GEOS-Chem simulations of hydroxymethanesulfonate aerosols in North China Plain (Shaojie Song, Nankai U.)
- D7. Analysis of new particle formation events: Comparison of particle number concentrations based on GEOS-Chem-APM in North China Plain (Yingying Ku, NUIST)
- D.8 Calculation of triple oxygen isotope tracers in methanosulfonate (MSA) for tracing atmospheric DMS chemistry (Yihang Hong, Nanjing U.)
- D.9 Evaluating simulations of volatility distribution and oxygenation state of organic aerosols in eastern China (Momei Qin, NUIST)
- D.10 Underappreciated contributions of secondary organic aerosol from mobile sources to air quality in China (Ruqian Miao, Peking U.)
- D.11 Global modeling of organic aerosols based on a new full-volatility emission inventory and an updated mechanism in GEOS-Chem (Ruochong Xu, Tsinghua U.)
- D.12 Effects of organic coatings, seed aerosols, and acidity on the generation of isoprene-epoxydiol-derived secondary organic aerosols in Eastern China (Fengyi Chang, NUIST)
- D.13 Fractal geometry of aerosol particles model and its impact on atmospheric optical properties and land surface radiation budget (Zhenxin Liu, NUIST)
- D.14 Simulations and Predictions of Long-Term Trends in Inorganic Aerosol Water Content and Acidity for Winter in the North China Plain (Haoqi Wang, Nankai U.)
- D.15 Freeze-thaw process boosts penguin-derived NH3 emissions and enhances climate-relevant particles formation in Antarctica (Rong Tian, Third Institute of Oceanography)
- E.1 Utilizing GEOS-Chem aerosol prediction for investigating ultrafine particles and supporting air quality management in Thailand (Si Thu Kyaw, Chulalongkorn U.)
- E.2 Simulation of fine particulate matter pollution in the Indo-Gangetic Plain (Siyi Liu, Peking U.)
- E.3 Modelling global levoglucosan concentration with chemical loss and its inisight into biomass burning contribution to OC (Xingyu Nan, SUSTech)
- E.4 Reassessing O3 and PM2.5 concentrations in urban and suburban China with GEOS-Chem model (Ning Yang, Jinan U.)
- E.5 Day and night, outdoor and indoor variations of aerosol properties and air quality in Changchun (Xuanyi Wei, Jilin U.)
- E.6 Opportunities to mitigate PM2.5 and nitrogen deposition through agricultural NH3 control strategies in China’s Beijing-Tianjin-Hebei region (Lu Li, Peking U.)
- E.7 Evolving global oceanic nitrogen deposition under future emission pathways and responses to nitrogen emission reductions (Jialin Deng, Peking U.)
- E.8 Regional transport of peroxyacetyl nitrate (PAN) within Eastern China and its impact on ozone (Tiangang Yuan, The Chinese U. of Hong Kong)
- E.9 Evaluating long term trend atmospheric oxidation capacity in China using GC14.3.1 (Tianci Jiang, SUSTech)
- E.10 Satellite data constraints for emissions inventories (Herizo Narivelo, Université de Toulouse)
- E.11 The role of diurnally varying African biomass burning emissions on tropospheric ozone (Haolin Wang, Hong Kong Baptist U.)
- E.12 Source of tropospheric ozone over Eastern China interpreted by IAGOS, ozonesonde, and GEOS-Chem (Guowen He, Sun Yat-sen U.)
- E.13 Exploring seasonal features and source contributions to future background ozone over China (Mengyun Li, NUIST)
- E.14 A comprehensive review of background ozone: Definitions, estimation methods, and meta-analysis of its spatiotemporal distribution in China (Chujun Chen, Jinan U.)
- E.15 Surface and tropospheric ozone over East Asia and Southeast Asia from observations: distributions, trends, and variability (Ke Li, NUIST)
- E.16 Tropospheric ozone trends over East Asia in 1995-2019 (Xiao Lu, Sun Yat-sen U.)
- E.17 Difference in the sensitivity of ozone formation in different regions of China (Jinglan Lin, Jinan U.)
- E.18 Evaluating the performance of WRF-GC in simulating summertime surface ozone concentrations over China (Jiajia Mo, SUSTech)
- E.19 Strategies towards the development of semi-explicit, synergistic photochemical mechanisms for O3 and SOA formation: the case of aromatics (Wang Xiang, SUSTech)
- E.20 A synchronized estimation of hourly surface concentrations of six criteria air pollutants with GEMS data (Qianqian Yang, Hong Kong Baptist U.)
- E.21 Interpretation of Geostationary Environment Monitoring Spectrometer (GEMS) observations of NO2 and HCHO over the Pear River Delta (PRD) (Xicheng Li, SUSTech)
- E.22 Relating aerosol optical depth (AOD) to surface fine particulate matter (PM2.5) under a fast-changing environment: implication for surface ozone air quality (Zheng Yu, The Chinese U. of Hong Kong)
- E.23 Soil emissions of reactive oxidized nitrogen reduce the effectiveness of anthropogenic source control in China (Yurun Wang, The Hong Kong Polytechnic U.)
- E.24 Biogenic sources and impacts on air quality over the Pearl River Delta: results from in-situ observations and WRF-GC simulation (Yangyang Cao, Sun Yat-sen U.)
- E.25 Turbulent transport and dry deposition of air pollutants over real urban surfaces: a building-resolving large-eddy simulation study (Wai-Chi Cheng, SUSTech)
Wednesday, May 21
Air quality
- Keynote: Atmospheric nitrogen deposition: Historic trend, environmental impact and future challenge (Xuejun Liu, China Agricultural University)
- Impacts of global nitrogen emission reductions on PM2.5 air pollution and nitrogen deposition (Lin Zhang, Peking U.)
- Undesirable effects of urban greening emissions on air quality are counteracted by transpiration and dry deposition (Meng Gao, Hong Kong Baptist University)
- Quantifying vegetation-mediated mercury deposition through coupled stomatal conductance modeling in GEOS-Chem (Long Chen, East China Normal U.)
- A Unified Model of Forecasting Ozone (Zhenze Liu, NUIST)
- Peroxyacetyl nitrate (PAN) over East Asia (Shixian Zhai, The Chinese U. of Hong Kong)
- Wintertime Peroxyacyl Nitrates (PAN) hotspot over the Sichuan Basin observed from Space: Interpretation of Cross-track Infrared Sounder (CrIS) results using GEOS-Chem (Peng Zhang, SUSTech)
- Enhancing Atmospheric Composition Forecasting over continental United States: Assimilating TEMPO data in Regional Air Quality Models with the ETKF method (Chengze Li, U. of Iowa)
WG Breakout Reports and Discussion
- Chemistry-Climate WG
- Inverse Modeling & Data Assimilation WG
- Chemistry WG
- Aerosols WG
- Emissions WG
- Carbon Cycle WG
- Surface-Atmosphere Exchange WG
- Future directions for GEOS-Chem (Daniel Jacob, discussion leader)