Atmospheric and Hydrospheric Sciences (A)
Session Sub-category Atmospheric Sciences, Meteorology & Atmospheric Environment(AS)
Session ID A-AS08
Title Atmospheric Chemistry
Short Title Atmospheric Chemistry
Main Convener Name Shinichi Enami
Affiliation University of Tsukuba
Co-Convener 1 Name Taku Umezawa
Affiliation Tohoku University
Co-Convener 2 Name Kazuyo Yamaji
Affiliation Kobe University
Co-Convener 3 Name Sakiko Ishino
Affiliation Kanazawa University
Co-Convener 4 Name Manabu Shiraiwa
Affiliation University of California Irvine
Co-Convener 5 Name Kazuyuki Miyazaki
Affiliation NASA Jet Propulsion Laboratory
Session Language 
E
Scope 
This session provides a forum for the presentation of the broad spectrum of tropospheric and stratospheric chemistry, including various research topics (e.g., dynamical processes, air quality and climate), approaches (modeling, field measurements, remote sensing, and laboratory studies), and species (gas and aerosol). This session also provides an opportunity for discussing possible future collaboration with other research fields relevant to atmospheric chemistry.
Presentation Format Oral and Poster presentation
Time Presentation No Title Presenter
Oral Presentation May 28 PM2
15:30 - 16:00 AAS08-01 Where Atmospheric Chemistry Meets Ionospheric Physics Tatsuhiro Yokoyama
16:00 - 16:15 AAS08-02 Potential Drivers of HO2 Uptake in Sea Spray Aerosols from the North Pacific Ocean Jiaru Li
16:15 - 16:30 AAS08-03 Ice-nucleating bioaerosols from terrestrial ecosystems observed over the Arctic Ocean and their decreased ice nucleating ability by internal mixing with sea salt Takeshi Kinase
16:30 - 16:45 AAS08-04 Rate and products of ozonolysis reaction of oleic acid with sulfur dioxide Hiroo Hata
16:45 - 17:00 AAS08-05 Atmospheric Aqueous Reactions Controlled by Nanoscale Inhomogeneity Shinichi Enami
Oral Presentation May 29 AM1
9:00 - 9:15 AAS08-06 Estimating Combustion Efficiency Downwind of Tokyo Using Co-located Column and Surface NO2 and CO Measurements Mahendar Chand Rajwar
9:15 - 9:30 AAS08-07 Assessing ammonia over a Portuguese region: a monitoring and modelling approach Alexandra Monteiro
9:30 - 9:45 AAS08-08 Seasonal drivers of CO2 flux variability in northern mid-to-high latitudes beyond ENSO Suman Maity
9:45 - 10:00 AAS08-09 Seasonal and latitudinal variations in the atmospheric Ar/N2 ratio and comparison with atmospheric transport model simulations based on air–sea heat fluxes Shigeyuki Ishidoya
10:00 - 10:15 AAS08-10 Diurnal variation of tropospheric NO2 vertical column density from Geostationary Environment Monitoring Spectrometer (GEMS) version 3.0 over polluted and clean regions Yugo Kanaya
10:15 - 10:30 AAS08-11 Future directions in air quality research: A call for tighter coupling between chemical and meteorological observations. James H Crawford
Oral Presentation May 29 AM2
10:45 - 11:00 AAS08-12 Artificial intelligence for the exploration of traffic enhanced new particle formation events Federica Bortolussi
11:00 - 11:15 AAS08-13 Air mass factor calculation using deep neural network technique for tropospheric NO2 retrieval from space Misato Tanaka
11:15 - 11:30 AAS08-14 High Ozone Concentrations Observed along the Persian Gulf Coast by
Ozone Monitoring Instrument 		Akiko Kagawa
11:30 - 11:45 AAS08-15 Global aerosol composition constraints from simultaneous data assimilation of satellite AOD and trace gas observations Takashi Sekiya
11:45 - 12:00 AAS08-16 A compact light-weight instrument for in situ detection of I2 and NO2 in the marine boundary layer Shogo Saito
12:00 - 12:15 AAS08-17 A Next Generation Mission Concept for Monitoring European Ammonia Emissions Enrico Dammers
Oral Presentation May 29 PM1
13:45 - 14:00 AAS08-18 Source Variations of Carbonaceous Aerosols at Chichijima Island: Insights from Dual Carbon Isotopes (13C, 14C) and Long-term Observations (1990-2021) SHAN LIU
14:00 - 14:15 AAS08-19 Chemical composition and source apportionment for atmospheric particulates collected during Taiwan KPEx and NASA ASIA-AQ Campaigns Wanwaritsara Piyapakdeeputtinart
14:15 - 14:30 AAS08-20 Enhanced Arctic aerosol-cloud interactions driven by intensified biomass burning in 2021 and 2023 Huihui YU
14:30 - 14:45 AAS08-21 Online chemical analysis of marine aerosols over the Northwestern Pacific Ocean using a newly developed particle mass spectrometer Yuya Kobayashi
14:45 - 15:00 AAS08-22 Stratospheric aerosol perturbation in the era of space industry and climate change: Insights from balloon-borne in-situ observations Atsushi Matsuki
15:00 - 15:15 AAS08-23 Recent Findings about Aerosol Hygroscopicity and Relationships with Composition: Analysis of Data from Recent Airborne Campaigns Across Marine Areas of the Northern Hemisphere Armin Sorooshian
Oral Presentation May 29 PM2
15:30 - 15:45 AAS08-24 High-resolution simulations with WRFu-Chem to assess spatial representativeness of ozone monitoring sites JOSE MIGUEL NOYOLA
15:45 - 16:00 AAS08-25 Modeling and Estimation of Urban CO2 Emissions over Japan with NICAM and WRF-GHG Jagat Bisht
16:00 - 16:15 AAS08-26 Reconstructing Stratospheric Sulfate δ34S Using an Isotopic-Enabled Photochemical Model Yuanzhe Li
16:15 - 16:30 AAS08-27 Improving Dry Deposition Modelling with Climate-Specific Stomatal, Phenology, and Cuticular Parameterisations Andre Barreirinha
16:30 - 16:45 AAS08-28 Data-driven modeling of ozone sensitivity and scenario evaluation in Asian megacities Jairo Vazquez Santiago
16:45 - 17:00 AAS08-29 Predicting Phase State of Organic Aerosols in Chemical Transport Modeling Manabu Shiraiwa
Presentation No Title Presenter
Poster Presentation May 29 PM3
AAS08-P01 Optimization of Black Carbon Emissions in Japan through Regional Chemical Transport Modeling and Nationwide Monitoring Kazuyo Yamaji
AAS08-P02 Development of NISMON-CO: inverse analysis system of atmospheric CO for estimating combustion emissions Yosuke Niwa
AAS08-P03 High resolution CO2 simulation around the Takayama forest in central Japan Asaka Hasegawa
AAS08-P04 Variations in atmospheric CH4 concentration since the Industrial Revolution from the SE-Dome II ice core, southeastern Greenland Mai Suzuki
AAS08-P05 Assessing Measurement Consistency of the IMPROVE Elements in PM2.5 Over the Past Three Decades Nicole P Hyslop
AAS08-P06 Validation of Pandora NO2 remote sensing observation Sumire Ishii
AAS08-P07 Temporal variations of some trace species observed with FTIR at Tsukuba Isao Murata
AAS08-P08 Clay-Mineral-Promoted Oxidation of Sulfite in Aqueous Aerosol Systems Ou Langying
AAS08-P09 Size Segregated Characterizations of Iron in Aerosols in the East Asian Outflow in Winter-
Spring Seasons: Source Apportionment and Evolutions of Water-Soluble Fraction 		Takuma Miyakawa
AAS08-P10 Field measurements of methane flux using a portable OA-ICOS instrument in the Minami Kanto gas field Tatsuki Murakami
AAS08-P11 Ozone formation sensitivity based on the secondary formaldehyde-to-nitrogen dioxide ratio (FNRsec) derived from ground-based remote sensing measurements and a chemical transport model Nguyen Doan Thien Chi
AAS08-P12 Quantitative Evaluation of Wet Scavenging of Near Surface Black Carbon in Urban Atmospheres Kamiya Yoshikazu
AAS08-P13 Applicability of ground-based remote sensing as a proxy for identifying new particle formation events in winter 2026 Jiyun Heo
AAS08-P14 Formation Mechanisms of Secondary Inorganic Aerosols in PM2.5 at Yongin, Korea, Downwind of Seoul, during winter 2026 Huijae Seong
AAS08-P15 Optical and Chemical Properties of Brown Carbon in PM2.5 at Yongin, Korea, Downwind of Seoul, during Winter 2026 Minseo Lee
AAS08-P16 Apportionment of primary and secondary carbonaceous aerosols in Seosan, suburban site, Korea in winter of 2026 jiyoung Choi
AAS08-P17 Vertical distribution of volatile organic compounds, NO2, and O3 at the Tall Tower in Incheon, Korea Hajung Kim
AAS08-P18 Influence of ENSO Teleconnection on Surface Ozone Exceedances in Colorado’s Northern Front Range Joshua Richards
AAS08-P19 Monitoring the movement of volcanic ash after the Sakurajima eruption using Himawari satellite and X-band radar images Shinto Yokoyama
AAS08-P20 Integration of Satellite Embeddings and Machine Learning for Enhanced O3 Estimation via Bayesian Maximum Entropy Yi Lun Hung
AAS08-P21 Model analysis of long-range transport of black carbon from India to the Arctic Kohei Ikeda
AAS08-P22 Aerosol cycles in the coastal Antarctic regions Keiichiro Hara
AAS08-P23 Evaluation of cloud coverage estimation within GOSAT-2/TANSO-FTS-2 FOV by the GOSAT-2 onboard RGB camera Masashi Hirose
AAS08-P24 A Comparison of Central Tendency Measures for Estimating Annual Averages of Atmospheric Pollutant Concentrations based on data from Russian EANET sites Ekaterina Zhigacheva
AAS08-P25 Spatiotemporal variations of the atmospheric O2 and CO2 over the Southern Ocean observed onboard R/V Shirase Daisuke Goto
AAS08-P26 Investigation and Interpreting Outlier High Concentrations of Carbon-Containing Aerosols in Atmospheric Air at the EANET Site Listvyanka Veronica Bezdenezhnykh
AAS08-P27 A 3-kg payload IBBCEAS instrument for 4-D mapping of the NO3 Radical Shogo Saito
AAS08-P28 Long-term variation analysis of isoprene column amounts over Rikubetsu Tomoo Nagahama
AAS08-P29 Sensitivities of soil resistances to the modelled tropospheric ozone: validation with the drone vertical profile at the western coast of Japan Syuichi Itahashi
AAS08-P30 Evaluation of black carbon and carbon monoxide over East Asia using E3SM model and long-term observations ANKAN SARKAR
AAS08-P31 Relationship Between Soil Mercury Concentrations and Atmospheric Mercury Derived from Fossil Fuel Combustion at Syowa Station and Lützow-Holm Bay, Antarctica Koyomi Nakazawa
AAS08-P32 Air mass factor calculation for deriving NO2 column amounts from GOSAT-GW/TANSO-3 observation Tomohiro Sato
AAS08-P33 Atmospheric ethane measurements over Asian cities using commercial aircraft: implications for methane emissions Taku Umezawa
AAS08-P34 Evaluation of wet removal efficiency of black carbon over the Yellow Sea from aircraft measurements Hyeongmo Kang
AAS08-P35 Satellite-to-Surface Mapping of Ammonia over South Korea by Merging CrIS and IASI Satellites with In-Situ Validation Chisung Yun
AAS08-P36 Long-term Greenhouse Gas Observations by GOSAT Series Satellites and NIES Products Tazu Saeki
AAS08-P37 Improving nitrate aerosol dynamics in remote regions in the GEOS-Chem model Mitsuki Nakajima
AAS08-P38 Estimation of Anthropogenic CO2 Emissions in the Kanto Metropolitan Region Using LETKF with Wind-Dependent Localization Yutaka Arai
AAS08-P39 Intercomparison of Single Scattering Albedo from In-situ and Column measurements in Anmyeon, South Korea Minho Kim
AAS08-P40 Seasonal Variation in Mass Absorption Efficiency of Black Carbon in Korea Sujung Lee
AAS08-P41 Urban Microscale Air Quality Monitoring Using Low-Cost Sensors and Artificial Intelligence Applied to Atmospheric Time Series JOSE MIGUEL NOYOLA
AAS08-P42 Co-occurring climate and air pollution extremes in China: mechanistic understanding and mitigation Meng Gao
AAS08-P43 Projected changes in natural aerosols and their effects on radiation and clouds Wakamatsu Aya
AAS08-P44 The Recent Increase in Spring Vegetation in Korea, Increased Risk of Drought, and Potential Impact on Air Quality sanghyuk park
AAS08-P45 SO2 advection height from Forest Fires Using Satellite Imagery Nanami Ohshima
AAS08-P46 Estimation of fog formation and aerosol concentrations by analyzing camera images taken from Mt. Unzen Nanami Sumiyoshi
AAS08-P47 Factors controlling the variability in Δ17O values of hydrogen peroxide in precipitatio Rintaro Hamamoto
AAS08-P48 Application of FTIR imaging for quantitative visualization of sulfate and nitrate in PM2.5 collected in Asian cities Osamu Nagafuchi
AAS08-P49 Mechanisms of Secondary Organic Aerosol Formation Driven by Enhanced Emissions of Biogenic VOCs during a Typhoon Nikita Komuta
AAS08-P50 Ozonolysis Mechanism of BVOC at the Air/Water Interface Kei Kurokawa
AAS08-P51 Light-absorbing properties of secondary organic aerosol generated during the photooxidation of m-xylene in the presence and absence of NOx under different aging conditions Farha Asuvarkutty
AAS08-P52 Fenton oxidation of uric acid in the aqueous phase: Relevance to the oxidation process of the lung epithelial lining fluid Satomi Kinugasa
AAS08-P53 Photo-induced OH Radical Formation in the Aqueous Phase of Limonene-Derived SOA Kota Mizuno
AAS08-P54 Surface propensities of atmospherically relevant organic and inorganic ions investigated by spray ionization mass spectrometry Kento Kosugi
AAS08-P55 Analysis of HO2 uptake coefficients onto liquid-liquid phase separated (LLPS) aerosols based on a resistor model Yosuke Sakamoto
AAS08-P56 Characterization of organic aerosols at urban sites in Japan: Results from offline aerosol mass spectrometry, FTIR spectroscopy, molecular-level analyses, and model simulation Michihiro Mochida
AAS08-P57 Chamber study on the influence of aerosol particles on ozone production sensitivity Kei Sato