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ACOM Publication Highlights
Each month, we highlight a recent publication by an ACOM author. Submit a publication for deposit in OpenSky (requires login).
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ACOM OpenSky Publications
There are 4569 publications affiliated with ACOM.
Select a year, sub-unit, genre, and/or author name to view peer-reviewed publications involving authors from ACOM. You can browse the full list of publications and search for specific ones in OpenSky, the open-access repository of scholarly works developed and managed by NSF NCAR Library.
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MacLeod, K. G., Huber, B. T., Tabor, C., Mitra, S., Wheatley, R., et al. (2025). Isotopic evidence from a Brazos River (Texas, USA) Cretaceous/Paleogene boundary section consistent with a pulse of greenhouse warming shortly after the Chicxulub impact. Global and Planetary Change, doi:https://doi.org/10.1016/j.gloplacha.2025.104924 Stable isotopic analyses of individual specimens of the benthic foraminifera Lenticulina show an ∼1 ‰ decrease in δ18O values beginning 170 cm above the K/Pg boundary at the Brazos River ‘River Bank South’ Cretaceous/Paleogene (K/Pg) outcro... ACOM Affiliations: ACOMVISITORS Publication Genre: Article View on OpenSky |
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Agada, J. H., Da-Allada, C. Y., Bocco-Koube, M., Baloïtcha, E., Ayissi, F. F. B. K., et al. (2025). Potential impact of stratospheric aerosol geoengineering on sea surface salinity in the eastern tropical Atlantic Ocean. Environmental Research: Climate, doi:https://doi.org/10.1088/2752-5295/adf251 Stratospheric aerosol geoengineering (SAG), which is based on the injection of sulfur dioxide into the stratosphere, is one of the methods proposed to mitigate the effects of global warming. In this study, we investigate the potential impac... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Atmospheric evolution of brown carbon from wildfires in North America Chen, J., Puttu, U., Huynh, H. N., Ahern, A. T., Ball, K., et al. (2025). Atmospheric evolution of brown carbon from wildfires in North America. Environmental Science & Technology, doi:https://doi.org/10.1021/acs.est.5c09020 Atmospheric brown carbon (BrC) from wildfires is a key component of light-absorbing carbon that significantly contributes to global radiative forcing, but its atmospheric evolution and lifetime remain poorly understood. In this study, we in... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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WU, X., Zhu, Y., Smith, A. K., Kaufmann, M., Xu, J.. (2025). Nighttime atomic hydrogen abundance retrieved from SCIAMACHY hydroxyl airglow measurements in the mesopause region. Geophysical Research Letters, doi:https://doi.org/10.1029/2025GL116311 Atomic hydrogen (H) is crucial for understanding photochemistry and the energy budget in the mesopause region. However, there is still no consensus on the H abundance in this region. This study presents a new hydrogen data set derived from... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Recent warming of the southern Hemisphere subtropical lower stratosphere and Antarctic ozone healing Sweeney, A., Fu, Q., Solomon, S., Po‐Chedley, S., Randel, W., et al. (2025). Recent warming of the southern Hemisphere subtropical lower stratosphere and Antarctic ozone healing. AGU Advances, doi:https://doi.org/10.1029/2025AV001737 Observed temperature changes from 2002 to 2022 reveal a pronounced warming of the Southern Hemisphere (SH) subtropical lower stratosphere, and a cooling of the Antarctic lower stratosphere. In contrast, model simulations of 21st‐century str... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Robinson, M., Franchin, A., Cho, C., Gabbard, S. G., Owen, C.. (2025). GOTHAAM Campaign: Preparation, Testing, and Evaluation of NCAR's Atmospheric Odd Nitrogen 4 Channel Chemiluminescence Instrument for Measuring NOx, NOy, and O3 in the New York Metropolitan Area. , doi:https://doi.org/10.5065/qvbx-k903 Nitrogen oxides (NOx=NO + NO2), reactive nitrogen species (NOy= NO+ NO2+ HNO3+N2O5+ ClONO2+PAN+...), and ozone (O3) are key atmospheric pollutants that play a central role in boundary layer chemistry. They drive processes such as ozone prod... ACOM Affiliations: ESS Publication Genre: Manuscript View on OpenSky |
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Cyga, M. V., Buchholz, R.. (2025). Evaluating Community Earth System Model (CESM) Tropospheric Ozone Output with Measurements from the Ozone Monitoring Instrument/Microwave Limb Sounder (OMI/MLS). , doi:https://doi.org/10.5065/g1bz-eb94 Troposheric ozone is a harmful greenhouse gas for human and ecosystem health, so accurately depicting its concentration using models is an important step in understanding global ozone patterns and trends. In this project, we question if an ... ACOM Affiliations: ACRESP Publication Genre: Manuscript View on OpenSky |
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Energy‐balance decomposition of the aerosol‐induced changes on surface temperature over South Asia Akhila, R. S., Nair, V. S., Basheer, A. I., Parottil, A. J., Babu, S. S.. (2025). Energy‐balance decomposition of the aerosol‐induced changes on surface temperature over South Asia. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD043123 Aerosol‐radiation interactions decrease the solar radiation reaching the surface, which cools the surface and influences land‐atmosphere interactions and affects the regional climate through various pathways. To estimate the change in radia... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Ueyama, R., Smith, W. P., Brown, M., Jensen, E. J., Ziemba, L., et al. (2025). On the fate of aerosols produced by new particle formation in the upper troposphere and lower stratosphere. Geophysical Research Letters, doi:https://doi.org/10.1029/2025GL116860 New particle formation (NPF) in the upper troposphere and lower stratosphere (UTLS) has been suggested to contribute to cloud condensation nuclei in the troposphere, as well as for maintaining the stratospheric aerosol layer over the Asian ... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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An unusual winter ozone event in Colorado Langford, A. O., Aikin, K. C., Alvarez, R. J., Baidar, S., Brewer, W. A., et al. (2025). An unusual winter ozone event in Colorado. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2025JD043695 Surface ozone (O 3 ) mixing ratios exceeding the National Ambient Air Quality Standard were measured at rural monitors along the Colorado Front Range on 17 April 2020 during the COVID‐19 lockdown. This unusual episode followed back‐to‐back... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Potential impact of Stratospheric Aerosol Injection on horticultural crop suitability in Africa Egbebiyi, T. S., Lennard, C., Quagraine, K. A., Odoulami, R. C., Abiodun, B. J., et al. (2025). Potential impact of Stratospheric Aerosol Injection on horticultural crop suitability in Africa. The Geographical Journal, doi:https://doi.org/10.1111/geoj.70039 Global warming will be devastating for agriculture in Africa, impacting food security throughout the continent. Stratospheric Aerosol Injection (SAI), which involves the injection of sulphur into the stratosphere to reduce incoming solar ra... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Probing the fate of highly oxygenated molecules in atmospheric aerosols Hao, P., Ye, Q., Moo, Z., DeMarsh, K., Wang, Y., et al. (2025). Probing the fate of highly oxygenated molecules in atmospheric aerosols. Environmental Science & Technology, doi:https://doi.org/10.1021/acs.est.4c07748 This study presents a comprehensive data set tracking the trajectory of highly oxidized molecules (HOMs) produced from the ozonolysis of monoterpenes across the gas to particle conversion process. A particular focus was to examine the ultim... ACOM Affiliations: ESS, ACOMVISITORS Publication Genre: Article View on OpenSky |
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Two-years of stratospheric chemistry perturbations from the 2019–2020 Australian wildfire smoke Stone, K., Solomon, S., Yu, P., Murphy, D. M., Kinnison, D. E., et al. (2025). Two-years of stratospheric chemistry perturbations from the 2019–2020 Australian wildfire smoke. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-7683-2025 The very large pyrocumulonimbus events that occurred during the Australian summer of 2019–2020 caused extremely unusual partitioning of stratospheric chlorine in the Southern Hemisphere midlatitude and Antarctic regions not only in 2020 but... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Malderen, R. V., Thompson, A. M., Kollonige, D. E., Stauffer, R. M., Smit, H. G. J., et al. (2025). Global ground-based tropospheric ozone measurements: Reference data and individual site trends (2000–2022) from the TOAR-II/HEGIFTOM project. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-7187-2025 Tropospheric ozone trends from models and satellites are found to diverge. Ground-based (GB) observations are used to reference models and satellites, but GB data themselves might display station biases and discontinuities. Reprocessing wit... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Ju, J., Mo, A., Park, K., Zhang, M., Yan, J., et al. (2025). Influence of oceanic emission and gas transfer velocity on atmospheric dimethyl sulfide distribution over the Southern Ocean. Marine Pollution Bulletin, doi:https://doi.org/10.1016/j.marpolbul.2025.118033 Oceanic dimethyl sulfide (DMS) is a major source of atmospheric sulfur, particularly significant in the Antarctic region. This study conducted nine sensitivity simulations using the Community Earth System Model version 2, combining three se... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Bak, J., Kim, J., Koo, J., Pan, L. L., Ryoo, J., et al. (2025). An integrated analysis of ozone and carbon monoxide over the western Pacific using satellite and aircraft measurements during the ACCLIP summer campaign 2022. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD042771 The western Pacific exhibited a complex interplay of monsoonal dynamics and transport during the Asian Summer Monsoon Chemical & Climate Impact Project (ACCLIP) airborne field campaign in summer 2022. We analyze in situ observations of ozo... ACOM Affiliations: ACRESP, ESS Publication Genre: Article View on OpenSky |
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Kim, C., Kim, J., Park, J., Koo, J., Kwak, K., et al. (2025). Springtime UTLS ozone variability in East Asia: Insights from 16 years of IASI observations (2008–2023). Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD043183 We investigated the springtime variability of ozone in the upper troposphere and lower stratosphere (UTLS) over East Asia using data from the Infrared Atmospheric Sounding Interferometer (IASI) onboard the Metop satellite series (Metop‐A, M... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Koshin, D., Pedatella, N. M., Smith, A. K.. (2025). Seasonal and interannual variation of the interhemispheric coupling during the austral winter in WACCM6. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD043265 We investigate interhemispheric coupling (IHC) during the austral winter by examining global characteristics of the dynamical fields initiated by stratospheric warming in the Southern Hemisphere using output of the Whole Atmosphere Communit... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Rezaei, A., Moore, J., Tilmes, S., Karami, K.. (2025). Regional and seasonal hydrological changes with and without stratospheric aerosol intervention under high greenhouse gas climates. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2025JD044163 Stratospheric aerosol intervention (SAI) is being explored for its potential to reduce greenhouse gas (GHG) induced climate damages. We assess the effectiveness of two SAI experiments, G6Sulfur and Geo SSP5‐8.5 1.5 (here called Geo‐SAI), us... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Stratospheric Aerosol Intervention experiment for the Chemistry–Climate Model Initiative Tilmes, S., Bednarz, E. M., Jörimann, A., Visioni, D., Kinnison, D. E., et al. (2025). Stratospheric Aerosol Intervention experiment for the Chemistry–Climate Model Initiative. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-6001-2025 A new Stratospheric Aerosol Intervention (SAI) experiment has been designed for the Chemistry–Climate Model Initiative (CCMI-2022) to assess the impacts of SAI on stratospheric chemistry and dynamical responses and inter-model differences u... ACOM Affiliations: MODELING, ACOMVISITORS Publication Genre: Article View on OpenSky |
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Ortega, I., Hannigan, J. W., Baier, B. C., McKain, K., Smale, D.. (2025). Advancing CH4 and N2O retrieval strategies for NDACC/IRWG FTIR observations with the support of airborne in situ measurements. Atmospheric Measurement Techniques, doi:https://doi.org/10.5194/amt-18-2353-2025 Atmospheric methane (CH4) and nitrous oxide (N2O) are potent greenhouse gases with significant impacts on climate change. Accurate measurement of their atmospheric abundance is essential for understanding their sources, sinks, and the impac... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Adapting agriculture to climate catastrophes: the nuclear winter case Shi, Y., Montes, F., Gioia, F. D., Xia, L., Bardeen, C., et al. (2025). Adapting agriculture to climate catastrophes: the nuclear winter case. Environmental Research Letters, doi:https://doi.org/10.1088/1748-9326/adcfb5 Following a nuclear war, destruction would extend well beyond the blast zones due to the onset of a nuclear winter that can devastate the biosphere, including agriculture. Understanding the damage magnitude and preparing for the folly of i... ACOM Affiliations: ACOMVISITORS Publication Genre: Article View on OpenSky |
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Key gaps in models' physical representation of climate intervention and its impacts Eastham, S. D., Butler, A. H., Doherty, S. J., Gasparini, B., Tilmes, S., et al. (2025). Key gaps in models' physical representation of climate intervention and its impacts. Journal of Advances in Modeling Earth Systems, doi:https://doi.org/10.1029/2024MS004872 Solar radiation modification (SRM) is increasingly discussed as a potential method to ameliorate some negative effects of climate change. However, unquantified uncertainties in physical and environmental impacts of SRM impede informed debat... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Xu, Y., Willis, S., Dallmann, A., Cai, H., Hu, L., et al. (2025). Urban Climate Adaptation and REsilience (U-CARE) in Texas: Insights from interdisciplinary perspectives. Applied Spatial Analysis and Policy, doi:https://doi.org/10.1007/s12061-025-09655-5 The IPCC’s Special Report on Climate Change and Cities shows how cities must adapt to climate risks. Urban planners need to create solutions that fit each city’s needs, enhancing urban adaptability and resilience in the context of increasin... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Gurganus, C., Rollins, A., Waxman, E., Pan, L. L., Smith, W. P., et al. (2025). Highlighting the impact of anthropogenic OCS emissions on the stratospheric sulfur budget with in situ observations. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD042588 Carbonyl sulfide (OCS) is an important atmospheric sulfur species that plays a dominant role in the formation of (nonvolcanic) stratospheric sulfate aerosol in the middle stratosphere. Major uncertainties in surface sources and sinks and in... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Benito‐Barca, S., Abalos, M., Calvo, N., Garny, H., Birner, T., et al. (2025). Recent lower stratospheric ozone trends in CCMI‐2022 models: Role of natural variability and transport. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD042412 Lower stratospheric ozone between 60°S and 60°N has continued to decline since 1998, despite the reduction of ozone‐depleting substances following the Montreal Protocol. Previous studies have shown that, while chemistry‐climate models repro... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Kumar, R., Bhardwaj, P., He, C., Boehnert, J. M. R., Lacey, F., et al. (2025). A long-term high-resolution air quality reanalysis with a public-facing air quality dashboard over the Contiguous United States (CONUS). Earth System Science Data, doi:https://doi.org/10.5194/essd-17-1807-2025 We present a 14-year, 12 km, hourly air quality dataset (https://doi.org/10.5065/cfya-4g50, Kumar and He, 2023) created by assimilating satellite observations of aerosol optical depth (AOD) and carbon monoxide (CO) in an air quality model t... ACOM Affiliations: MODELING, ACRESP, ACOMAO Publication Genre: Article View on OpenSky |
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Blaskey, D., Cheng, Y., Newman, A. J., Koch, J. C., Gooseff, M. N., et al. (2025). Alaskan hydrology in transition: Changing precipitation and evapotranspiration patterns are projected to reshape seasonal streamflow and water temperature by midcentury (2035–64). Journal of Hydrometeorology, doi:https://doi.org/10.1175/JHM-D-24-0121.1 High spatial and temporal resolution models are essential for understanding future climate impacts and developing effective climate resilience plans. However, existing regional and global river models often lack the resolution needed to ac... ACOM Affiliations: ACOMAO Publication Genre: Article View on OpenSky |
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Warming stripes spark climate conversations: From the ocean to the stratosphere Hawkins, E., Williams, R. G., Young, P. J., Berardelli, J., Burgess, S. N., et al. (2025). Warming stripes spark climate conversations: From the ocean to the stratosphere. Bulletin of the American Meteorological Society, doi:https://doi.org/10.1175/BAMS-D-24-0212.1 The “warming stripes” are an iconic climate data visualization, adopted globally as a symbol of our warming world. We discuss their origin and uses for communication, including understanding long-term changes in the climate and consequences... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Initial study of column-integrated aerosol optical properties over Birkat al Mouz, Sultanate of Oman Dayanandan, B., Krishna, N., Parottil, A. J., Velu, V., Harrasi, A. A., et al. (2025). Initial study of column-integrated aerosol optical properties over Birkat al Mouz, Sultanate of Oman. Aerosol and Air Quality Research, doi:https://doi.org/10.1007/s44408-025-00014-0 Purpose This study aims to provide the first analysis of aerosol optical properties, radiative forcing, and source identification over Birkat al Mouz, Oman, using Aerosol Robotic Network (AERONET) data from December 2022 to November 2024. M... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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DiMaria, C. A., Jones, D. B. A., Ferracci, V., Bloom, A. A., Worden, H. M., et al. (2025). Optimizing the temperature sensitivity of the isoprene emission model MEGAN in different ecosystems using a Metropolis‐Hastings Markov Chain Monte Carlo method. Journal of Geophysical Research: Biogeosciences, doi:https://doi.org/10.1029/2025JG008806 Isoprene is a reactive hydrocarbon emitted to the atmosphere in large quantities by terrestrial vegetation. Annual total isoprene emissions exceed 300 Tg a −1 , but emission rates vary widely among plant species and are sensitive to meteor... ACOM Affiliations: ACOMAO Publication Genre: Article View on OpenSky |
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He, T., Oomen, G., Tang, W., Bouarar, I., Chance, K., et al. (2025). Challenges and opportunities offered by geostationary space observations for air quality research and emission monitoring. Bulletin of the American Meteorological Society, doi:https://doi.org/10.1175/BAMS-D-23-0145.1 Space-borne remote sensing of atmospheric chemical constituents is crucial for monitoring and better understanding global and regional air quality. Since the 1990s, the continuous development of instruments onboard low-Earth orbiting (LEO) ... ACOM Affiliations: ACRESP, MODELING Publication Genre: Article View on OpenSky |
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Summertime carbonaceous aerosol in interior versus coastal Northern Alaska Welch, A. M., Matthews, T., Sheesley, R. J., Wang, H., Barsanti, K., et al. (2025). Summertime carbonaceous aerosol in interior versus coastal Northern Alaska. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD042080 Rapid warming is likely increasing primary production and wildfire occurrence in the Arctic. Projected changes in carbonaceous aerosols during the summer will impact atmospheric chemistry and climate, but our understanding of these processe... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Smith, W. P., Pan, L. L., Ueyama, R., Honomichl, S. B., Campos, T., et al. (2025). Transport by Asian summer monsoon convection to the upper troposphere and lower stratosphere during ACCLIP (2022). Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD042732 The Asian Summer Monsoon (ASM) has garnered attention in recent years for its impacts on the composition of the upper troposphere and lower stratosphere (UTLS) via deep convection. A recent observational effort into this mechanism, the Asia... ACOM Affiliations: ACRESP, ESS Publication Genre: Article View on OpenSky |
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Zhang, J., Kinnison, D. E., Emmons, L. K., Honomichl, S. B., Smith, W. P., et al. (2025). Sources and regional attributions to upper troposphere nitrogen oxides during the Asian Summer Monsoon 2022. Geophysical Research Letters, doi:https://doi.org/10.1029/2024GL114265 This study investigates the sources and regional attributions of nitrogen oxides (NO x ) in the upper troposphere|upper tropospheric (UT) during the Asian Summer Monsoon (ASM). The importance of South Asia (SA) and East Asia (EA) contributi... ACOM Affiliations: MODELING, ACRESP, ESS Publication Genre: Article View on OpenSky |
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Historical trends and controlling factors of isoprene emissions in CMIP6 Earth system models Do, N. T. N., Sudo, K., Ito, A., Emmons, L. K., Naik, V., et al. (2025). Historical trends and controlling factors of isoprene emissions in CMIP6 Earth system models. Geoscientific Model Development, doi:https://doi.org/10.5194/gmd-18-2079-2025 Terrestrial isoprene, a biogenic volatile organic compound emitted by many plants, indirectly influences Earth's radiative balance through its interactions with atmospheric oxidants, affecting ozone formation, methane lifetime, and secondar... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Yook, S., Solomon, S., Weimer, M., Kinnison, D. E., García, R. R., et al. (2025). Implementation of sub‐grid scale temperature perturbations induced by non‐orographic gravity waves in WACCM6. Journal of Advances in Modeling Earth Systems, doi:https://doi.org/10.1029/2024MS004625 Atmospheric gravity waves can play a significant role on atmospheric chemistry through temperature fluctuations. A recent modeling study introduced a method to implement subgrid‐scale orographic gravity‐wave‐induced temperature perturbation... ACOM Affiliations: MODELING, ACRESP Publication Genre: Article View on OpenSky |
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A review of measurements and model simulations of atmospheric nitrous acid Wang, L., Chai, J., Gaubert, B., Huang, Y.. (2025). A review of measurements and model simulations of atmospheric nitrous acid. Atmospheric Environment, doi:https://doi.org/10.1016/j.atmosenv.2025.121094 Ambient nitrous acid (HONO) plays a crucial role in the atmosphere's oxidative capacity, significantly impacting air quality and climate. This study reviews the current understanding of HONO formation mechanisms, including in-situ and verti... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Corcos, M., Bramberger, M., Alexander, M. J., Hertzog, A., Liu, C., et al. (2025). Observation of gravity waves generated by convection and the “moving mountain” mechanism during stratéole‐2 campaigns and their impact on the QBO. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD041804 Convective gravity waves are important for the forcing of the quasi biennial oscillation (QBO). There is a wave component that is stationary with respect to the convective cells that is triggered by convection acting like a barrier to the b... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Makar, P., Cheung, P., Hogrefe, C., Akingunola, A., Alyuz, U., et al. (2025). Critical load exceedances for North America and Europe using an ensemble of models and an investigation of causes of environmental impact estimate variability: an AQMEII4 study. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-3049-2025 Exceedances of critical loads for deposition of sulfur (S) and nitrogen (N) in different ecosystems were estimated using European and North American ensembles of air quality models, under the Air Quality Model Evaluation International Initi... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Tang, W., Emmons, L. K., Wiedinmyer, C., Partha, D. B., Huang, Y., et al. (2025). Disproportionately large impacts of wildland-urban interface fire emissions on global air quality and human health. Science Advances, doi:https://doi.org/10.1126/sciadv.adr2616 Fires in the wildland-urban interface (WUI) are a global issue with growing importance. However, the impact of WUI fires on air quality and health is less understood compared to that of fires in wildland. We analyze WUI fire impacts on air ... ACOM Affiliations: ACRESP, ESS, MODELING, ACOMAO Publication Genre: Article View on OpenSky |
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Prather, K., Barsanti, K.. (2025). Is the air we breathe safe?. Science, doi:https://doi.org/10.1126/science.adx1128 Is the air we breathe safe? This seemingly straightforward question is often unanswerable because regulations, monitoring approaches, and reporting structures cannot keep up with the rapid human-induced shifts to the planet and atmosphere. ... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Climate response to Stratospheric Aerosol Injection during the Harmattan season in West Africa Nkrumah, F., Quenum, G. M. L. D., Quagraine, K. A., Tilmes, S., Klutse, N. A. B., et al. (2025). Climate response to Stratospheric Aerosol Injection during the Harmattan season in West Africa. Environmental Research: Climate, doi:https://doi.org/10.1088/2752-5295/adaa0c Stratospheric Aerosol Injection (SAI), a proposed climate intervention, aims to reduce the amount of solar radiation reaching the Earth’s surface by increasing the reflectivity of the atmosphere, thereby offsetting the warming effect of gre... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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The imminent data desert: The future of stratospheric monitoring in a rapidly changing world Salawitch, R. J., Smith, J. B., Selkirk, H., Wargan, K., Chipperfield, M. P., et al. (2025). The imminent data desert: The future of stratospheric monitoring in a rapidly changing world. Bulletin of the American Meteorological Society, doi:https://doi.org/10.1175/BAMS-D-23-0281.1 The Atmospheric Chemistry Experiment–Fourier Transform Spectrometer (ACE-FTS) on SCISAT-1 and Microwave Limb Sounder (MLS) on NASA’s Aura satellite have contributed significantly to understanding the impacts of human activities on the strat... ACOM Affiliations: ACOMAO Publication Genre: Article View on OpenSky |
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Fingerprinting the recovery of Antarctic ozone Wang, P., Solomon, S., Santer, B. D., Kinnison, D. E., Fu, Q., et al. (2025). Fingerprinting the recovery of Antarctic ozone. Nature, doi:https://doi.org/10.1038/s41586-025-08640-9 The Antarctic ozone ‘hole’ was discovered in 1985 (ref. 1) and man-made ozone-depleting substances (ODSs) are its primary cause. Following reductions of ODSs under the Montreal Protocol, signs of ozone recovery have been reported, based lar... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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On the timescales of the response of the Brewer‐Dobson Circulation to an abrupt quadrupling of CO2 Calvo, N., García, R. R., Chiodo, G., Marsh, D., Polvani, L. M.. (2025). On the timescales of the response of the Brewer‐Dobson Circulation to an abrupt quadrupling of CO2. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD041780 Changes in the Brewer‐Dobson circulation (BDC) in response to increasing CO 2 concentrations can arise from the direct effect of radiative cooling in the stratosphere or the indirect effects induced by warmer sea surface temperatures (SSTs)... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Global atmospheric distribution of microplastics with evidence of low oceanic emissions Yang, S., Brasseur, G., Walters, S., Lichtig, P., Li, C. W. Y.. (2025). Global atmospheric distribution of microplastics with evidence of low oceanic emissions. npj Climate and Atmospheric Science, doi:https://doi.org/10.1038/s41612-025-00914-3 Recent investigations based on sea–air transfer physical mechanistic studies suggest that the global ocean’s contribution to atmospheric microplastic emissions is significantly lower (four orders of magnitude) than previously estimated. How... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Sekiya, T., Emili, E., Miyazaki, K., Inness, A., Qu, Z., et al. (2025). Assessing the relative impacts of satellite ozone and its precursor observations to improve global tropospheric ozone analysis using multiple chemical reanalysis systems. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-2243-2025 Chemical reanalysis products have been produced by integrating various satellite observational data to provide comprehensive information on atmospheric composition. Five global chemical reanalysis datasets were used to evaluate the relative... ACOM Affiliations: ACOMAO Publication Genre: Article View on OpenSky |
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Black carbon reflects extremely efficient aerosol wet removal in monsoonal convective transport Berberich, J., Jacoby, S. A., Michailoudi, G., Schwarz, J. P., Viciani, S., et al. (2025). Black carbon reflects extremely efficient aerosol wet removal in monsoonal convective transport. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD042692 Refractory black carbon (rBC) is a primary aerosol species, produced through incomplete combustion, that absorbs sunlight and contributes to positive radiative forcing. The overall climate effect of rBC depends on its spatial distribution a... ACOM Affiliations: ESS, ACRESP Publication Genre: Article View on OpenSky |
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Modeling actinic flux and photolysis frequencies in dense biomass burning plumes Tirpitz, J., Colosimo, S. F., Brockway, N., Spurr, R., Christi, M., et al. (2025). Modeling actinic flux and photolysis frequencies in dense biomass burning plumes. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-1989-2025 Biomass burning (BB) affects air quality and climate by releasing large quantities of gaseous and particulate pollutants into the atmosphere. Photochemical processing during daylight transforms these emissions, influencing their overall env... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Chen, Y., A, R. J. v. d., Ding, J., Eskes, H., Williams, J., et al. (2025). SO2 emissions derived from TROPOMI observations over India using a flux-divergence method with variable lifetimes. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-1851-2025 The rapid development of the economy and the implementation of environmental policies adapted in India have led to fast changes of regional SO2 emissions. We present a monthly SO2 emission inventory for India covering December 2018 to Novem... ACOM Affiliations: ACOMAO Publication Genre: Article View on OpenSky |
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Wells, K. C., Millet, D. B., Brewer, J. F., Payne, V. H., Cady-Pereira, K. E., et al. (2025). Global decadal measurements of methanol, ethene, ethyne, and HCN from the Cross-track Infrared Sounder. Atmospheric Measurement Techniques, doi:https://doi.org/10.5194/amt-18-695-2025 Volatile organic compounds (VOCs) play an important role in modulating the atmosphere's oxidizing capacity and affect tropospheric ozone, carbon monoxide, formaldehyde, and organic aerosol formation. Space-based observations can provide pow... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Haywood, J. M., Boucher, O., Lennard, C., Storelvmo, T., Tilmes, S., et al. (2025). World Climate Research Programme lighthouse activity: An assessment of major research gaps in solar radiation modification research. Frontiers in Climate, doi:https://doi.org/10.3389/fclim.2025.1507479 It is increasingly evident that maintaining global warming at levels below those agreed in the legally binding international treaty on climate change. i.e., the Paris Agreement, is going to be extremely challenging using conventional mitiga... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Significant impact of a daytime halogen oxidant on coastal air quality Dai, J., Wang, T., Shen, H., Xia, M., Sun, W., et al. (2025). Significant impact of a daytime halogen oxidant on coastal air quality. Environmental Science & Technology, doi:https://doi.org/10.1021/acs.est.4c08360 Chlorine radicals (Cl·) are highly reactive and affect the fate of air pollutants. Several field studies in China have revealed elevated levels of daytime molecular chlorine (Cl2), which, upon photolysis, release substantial amounts of Cl· ... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Hilario, M. R. A., Barth, M., Bennett, R., Crosbie, E., DiGangi, J. P., et al. (2025). Quantifying scavenging efficiencies of different aerosol species and size-resolved volume concentrations in tropical convective clouds over the West Pacific. Journal of the Atmospheric Sciences, doi:https://doi.org/10.1175/JAS-D-24-0064.1 In-cloud aerosol scavenging remains a large source of model uncertainty, affecting capabilities to capture the aerosol lifetime and impacts on air quality and climate. While past work quantified aerosol scavenging efficiencies (SEs) in midl... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Liang, Q., Newman, P. A., Fleming, E. L., Lait, L. R., Atlas, E., et al. (2025). Asian summer monsoon anticyclone-the primary entryway for chlorinated very‐short‐lived substances to the stratosphere. Geophysical Research Letters, doi:https://doi.org/10.1029/2024GL110248 Rapid growing emissions of dichloromethane (CH 2 Cl 2 ), a chlorinated very‐short‐lived substance (Cl‐VSLS) and an ozone depleting substance (ODS), has raised concerns as this increase offset a part of the stratospheric chlorine (Cl) reduct... ACOM Affiliations: ACRESP, MODELING, ESS Publication Genre: Article View on OpenSky |
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Aura Ozone Monitoring Instrument (OMI) Collection 4 formaldehyde products Ayazpour, Z., Abad, G. G., Nowlan, C. R., Sun, K., Kwon, H., et al. (2025). Aura Ozone Monitoring Instrument (OMI) Collection 4 formaldehyde products. Earth and Space Science, doi:https://doi.org/10.1029/2024EA003792 This study presents the ozone monitoring instrument (OMI) Collection 4 formaldehyde (HCHO) retrieval developed with the Smithsonian Astrophysical Observatory's (SAO) Making Earth System Data Records for Use in Research Environments (MEaSURE... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Carter, W. P. L., Jiang, J., Orlando, J. J., Barsanti, K.. (2025). Derivation of atmospheric reaction mechanisms for volatile organic compounds by the SAPRC mechanism generation system (MechGen). Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-199-2025 This paper describes the methods that are used in the SAPRC mechanism generation system, MechGen, to estimate rate constants and derive mechanisms for gas-phase reactions of volatile organic compounds (VOCs) in the lower atmosphere. Version... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Widespread trace bromine and iodine in remote tropospheric non-sea-salt aerosols Schill, G. P., Froyd, K. D., Murphy, D. M., Williamson, C. J., Brock, C. A., et al. (2025). Widespread trace bromine and iodine in remote tropospheric non-sea-salt aerosols. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-45-2025 Reactive halogens catalytically destroy O3 and therefore affect (1) stratospheric O3 depletion and (2) the oxidative capacity of the troposphere. Reactive halogens also partition into the aerosol phase, but what governs halogen-aerosol part... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Wei, S., Shores, K., Xu, Y.. (2025). A comparison of machine learning-based approaches in estimating surface PM2.5 concentrations focusing on Artificial Neural Networks and high pollution events. Atmosphere, doi:https://doi.org/10.3390/atmos16010048 Surface PM2.5 concentrations have significant implications for human health, necessitating accurate estimations. This study compares various machine learning models, including linear models, tree-based algorithms, and artificial neural netw... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Liao, J., Wolfe, G. M., Kotsakis, A. E., Nicely, J. M., Clair, J. M. St., et al. (2025). Validation of formaldehyde products from three satellite retrievals (OMI SAO, OMPS-NPP SAO, and OMI BIRA) in the marine atmosphere with four seasons of Atmospheric Tomography Mission (ATom) aircraft observations. Atmospheric Measurement Techniques, doi:https://doi.org/10.5194/amt-18-1-2025 Formaldehyde (HCHO) in the atmosphere is an intermediate product from the oxidation of methane and non-methane volatile organic compounds. In remote marine regions, HCHO variability is closely related to atmospheric oxidation capacity, and ... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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The influence of anomalous biomass emissions on ENSO in CESM2 Fasullo, J. T., Rosenbloom, N., Buchholz, R.. (2025). The influence of anomalous biomass emissions on ENSO in CESM2. Journal of Climate, doi:https://doi.org/10.1175/JCLI-D-24-0148.1 The influence of biomass burning (BB) aerosols arising from wildfires and agricultural fires on the transient coupled evolution of El Niño–Southern Oscillation (ENSO) is explored in Community Earth System Model, version 2 (CESM2). For both ... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Spatial patterns of turbulence near thunderstorms Hitchcock, S. M., Lane, T. P., Deierling, W., Sharman, R. D., Trier, S. B., et al. (2025). Spatial patterns of turbulence near thunderstorms. Bulletin of the American Meteorological Society, doi:https://doi.org/10.1175/BAMS-D-23-0142.1 Many people have a turbulence story: perhaps a specific memorable experience or just an unpleasant flight where the seatbelt sign remained on for hours. While more rare, severe turbulence encounters can result in serious (even fatal) injuri... ACOM Affiliations: SATREMOTE, UTLS Publication Genre: Article View on OpenSky |
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South Asian Summer Monsoon under stratospheric aerosol intervention Acharya, A., Tilmes, S., Bednarz, E. M., Fadnavis, S.. (2025). South Asian Summer Monsoon under stratospheric aerosol intervention. npj Climate and Atmospheric Science, doi:https://doi.org/10.1038/s41612-024-00875-z The South Asian summer monsoon (SAM) bears significant importance for agriculture, water resources, economy, and environmental aspects of the region for nearly 2 billion people. To minimize the adverse impacts of global warming, Stratospher... ACOM Affiliations: ESS, MODELING Publication Genre: Article View on OpenSky |
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Froidevaux, L., Kinnison, D. E., Gaubert, B., Schwartz, M. J., Livesey, N. J., et al. (2025). Tropical upper-tropospheric trends in ozone and carbon monoxide (2005–2020): Observational and model results. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-25-597-2025 We analyze tropical ozone (O3) and carbon monoxide (CO) distributions in the upper troposphere (UT) for 2005–2020 using Aura Microwave Limb Sounder (MLS) observations and simulations from the Whole Atmosphere Community Climate Model (WACCM)... ACOM Affiliations: MODELING, ACRESP, ACOMVISITORS Publication Genre: Article View on OpenSky |
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Role of the stratosphere in the global mercury cycle Saiz-Lopez, A., Cuevas, C. A., Acuña, A. U., Añel, J. A., Mahajan, A. S., et al. (2025). Role of the stratosphere in the global mercury cycle. Science Advances, doi:https://doi.org/10.1126/sciadv.ads1459 Mercury (Hg) is a global pollutant with substantial risks to human and ecosystem health. By upward transport in tropical regions, mercury enters into the stratosphere, but the contribution of the stratosphere to global mercury dispersion an... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Rivera-Adorno, F. A., Azzarello, L., Robinson, M. A., Decker, Z. C. J., Washenfelder, R. A., et al. (2025). Aircraft measurements from a U.S. Western wildfire demonstrating day and night differences in the chemical composition and optical properties of biomass burning aerosols and their atmospheric evolution. ACS Earth and Space Chemistry, doi:https://doi.org/10.1021/acsearthspacechem.4c00215 The composition and transformations of biomass burning aerosols (BBA) have been measured onboard the NOAA Twin Otter research aircraft during the Fire Influence on Regional to Global Environments and Air Quality field study. We analyze real... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Process analysis of elevated concentrations of organic acids at Whiteface Mountain, New York Lawrence, C., Barth, M., Orlando, J. J., Casson, P., Brandt, R., et al. (2024). Process analysis of elevated concentrations of organic acids at Whiteface Mountain, New York. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-13693-2024 Organic acids represent an important class of compounds in the atmosphere, but there is limited research investigating their chemical production, particularly in the northeast United States. To improve our understanding of organic acid sour... ACOM Affiliations: MODELING, ESS Publication Genre: Article View on OpenSky |
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Fast, J. D., Varble, A. C., Mei, F., Pekour, M., Tomlinson, J., et al. (2024). Large spatiotemporal variability in aerosol properties over central Argentina during the CACTI field campaign. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-13477-2024 Abstract. Few field campaigns with extensive aerosol measurements have been conducted over continental areas in the Southern Hemisphere. To address this data gap and better understand the interactions of convective clouds and the surroundin... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Opinion: Challenges and needs of tropospheric chemical mechanism development Ervens, B., Rickard, A., Aumont, B., Carter, W. P. L., Mcgillen, M., et al. (2024). Opinion: Challenges and needs of tropospheric chemical mechanism development. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-13317-2024 Chemical mechanisms form the core of atmospheric models to describe degradation pathways of pollutants and ultimately inform air quality and climate policymakers and other stakeholders. The accuracy of chemical mechanisms relies on the qual... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Björklund, R., Vigouroux, C., Effertz, P., García, O. E., Geddes, A., et al. (2024). Intercomparison of long-term ground-based measurements of total, tropospheric, and stratospheric ozone at Lauder, New Zealand. Atmospheric Measurement Techniques, doi:https://doi.org/10.5194/amt-17-6819-2024 A comprehensive intercomparison study was conducted of total column ozone and vertical distribution measurements at Lauder station from 2000-2022, analyzing data from multiple ground-based instruments including FTIR, Dobson spectrophotomete... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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The response of tropopause-overshooting convection over North America to climate change Tinney, E., Homeyer, C. R., Bedka, K., Scarino, B. R.. (2024). The response of tropopause-overshooting convection over North America to climate change. Journal of Climate, doi:https://doi.org/10.1175/JCLI-D-23-0745.1 Recent field campaigns, observational studies, and modeling work have demonstrated that extratropical tropopause-overshooting convection has a substantial and previously underestimated impact on stratospheric water vapor concentrations. Thi... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Cnossen, I., Emmert, J. T., García, R. R., Elias, A. G., Mlynczak, M. G., et al. (2024). A review of global long-term changes in the mesosphere, thermosphere and ionosphere: A starting point for inclusion in (semi-) empirical models. Advances in Space Research, doi:https://doi.org/10.1016/j.asr.2024.10.005 The climate of the upper atmosphere, including the mesosphere, thermosphere and ionosphere, is changing. As data records are much more limited than in the lower atmosphere and solar variability becomes increasingly dominant at higher altitu... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Zhang, S., Naik, V., Paynter, D., Tilmes, S., John, J.. (2024). Assessing GFDL‐ESM4.1 climate responses to a Stratospheric Aerosol Injection strategy intended to avoid overshoot 2.0°c warming. Geophysical Research Letters, doi:https://doi.org/10.1029/2024GL113532 In this work, we apply the GFDL Earth System Model (GFDL‐ESM4.1) to explore the climate responses to a stratospheric aerosol injection (SAI) scenario that aims to restrict global warming to 2.0°C above pre‐industrial levels (1850–1900) unde... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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The community-based road to CMIP7 in the Geoengineering Model Intercomparison Project (GeoMIP) Visioni, D., Robock, A., MacMartin, D. G., Quaglia, I., Brody, E., et al. (2024). The community-based road to CMIP7 in the Geoengineering Model Intercomparison Project (GeoMIP). Bulletin of the American Meteorological Society, doi:https://doi.org/10.1175/BAMS-D-24-0274.1 ACOM Affiliations: ACOMVISITORS, MODELING Publication Genre: Article View on OpenSky |
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Earth System Predictability Across Timescales Community Workshop Report Richter, J. H., Colegrove, D., Aponte, K. L., Bell, C., Davis, C. A., et al. (2024). Earth System Predictability Across Timescales Community Workshop Report. NCAR Technical Notes, doi:https://doi.org/10.5065/f4hy-2b23 As climate change increases the frequency and severity of extreme weather events, communities are facing growing vulnerability. Addressing this urgent challenge requires deepening our understanding of Earth system processes, uncertainties, ... ACOM Affiliations: ACOMDO Publication Genre: Technical Report View on OpenSky |
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Gisinger, S., Bramberger, M., Dörnbrack, A., Bechtold, P.. (2024). Severe convectively induced turbulence hitting a passenger aircraft and its forecast by the ECMWF IFS model. Geophysical Research Letters, doi:https://doi.org/10.1029/2024GL113037 Atmospheric turbulence poses a major risk to aviation. Besides airframe damage, it can cause injuries of passengers and crew when encountered unexpectedly. The Singapore Airlines flight SQ321 was on its way from London to Singapore when sev... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Barsanti, K., Brown, S. S., Fischer, E. V., Kaiser, J. W., Stockwell, C. E., et al. (2024). Findings from biomass burning field campaigns set directions for future research on atmospheric impacts. ACS ES&T Air, doi:https://doi.org/10.1021/acsestair.4c00276 The global extent of vegetation fires is modified by climate, land use change, and other factors and feedbacks. Fires are important for maintaining fire-adapted ecosystems, but they can also impact ecosystem properties and functions and has... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Changes in coastal upwelling in the northern Gulf of Guinea under Stratospheric Aerosol Injection Ayissi, F., Da-Allada, C., Baloïtcha, E., Worou, L., Tilmes, S.. (2024). Changes in coastal upwelling in the northern Gulf of Guinea under Stratospheric Aerosol Injection. Regional Studies in Marine Science, doi:https://doi.org/10.1016/j.rsma.2024.103607 This study aims to assess the impact of Stratospheric Aerosol Injection (SAI) on the coastal upwelling in the northern Gulf of Guinea based, on upwelling index computation and using the Community Earth System Model from the Geoengineering L... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Dubé, K., Tegtmeier, S., Bourassa, A., Zawada, D., Degenstein, D., et al. (2024). Upper-stratospheric temperature trends: New results from the Optical Spectrograph and InfraRed Imager System (OSIRIS). Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-12925-2024 Abstract. Temperature trends in the upper stratosphere, particularly above ∼ 45 km, are difficult to quantify due to a lack of observational data with high vertical resolution in this region that span multiple decades. The recent v7.3 upper... ACOM Affiliations: ACRESP, MODELING Publication Genre: Article View on OpenSky |
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Randel, W., Wu, F., Ming, A., HITCHCOCK, P., Kim, J.. (2024). Ozone‐temperature coupling in the tropical lower stratosphere: Update on observations and understanding with a simple model. ACOM Affiliations: ACRESP, MODELING Publication Genre: Conference Material View on OpenSky |
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Evaluation of WRF-Chem air quality forecasts during the AEROMMA and STAQS 2023 field campaigns Acdan, J. J. M., Pierce, R. B., Kuang, S., McKinney, T., Stevenson, D., et al. (2024). Evaluation of WRF-Chem air quality forecasts during the AEROMMA and STAQS 2023 field campaigns. Journal of the Air & Waste Management Association, doi:https://doi.org/10.1080/10962247.2024.2380333 A real-time air quality forecasting system was developed using the Weather Research and Forecasting model coupled with Chemistry (WRF-Chem) to provide support for flight planning activities during the NOAA Atmospheric Emissions and Reaction... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Shen, Y., Pokhrel, R. P., Sullivan, A. P., Levin, E. J. T., Garofalo, L. A., et al. (2024). Understanding the mechanism and importance of brown carbon bleaching across the visible spectrum in biomass burning plumes from the WE-CAN campaign. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-12881-2024 Aerosol absorption of visible light has an important impact on global radiative forcing. Wildfires are one of the major sources of light-absorbing aerosol, but there remains significant uncertainty about the magnitude, wavelength dependence... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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The atmospheric oxidizing capacity in China - Part 2: Sensitivity to emissions of primary pollutants Dai, J., Brasseur, G., Vrekoussis, M., Kanakidou, M., Qu, K., et al. (2024). The atmospheric oxidizing capacity in China - Part 2: Sensitivity to emissions of primary pollutants. Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-12943-2024 Despite substantial reductions in anthropogenic emissions, ozone (O3) pollution remains a severe environmental problem in urban China. These reductions affect ozone formation by altering levels of O3 precursors, intermediates, and the oxida... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Duncan, B. N., Anderson, D. C., Fiore, A., Joiner, J., Krotkov, N. A., et al. (2024). Opinion: Beyond global means - novel space-based approaches to indirectly constrain the concentrations of and trends and variations in the tropospheric hydroxyl radical (OH). Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-13001-2024 The hydroxyl radical (OH) plays a central role in tropospheric chemistry, as well as influencing the lifetimes of some greenhouse gases. Because of limitations in our ability to observe OH, we have historically relied on indirect methods to... ACOM Affiliations: ACOMDO Publication Genre: Article View on OpenSky |
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NEIVAv1.0: Next-generation Emissions InVentory expansion of Akagi et al. (2011) version 1.0 Shahid, S. B., Lacey, F., Wiedinmyer, C., Yokelson, R. J., Barsanti, K.. (2024). NEIVAv1.0: Next-generation Emissions InVentory expansion of Akagi et al. (2011) version 1.0. Geoscientific Model Development, doi:https://doi.org/10.5194/gmd-17-7679-2024 Accurate representation of fire emissions is critical for modeling the in-plume, near-source, and remote effects of biomass burning (BB) on atmospheric composition, air quality, and climate. In recent years application of advanced instrumen... ACOM Affiliations: ACOMVISITORS, ESS Publication Genre: Article View on OpenSky |
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Long‐term temperature impacts of the Hunga volcanic eruption in the stratosphere and above Randel, W., Wang, X., García, R. R., Kinnison, D. E.. (2024). Long‐term temperature impacts of the Hunga volcanic eruption in the stratosphere and above. Geophysical Research Letters, doi:https://doi.org/10.1029/2024GL111500 Global average upper atmosphere temperature changes linked with the Hunga volcanic eruption (January 2022) are analyzed based on satellite measurements and compared with chemistry‐climate model simulations. Results show stratospheric coolin... ACOM Affiliations: ACRESP, MODELING Publication Genre: Article View on OpenSky |
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Stratospheric transit time distributions derived from satellite water vapor measurements Randel, W., Podglajen, A., Wu, F.. (2024). Stratospheric transit time distributions derived from satellite water vapor measurements. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD041595 Stratospheric transit time distributions (age‐of‐air spectra) are estimated using time series of satellite water vapor (H 2 O) measurements from the Microwave Limb Sounder over 2004 to 2021 assuming stationary transport. Latitude‐altitude d... ACOM Affiliations: ACRESP, MODELING Publication Genre: Article View on OpenSky |
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Zhou, M., Langerock, B., Vigouroux, C., Smale, D., Toon, G., et al. (2024). Recent decreases in the growth rate of atmospheric HCFC‐22 column derived from the ground‐based FTIR harmonized retrievals at 16 NDACC sites. Geophysical Research Letters, doi:https://doi.org/10.1029/2024GL112470 HCFC‐22 is an ozone‐depleting substance with a greenhouse effect. The atmospheric mole fractions of HCFC‐22 have been increasing since the 1950s. Within the NDACC‐IRWG network, HCFC‐22 mol fractions can be retrieved from solar absorption sp... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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A comparative analysis of satellite‐derived CO retrievals during the 2020 wildfires in North America Marey, H. S., Drummond, J. R., Jones, D. B. A., Worden, H. M., Clerbaux, C., et al. (2024). A comparative analysis of satellite‐derived CO retrievals during the 2020 wildfires in North America. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2023JD039876 In September 2020, the Western United States experienced anomalously severe wildfires that resulted in carbon monoxide (CO) emissions almost three times the 2001–2019 average. In this study, we investigate the influence of wildfires on atmo... ACOM Affiliations: ACOMDO, ACRESP Publication Genre: Article View on OpenSky |
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Evolution of reactive organic compounds and their potential health risk in wildfire smoke Pye, H. O. T., Xu, L., Henderson, B. H., Pagonis, D., Campuzano-Jost, P., et al. (2024). Evolution of reactive organic compounds and their potential health risk in wildfire smoke. Environmental Science & Technology, doi:https://doi.org/10.1021/acs.est.4c06187 Wildfires are an increasing source of emissions into the air, with health effects modulated by the abundance and toxicity of individual species. In this work, we estimate reactive organic compounds (ROC) in western U.S. wildland forest fire... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Deshler, T., Kalnajs, L., Norgren, M., Zhu, Y., Zhang, J.. (2024). In situ aerosol size spectra measurements in the austral polar vortex before and after the Hunga Tonga‐Hunga Ha'apai volcanic eruption. Geophysical Research Letters, doi:https://doi.org/10.1029/2024GL111388 Aerosol from the Hunga Tonga‐Hunga Ha'apai (HT‐HH) volcanic eruption (20.6°S) in January 2022 were not incorporated into the austral polar vortex until the following year, March 2023. Within the polar vortex in situ profiles of aerosol size... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Yue, M., Liu, Y., Wang, M., Dong, X., Emmons, L. K., et al. (2024). Weakened aerosol‐PBL interactions enhance future air quality benefits under carbon neutrality in China: Insights from the advanced variable‐resolution global model. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD041106 China's pursuing the carbon neutrality goal could affect future air quality not only by reducing anthropogenic emissions but also by modulating aerosol‐planetary boundary layer (PBL) interactions. However, contributions of aerosol‐PBL inter... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Koenig, T. K., Hendrick, F., Kinnison, D. E., Lee, C. F., Roozendael, M. V., et al. (2024). Troposphere–stratosphere-integrated bromine monoxide (BrO) profile retrieval over the central Pacific Ocean. Atmospheric Measurement Techniques, doi:https://doi.org/10.5194/amt-17-5911-2024 Abstract. Bromine monoxide (BrO) is relevant to atmospheric oxidative capacity, affecting the lifetime of greenhouse gases (i.e., methane, dimethylsulfide) and mercury oxidation. However, measurements of BrO radical vertical profiles are ra... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |
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Local and regional enhancements of CH4, CO, and CO2 inferred from TCCON column measurements Mottungan, K., Roychoudhury, C., Brocchi, V., Gaubert, B., Tang, W., et al. (2024). Local and regional enhancements of CH4, CO, and CO2 inferred from TCCON column measurements. Atmospheric Measurement Techniques, doi:https://doi.org/10.5194/amt-17-5861-2024 In this study, we demonstrate the utility of available correlative measurements of carbon species to identify regional and local air mass characteristics as well as their associated source types. In particular, we combine different regressi... ACOM Affiliations: ACRESP Publication Genre: Article View on OpenSky |
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Shao, X., Wang, M., Dong, X., Liu, Y., Shen, W., et al. (2024). Global modeling of aerosol nucleation with a semi-explicit chemical mechanism for highly oxygenated organic molecules (HOMs). Atmospheric Chemistry and Physics, doi:https://doi.org/10.5194/acp-24-11365-2024 New particle formation (NPF) involving organic compounds has been identified as an important process affecting aerosol particle number concentrations in the global atmosphere. Laboratory studies have shown that highly oxygenated organic mol... ACOM Affiliations: CHMWTH Publication Genre: Article View on OpenSky |
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Trifluoroacetic acid in the environment: Consensus, gaps, and next steps Hanson, M. L., Madronich, S., Solomon, K., Andersen, M. P. S., Wallington, T. J.. (2024). Trifluoroacetic acid in the environment: Consensus, gaps, and next steps. Environmental Toxicology and Chemistry, doi:https://doi.org/10.1002/etc.5963 Trifluoroacetic acid (TFA) is a persistent, water-soluble compound primarily produced by atmospheric degradation of CFC replacements, sparking scientific debate about its environmental sources, fate, and potential ecological risks. While cu... ACOM Affiliations: ESS Publication Genre: Article View on OpenSky |
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Evaluating the importance of nitrate‐containing aerosols for the Asian Tropopause Aerosol Layer Zhu, Y., Yu, P., Wang, X., Bardeen, C., Borrmann, S., et al. (2024). Evaluating the importance of nitrate‐containing aerosols for the Asian Tropopause Aerosol Layer. Journal of Geophysical Research: Atmospheres, doi:https://doi.org/10.1029/2024JD041283 The Asian Summer Monsoon (ASM) convection transports aerosols and their precursors from the boundary layer to the upper troposphere and lower stratosphere (UTLS). This process forms an annually recurring aerosol layer near the tropopause. R... ACOM Affiliations: ACOMVISITORS, ACRESP, MODELING Publication Genre: Article View on OpenSky |
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Millet, D. B., Palmer, P. I., Levelt, P., Gallardo, L., Shikwambana, L.. (2024). Coordinated geostationary, multispectral satellite observations are critical for climate and air quality progress. AGU Advances, doi:https://doi.org/10.1029/2024AV001322 Satellite observations are critical for air quality and climate monitoring, and for developing the process understanding needed for reliable planning and predictions. Our current space‐based observing system stands at a crossroads with the ... ACOM Affiliations: ACOMDO Publication Genre: Article View on OpenSky |
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Qu, K., Yan, Y., Wang, X., Jin, X., Vrekoussis, M., et al. (2024). The effect of cross-regional transport on ozone and particulate matter pollution in China: A review of methodology and current knowledge. Science of the Total Environment, doi:https://doi.org/10.1016/j.scitotenv.2024.174196 China is currently one of the countries impacted by severe atmospheric ozone (O 3 ) and particulate matter (PM) pollution. Due to their moderately long lifetimes, O 3 and PM can be transported over long distances, cross the boundaries of so... ACOM Affiliations: MODELING Publication Genre: Article View on OpenSky |