Results 51 to 60 of about 3,824 (208)

Enabling high-performance cloud computing for the Community Multiscale Air Quality Model (CMAQ) version 5.3.3: performance evaluation and benefits for the user community [PDF]

Geoscientific Model Development
The Community Multiscale Air Quality Model (CMAQ) is a local- to hemispheric-scale numerical air quality modeling system developed by the U.S. Environmental Protection Agency (USEPA) and supported by the Community Modeling and Analysis System (CMAS ...
C. I. Efstathiou, C. I. Efstathiou, E. Adams, C. J. Coats, R. Zelt, M. Reed, J. McGee, K. M. Foley, F. I. Sidi, D. C. Wong, S. Fine, S. Fine, S. Arunachalam   +12 more
doaj   +1 more source

Model Performance Differences in Sulfate Aerosol in Winter over Japan Based on Regional Chemical Transport Models of CMAQ and CAMx

Atmosphere, 2018
Sulfate aerosol (SO42−) is a major component of particulate matter in Japan. The Japanese model intercomparison study, J-STREAM, found that although SO42− is well captured by models, it is underestimated during winter. In the first phase of J-
Syuichi Itahashi, Kazuyo Yamaji, Satoru Chatani, Kunihiro Hisatsune, Shinji Saito, Hiroshi Hayami   +5 more
doaj   +1 more source

CMAQ 5.0 Adjoint

, 2020
The CMAQ-Adjoint model is an active and evolving open-source development effort by various collaborators that augments CMAQ with backward/reverse sensitivity analysis capabilities.
Huizhong Shen, Shunliu Zhao, Kathleen M. Fahey, Tianfeng Chai, Amir Hakami, Charles O. Stanier, Gregory R. Carmichael, Amanda J. Pappin, Peter B. Percell, Jaroslav Resler, Matthew D. Turner, Matthew G. Russell, Armistead G. Russell, Athanasios Nenes, Sergey L. Napelenok, Shannon L. Capps, Jesse O. Bash, Daven K. Henze   +17 more
core   +1 more source

Contrasting Mechanisms of Heatwave‐Ozone Pollution Compound Events and Independent Heatwave Events in the Yangtze River Delta

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 11, 16 June 2026.
Abstract Heat waves do not always coincide with ozone pollution, yet the mechanisms controlling their divergence remain insufficiently understood. Here, we investigate why some heat waves evolved into heatwave‐ozone pollution compound events (HWOP), whereas others remained isolated heat wave events (IHW), over the Yangtze River Delta during summer 2024.
Jiaying Pan, Zhanning Huang, Huiling Ouyang, Xiaoyan Wang   +3 more
wiley   +1 more source

Sensibility Study for PBL Scheme of WRF-CMAQ

Journal of Korean Society for Atmospheric Environment, 2011
Numerical simulations were carried out to investigate the impact of PBL (Planetary boundary layer) scheme implemented in WRF on the result of meteorological fields and CMAQ modeling. 25-day period, representing high ozone concentration, was selected for the simulations.
Nan-Kyoung Moon, Soon-Tae Kim, Ji-Hyun Seo   +2 more
openaire   +2 more sources

Observation‐Constrained Fossil Fuel CO2 Emissions Reveal Post‐2018 Stabilization in China

Geophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract Accurate quantification of interannual variations in China's fossil fuel CO2 (FFCO2) emissions is critical for climate policy evaluation. However, bottom‐up inventories exhibit growing discrepancies. Here, we estimate China's 2015–2023 FFCO2 emissions using the Regional multi‐Air Pollutant Assimilation System, integrating in situ observations ...
Shuzhuang Feng, Yang Shen, Fei Jiang, Mengwei Jia, Yu Mao, Hengmao Wang, Weimin Ju   +6 more
wiley   +1 more source

CMASCenter/cyclecloud-cmaq: CMAQ on Azure Tutorial Version 5.4

<p>Code for the readthedocs tutorial to run CMAQ on Azure using CMAQ Version 5.4 to support <a href="https://cyclecloud-cmaq.readthedocs.io/en/latest/index.html">CMAQ Version 5.4 on Azure readthedocs tutorial</a></p ...
Christos Efstathiou, Liz Adams
core   +2 more sources

Improving Estimates of Prescribed Fire Smoke: Insights From a Novel Southeastern US Burn Permit Geodatabase

Geophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract The southeastern US accounts for over 60% of national prescribed (Rx) burning acreage and relies on Rx fire to reduce wildfire risk and sustain forest biodiversity. While ecologically beneficial, Rx fires may introduce smoke‐related risks to surrounding communities.
Jingting Huang, Jeffery B. Cannon, Holly K. Nowell, Christina H. Fuller   +3 more
wiley   +1 more source

CMASCenter/pcluster-cmaq: CMAQ on AWS Tutorial Version 5.4

<p>Code for the readthedocs tutorial to run CMAQ on AWS using Version 5.4 to support <a href="https://pcluster-cmaq.readthedocs.io/en/latest/">CMAQ Version 5.4 on AWS readthedocs tutorial</a></p ...
Christos Efstathiou, Liz Adams, Kristen Foley   +2 more
core   +2 more sources

Improving Machine Learning Based PM2.5 Prediction by Segregating Biomass Emission Factor from Chemical Transport Model [PDF]

E3S Web of Conferences
Located in the heart of Mainland Southeast Asia, Thailand is associated with high biomass burning (BB) activities from local and neighbouring countries.
Sukprasert Supitcha, Shimadera Hikari, Araki Shin, Thongthammachart Tin, Thanasutives Pongpisit, Viet Mui Luong, Matsuo Tomohito, Kondo Akira   +7 more
doaj   +1 more source