Search Results - "Brasseur, Guy P."

The Response in Air Quality to the Reduction of Chinese Economic Activities During the COVID‐19 Outbreak by Shi, Xiaoqin, Brasseur, Guy P.

“…During the COVID‐19 outbreak that took place in early 2020, the economic activities in China were drastically reduced and accompanied by a strong reduction in…”
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Twenty‐Five Years of Lower Tropospheric Ozone Observations in Tropical East Asia: The Influence of Emissions and Weather Patterns by Wang, Tao, Dai, Jianing, Lam, Ka Se, Nan Poon, Chun, Brasseur, Guy P.

“…Tropospheric ozone affects the Earth's radiative balance, oxidative capacity, and air quality, yet the long‐term ozone trend in East Asia and its driver(s)…”
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Wavelet analysis of the atmospheric flows over real urban morphology by Liu, Yixun, Liu, Chun-Ho, Brasseur, Guy P., Chao, Christopher Y.H.

“…Winds are the basic forces for atmospheric transport such as pollutant removal and pedestrian thermal comfort. The transport capability is commonly measured in…”
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Does Downscaling Improve the Performance of Urban Ozone Modeling? by Wang, Yuting, Brasseur, Guy P., Ma, Yong‐Feng, Peuch, Vincent‐Henri, Wang, Tao

“…Increasing the model resolution is expected to be one way for improving air quality forecasts in urban areas. In this study, we evaluate the model performance…”
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The impact of inhomogeneous emissions and topography on ozone photochemistry in the vicinity of Hong Kong Island by Wang, Yuting, Ma, Yong-Feng, Muñoz-Esparza, Domingo, Li, Cathy W. Y, Barth, Mary, Wang, Tao, Brasseur, Guy P

“…Global and regional chemical transport models of the atmosphere are based on the assumption that chemical species are completely mixed within each model grid…”
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Segregation of Atmospheric Oxidants in Turbulent Urban Environments by Wang, Yuting, Brasseur, Guy P., Wang, Tao

“…In the atmospheric boundary layer that is affected by turbulent motions and inhomogeneous surface chemical emissions, short-lived reactive species may not be…”
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Segregation of Fast-Reactive Species in Atmospheric Turbulent Flow by Brasseur, Guy P., Barth, Mary, Kazil, Jan, Patton, Edward G., Wang, Yuting

“…Atmospheric turbulence, which produces chaotic motions in the planetary boundary layer, can inhibit mixing between fast-reacting species produced or released…”
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Earth’s atmosphere protects the biosphere from nearby supernovae by Christoudias, Theodoros, Kirkby, Jasper, Stolzenburg, Dominik, Pozzer, Andrea, Sommer, Eva, Brasseur, Guy P, Kulmala, Markku, Lelieveld, Jos

“…Geological evidence indicates that a supernova within 100 parsecs of Earth occurs around once per million years. Such nearby supernovas can produce an intense…”
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Chemical Weather and Chemical Climate by Brasseur, Guy P., Kumar, Rajesh

“…Progress in fundamental understanding of atmospheric chemistry in the past decades has enabled the development of advanced environmental predictive capability…”
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Ensemble forecasts of air quality in eastern China – Part 1: Model description and implementation of the MarcoPolo–Panda prediction system, version 1 by Brasseur, Guy P, Xie, Ying, Petersen, Anna Katinka, Bouarar, Idir, Flemming, Johannes, Gauss, Michael, Jiang, Fei, Kouznetsov, Rostislav, Kranenburg, Richard, Mijling, Bas, Peuch, Vincent-Henri, Pommier, Matthieu, Segers, Arjo, Sofiev, Mikhail, Timmermans, Renske, van der A, Ronald, Walters, Stacy, Xu, Jianming, Zhou, Guangqiang

“…An operational multi-model forecasting system for air quality including nine different chemical transport models has been developed and provides daily…”
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Air Pollution and Climate-Forcing Impacts of a Global Hydrogen Economy by Schultz, Martin G., Diehl, Thomas, Brasseur, Guy P., Zittel, Werner

“…If today's surface traffic fleet were powered entirely by hydrogen fuel cell technology, anthropogenic emissions of the ozone precursors nitrogen oxide (NOx)…”
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Global Wildland Fire Emission Model (GWEM): Evaluating the use of global area burnt satellite data by Hoelzemann, Judith J., Schultz, Martin G., Brasseur, Guy P., Granier, Claire, Simon, Muriel

“…The new Global Wildland Fire Emission Model (GWEM) has been developed on the basis of data from the European Space Agency's monthly Global Burnt Scar satellite…”
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Impact of monsoon circulations on the upper troposphere and lower stratosphere by Gettelman, Andrew, Kinnison, Douglas E., Dunkerton, Timothy J., Brasseur, Guy P.

“…Observations from in situ aircraft and output from a global chemical transport model are used to better understand the impact of Northern Hemisphere summer…”
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The Impact on the Ozone Layer of a Potential Fleet of Civil Hypersonic Aircraft by Kinnison, Douglas, Brasseur, Guy P., Baughcum, Steven L., Zhang, Jun, Wuebbles, Donald

“…The aeronautical community is currently researching technology that might lead to commercial hypersonic aircraft that would cruise at Mach 5–8 in the middle or…”
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Chemical characterization of air pollution in Eastern China and the Eastern United States by Tie, Xuexi, Brasseur, Guy P., Zhao, ChunSheng, Granier, Claire, Massie, Steven, Qin, Yu, Wang, PuCai, Wang, Geli, Yang, PeiCai, Richter, Andreas

“…Satellite data (MODIS, GOME, and MOPITT) together with a chemical transport global model of the atmosphere (MOZART-2) are used to characterize air pollution in…”
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Climate services: Lessons learned and future prospects by Brasseur, Guy P., Gallardo, Laura

“…This perspective paper reviews progress made in the last decades to enhance the communication and use of climate information relevant to the political and…”
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Diverse response of surface ozone to COVID-19 lockdown in China by Liu, Yiming, Wang, Tao, Stavrakou, Trissevgeni, Elguindi, Nellie, Doumbia, Thierno, Granier, Claire, Bouarar, Idir, Gaubert, Benjamin, Brasseur, Guy P.

“…Ozone (O3) is a key oxidant and pollutant in the lower atmosphere. Significant increases in surface O3 have been reported in many cities during the COVID-19…”
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Influence of anthropogenic emissions on tropospheric ozone and its precursors over the Indian tropical region during a monsoon by Beig, Gufran, Brasseur, Guy P.

“…An emission inventory of ozone precursors developed for the year 1991 and 2001 is used in a Chemistry‐Transport Model (MOZART) to examine the tropospheric…”
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Impact of Climate Change on the Future Chemical Composition of the Global Troposphere by Brasseur, Guy P., Schultz, Martin, Granier, Claire, Saunois, Marielle, Diehl, Thomas, Botzet, Michael, Roeckner, Erich, Walters, Stacy

“…A global chemical transport model of the atmosphere [the Model for Ozone and Related Tracers, version 2 (MOZART-2)] driven by prescribed surface emissions and…”
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Ozone pollution from future ship traffic in the Arctic northern passages by Granier, Claire, Niemeier, Ulrike, Jungclaus, Johann H., Emmons, Louisa, Hess, Peter, Lamarque, Jean-François, Walters, Stacy, Brasseur, Guy P.

“…With sea ice expected to recede in the Arctic during the 21st century as a result of projected climate warming, global shipping patterns will change…”
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