Search Results - "Yarwood, G"

Multipollutant modeling of ozone, reactive nitrogen and HAPs across the continental US with CMAQ-CB6 by Luecken, D.J., Yarwood, G., Hutzell, W.T.

“…The accuracy of atmospheric chemical mechanisms used in air quality models is critical for robustly predicting the production and decay of air pollutants and…”
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Examining the impact of heterogeneous nitryl chloride production on air quality across the United States by Sarwar, G, Simon, H, Bhave, P, Yarwood, G

“…The heterogeneous hydrolysis of dinitrogen pentoxide (N2O5) has typically been modeled as only producing nitric acid. However, recent field studies have…”
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Iodine Catalyzed Ozone Destruction at the Texas Coast and Gulf of Mexico by Tuite, K., Brockway, N., Colosimo, S. F., Grossmann, K., Tsai, C., Flynn, J., Alvarez, S., Erickson, M., Yarwood, G., Nopmongcol, U., Stutz, J.

“…Iodine monoxide and ozone measurements were taken using long‐path differential optical absorption spectroscopy along the Gulf of Mexico coast near Galveston,…”
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Investigating impacts of chemistry and transport model formulation on model performance at European scale by Pirovano, G., Balzarini, A., Bessagnet, B., Emery, C., Kallos, G., Meleux, F., Mitsakou, C., Nopmongcol, U., Riva, G.M., Yarwood, G.

“…The CAMx and CHIMERE chemistry and transport models were applied over Europe for the year 2006 in the framework of the AQMEII inter-comparison exercise. Model…”
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A method to represent ozone response to large changes in precursor emissions using high-order sensitivity analysis in photochemical models by Yarwood, G, Emery, C, Jung, J, Nopmongcol, U, Sakulyanontvittaya, T

“…Photochemical grid models (PGMs) are used to simulate tropospheric ozone and quantify its response to emission changes. PGMs are often applied for annual…”
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Evaluating the capability of regional-scale air quality models to capture the vertical distribution of pollutants by Solazzo, E, Bianconi, R, Pirovano, G, Moran, M. D, Vautard, R, Hogrefe, C, Appel, K. W, Matthias, V, Grossi, P, Bessagnet, B, Brandt, J, Chemel, C, Christensen, J. H, Forkel, R, Francis, X. V, Hansen, A. B, McKeen, S, Nopmongcol, U, Prank, M, Sartelet, K. N, Segers, A, Silver, J. D, Yarwood, G, Werhahn, J, Zhang, J, Rao, S. T, Galmarini, S

“…This study is conducted in the framework of the Air Quality Modelling Evaluation International Initiative (AQMEII) and aims at the operational evaluation of an…”
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Air quality simulations for North America - MM5–CAMx modelling performance for main gaseous pollutants by Ferreira, J., Rodriguez, A., Monteiro, A., Miranda, A.I., Dios, M., Souto, J.A., Yarwood, G., Nopmongcol, U., Borrego, C.

“…In the scope of the Air Quality Model Evaluation International Initiative (AQMEII) the air quality modelling system MM5–CAMx was applied to the North American…”
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Modeling heterogeneous ClNO2 formation, chloride availability, and chlorine cycling in Southeast Texas by Simon, H, Kimura, Y, McGaughey, G, Allen, D T, Brown, S S, Coffman, D, Dibb, J, Osthoff, H D, Quinn, P, Roberts, J M, Yarwood, G, Kemball-Cook, S, Byun, D, Lee, D

“…Nitryl Chloride (ClNO2) mixing ratios above 1aappbv have been measured off the coast of Southeast Texas. ClNO2 formation, the result of heterogeneous N2O5…”
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Patterns of neurophysiological abnormality in prolonged critical illness by COAKLEY, J. H, NAGENDRAN, K, YARWOOD, G. D, HONAVAR, M, HINDS, C. J

“…To describe the various patterns of neurophysiological abnormalities which may complicate prolonged critical illness and identify possible aetiological…”
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Modelled surface ozone over southern Africa during the Cross Border Air Pollution Impact Assessment Project by Zunckel, M., Koosailee, A., Yarwood, G., Maure, G., Venjonoka, K., van Tienhoven, A.M., Otter, L.

“…Monitoring of surface ozone over southern Africa has shown that ambient concentrations often exceed a threshold of 40 ppb at which damage to vegetation by…”
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An evaluation of the mechanism of nitrous acid formation in the urban atmosphere by Calvert, J. G., Yarwood, G., Dunker, A. M.

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Recommendations on benchmarks for numerical air quality model applications in China – Part 1: PM2.5 and chemical species by Huang, Ling, Zhu, Yonghui, Zhai, Hehe, Xue, Shuhui, Zhu, Tianyi, Shao, Yun, Liu, Ziyi, Emery, Chris, Yarwood, Greg, Wang, Yangjun, Fu, Joshua, Zhang, Kun, Li, Li

“…Numerical air quality models (AQMs) have been applied more frequently over the past decade to address diverse scientific and regulatory issues associated with…”
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Insights into soil NO emissions and the contribution to surface ozone formation in China by Huang, Ling, Fang, Jiong, Liao, Jiaqiang, Yarwood, Greg, Chen, Hui, Wang, Yangjun, Li, Li

“…Elevated ground-level ozone concentrations have emerged as a major environmental issue in China. Nitrogen oxide (NOx) is a key precursor to ozone formation…”
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Evaluating NOx emissions and their effect on O3 production in Texas using TROPOMI NO2 and HCHO by Goldberg, Daniel L, Harkey, Monica, de Foy, Benjamin, Judd, Laura, Johnson, Jeremiah, Yarwood, Greg, Holloway, Tracey

“…The Tropospheric Monitoring Instrument (TROPOMI) on the Sentinel-5 Precursor (S5P) satellite is a valuable source of information to monitor the NOx emissions…”
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Modeling intercontinental transport of ozone in North America with CAMx for the Air Quality Model Evaluation International Initiative (AQMEII) Phase 3 by Nopmongcol, Uarporn, Liu, Zhen, Stoeckenius, Till, Yarwood, Greg

“…Intercontinental ozone (O3) transport extends the geographic range of O3 air pollution impacts and makes local air pollution management more difficult. Phase 3…”
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Sulfate formation during heavy winter haze events and the potential contribution from heterogeneous SO2+NO2 reactions in the Yangtze River Delta region, China by Huang, Ling, An, Jingyu, Koo, Bonyoung, Yarwood, Greg, Rusha Yan, Wang, Yangjun, Huang, Cheng, Li, Li

“…Rapid sulfate formation is recognized as a key characteristic of severe winter haze in China. However, air quality models tend to underestimate sulfate…”
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An intercomparison of satellite, airborne, and ground-level observations with WRF–CAMx simulations of NO2 columns over Houston, Texas, during the September 2021 TRACER-AQ campaign by M Omar Nawaz, Johnson, Jeremiah, Yarwood, Greg, de Foy, Benjamin, Judd, Laura, Goldberg, Daniel L

“…Nitrogen dioxide (NO2) is a precursor of ozone (O3) and fine particulate matter (PM2.5) – two pollutants that are above regulatory guidelines in many cities…”
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Administration of human recombinant insulin-like growth factor-I in critically ill patients by Yarwood, Gary D, Ross, Richard J. M, Medbak, Sami, Coakley, John, Hinds, Charles J

“…OBJECTIVES To study the pharmacokinetics of a single subcutaneous dose of recombinant human insulin-like growth factor-I (IGF-I) in patients with systemic…”
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Contributions of foreign, domestic and natural emissions to US ozone estimated using the path-integral method in CAMx nested within GEOS-Chem by Dunker, Alan M, Koo, Bonyoung, Yarwood, Greg

“…The Goddard Earth Observing System global chemical transport (GEOS-Chem) model was used at 2°  ×  2.5° resolution to simulate ozone formation for a base case…”
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An investigation into atmospheric nitrous acid (HONO) processes in South Korea by Kim, Kiyeon, Han, Kyung Man, Song, Chul Han, Lee, Hyojun, Beardsley, Ross, Yu, Jinhyeok, Yarwood, Greg, Koo, Bonyoung, Madalipay, Jasper, Woo, Jung-Hun, Cho, Seogju

“…Nitrous acid (HONO) is a main precursor of hydroxyl radicals (OH), which contribute to the formation of numerous secondary air pollutants in the troposphere…”
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