Search Results - "Brown, Steven S."

Tropospheric Halogen Chemistry: Sources, Cycling, and Impacts by Simpson, William R, Brown, Steven S, Saiz-Lopez, Alfonso, Thornton, Joel A, von Glasow, Roland

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Formation of Secondary Brown Carbon in Biomass Burning Aerosol Proxies through NO3 Radical Reactions by Li, Chunlin, He, Quanfu, Hettiyadura, Anusha Priyadarshani Silva, Käfer, Uwe, Shmul, Guy, Meidan, Daphne, Zimmermann, Ralf, Brown, Steven S, George, Christian, Laskin, Alexander, Rudich, Yinon

“…Atmospheric brown carbon (BrC) is an important contributor to the radiative forcing of climate by organic aerosols. Because of the molecular diversity of BrC…”
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Fine particle pH and the partitioning of nitric acid during winter in the northeastern United States by Guo, Hongyu, Sullivan, Amy P., Campuzano‐Jost, Pedro, Schroder, Jason C., Lopez‐Hilfiker, Felipe D., Dibb, Jack E., Jimenez, Jose L., Thornton, Joel A., Brown, Steven S., Nenes, Athanasios, Weber, Rodney J.

“…Particle pH is a critical but poorly constrained quantity that affects many aerosol processes and properties, including aerosol composition, concentrations,…”
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Non-methane organic gas emissions from biomass burning: identification, quantification, and emission factors from PTR-ToF during the FIREX 2016 laboratory experiment by Koss, Abigail R, Sekimoto, Kanako, Gilman, Jessica B, Selimovic, Vanessa, Coggon, Matthew M, Zarzana, Kyle J, Yuan, Bin, Lerner, Brian M, Brown, Steven S, Jimenez, Jose L, Krechmer, Jordan, Roberts, James M, Warneke, Carsten, Yokelson, Robert J, de Gouw, Joost

“…Volatile and intermediate-volatility non-methane organic gases (NMOGs) released from biomass burning were measured during laboratory-simulated wildfires by…”
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Broadband optical properties of biomass‐burning aerosol and identification of brown carbon chromophores by Bluvshtein, Nir, Lin, Peng, Flores, J. Michel, Segev, Lior, Mazar, Yinon, Tas, Eran, Snider, Graydon, Weagle, Crystal, Brown, Steven S., Laskin, Alexander, Rudich, Yinon

“…The radiative effects of biomass‐burning aerosols on regional and global scales can be substantial. Accurate modeling of the radiative effects of smoke…”
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Optical Properties of Secondary Organic Aerosol Produced by Nitrate Radical Oxidation of Biogenic Volatile Organic Compounds by He, Quanfu, Tomaz, Sophie, Li, Chunlin, Zhu, Ming, Meidan, Daphne, Riva, Matthieu, Laskin, Alexander, Brown, Steven S, George, Christian, Wang, Xinming, Rudich, Yinon

“…Nighttime oxidation of biogenic volatile organic compounds (BVOCs) by nitrate radicals (NO3·) represents one of the most important interactions between…”
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Chemical feedbacks weaken the wintertime response of particulate sulfate and nitrate to emissions reductions over the eastern United States by Shah, Viral, Jaeglé, Lyatt, Thornton, Joel A., Lopez-Hilfiker, Felipe D., Lee, Ben H., Schroder, Jason C., Campuzano-Jost, Pedro, Jimenez, Jose L., Guo, Hongyu, Sullivan, Amy P., Weber, Rodney J., Green, Jaime R., Fiddler, Marc N., Bililign, Solomon, Campos, Teresa L., Stell, Meghan, Weinheimer, Andrew J., Montzka, Denise D., Brown, Steven S.

“…Sulfate ( SO 4 2 − ) and nitrate ( NO 3 − ) account for half of the fine particulate matter mass over the eastern United States. Their wintertime…”
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High- and low-temperature pyrolysis profiles describe volatile organic compound emissions from western US wildfire fuels by Sekimoto, Kanako, Koss, Abigail R, Gilman, Jessica B, Selimovic, Vanessa, Coggon, Matthew M, Zarzana, Kyle J, Yuan, Bin, Lerner, Brian M, Brown, Steven S, Warneke, Carsten, Yokelson, Robert J, Roberts, James M, de Gouw, Joost

“…Biomass burning is a large source of volatile organic compounds (VOCs) and many other trace species to the atmosphere, which can act as precursors to secondary…”
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A large atomic chlorine source inferred from mid-continental reactive nitrogen chemistry by Quinn, Patricia K, Wagner, Nicholas L, Middlebrook, Ann M, Dubé, William P, Cozic, Julie, Brown, Steven S, Wolfe, Glenn M, Kercher, James P, Alexander, Becky, Riedel, Theran P, Thornton, Joel A, Holloway, John S

“…Halogen atoms and oxides are highly reactive and can profoundly affect atmospheric composition. Chlorine atoms can decrease the lifetimes of gaseous elemental…”
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Heterogeneous Atmospheric Chemistry, Ambient Measurements, and Model Calculations of N2O5: A Review by Chang, Wayne L., Bhave, Prakash V., Brown, Steven S., Riemer, Nicole, Stutz, Jochen, Dabdub, Donald

“…For several decades, dinitrogen pentoxide (N 2 O 5 ) has been recognized as an important reactive intermediate in the atmospheric chemistry of nitrogen oxides…”
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Observations of nitryl chloride and modeling its source and effect on ozone in the planetary boundary layer of southern China by Wang, Tao, Tham, Yee Jun, Xue, Likun, Li, Qinyi, Zha, Qiaozhi, Wang, Zhe, Poon, Steven C. N., Dubé, William P., Blake, Donald R., Louie, Peter K. K., Luk, Connie W. Y., Tsui, Wilson, Brown, Steven S.

“…Nitryl chloride (ClNO2) plays potentially important roles in atmospheric chemistry, but its abundance and effect are not fully understood due to the small…”
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The nitrogen budget of laboratory-simulated western US wildfires during the FIREX 2016 Fire Lab study by Roberts, James M, Stockwell, Chelsea E, Yokelson, Robert J, de Gouw, Joost, Liu, Yong, Selimovic, Vanessa, Koss, Abigail R, Sekimoto, Kanako, Coggon, Matthew M, Yuan, Bin, Zarzana, Kyle J, Brown, Steven S, Santin, Cristina, Doerr, Stefan H, Warneke, Carsten

“…Reactive nitrogen (Nr, defined as all nitrogen-containing compounds except for N2 and N2O) is one of the most important classes of compounds emitted from…”
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Nocturnal loss and daytime source of nitrous acid through reactive uptake and displacement by VandenBoer, Trevor C., Young, Cora J., Talukdar, Ranajit K., Markovic, Milos Z., Brown, Steven S., Roberts, James M., Murphy, Jennifer G.

“…The nature of daytime sources and night-time sinks of nitrous acid is a key uncertainty in understanding atmospheric oxidation and radical cycling. The…”
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Nitryl Chloride and Molecular Chlorine in the Coastal Marine Boundary Layer by Riedel, Theran P, Bertram, Timothy H, Crisp, Timia A, Williams, Eric J, Lerner, Brian M, Vlasenko, Alexander, Li, Shao-Meng, Gilman, Jessica, de Gouw, Joost, Bon, Daniel M, Wagner, Nicholas L, Brown, Steven S, Thornton, Joel A

“…The magnitude and sources of chlorine atoms in marine air remain highly uncertain but have potentially important consequences for air quality in polluted…”
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Regime‐Dependence of Nocturnal Nitrate Formation via N2O5 Hydrolysis and Its Implication for Mitigating Nitrate Pollution by Ma, Pengkun, Quan, Jiannong, Dou, Youjun, Pan, Yubing, Liao, Zhiheng, Cheng, Zhigang, Jia, Xingcan, Wang, Qianqian, Zhan, Junlei, Ma, Wei, Zheng, Feixue, Wang, Yuzheng, Zhang, Yusheng, Hua, Chenjie, Yan, Chao, Kulmala, Markku, Liu, Yangang, Huang, Xin, Yuan, Bin, Brown, Steven S., Liu, Yongchun

“…The heterogeneous hydrolysis of dinitrogen pentoxide (N2O5) is an important pathway in nitrate formation; however, its formation rate and relative contribution…”
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Secondary formation of nitrated phenols: insights from observations during the Uintah Basin Winter Ozone Study (UBWOS) 2014 by Yuan, Bin, Liggio, John, Wentzell, Jeremy, Li, Shao-Meng, Stark, Harald, Roberts, James M, Gilman, Jessica, Lerner, Brian, Warneke, Carsten, Li, Rui, Leithead, Amy, Osthoff, Hans D, Wild, Robert, Brown, Steven S, de Gouw, Joost A

“…We describe the results from online measurements of nitrated phenols using a time-of-flight chemical ionization mass spectrometer (ToF-CIMS) with acetate as…”
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Glyoxal Yield from Isoprene Oxidation and Relation to Formaldehyde: Chemical Mechanism, Constraints from SENEX Aircraft Observations, and Interpretation of OMI Satellite Data by Miller, Christopher Chan, Jacob, Daniel J., Marais, Eloise A., Yu, Karen, Travis, Katherine R., Kim, Patrick S., Fisher, Jenny A., Zhu, Lei, Wolfe, Glenn M., Hanisco, Thomas F., Keutsch, Frank N., Kaiser, Jennifer, Min, Kyung-Eun, Brown, Steven S., Washenfelder, Rebecca A., Gonzalez Abad, Gonzalo, Chance, Kelly

“…Glyoxal (CHOCHO) is produced in the atmosphere by the oxidation of volatile organic compounds(VOCs). Like formaldehyde (HCHO), another VOC oxidation product,…”
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Absorption Spectroscopy in High-Finesse Cavities for Atmospheric Studies by Brown, Steven S

“…The principle behind cavity ring-down spectroscopy and related spectroscopies are described. Currently published reports on high-finesse cavity absorption…”
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OH reactivity at a rural site (Wangdu) in the North China Plain: contributions from OH reactants and experimental OH budget by Fuchs, Hendrik, Tan, Zhaofeng, Lu, Keding, Bohn, Birger, Broch, Sebastian, Brown, Steven S, Dong, Huabin, Gomm, Sebastian, Häseler, Rolf, He, Lingyan, Hofzumahaus, Andreas, Holland, Frank, Li, Xin, Liu, Ying, Lu, Sihua, Min, Kyung-Eun, Rohrer, Franz, Shao, Min, Wang, Baolin, Wang, Ming, Wu, Yusheng, Zeng, Limin, Zhang, Yinson, Wahner, Andreas, Zhang, Yuanhang

“…In 2014, a large, comprehensive field campaign was conducted in the densely populated North China Plain. The measurement site was located in a botanic garden…”
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Emissions of Glyoxal and Other Carbonyl Compounds from Agricultural Biomass Burning Plumes Sampled by Aircraft by Zarzana, Kyle J, Min, Kyung-Eun, Washenfelder, Rebecca A, Kaiser, Jennifer, Krawiec-Thayer, Mitchell, Peischl, Jeff, Neuman, J. Andrew, Nowak, John B, Wagner, Nicholas L, Dubè, William P, St. Clair, Jason M, Wolfe, Glenn M, Hanisco, Thomas F, Keutsch, Frank N, Ryerson, Thomas B, Brown, Steven S

“…We report enhancements of glyoxal and methylglyoxal relative to carbon monoxide and formaldehyde in agricultural biomass burning plumes intercepted by the NOAA…”
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