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    Academic Journals

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• FORest Canopy Atmosphere Transfer (FORCAsT) 2.0: model updates and evaluation with observations at a mixed forest site.

  Authors:Dandan Wei, Hariprasad D. Alwe, Dylan B. Millet, Brandon Bottorff, Michelle Lew, Philip S. Stevens, et al.From:Geoscientific Model Development (Vol. 14, Issue 10) Peer-Reviewed

  Oct. 21, 2021374 words Brief article The FORCAsT (FORest Canopy Atmosphere Transfer) model version 1.0 is updated to FORCAsT 2.0 by implementing five major changes, including (1) a change to the operator splitting, separating chemistry from emission and dry...

• Assessing urban methane emissions using column-observing portable Fourier transform infrared (FTIR) spectrometers and a novel Bayesian inversion framework.

  Authors:Taylor S. Jones, Jonathan E. Franklin, Jia Chen, Florian Dietrich, Kristian D. Hajny, Johannes C. Paetzold, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 17) Peer-Reviewed

  Sept. 6, 2021374 words Brief article Cities represent a large and concentrated portion of global greenhouse gas emissions, including methane. Quantifying methane emissions from urban areas is difficult, and inventories made using bottom-up accounting...

• Direct measurement of pH in individual particles via Raman microspectroscopy and variation in acidity with relative humidity

  Authors:Joel D. Rindelaub, Rebecca L. Craig, Lucy Nandy, Amy L. Bondy, Cari S. Dutcher, Paul B. Shepson, et al.From:Journal of Physical Chemistry A (Vol. 120, Issue 6) Peer-Reviewed

  Feb. 18, 2016 Report

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• Reconciling divergent estimates of oil and gas methane emissions

  Authors:Daniel Zavala-Araiza, David R. Lyon, Ramon A. Alvarez, Kenneth J. Davis, Robert Harriss, Scott C. Herndon, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 112, Issue 51) Peer-Reviewed

  Dec. 22, 20156,259 words Report 1580L

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• Development of a proton-transfer reaction-linear ion trap mass spectrometer for quantitative determination of volatile organic compounds

  Authors:Levi H. Mielke, David E. Erickson, Scott A. McLuckey, Markus Muller, Armin Wisthaler, Armin Hansel, et al.From:Analytical Chemistry (Vol. 80, Issue 21) Peer-Reviewed

  Nov. 1, 2008220 words Author abstract, Rep...

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• Halide affinity for the water-air interface in aqueous solutions of mixtures of sodium salts

  Authors:Ivan Gladich, Paul B. Shepson, Marcelo A. Carignano, and Igal SzleiferFrom:Journal of Physical Chemistry A (Vol. 115, Issue 23) Peer-Reviewed

  June 16, 2011 Report

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• pH-dependent production of molecular chlorine, bromine, and iodine from frozen saline surfaces

  Authors:John W. Halfacre, Paul B. Shepson, and Kerri A. PrattFrom:Atmospheric Chemistry and Physics (Vol. 19, Issue 7) Peer-Reviewed

  Apr. 11, 201943 words Author abstract, Bri... Byline: John W. Halfacre, Paul B. Shepson, Kerri A. Pratt To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• Bromine atom production and chain propagation during springtime Arctic ozone depletion events in Barrow, Alaska

  Authors:Chelsea R. Thompson, Paul B. Shepson, Jin Liao, L. Greg Huey, Chris Cantrell, Frank Flocke, et al.From:Atmospheric Chemistry and Physics (Vol. 2016, Issue 1) Peer-Reviewed

  Jan. 18, 2016274 words Brief article Ozone depletion events (ODEs) in the Arctic are primarily controlled by a bromine radical-catalyzed destruction mechanism that depends on the efficient production and recycling of Br atoms. Numerous laboratory and...

• Observations of bromine monoxide transport in the Arctic sustained on aerosol particles

  Authors:Peter K. Peterson, Holger Sihler, Johannes Zielcke, Stephan General, Ulrich Platt, William R. Simpson, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 12) Peer-Reviewed

  June 22, 2017337 words Brief article, Repor... The return of sunlight in the polar spring leads to the production of reactive halogen species from the surface snowpack, significantly altering the chemical composition of the Arctic near-surface atmosphere and the...

• Organic nitrate chemistry and its implications for nitrogen budgets in an isoprene- and monoterpene-rich atmosphere: constraints from aircraft (SEAC.sup.4RS) and ground-based (SOAS) observations in the Southeast US

  Authors:Jenny A. Fisher, Daniel J. Jacob, Katherine R. Travis, Patrick S. Kim, Eloise A. Marais, Christopher Chan Miller, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 9) Peer-Reviewed

  May 17, 2016279 words Brief article Formation of organic nitrates (RONO.sub.2) during oxidation of biogenic volatile organic compounds (BVOCs: isoprene, monoterpenes) is a significant loss pathway for atmospheric nitrogen oxide radicals (NO.sub.x ), but...

• Photochemical degradation of isoprene-derived 4,1-nitrooxy enal

  Authors:Fulizi Xiong, Carlos H. Borca, Lyudmila V. Slipchenko, and Paul B. ShepsonFrom:Atmospheric Chemistry and Physics (Vol. 16, Issue 9) Peer-Reviewed

  May 4, 2016233 words Brief article In isoprene-impacted environments, carbonyl nitrates are produced from NO.sub.3 -initiated isoprene oxidation, which constitutes a potentially important NO.sub.x reservoir. To better understand the fate of isoprene...

• Highly functionalized organic nitrates in the southeast United States: contribution to secondary organic aerosol and reactive nitrogen budgets

  Authors:Ben H. Lee, Claudia Mohr, Felipe D. Lopez-Hilfiker, Anna Lutz, Mattias Hallquist, Lance Lee, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 113, Issue 6) Peer-Reviewed

  Feb. 9, 20167,023 words Report 1570L

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• Determination of the hydroxy nitrate yields from the reaction of C2-C6 alkenes with OH in the presence of NO

  Authors:Jason M. O'Brien, Eva Czuba, Donald R. Hastie, Joseph S. Francisco, and Paul B. ShepsonFrom:Journal of Physical Chemistry A (Vol. 102, Issue 45) Peer-Reviewed

  Nov. 5, 199885 words Article

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• Toward a better understanding and quantification of methane emissions from shale gas development

  Authors:Dana R. Caulton, Paul B. Shepson, Renee L. Santoro, Jed P. Sparks, Robert W. Howarth, Anthony R. Ingraffe, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 111, Issue 17) Peer-Reviewed

  Apr. 29, 2014181 words Author abstract, Rep...

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• Snowpack production of formaldehyde and its effect on the Arctic troposphere

  Authors:Ann Louise Sumner and Paul B. ShepsonFrom:NaturePeer-Reviewed

  Mar. 18, 199984 words Article

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• Quantitative determination of biogenic volatile organic compounds in the atmosphere using proton-transfer reaction linear ion trap mass spectrometry

  Authors:Levi H. Mielke, Kerri A. Pratt, Paul B. Shepson, Scott A. McLuckey, Armin Wisthaler, and Armin HanselFrom:Analytical Chemistry (Vol. 82, Issue 19) Peer-Reviewed

  Oct. 1, 2010216 words Author abstract, Rep...

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• Active molecular iodine photochemistry in the Arctic

  Authors:Angela R.W. Raso, Kyle D. Custard, Nathaniel W. May, David Tanner, Matt K. Newburn, Lawrence Walker, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 114, Issue 38) Peer-Reviewed

  Sept. 19, 20177,038 words Report 1530L

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• Gas chromatographic detector for selective and sensitive detection of atmospheric organic nitrates

  Authors:Cunsheng Hao, Paul B. Shepson, John W. Drummond, and Kayambu MuthuramuFrom:Analytical Chemistry (Vol. 66, Issue 21) Peer-Reviewed

  Nov. 1, 1994234 words Article

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• The Role of [Br.sub.2] and BrCl in Surface Ozone Destruction at Polar Sunrise

  Authors:Krishna L. Foster, Robert A. Plastridge, Jan W. Bottenheim, Paul B. Shepson, Barbara J. Finlayson-Pitts, and Chester W. SpicerFrom:Science (Vol. 291, Issue 5503) Peer-Reviewed

  Jan. 19, 20013,466 words Article Bromine atoms are believed to play a central rote in the depletion of surface-level ozone in the Arctic at polar sunrise. [Br.sub.2], BrCl, and HOBr have been hypothesized as bromine atom precursors, and there is...

• The production and hydrolysis of organic nitrates from OH radical oxidation of β-ocimene.

  Authors:Ana C. Morales, Thilina Jayarathne, Jonathan H. Slade, Alexander Laskin, and Paul B. ShepsonFrom:Atmospheric Chemistry and Physics (Vol. 21, Issue 1) Peer-Reviewed

  Jan. 8, 2021469 words Article Biogenic volatile organic compounds (BVOCs) emitted by plants represent the largest source of non-methane hydrocarbon emissions on Earth. Photochemical oxidation of BVOCs represents a significant pathway in the...