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ACPD - Special IssueBiosphere Effects on Aerosols and Photochemistry Experiment: BEARPEX
Editor(s): A. Guenther, J. Lelieveld, and J. WilliamsMore Information The Biosphere Effects on AeRosols and Photochemistry Experiment (BEARPEX) was a multi-investigator collaboration conducted as two eight week deployments, August–October 2007 and June–July 2009. The measurements were among the most comprehensive suite of gas and aerosol properties attempted at a single site. The project built on an extensive background of previous experiments in the foothills of the Sierra Nevada. Our goals were to develop an improved mechanistic understanding of chemical and ecological processes affecting atmospheric composition and to use this improved understanding to provide a clearer and more accurate evaluation of how chemical processing of biogenic and anthropogenic emissions affects the composition and radiative properties of the atmosphere on urban, regional and global scales. The experimental design paid particular attention to three crosscutting issues: a) chemistry downwind of urban areas where there is high VOC reactivity (due to emissions from forests) and low NOx, b) understanding the full oxidation sequence and subsequent fate of biogenic VOC and c) the processes leading to formation and removal of biogenic secondary organic aerosol (SOA) and the associated physical, chemical and optical properties of SOA. Results from the BEARPEX campaign will be published in this Special Issue of Atmospheric Chemistry and Physics. Eddy covariance fluxes of acyl peroxy nitrates (PAN, PPN, and MPAN) above a Ponderosa pine forest
G. M. Wolfe, R. L. N. Yatavelli, J. A. Thornton, M. McKay, A. H. Goldstein, B. LaFranchi, K.-E. Min, and R. C. Cohen
Atmos. Chem. Phys. Discuss., 8, 17495-17548, 2008
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| | 25 Sep 2008 | Methyl chavicol: characterization of its biogenic emission rate, abundance, and oxidation products in the atmosphere
N. C. Bouvier-Brown, A. H. Goldstein, D. R. Worton, D. M. Matross, J. B. Gilman, W. C. Kuster, D. Welsh-Bon, C. Warneke, J. A. de Gouw, T. M. Cahill, and R. Holzinger
Atmos. Chem. Phys. Discuss., 8, 19707-19741, 2008
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| | 19 Nov 2008 | Observations of NOx, ΣPNs, ΣANs, and HNO3 at a rural site in the California Sierra Nevada Mountains: summertime diurnal cycles
D. A. Day, D. K. Farmer, A. H. Goldstein, P. J. Wooldridge, C. Minejima, and R. C. Cohen
Atmos. Chem. Phys. Discuss., 9, 3435-3483, 2009
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| | 03 Feb 2009 | Closing the peroxy acetyl (PA) radical budget: observations of acyl peroxy nitrates (PAN, PPN, and MPAN) during BEARPEX 2007
B. W. LaFranchi, G. M. Wolfe, J. A. Thornton, S. A. Harrold, E. C. Browne, K. E. Min, P. J. Wooldridge, J. B. Gilman, W. C. Kuster, P. D. Goldan, J. A. deGouw, M. McKay, A. H. Goldstein, X. Ren, J. Mao, and R. C. Cohen
Atmos. Chem. Phys. Discuss., 9, 9879-9926, 2009
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| | 20 Apr 2009 | In-situ ambient quantification of monoterpenes, sesquiterpenes, and related oxygenated compounds during BEARPEX 2007 – implications for gas- and particle-phase chemistry
N. C. Bouvier-Brown, A. H. Goldstein, J. B. Gilman, W. C. Kuster, and J. A. de Gouw
Atmos. Chem. Phys. Discuss., 9, 10235-10269, 2009
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| | 23 Apr 2009 | Nitrogen oxide chemistry in an urban plume: investigation of the chemistry of peroxy and multifunctional organic nitrates with a Lagrangian model
I. M. Pérez, B. W. LaFranchi, and R. C. Cohen
Atmos. Chem. Phys. Discuss., 9, 27099-27165, 2009
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| | 16 Dec 2009 | Size-dependent aerosol deposition velocities during BEARPEX'07
R. J. Vong, I. J. Vong, D. Vickers, and D. S. Covert
Atmos. Chem. Phys. Discuss., 10, 4649-4672, 2010
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| | 16 Feb 2010 | Measurement of atmospheric nitrous acid at Blodgett Forest during BEARPEX2007
X. Ren, H. Gao, X. Zhou, J. D. Crounse, P. O. Wennberg, E. C. Browne, B. W. LaFranchi, R. C. Cohen, M. McKay, A. H. Goldstein, and J. Mao
Atmos. Chem. Phys. Discuss., 10, 7383-7419, 2010
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| | 22 Mar 2010 | Observations of elevated formaldehyde over a forest canopy suggest missing sources from rapid oxidation of arboreal hydrocarbons
W. Choi, I. C. Faloona, N. C. Bouvier-Brown, M. McKay, A. H. Goldstein, J. Mao, W. H. Brune, B. W. LaFranchi, R. C. Cohen, G. M. Wolfe, J. A. Thornton, D. M. Sonnenfroh, and D. B. Millet
Atmos. Chem. Phys. Discuss., 10, 9839-9893, 2010
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| | 16 Apr 2010 | The Chemistry of Atmosphere-Forest Exchange (CAFE) Model – Part 1: Model description and characterization
G. M. Wolfe and J. A. Thornton
Atmos. Chem. Phys. Discuss., 10, 21721-21790, 2010
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| | 20 Sep 2010 | The Chemistry of Atmosphere-Forest Exchange (CAFE) Model – Part 2: Application to BEARPEX-2007 observations
G. M. Wolfe, J. A. Thornton, N. C. Bouvier-Brown, A. H. Goldstein, J.-H. Park, M. McKay, D. M. Matross, J. Mao, W. H. Brune, B. W. LaFranchi, E. C. Browne, K.-E. Min, P. J. Wooldridge, R. C. Cohen, J. D. Crounse, I. C. Faloona, J. B. Gilman, W. C. Kuster, J. A. de Gouw, A. Huisman, and F. N. Keutsch
Atmos. Chem. Phys. Discuss., 10, 21791-21866, 2010
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| | 20 Sep 2010 | Estimating the atmospheric boundary layer height over sloped, forested terrain from surface spectral analysis during BEARPEX
W. Choi, I. C. Faloona, M. McKay, A. H. Goldstein, and B. Baker
Atmos. Chem. Phys. Discuss., 10, 25759-25801, 2010
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| | 02 Nov 2010 | Forest-atmosphere exchange of ozone: sensitivity to very reactive biogenic VOC emissions and implications for in-canopy photochemistry
G. M. Wolfe, J. A. Thornton, M. McKay, and A. H. Goldstein
Atmos. Chem. Phys. Discuss., 11, 13381-13424, 2011
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| | 03 May 2011 | Photochemical modeling of glyoxal at a rural site: observations and analysis from BEARPEX 2007
A. J. Huisman, J. R. Hottle, M. M. Galloway, J. P. DiGangi, K. L. Coens, W. S. Choi, I. C. Faloona, J. B. Gilman, W. C. Kuster, J. de Gouw, N. C. Bouvier-Brown, A. H. Goldstein, B. W. LaFranchi, R. C. Cohen, G. M. Wolfe, J. A. Thornton, K. S. Docherty, D. K. Farmer, M. J. Cubison, J. L. Jimenez, J. Mao, W. H. Brune, and F. N. Keutsch
Atmos. Chem. Phys. Discuss., 11, 13655-13691, 2011
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| | 05 May 2011 | Origins and composition of fine atmospheric carbonaceous aerosol in the Sierra Nevada Mountains, California
D. R. Worton, A. H. Goldstein, D. K. Farmer, K. S. Docherty, J. L. Jimenez, J. B. Gilman, W. C. Kuster, J. de Gouw, B. J. Williams, N. M. Kreisberg, S. V. Hering, G. Bench, M. McKay, K. Kristensen, M. Glasius, J. D. Surratt, and J. H. Seinfeld
Atmos. Chem. Phys. Discuss., 11, 17071-17125, 2011
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| | 20 Jun 2011 | Importance of biogenic precursors to the budget of organic nitrates during BEARPEX 2009: observations of multifunctional organic nitrates by CIMS and TD-LIF
M. R. Beaver, J. M. St. Clair, F. Paulot, K. M. Spencer, J. D. Crounse, B. W. LaFranchi, K. E. Min, S. E. Pusede, P. J. Woolridge, G. W. Schade, C. Park, R. C. Cohen, and P. O. Wennberg
Atmos. Chem. Phys. Discuss., 12, 319-349, 2012
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| | 04 Jan 2012 |
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