J. D. Allan, A. E. Delia, H. Coe, K. N. Bower, M. R. Alfarra et al., A generalised method for the extraction of chemically resolved mass spectra from Aerodyne aerosol mass spectrometer data, Journal of Aerosol Science, vol.35, issue.7, pp.909-922, 2004.
DOI : 10.1016/j.jaerosci.2004.02.007

J. D. Allan, W. T. Morgan, E. Darbyshire, M. J. Flynn, P. I. Williams et al., Airborne observations of IEPOX-derived isoprene SOA in the Amazon during SAMBBA, Atmos. Chem. Phys, vol.145194, issue.10, pp.11393-11407, 2014.

R. Bahreini, E. J. Dunlea, B. M. Matthew, C. Simons, K. S. Docherty et al., Design and Operation of a Pressure-Controlled Inlet for Airborne Sampling with an Aerodynamic Aerosol Lens, Aerosol Science and Technology, vol.42, issue.6, pp.465-471, 2008.
DOI : 10.1080/02786820252883856

J. Bechara, A. Borbon, C. Jambert, A. Colomb, P. et al., Evidence of the impact of deep convection on reactive Volatile Organic Compounds in the upper tropical troposphere during the AMMA experiment in West Africa, Atmos. Chem. Phys, vol.105194, issue.10, pp.10321-10334, 2010.
URL : https://hal.archives-ouvertes.fr/hal-00986892

J. Brito, L. V. Rizzo, W. T. Morgan, H. Coe, B. Johnson et al., Ground-based aerosol characterization during the South American Biomass Burning Analysis (SAMBBA) field experiment, Atmos. Chem. Phys, vol.145194, issue.10, pp.12069-12083, 2014.
DOI : 10.5194/acp-14-12069-2014
URL : http://doi.org/10.5194/acp-14-12069-2014

S. S. Brown and J. Stutz, Nighttime radical observations and chemistry, Chemical Society Reviews, vol.91, issue.suppl. 1, pp.6405-6447, 2012.
DOI : 10.1021/j100290a055

E. A. Bruns, V. Perraud, A. Zelenyuk, M. J. Ezell, S. N. Johnson et al., Comparison of FTIR and Particle Mass Spectrometry for the Measurement of Particulate Organic Nitrates, Environmental Science & Technology, vol.44, issue.3, pp.1056-1061, 2010.
DOI : 10.1021/es9029864

S. Oxidant and A. Study, SOAS) at the Look Rock, Tennessee ground site, Atmos. Chem. Phys, vol.155194, issue.10, pp.8871-8888, 2015.

M. R. Canagaratna, J. L. Jimenez, J. H. Kroll, Q. Chen, S. H. Kessler et al., Elemental ratio measurements of organic compounds using aerosol mass spectrometry: characterization, improved calibration, and implications, Atmos. Chem. Phys, vol.155194, issue.10, pp.253-272, 2015.

G. Capes, J. G. Murphy, C. E. Reeves, J. B. Mcquaid, J. F. Hamilton et al., Secondary organic aerosol from biogenic VOCs over West Africa during AMMA, Atmos. Chem. Phys, vol.95194, pp.3841-3850, 2009.
DOI : 10.5194/acp-9-3841-2009
URL : https://www.atmos-chem-phys.net/9/3841/2009/acp-9-3841-2009.pdf

M. Capouet and J. Müller, A group contribution method for estimating the vapour pressures of ??-pinene oxidation products, Atmospheric Chemistry and Physics, vol.6, issue.6, pp.1455-1467, 1455.
DOI : 10.5194/acp-6-1455-2006
URL : https://hal.archives-ouvertes.fr/hal-00295914

M. Claeys, B. Graham, G. Vas, W. Wang, R. Vermeylen et al., Formation of Secondary Organic Aerosols Through Photooxidation of Isoprene, Science, vol.303, issue.5661, pp.1173-1176, 2004.
DOI : 10.1126/science.1092805

N. De-oliveira-alves, A. T. Vessoni, A. Quinet, R. S. Fortunato, G. S. Kajitani et al., Biomass burning in the Amazon region causes DNA damage and cell death in human lung cells, Scientific Reports, vol.12, issue.1, 2017.
DOI : 10.1039/c3pp50023c

F. Drewnick, S. S. Hings, M. R. Alfarra, A. S. Prevot, and S. Borrmann, Aerosol quantification with the Aerodyne Aerosol Mass Spectrometer: detection limits and ionizer background effects, Atmos. Meas. Tech, vol.25194, issue.10, pp.33-46, 2009.
DOI : 10.5194/amtd-1-169-2008
URL : https://doi.org/10.5194/amtd-1-169-2008

K. Dzepina, C. Mazzoleni, P. Fialho, S. China, B. Zhang et al., Molecular characterization of free tropospheric aerosol collected at the Pico Mountain Observatory: a case study with a long-range transported biomass burning plume, Atmospheric Chemistry and Physics, vol.15, issue.9, pp.5047-5068, 2015.
DOI : 10.5194/acp-15-5047-2015-supplement

B. Ervens and R. Volkamer, Glyoxal processing by aerosol multiphase chemistry: towards a kinetic modeling framework of secondary organic aerosol formation in aqueous particles, Atmospheric Chemistry and Physics, vol.10, issue.17, pp.8219-8244, 2010.
DOI : 10.5194/acp-10-8219-2010

D. K. Farmer, A. Matsunaga, K. S. Docherty, J. D. Surratt, J. H. Seinfeld et al., Response of an aerosol mass spectrometer to organonitrates and organosulfates and implications for atmospheric chemistry, Proceedings of the National Academy of Sciences, vol.43, issue.8, pp.6670-6675, 2010.
DOI : 10.1021/es803534f

J. Ferreira, C. E. Reeves, J. G. Murphy, L. Garcia-carreras, D. J. Parker et al., Isoprene emissions modelling for West Africa: MEGAN model evaluation and sensitivity analysis, Atmospheric Chemistry and Physics, vol.10, issue.17, pp.8453-8467, 2010.
DOI : 10.5194/acp-10-8453-2010
URL : https://www.atmos-chem-phys.net/10/8453/2010/acp-10-8453-2010.pdf

C. Flamant, P. Knippertz, A. H. Fink, A. Akpo, B. Brooks et al., The Dynamics-Aerosol-Chemistry-Cloud Interactions in West Africa field campaign: Overview and research highlights, Bulletin of the American Meteorological Society, vol.99, pp.83-104, 2018.
DOI : 10.1175/BAMS-D-16-0256.1
URL : https://hal.archives-ouvertes.fr/insu-01564453

E. J. Freney, K. Sellegri, F. Canonaco, A. Colomb, A. Borbon et al., Characterizing the impact of urban emissions on regional aerosol particles: airborne measurements during the MEGAPOLI experiment, Atmos . Chem. Phys, vol.145194, issue.10, pp.1397-1412, 1397.

J. L. Fry, D. C. Draper, K. C. Barsanti, J. N. Smith, J. Ortega et al., Oxidation of Biogenic Hydrocarbons, Environmental Science & Technology, vol.48, issue.20, pp.11944-11953, 2014.
DOI : 10.1021/es502204x

M. Hallquist, J. C. Wenger, U. Baltensperger, Y. Rudich, D. Simpson et al., The formation, properties and impact of secondary organic aerosol: current and emerging issues, Atmos. Chem. Phys, vol.95194, pp.5155-5236, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00431138

M. C. Hansen, P. V. Potapov, R. Moore, M. Hancher, S. A. Turubanova et al., High-Resolution Global Maps of 21st-Century Forest Cover Change, Science, vol.2, issue.5583, pp.850-853, 2013.
DOI : 10.4155/cmt.11.18

C. L. Heald, H. Coe, J. L. Jimenez, R. J. Weber, R. Bahreini et al., Exploring the vertical profile of atmospheric organic aerosol: comparing 17 aircraft field campaigns with a global model, Atmos. Chem. Phys, vol.11105194, pp.12673-12696, 2011.

M. L. Hinks, M. V. Brady, H. Lignell, M. Song, J. W. Grayson et al., Effect of viscosity on photodegradation rates in complex secondary organic aerosol materials, Physical Chemistry Chemical Physics, vol.35, issue.13, pp.8785-8793, 2016.
DOI : 10.1002/chin.200419246

W. W. Hu, P. Campuzano-jost, B. B. Palm, D. A. Day, A. M. Ortega et al., Characterization of a real-time tracer for isoprene epoxydiols-derived secondary organic aerosol (IEPOX?SOA) from aerosol mass spectrometer measurements, Atmos. Chem. Phys, vol.155194, pp.11807-11833, 2015.

J. Brito, Assessing the role of anthropogenic and biogenic sources on PM 1
URL : https://hal.archives-ouvertes.fr/insu-01575042

M. I. Jacobs, W. J. Burke, and M. J. Elrod, Kinetics of the reactions of isoprene-derived hydroxynitrates: gas phase epoxide formation and solution phase hydrolysis, Atmos. Chem. Phys, vol.14105194, pp.8933-8946, 2014.

A. Kiendler-scharr, A. A. Mensah, E. Friese, D. Topping, E. Nemitz et al., Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol, Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol, pp.7735-7744, 2016.
DOI : 10.1029/2007GL029979

H. G. Kjaergaard, H. C. Knap, K. B. Ørnsø, S. Jørgensen, J. D. Crounse et al., Atmospheric Fate of Methacrolein. 2. Formation of Lactone and Implications for Organic Aerosol Production, The Journal of Physical Chemistry A, vol.116, issue.24, pp.5763-5768, 2012.
DOI : 10.1021/jp210853h

P. Knippertz, H. Coe, J. C. Chiu, M. J. Evans, A. H. Fink et al., The DACCIWA Project: Dynamics???Aerosol???Chemistry???Cloud Interactions in West Africa, Bulletin of the American Meteorological Society, vol.96, issue.9, pp.1451-1460, 2015.
DOI : 10.1175/BAMS-D-14-00108.1
URL : https://hal.archives-ouvertes.fr/hal-01113343

P. Knippertz, M. J. Evans, P. R. Field, A. H. Fink, C. Liousse et al., The possible role of local air pollution in climate change in West Africa, Nature Climate Change, vol.112, issue.9, pp.815-822, 2015.
DOI : 10.1175/2008BAMS2436.1

P. Knippertz, A. H. Fink, A. Deroubaix, E. Morris, F. Tocquer et al., A meteorological and chemical overview of the DACCIWA field campaign in West Africa, Atmos. Chem. Phys, vol.17105194, pp.10893-10918, 2016.
URL : https://hal.archives-ouvertes.fr/insu-01518455

J. E. Krechmer, M. M. Coggon, P. Massoli, T. B. Nguyen, J. D. Crounse et al., Formation of Low Volatility Organic Compounds and Secondary Organic Aerosol from Isoprene Hydroxyhydroperoxide Low-NO Oxidation, Environmental Science & Technology, vol.49, issue.17, pp.10330-10339, 2015.
DOI : 10.1021/acs.est.5b02031

M. Kuwata, S. R. Zorn, M. , and S. T. , Using Elemental Ratios to Predict the Density of Organic Material Composed of Carbon, Hydrogen, and Oxygen, Environmental Science & Technology, vol.46, issue.2, pp.787-794, 2012.
DOI : 10.1021/es202525q

M. Kuwata, Y. Liu, K. Mckinney, M. , and S. T. , Physical state and acidity of inorganic sulfate can regulate the production of secondary organic material from isoprene photooxidation products, Physical Chemistry Chemical Physics, vol.11, issue.8, pp.5670-5678, 2015.
DOI : 10.5194/acp-11-6411-2011

T. Lebel, D. J. Parker, C. Flamant, B. Bourlès, B. Marticorena et al., The AMMA field campaigns: multiscale and multidisciplinary observations in the West African region, Quarterly Journal of the Royal Meteorological Society, vol.132, issue.s1, pp.8-33, 2010.
DOI : 10.1002/qj.486
URL : https://hal.archives-ouvertes.fr/hal-00605940

J. Lelieveld, T. M. Butler, J. N. Crowley, T. J. Dillon, H. Fischer et al., Atmospheric oxidation capacity sustained by a tropical forest, Nature, vol.104, issue.7188, pp.737-740, 2008.
DOI : 10.1021/jp048873t

D. R. Lide, CRC Handbook of chemistry and physics. A ready-reference book of chemical and physical data, Boca Raton, 1991.

Y. Lin, E. M. Knipping, E. S. Edgerton, S. L. Shaw, and J. D. Surratt, Investigating the influences of SO₂ and NH₃ levels on isoprene-derived secondary organic aerosol formation using conditional sampling approaches, Atmospheric Chemistry and Physics, vol.13, issue.16, pp.8457-8470, 2013.
DOI : 10.5194/acp-13-8457-2013-supplement

C. Liousse, E. Assamoi, P. Criqui, C. Granier, R. et al., Explosive growth in African combustion emissions from, Environ. Res. Lett, vol.9, issue.35003, 2005.
DOI : 10.1088/1748-9326/9/3/035003
URL : https://hal.archives-ouvertes.fr/hal-01317163

Y. Liu, M. Kuwata, K. A. Mckinney, M. , and S. T. , Uptake and release of gaseous species accompanying the reactions of isoprene photo-oxidation products with sulfate particles, Physical Chemistry Chemical Physics, vol.110, issue.3, pp.1595-1600, 2016.
DOI : 10.1021/jp061734m

Y. J. Liu, I. Herdlinger-blatt, K. A. Mckinney, M. , and S. T. , Production of methyl vinyl ketone and methacrolein via the hydroperoxyl pathway of isoprene oxidation, Atmospheric Chemistry and Physics, vol.13, issue.11, pp.5715-5730, 2013.
DOI : 10.5194/acp-13-5715-2013-supplement

E. A. Marais, D. J. Jacob, J. L. Jimenez, P. Campuzano-jost, D. A. Day et al., Aqueous-phase mechanism for secondary organic aerosol formation from isoprene: application to the Southeast United States and co-benefit of SO₂ emission controls, Atmospheric Chemistry and Physics Discussions, vol.15, issue.21, pp.1603-1618, 1603.
DOI : 10.5194/acpd-15-32005-2015

C. H. Mari, G. Cailley, L. Corre, M. Saunois, J. L. Attié et al., Tracing biomass burning plumes from the Southern Hemisphere during the AMMA 2006 wet season experiment, Atmos. Chem. Phys, vol.85194, issue.10, pp.3951-3961, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00330650

A. M. Middlebrook, R. Bahreini, J. L. Jimenez, and M. R. Canagaratna, Evaluation of Composition-Dependent Collection Efficiencies for the Aerodyne Aerosol Mass Spectrometer using Field Data, Aerosol Science and Technology, vol.54, issue.3, pp.258-271, 2011.
DOI : 10.1080/02786820490479833

J. G. Murphy, D. E. Oram, and C. E. Reeves, Measurements of volatile organic compounds over West Africa, Atmospheric Chemistry and Physics, vol.10, issue.12, pp.5281-5294, 2010.
DOI : 10.5194/acp-10-5281-2010

T. Nah, J. Sanchez, C. M. Boyd, and N. L. Ng, Photochemical Aging of ??-pinene and ??-pinene Secondary Organic Aerosol formed from Nitrate Radical Oxidation, Environmental Science & Technology, vol.50, issue.1, pp.222-231, 2016.
DOI : 10.1021/acs.est.5b04594

N. L. Ng, S. S. Brown, A. T. Archibald, E. Atlas, R. C. Cohen et al., Nitrate radicals and biogenic volatile organic compounds: oxidation, mechanisms , and organic aerosol, Atmos. Chem. Phys, vol.175194, pp.2103-2162, 2017.
DOI : 10.5194/acp-2016-734
URL : https://doi.org/10.5194/acp-2016-734

T. B. Nguyen, K. H. Bates, J. D. Crounse, R. H. Schwantes, X. Zhang et al., Mechanism of the hydroxyl radical oxidation of methacryloyl peroxynitrate (MPAN) and its pathway toward secondary organic aerosol formation in the atmosphere, Physical Chemistry Chemical Physics, vol.14, issue.27, pp.17914-17926, 2015.
DOI : 10.5194/acp-14-10911-2014

P. Paatero and U. Tapper, Positive matrix factorization: A non-negative factor model with optimal utilization of error estimates of data values, Environmetrics, vol.18, issue.2, pp.111-126, 1994.
DOI : 10.1007/978-3-642-93295-3_112

K. Park, D. B. Kittelson, M. R. Zachariah, and P. H. Mcmurry, Measurement of Inherent Material Density of Nanoparticle Agglomerates, Journal of Nanoparticle Research, vol.6, issue.2/3, pp.267-272, 2004.
DOI : 10.1023/B:NANO.0000034657.71309.e6

V. Perraud, E. A. Bruns, M. J. Ezell, S. N. Johnson, Y. Yu et al., Nonequilibrium atmospheric secondary organic aerosol formation and growth, Proceedings of the National Academy of Sciences, vol.103, issue.43, pp.2836-2841, 2012.
DOI : 10.1029/97JD02796
URL : http://www.pnas.org/content/109/8/2836.full.pdf

C. E. Reeves, P. Formenti, C. Afif, G. Ancellet, J. Attié et al., Chemical and aerosol characterisation of the troposphere over West Africa during the monsoon period as part of AMMA, Atmos. Chem. Phys, vol.105194, pp.7575-7601, 2010.
URL : https://hal.archives-ouvertes.fr/hal-00469942

M. Riva, S. H. Budisulistiorini, Y. Chen, Z. Zhang, E. L. D-'ambro et al., Chemical Characterization of Secondary Organic Aerosol from Oxidation of Isoprene Hydroxyhydroperoxides, Environmental Science & Technology, vol.50, issue.18, pp.9889-9899, 2016.
DOI : 10.1021/acs.est.6b02511

N. H. Robinson, J. F. Hamilton, J. D. Allan, B. Langford, D. E. Oram et al., Evidence for a significant proportion of Secondary Organic Aerosol from isoprene above a maritime tropical forest, Atmos . Chem. Phys, vol.115194, issue.10, pp.1039-1050, 1039.

M. Shrivastava, C. D. Cappa, J. Fan, A. H. Goldstein, A. B. Guenther et al., Recent advances in understanding secondary organic aerosol: Implications for global climate forcing, Reviews of Geophysics, vol.119, issue.8, pp.509-559, 2017.
DOI : 10.1002/2013JD021114

C. Struckmeier, F. Drewnick, F. Fachinger, G. P. Gobbi, and S. Borrmann, Atmospheric aerosols in Rome, Italy: sources, dynamics and spatial variations during two seasons, Atmos. Chem. Phys, vol.165194, issue.10, pp.15277-15299, 2016.
DOI : 10.5194/acp-16-15277-2016
URL : http://doi.org/10.5194/acp-16-15277-2016

J. D. Surratt, A. W. Chan, N. C. Eddingsaas, M. Chan, C. L. Loza et al., Reactive intermediates revealed in secondary organic aerosol formation from isoprene, Proceedings of the National Academy of Sciences, vol.103, issue.15, pp.6640-6645, 2010.
DOI : 10.1029/98JD00320

I. M. Ulbrich, M. R. Canagaratna, Q. Zhang, D. R. Worsnop, and J. L. Jimenez, Interpretation of organic components from Positive Matrix Factorization of aerosol mass spectrometric data, Atmos . Chem. Phys, vol.95194, issue.10, pp.2891-2918, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00303447

S. K. Verma, K. Kawamura, J. Chen, P. Fu, and C. Zhu, Thirteen years of observations on biomass burning organic tracers over Chichijima Island in the western North Pacific: An outflow region of Asian aerosols, Journal of Geophysical Research: Atmospheres, vol.15, issue.31, pp.4155-4168, 2015.
DOI : 10.5194/acp-15-1959-2015

L. Xu, S. Suresh, H. Guo, R. J. Weber, and N. L. Ng, Aerosol characterization over the southeastern United States using high-resolution aerosol mass spectrometry: spatial and seasonal variation of aerosol composition and sources with a fowww .atmos-chem-phys.net, Atmos. Chem. Phys, vol.757, issue.18, pp.757-772, 2018.

L. Xu, A. M. Middlebrook, J. Liao, J. A. De-gouw, H. Guo et al., Enhanced formation of isoprene-derived organic aerosol in sulfur-rich power plant plumes during Southeast Nexus, Journal of Geophysical Research: Atmospheres, vol.112, issue.1, pp.11137-11153, 2016.
DOI : 10.1073/pnas.1417609112

J. K. Zhang, M. T. Cheng, D. S. Ji, Z. R. Liu, B. Hu et al., Characterization of submicron particles during biomass burning and coal combustion periods in Beijing, China, Science of The Total Environment, vol.562, pp.812-821, 2016.
DOI : 10.1016/j.scitotenv.2016.04.015

Q. Zhang, J. L. Jimenez, M. R. Canagaratna, I. M. Ulbrich, N. L. Ng et al., Understanding atmospheric organic aerosols via factor analysis of aerosol mass spectrometry: a review, Analytical and Bioanalytical Chemistry, vol.37, issue.6, pp.3045-3067, 2011.
DOI : 10.1029/2010GL043337