Articles | Volume 21, issue 17
Atmos. Chem. Phys., 21, 12965–12988, 2021
https://doi.org/10.5194/acp-21-12965-2021
Atmos. Chem. Phys., 21, 12965–12988, 2021
https://doi.org/10.5194/acp-21-12965-2021

Measurement report 01 Sep 2021

Measurement report | 01 Sep 2021

Measurement report: Source apportionment of volatile organic compounds at the remote high-altitude Maïdo observatory

Bert Verreyken et al.

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Cited articles

Amelynck, C., Schoon, N., and Verreyken, B.: Long-Term in Situ (O)VOC Measurements at the Maïdo Observatory (Reunion Island), Royal Belgian Institute for Space Aeronomy (BIRA-IASB) [data set], https://doi.org/10.18758/71021061, 2021. a
Andreae, M. O.: Emission of trace gases and aerosols from biomass burning – an updated assessment, Atmos. Chem. Phys., 19, 8523–8546, https://doi.org/10.5194/acp-19-8523-2019, 2019. a
Baasandorj, M., Millet, D. B., Hu, L., Mitroo, D., and Williams, B. J.: Measuring acetic and formic acid by proton-transfer-reaction mass spectrometry: sensitivity, humidity dependence, and quantifying interferences, Atmos. Meas. Tech., 8, 1303–1321, https://doi.org/10.5194/amt-8-1303-2015, 2015. a, b, c
Baldy, S., Ancellet, G., Bessafi, M., Badr, A., and Luk, D. L. S.: Field Observations of the Vertical Distribution of Tropospheric Ozone at the Island of Reunion (Southern Tropics), J. Geophys. Res.-Atmos., 101, 23835–23849, https://doi.org/10.1029/95JD02929, 1996. a, b
Baray, J.-L., Courcoux, Y., Keckhut, P., Portafaix, T., Tulet, P., Cammas, J.-P., Hauchecorne, A., Godin Beekmann, S., De Mazière, M., Hermans, C., Desmet, F., Sellegri, K., Colomb, A., Ramonet, M., Sciare, J., Vuillemin, C., Hoareau, C., Dionisi, D., Duflot, V., Vérèmes, H., Porteneuve, J., Gabarrot, F., Gaudo, T., Metzger, J.-M., Payen, G., Leclair de Bellevue, J., Barthe, C., Posny, F., Ricaud, P., Abchiche, A., and Delmas, R.: Maïdo observatory: a new high-altitude station facility at Reunion Island (21° S, 55° E) for long-term atmospheric remote sensing and in situ measurements, Atmos. Meas. Tech., 6, 2865–2877, https://doi.org/10.5194/amt-6-2865-2013, 2013. a, b, c, d, e, f
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Short summary
We present a 2-year dataset of trace gas concentrations, specifically an array of volatile organic compounds (VOCs), recorded at the Maïdo observatory, a remote tropical high-altitude site located on a small island in the southwest Indian Ocean. We found that island-scale transport is an important driver for the daily cycle of VOC concentrations. During the day, surface emissions from the island affect the atmospheric composition at Maïdo greatly, while at night this impact is strongly reduced.
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