Influx of African biomass burning aerosol during the Amazonian dry season through layered transatlantic transport of black carbon-rich smoke

Black carbon (BC) aerosols influence the Earth's atmosphere and climate, but their microphysical properties, spatiotemporal distribution, and long-range transport are not well constrained. This study presents airborne observations of the transatlantic transport of BC-rich African biomass burnin...

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Veröffentlicht in:	Atmospheric chemistry and physics 2020-04, Vol.20 (8), p.4757-4785
Hauptverfasser:	Holanda, Bruna A, Pöhlker, Mira L, Walter, David, Saturno, Jorge, Sörgel, Matthias, Ditas, Jeannine, Ditas, Florian, Schulz, Christiane, Franco, Marco Aurélio, Wang, Qiaoqiao, Donth, Tobias, Artaxo, Paulo, Barbosa, Henrique M. J, Borrmann, Stephan, Braga, Ramon, Brito, Joel, Cheng, Yafang, Dollner, Maximilian, Kaiser, Johannes W, Klimach, Thomas, Knote, Christoph, Krüger, Ovid O, Fütterer, Daniel, Lavric, JoÅ¡t V, Ma, Nan, Machado, Luiz A. T, Ming, Jing, Morais, Fernando G, Paulsen, Hauke, Sauer, Daniel, Schlager, Hans, Schneider, Johannes, Su, Hang, Weinzierl, Bernadett, Walser, Adrian, Wendisch, Manfred, Ziereis, Helmut, Zöger, Martin, Pöschl, Ulrich, Andreae, Meinrat O, Pöhlker, Christopher
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerosol concentrations Aerosol optical properties Aerosol-cloud interactions Aerosols Ageing Aging Airborne observation Aircraft Aircraft observations Albedo Altitude Atmospheric aerosols Atmospheric and Oceanic Physics Atmospheric transport Biomass Biomass burning Black carbon Boundary layers Burning Carbon Carbon aerosols Cloud condensation nuclei Clouds (Meteorology) Condensation nuclei Convective mixing Dry season Earth atmosphere Entrainment Environmental Sciences Fires Gases Global Changes Grasslands High altitude Humidity Hydrologic cycle Hydrological cycle Hydrology Long-range transport Mixing ratio Ocean, Atmosphere Optical properties Particle concentration Photochemicals Photochemistry Photometers Physics Pollution Pollution dispersion Pollution transport Research aircraft River basins Satellite observation Savannahs Sciences of the Universe Seasons Smoke Soot Spatial distribution Studies Temporal distribution Trace gases Transport
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Beschreibung
Zusammenfassung:	Black carbon (BC) aerosols influence the Earth's atmosphere and climate, but their microphysical properties, spatiotemporal distribution, and long-range transport are not well constrained. This study presents airborne observations of the transatlantic transport of BC-rich African biomass burning (BB) smoke into the Amazon Basin using a Single Particle Soot Photometer (SP2) as well as several complementary techniques. We base our results on observations of aerosols and trace gases off the Brazilian coast onboard the HALO (High Altitude and LOng range) research aircraft during the ACRIDICON-CHUVA campaign in September 2014.
ISSN:	1680-7324 1680-7316 1680-7324
DOI:	10.5194/acp-20-4757-2020