BAECC: A field campaign to elucidate the impact of biogenic aerosols on clouds and climate

During Biogenic Aerosols--Effects on Clouds and Climate (BAECC), the U.S. Department of Energy’s Atmospheric Radiation Measurement (ARM) Program deployed the Second ARM Mobile Facility (AMF2) to Hyytiälä, Finland, for an 8-month intensive measurement campaign from February to September 2014. The primary research goal is to understand the role of biogenic aerosols in cloud formation. Hyytiälä is host to the Station for Measuring Ecosystem-Atmosphere Relations II (SMEAR II), one of the world’s most comprehensive surface in situ observation sites in a boreal forest environment. The station has been measuring atmospheric aerosols, biogenic emissions, and an extensive suite of parameters relevant to atmosphere–biosphere interactions continuously since 1996. Combining vertical profiles from AMF2 with surface-based in situ SMEAR II observations allows the processes at the surface to be directly related to processes occurring throughout the entire tropospheric column. Together with the inclusion of extensive surface precipitation measurements and intensive observation periods involving aircraft flights and novel radiosonde launches, the complementary observations provide a unique opportunity for investigating aerosol–cloud interactions and cloud-to-precipitation processes in a boreal environment. The BAECC dataset provides opportunities for evaluating and improving models of aerosol sources and transport, cloud microphysical processes, and boundary layer structures. In addition, numerical models are being used to bridge the gap between surface-based and tropospheric observations.

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Author Petäjä, Tuukka
O’Connor, Ewan J.
Moisseev, Dmitri
Sinclair, Victoria A.
Manninen, Antti J.
Väänänen, Riikka
von Lerber, Annakaisa
Thornton, Joel A.
Nicoll, Keri
Petersen, Walt
Chandrasekar, V.
Smith, James N.
Winkler, Paul M.
Krüger, Olaf
Hakola, Hannele
Timonen, Hilkka
Brus, David
Laurila, Tuomas
Asmi, Eija
Riekkola, Marja-Liisa
Mona, Lucia
Massoli, Paola
Engelmann, Ronny
Komppula, Mika
Wang, Jian
Kuang, Chongai
Bäck, Jaana
Virtanen, Annele
Levula, Janne
Ritsche, Michael
Hickmon, Nicki
Publisher UCAR/NCAR - Library
Publication Date 2016-10-01T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T19:11:14.430655
Metadata Record Identifier edu.ucar.opensky::articles:19369
Metadata Language eng; USA
Suggested Citation Petäjä, Tuukka, O’Connor, Ewan J., Moisseev, Dmitri, Sinclair, Victoria A., Manninen, Antti J., Väänänen, Riikka, von Lerber, Annakaisa, Thornton, Joel A., Nicoll, Keri, Petersen, Walt, Chandrasekar, V., Smith, James N., Winkler, Paul M., Krüger, Olaf, Hakola, Hannele, Timonen, Hilkka, Brus, David, Laurila, Tuomas, Asmi, Eija, Riekkola, Marja-Liisa, Mona, Lucia, Massoli, Paola, Engelmann, Ronny, Komppula, Mika, Wang, Jian, Kuang, Chongai, Bäck, Jaana, Virtanen, Annele, Levula, Janne, Ritsche, Michael, Hickmon, Nicki. (2016). BAECC: A field campaign to elucidate the impact of biogenic aerosols on clouds and climate. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7h41t65. Accessed 26 March 2025.

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