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    Academic Journals

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• Rapid cloud removal of dimethyl sulfide oxidation products limits S[O.sub.2] and cloud condensation nuclei production in the marine atmosphere.

  Authors:Gordon A. Novak, Charles H. Fite, Christopher D. Holmes, Patrick R. Veres, J. Andrew Neuman, Ian Faloona, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 118, Issue 42) Peer-Reviewed

  Oct. 19, 20217,908 words Report 1600L

   Abstract Only

• Ambient aerosol properties in the remote atmosphere from global-scale in situ measurements.

  Authors:Charles A. Brock, Karl D. Froyd, Maximilian Dollner, Christina J. Williamson, Gregory Schill, Daniel M. Murphy, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 19) Peer-Reviewed

  Oct. 8, 2021488 words Article In situ measurements of aerosol microphysical, chemical, and optical properties were made during global-scale flights from 2016-2018 as part of the Atmospheric Tomography Mission (ATom). The NASA DC-8 aircraft flew from...

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

  Authors:Bruna A. Holanda, Mira L. Pöhlker, David Walter, Jorge Saturno, Matthias Sörgel, Jeannine Ditas, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 8) Peer-Reviewed

  Apr. 24, 2020486 words Article 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...

• Aerosol characteristics and particle production in the upper troposphere over the Amazon Basin

  Authors:Meinrat O. Andreae, Armin Afchine, Rachel Albrecht, Bruna Amorim Holanda, Paulo Artaxo, Henrique M. J. Barbosa, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 2) Peer-Reviewed

  Jan. 25, 201834 words Brief article, Repor... Byline: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• The importance of size ranges in aerosol instrument intercomparisons: a case study for the Atmospheric Tomography Mission.

  Authors:Hongyu Guo, Pedro Campuzano-Jost, Benjamin A. Nault, Douglas A. Day, Jason C. Schroder, Dongwook Kim, et al.From:Atmospheric Measurement Techniques (Vol. 14, Issue 5) Peer-Reviewed

  May 20, 2021424 words Case study Aerosol intercomparisons are inherently complex as they convolve instrument-dependent detection efficiencies vs. size (which often change with pressure, temperature, or humidity) and variations in the sampled aerosol...

• Observationally constrained analysis of sea salt aerosol in the marine atmosphere

  Authors:Huisheng Bian, Karl Froyd, Daniel M. Murphy, Jack Dibb, Anton Darmenov, Mian Chin, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 16) Peer-Reviewed

  Aug. 26, 2019347 words Author abstract, Bri...

  Atmospheric sea salt plays important roles in marine cloud formation and atmospheric chemistry. We performed an integrated analysis of NASA GEOS model simulations run with the GOCART aerosol module, in situ...

• Aerosol size distributions during the Atmospheric Tomography Mission (ATom): methods, uncertainties, and data products

  Authors:Charles A. Brock, Christina Williamson, Agnieszka Kupc, Karl D. Froyd, Frank Erdesz, Nicholas Wagner, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 6) Peer-Reviewed

  June 6, 2019411 words Author abstract, Bri...

  From 2016 to 2018 a DC-8 aircraft operated by the US National Aeronautics and Space Administration (NASA) made four series of flights, profiling the atmosphere from 180 m to ∼12 km...

• The potential role of organics in new particle formation and initial growth in the remote tropical upper troposphere.

  Authors:Agnieszka Kupc, Christina J. Williamson, Anna L. Hodshire, Jan Kazil, Eric Ray, T. Paul Bui, et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 23) Peer-Reviewed

  Dec. 4, 2020580 words Article Global observations and model studies indicate that new particle formation (NPF) in the upper troposphere (UT) and subsequent particles supply 40 %-60 % of cloud condensation nuclei (CCN) in the lower troposphere, thus...

• Flow-induced errors in airborne in situ measurements of aerosols and clouds.

  Authors:Antonio Spanu, Maximilian Dollner, Josef Gasteiger, T. Paul Bui, and Bernadett WeinzierlFrom:Atmospheric Measurement Techniques (Vol. 13, Issue 4) Peer-Reviewed

  Apr. 17, 2020467 words Article Aerosols and clouds affect atmospheric radiative processes and climate in many complex ways and still pose the largest uncertainty in current estimates of the Earth's changing energy budget. Airborne in situ sensors...

• Measurement report: Balloon-borne in situ profiling of Saharan dust over Cyprus with the UCASS optical particle counter.

  Authors:Maria Kezoudi, Matthias Tesche, Helen Smith, Alexandra Tsekeri, Holger Baars, Maximilian Dollner, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 9) Peer-Reviewed

  May 5, 2021377 words Brief article This paper presents measurements of mineral dust concentration in the diameter range from 0.4 to 14.0 µm with a novel balloon-borne optical particle counter, the Universal Cloud and Aerosol Sounding System (UCASS). The...

• Large hemispheric difference in nucleation mode aerosol concentrations in the lowermost stratosphere at mid- and high latitudes.

  Authors:Christina J. Williamson, Agnieszka Kupc, Andrew Rollins, Jan Kazil, Karl D. Froyd, Eric A. Ray, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 11) Peer-Reviewed

  June 15, 2021322 words Brief article The details of aerosol processes and size distributions in the stratosphere are important for both heterogeneous chemistry and aerosol-radiation interactions. Using in situ, global-scale measurements of the size...

• Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere.

  Authors:Patrick R. Veres, J. Andrew Neuman, Timothy H. Bertram, Emmanuel Assaf, Glenn M. Wolfe, Christina J. Williamson, et al.From:Proceedings of the National Academy of Sciences of the United States (Vol. 117, Issue 9) Peer-Reviewed

  Mar. 3, 20205,097 words Article 1590L

   Abstract Only

• Profiles of cloud condensation nuclei, dust mass concentration, and ice-nucleating-particle-relevant aerosol properties in the Saharan Air Layer over Barbados from polarization lidar and airborne in situ measurements.

  Authors:Moritz Haarig, Adrian Walser, Albert Ansmann, Maximilian Dollner, Dietrich Althausen, Daniel Sauer, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 22) Peer-Reviewed

  Nov. 18, 2019324 words Brief article The present study aims to evaluate lidar retrievals of cloud-relevant aerosol properties by using polarization lidar and coincident airborne in situ measurements in the Saharan Air Layer (SAL) over the Barbados region....

• A large source of cloud condensation nuclei from new particle formation in the tropics.

  Authors:Christina J. Williamson, Agnieszka Kupc, Duncan Axisa, Kelsey R. Bilsback, ThaoPaul Bui, Pedro Campuzano-Jost, et al.From:Nature (Vol. 574, Issue 7778) Peer-Reviewed

  Oct. 20199,125 words Report 1580LCloud condensation nuclei (CCN) can affect cloud properties and therefore Earth's radiative balance.sup.1-3. New particle formation (NPF) from condensable vapours in the free troposphere has been suggested to contribute...