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Dipl.-Ing. Dr. Agnieszka Straus, BSc MSc
T: +43-1-4277-73423
1 - 20 out of 68
Williamson CJ, Borrmann S, Brauner P, Brock CA, Campos T, Christoudias T et al. Upper troposphere aerosol formation enhanced by monsoon lofted pollution. Nature Communications. 2026 Aug 12;17(1):9672. doi: 10.1038/s41467-026-75073-x
Walser A, Kupc A, Benker N, Dollner M, Heinold B, Kandler K et al. Anthropogenic Pollution Accounts for a Substantial Part of Cloud Condensation Nuclei in North African Dust Layer. Geophysical Research Letters. 2026 Jun 28;53(12):e2025GL120808. doi: 10.1029/2025GL120808
He XC, Abraham NL, Ding H, Russo MR, Grosvenor DP, Ge Y et al. Evaluation of UKESM aerosol size and composition using ATom measurements indicates missing marine aerosol formation mechanisms. Atmospheric Chemistry and Physics. 2026 Mar 17;26(5):3805-3851. doi: 10.5194/acp-26-3805-2026
He XC, Abraham NL, Ding H, Russo MR, Grosvenor DP, Ge Y et al. Evaluation of UKESM aerosol size and composition using ATom measurements indicates missing marine aerosol formation mechanisms. Atmospheric Chemistry and Physics. 2026 Mar;26(5):3805–3851. doi: 10.5194/egusphere-2025-3700, 10.5194/acp-26-3805-2026
Zhang J, Gong X, Crosbie E, Diskin G, Froyd K, Hall S et al. Stratospheric air intrusions promote global-scale new particle formation. Science. 2024 Jul;385(6705):210-216. doi: 10.1126/science.adn2961
Biomass Aerosol, Dollner M, Kupc A, Weinzierl B. Airborne Observations Constrain Heterogeneous Nitrogen and Halogen Chemistry on Tropospheric and Stratospheric Biomass Burning Aerosol. Geophysical Research Letters. 2024 Feb 28;51(4):e2023GL107273. Epub 2024 Feb 12. doi: 10.1029/2023GL107273
Katich JM, Apel EC, Bourgeois I, Brock CA, Bui TP, Campuzano-Jost P et al. Pyrocumulonimbus affect average stratospheric aerosol composition. Science. 2023 Feb 24;379(6634):815-820. doi: 10.1126/science.add3101
Yu F, Luo G, Nair AA, Eastham S, Williamson CJ, Kupc A et al. Particle number concentrations and size distributions in the stratosphere: implications of nucleation mechanisms and particle microphysics. Atmospheric Chemistry and Physics. 2023 Feb 2;23(3):1863–1877. Epub 2022 Jul 27. doi: 10.5194/acp-23-1863-2023, 10.5194/acp-2022-487
Thompson CR, Wofsy SC, Prather MJ, Newman PA, Hanisco TF, Ryerson TB et al. The NASA Atmospheric Tomography (ATom) Mission: Imaging the Chemistry of the Global Atmosphere. Bulletin of the American Meteorological Society. 2022 Mar 1;103(3):E761-E790. doi: 10.1175/BAMS-D-20-0315.1
Froyd KD, Yu P, Schill GP, Brock CA, Kupc A, Williamson CJ et al. Dominant role of mineral dust in cirrus cloud formation revealed by global-scale measurements. Nature Geoscience. 2022 Mar;15(3):177–183. Epub 2022 Feb 24. doi: 10.1038/s41561-022-00901-w
Brock CA, Froyd KD, Dollner M, Williamson CJ, Schill G, Murphy DM et al. Ambient aerosol properties in the remote atmosphere from global-scale in situ measurements. Atmospheric Chemistry and Physics. 2021 Oct 8;21(19):15023-15063. doi: 10.5194/acp-21-15023-2021
Williamson CJ, Kupc A, Rollins A, Kazil J, Froyd KD, Ray EA et al. Large hemispheric difference in nucleation mode aerosol concentrations in the lowermost stratosphere at mid- and high latitudes. Atmospheric Chemistry and Physics. 2021 Jun 15;21(11):9065-9088. doi: 10.5194/acp-21-9065-2021
Murphy DM, Froyd KD, Bourgeois I, Brock CA, Kupc A, Peischl J et al. Radiative and chemical implications of the size and composition of aerosol particles in the existing or modified global stratosphere. Atmospheric Chemistry and Physics. 2021 Jun 11;21(11):8915–8932. doi: 10.5194/acp-21-8915-2021
Nault BA, Campuzano-Jost P, Day DA, Jo DS, Schroder JC, Allen HM et al. Chemical transport models often underestimate inorganic aerosol acidity in remote regions of the atmosphere. Communications Earth & Environment. 2021 May 14;2(1):93. doi: 10.1038/s43247-021-00164-0
Ranjithkumar A, Gordon H, Williamson C, Rollins A, Pringle K, Kupc A et al. Constraints on global aerosol number concentration, SO2 and condensation sink in UKESM1 using ATom measurements. Atmospheric Chemistry and Physics. 2021 Mar 31;21(6):4979–5014. doi: 10.5194/acp-2020-1071, 10.5194/acp-21-4979-2021
Kupc A, Williamson CJ, Hodshire AL, Kazil J, Ray E, Paul Bui T et al. The potential role of organics in new particle formation and initial growth in the remote tropical upper troposphere. Atmospheric Chemistry and Physics. 2020 Dec 4;20(23):15037-15060. doi: 10.5194/acp-20-15037-2020
Zeng L, Zhang A, Wang Y, Wagner NL, Katich JM, Schwarz JP et al. Global Measurements of Brown Carbon and Estimated Direct Radiative Effects. Geophysical Research Letters. 2020 Jul 16;47(13):e2020GL088747. Epub 2020 Jun 15. doi: 10.1029/2020GL088747
Schill GP, Froyd KD, Bian H, Kupc A, Williamson C, Brock CA et al. Widespread biomass burning smoke throughout the remote troposphere. Nature Geoscience. 2020 Jun;13(6):422-427. doi: 10.1038/s41561-020-0586-1
Veres PR, Neuman JA, Bertram TH, Assaf E, Wolfe GM, Williamson CJ et al. Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere. Proceedings of the National Academy of Sciences of the United States of America (PNAS). 2020 Mar 3;117(9):4505-4510. doi: 10.1073/pnas.1919344117
Froyd KD, Murphy DM, Brock C, Campuzano-Jost P, Dibb J, Jimenez JL et al. A new method to quantify mineral dust and other aerosol species from aircraft platforms using single particle mass spectrometry. Atmospheric Measurement Techniques. 2019 Nov 27;12(11):6209–6239. doi: 10.5194/amt-12-6209-2019
1 - 20 out of 68

Giant aerosol particles and pyrometeors emitted by western US wildfires: shape, occurrence, and transport

Schöberl, M. (Speaker), Tatsii, D. (Contributor), Dollner, M. (Contributor), Gattringer, A. (Contributor), Kupc, A. (Contributor), Schwarz, J. (Contributor), Holmes, C. D. (Contributor), Stohl, A. (Contributor), Halliday, H. S. (Contributor), Hair, J. W. (Contributor), Weinzierl, B. (Contributor) & Bui, T. P. (Contributor)

31 Mar 2026

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Millimeter-sized particles emitted by western US wildfires: shape, occurrence, and transport

Schöberl, M. (Speaker), Tatsii, D. (Contributor), Dollner, M. (Contributor), Gattringer, A. (Contributor), Beres, N. (Contributor), Kupc, A. (Contributor), Schwarz, J. P. (Contributor), Holmes, C. D. (Contributor), Halliday, H. S. (Contributor), Hair, J. W. (Contributor), Fenn, M. A. (Contributor), Bui, T. P. (Contributor), Stohl, A. (Contributor) & Weinzierl, B. (Contributor)

24 Nov 2025

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Stratospheric air intrusions promote global-scale new particle formation

Gong, X. (Contributor), Zhang, J. (Speaker), Crosbie, E. (Contributor), Diskin, G. S. (Contributor), Froyd, K. (Contributor), Hall, S. R. (Contributor), Kupc, A. (Contributor), Brock, C. A. (Contributor), Thompson, C. (Contributor), Schwarz, J. (Contributor) & Peischl, J. (Contributor)

13 Dec 2024

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Upper tropospheric particle formation by stratospheric air intrusion

Zhang, J. (Speaker), Gong, X. (Contributor), Crosbie, E. (Contributor), Diskin, G. S. (Contributor), Froyd, K. (Contributor), Hall, S. R. (Contributor), Kupc, A. (Contributor), Moore, R. H. (Contributor), Peischl, J. (Contributor), Schwarz, J. P. (Contributor), Thompson, C. (Contributor), Brock, C. (Contributor), Xu, L. (Contributor) & Wang, J. (Speaker)

25 Oct 2024

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Aerosol Optical Properties Derived from Global-Scale In Situ Measurements

Brock, C. (Speaker), Kupc, A. (Contributor), Froyd, K. (Contributor), Schill, G. P. (Contributor), Murphy, D. (Contributor), Weinzierl, B. (Contributor), Dollner, M. (Contributor), Wang, S. (Contributor) & Williamson, C. (Contributor)

15 Dec 2021

Activity: Talks and presentations › Talk or oral contribution › Science to Public

Large hemispheric difference in ultrafine aerosol concentrations in the lowermost stratosphere

Williamson, C. J. (Speaker), Kupc, A. (Contributor), Rollins, A. W. (Contributor), Kazil, J. (Contributor), Froyd, K. D. (Contributor), Ray, E. (Contributor), Murphy, D. (Contributor), Schill, G. P. (Contributor), Schill, G. P. (Contributor), Peischl, J. (Contributor), Bourgeois, I. (Contributor), Dollner, M. (Contributor), Weinzierl, B. (Contributor) & Brock, C. A. (Contributor)

28 Apr 2021

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Size-dependent aerosol radiative impacts in the lower stratosphere

Murphy, D. M. (Speaker), Froyd, K. D. (Contributor), Schill, G. P. (Contributor), Brock, C. A. (Contributor), Kupc, A. (Contributor) & Williamson, C. (Contributor)

11 Dec 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

A Global-Scale In Situ Dataset of Aerosol Properties from the Atmospheric Tomography Mission (ATom)

Brock, C. (Speaker), Kupc, A. (Contributor), Williamson, C. (Contributor), Froyd, K. D. (Contributor), Schill, G. P. (Contributor), Murphy, D. M. (Contributor), Jimenez, J. L. (Contributor), Campuzano-Jost, P. (Contributor), Weinzierl, B. (Contributor), Dollner, M. (Contributor), Schwarz, J. P. (Contributor), Katich, J. M. (Contributor), Dibb, J. (Contributor), Weber, R. J. (Contributor), Linghan, Z. (Contributor), Diskin, G. S. (Contributor) & Bui, T. V. (Contributor)

10 Dec 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

A new look at the influence of mineral dust on cirrus cloud formation by combining global-scale measurements, global modeling, and detailed microphysical simulations

Froyd, K. (Speaker), Yu, P. (Contributor), Schill, G. P. (Contributor), Brock, C. A. (Contributor), Kupc, A. (Contributor), Williamson, C. (Contributor), Jensen, E. J. (Contributor), Ray, E. (Contributor), Rosenlof, K. H. (Contributor), Diskin, G. S. (Contributor), Bui, T. V. (Contributor) & Murphy, D. M. (Contributor)

8 Dec 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Trace amounts of Br and I are ubiquitous in non-sea-salt aerosol

Schill, G. P. (Speaker), Froyd, K. (Contributor), Murphy, D. M. (Contributor), Kupc, A. (Contributor), Williamson, C. (Contributor) & Brock, C. (Contributor)

8 Dec 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Comparison of cirrus clouds in naturally and anthropogenically influenced regions of the atmosphere

Dollner, M. (Speaker), Gasteiger, J. (Contributor), Brock, C. A. (Contributor), Schöberl, M. (Contributor), Williamson, C. (Contributor), Kupc, A. (Contributor), Philipp, A. (Contributor), Seibert, P. (Contributor), Froyd, K. (Contributor), Schill, G. P. (Contributor), Murphy, D. M. (Contributor), Diskin, G. S. (Contributor), Bui, T. P. (Contributor) & Weinzierl, B. (Contributor)

6 May 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Using ATom observations and models to understand what precursors drive NPF in the remote free troposphere

Kupc, A. (Speaker), Williamson, C. (Contributor), Hodshire, A. L. (Contributor), Pierce, J. R. (Contributor), Kazil, J. (Contributor), Ray, E. (Contributor), Froyd, K. (Contributor), Rollins, A. W. (Contributor), Richardson, M. (Contributor), Weinzierl, B. (Contributor), Dollner, M. (Contributor), Erdesz, F. (Contributor), Bui, T. P. (Contributor) & Brock, C. A. (Contributor)

6 May 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Evaluating the consistency of all submicron aerosol mass measurements (total and speciated) for the NASA Atmospheric Tomography Aircraft Mission (ATom)

Guo, H. (Contributor), Campuzano-Jost, P. (Speaker), Nault, B. A. (Contributor), Day, D. (Contributor), Williamson, C. (Contributor), Kupc, A. (Contributor), Brock, C. (Contributor), Schill, G. P. (Contributor), Froyd, K. (Contributor), Murphy, D. M. (Contributor), Scheuer, E. M. (Contributor), Dibb, J. (Contributor), Katich, J. M. (Contributor) & Jimenez, J. (Contributor)

5 May 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

A New Method to Quantify Mineral Dust, Sea Salt, Biomass Burning, and Other Aerosol Species from Aircraft Platforms using Single Particle Mass Spectrometry

Froyd, K. D. (Speaker), Murphy, D. M. (Contributor), Brock, C. (Contributor), Campuzano-Jost, P. (Contributor), Dibb, J. (Contributor), Jimenez, J. (Contributor), Kupc, A. (Contributor), Middlebrook, A. M. (Speaker), Schill, G. P. (Contributor), Thornhill, K. L. (Contributor), Williamson, C. (Contributor), Wilson, J. (Contributor) & Ziemba, L. D. (Contributor)

17 Oct 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

The Ubiquity of Biomass Burning Particles in the Global Remote Troposphere

Schill, G. P. (Speaker), Froyd, K. D. (Contributor), Murphy, D. M. (Contributor), Williamson, C. (Contributor), Kupc, A. (Contributor), Brock, C. A. (Contributor), Bian, H. (Contributor), Chin, M. (Contributor), Colarco, P. R. (Contributor), Ray, E. (Contributor), Hills, A. J. (Contributor), Hornbrook, R. S. (Contributor) & Apel, E. C. (Contributor)

16 Oct 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Evaluating the Consistency of Submicron Aerosol Mass during the Atmospheric Tomography Mission (ATom): A Focus on the Aerosol Mass Spectrometer Quantification

Guo, H. (Speaker), Campuzano-Jost, P. (Contributor), Nault, B. A. (Contributor), Day, D. (Contributor), Williamson, C. (Contributor), Kupc, A. (Contributor), Brock, C. (Contributor), Schill, G. P. (Contributor), Froyd, K. D. (Contributor), Murphy, D. M. (Contributor), Scheuer, E. M. (Contributor), Dibb, J. (Contributor), Katich, J. M. (Contributor) & Jimenez, J. (Contributor)

15 Oct 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Understanding Tropical New Particle Formation with data from NASA’s Atmospheric Tomography Mission

Williamson, C. (Speaker), Kupc, A. (Contributor), Axisa, D. (Contributor), Bui, T. V. (Contributor), Campuzano-Jost, P. (Contributor), Dollner, M. (Contributor), Froyd, K. D. (Contributor), Hodshire, A. L. (Contributor), Jimenez, J. (Contributor), Kodros, J. K. (Contributor), Luo, G. (Contributor), Murphy, D. M. (Contributor), Nault, B. A. (Contributor), Ray, E. (Contributor), Weinzierl, B. (Contributor), Wilson, J. (Contributor), Yu, F. (Contributor), Yu, P. (Contributor), Pierce, J. R. (Contributor) & Brock, C. A. (Contributor)

26 Aug 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Using ATom observations and models to understand what drives NPF and growth to CCN-sizes in the remote free troposphere

Kupc, A. (Speaker), Williamson, C. (Contributor), Hodshire, A. L. (Contributor), Pierce, J. R. (Contributor), Ray, E. (Contributor), Kazil, J. (Contributor), Froyd, K. (Contributor), Richardson, M. (Contributor), Dollner, M. (Contributor), Weinzierl, B. (Contributor), Erdesz, F. (Contributor), Bui, T. P. (Contributor) & Brock, C. (Contributor)

9 Apr 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Global-scale Measurements of Aerosol Properties from the Atmospheric Tomography (ATom) Mission

Brock, C. A. (Speaker), Williamson, C. (Contributor), Kupc, A. (Contributor), Bui, T. V. (Contributor), Campuzano-Jost, P. (Contributor), Day, D. (Contributor), Dollner, M. (Contributor), Froyd, K. D. (Contributor), Jimenez, J. (Contributor), Katich, J. M. (Contributor), Murphy, D. M. (Contributor), Nault, B. A. (Contributor), Ray, E. (Contributor), Schill, G. P. (Contributor), Schroder, J. C. (Contributor), Schwarz, J. P. (Contributor) & Weinzierl, B. (Contributor)

8 Apr 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

New particle formation and growth to CCN sizes over the remote tropical Pacific and Atlantic Oceans. ATom observations and modeling studies

Straus, A. (Speaker), Williamson, C. (Contributor), Hodshire, A. L. (Contributor), Pierce, J. R. (Contributor), Ray, E. (Contributor), Kazil, J. (Contributor), Froyd, K. (Contributor), Richardson, M. (Contributor), Dollner, M. (Contributor), Weinzierl, B. (Contributor), Erdesz, F. (Contributor), Bui, T. P. (Contributor) & Brock, C. A. (Contributor)

14 Dec 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Global, In Situ Measurements of New Particle Formation and Growth to CCN Sizes

Brock, C. (Speaker), Williamson, C. (Contributor), Kupc, A. (Contributor) & Froyd, K. D. (Contributor)

28 Sept 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

New particle formation: Where, how and why it`s important? Observations from the Atmospheric Tomography Mission (ATom)

Straus, A. (Speaker), Williamson, C. (Contributor), Hodshire, A. L. (Contributor), Pierce, J. R. (Contributor), Ray, E. (Contributor), Froyd, K. (Contributor), Richardson, M. (Contributor), Weinzierl, B. (Contributor), Dollner, M. (Contributor), Erdesz, F. (Contributor), Bui, T. P. (Contributor), Diskin, G. S. (Contributor) & Brock, C. A. (Contributor)

8 Apr 2018 → 13 Apr 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

A Global View of Atmospheric New Particle Formation from the NASA Atmospheric Tomography Mission

Williamson, C. (Speaker), Kupc, A. (Contributor), Kodros, J. K. (Contributor), Hodshire, A. L. (Contributor), Pierce, J. R. (Contributor), Yu, P. (Contributor), Froyd, K. D. (Contributor), Ray, E. (Contributor), Murphy, D. M. (Contributor), Bui, T. P. (Contributor), Erdesz, F. (Contributor), Richardson, M. (Contributor) & Brock, C. (Contributor)

2 Apr 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Global distriubtions of coarse-mode aerosol and clouds during the atmospheric tomography mission (ATom)

Weinzierl, B. (Speaker), Dollner, M. (Contributor), Schuh, H. (Contributor), Brock, C. (Contributor), Bui, T. P. (Contributor), Diskin, G. S. (Contributor), Froyd, K. D. (Contributor), Gasteiger, J. (Contributor), Katich, J. M. (Contributor), Kupc, A. (Contributor), Murphy, D. M. (Contributor), Schwarz, J. P. (Contributor), Spanu, A. (Contributor) & Williamson, C. (Contributor)

9 Jan 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

ATom observations of new particle formation in the tropical upper troposphere. The role of convection and nucleation mechanisms

Straus, A. (Speaker), Williamson, C. (Contributor), Hodshire, A. L. (Contributor), Pierce, J. R. (Contributor), Ray, E. (Contributor), Froyd, K. (Contributor) & Richardson, M. (Contributor)

11 Dec 2017

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Ununsual temperature dependence of heterogeneous nucleation of water vapor on Ag particles

Kupc, A. (Speaker)

28 Jun 2013

Activity: Talks and presentations › Talk or oral contribution › Other

Trace amounts of Br and I are ubiquitous in non-sea-salt aerosol

Schill, G. P. (Speaker) & Kupc, A. (Contributor)

8 Dec 2012

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Comprehensive laboratory characterization of a new nano water-based CPC and performance comparison to an ultrafine CPC

Kupc, A. (Speaker)

3 Sept 2012

Activity: Talks and presentations › Talk or oral contribution › Other

A new N-WCPC and its suitability for nanoparticle measurement in ambient aerosols and at the CLOUD experiment

Kupc, A. (Invited speaker)

12 Jul 2012

Activity: Talks and presentations › Talk or oral contribution › Other

Aerosol charged fraction: CPCb and electrostatic precipitator at CLOUD-preliminary study

Kupc, A. (Invited speaker)

28 Sept 2011

Activity: Talks and presentations › Talk or oral contribution › Other

New particle formation and growth in the marine atmosphere

Kupc, A. (Project Lead)

1/03/16 → 30/04/19

Project: Research funding

Aerosol Physics and Environmental Physics

Boltzmanngasse 5
1090 Wien
Room: 3139

T: +43-1-4277-73423

agnieszka.straus@univie.ac.at