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Biography

I am an atmospheric scientist with a broad range of interests. I initially got a training in atmospheric dynamics and studied the remote impacts of extratropical transitions of North Atlantic cyclones. For my PhD, I transitioned to atmospheric microphysics and chemistry but with a link to boundary layer dynamics. I currently study the vertical distribution of aerosol particles and trace gases in the lower atmosphere of polar regions with a tethered-balloon system. In the framework of my PhD, I designed the instrumental setup of the system and built all parts. I enjoy the technical aspect of environmental engineering and the experimental work.
My goal is to make the bridge between process understanding from in situ measurements and improvement of current numerical models.

Activities

Employment (1)

EPFL - School of Architecture, Civil and Environmental Engineering, Environmental Engineering Institute, Extreme Environments Research Laboratory - Ingvar Kamprad Chair: Sion, CH

2020-05-01 to 2024-05-01 | PhD candidate
Employment
Source: Self-asserted source
Roman Pohorsky

Works (13)

From the Arctic to Antarctica: Observations of vertical aerosol distribution from tethered balloon measurements

2025-03-18 | Preprint
Contributors: Julia Schmale; Roman Pohorsky; Michael Lonardi; Yolanda Temel; Joanna Dyson; Radiance Calmer; Lionel Favre
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Influence of free tropospheric aerosols on the microphysical properties of a coupled low-level cloud in the central Arctic: a case study from the ARTofMELT expedition. 

2025-03-15 | Preprint
Contributors: Roman Pohorsky; Radiance Calmer; Berkay Dönmez; Ian Brooks; Heather Guy; Lea Haberstock; Julia Kojoj; Nicolas Fauré; Sonja Murto; Camille Mavis et al.
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Vertical measurements of aerosols in the high Arctic during the winter-spring transition using a tethered balloon. 

2025-03-15 | Preprint
Contributors: Radiance Calmer; Lionel Favre; Berkay Dönmez; Joanna Dyson; Roman Pohorsky; Bjarne Jensen; Andreas Massling; Henrik Skov; Lise Lotte Sørensen; Sven-Erik Gryning et al.
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Surface distributions and vertical profiles of trace gases (CO, O3, NO, NO2) in the Arctic wintertime boundary layer using low-cost sensors during ALPACA-2022

Atmospheric Measurement Techniques
2025-03-07 | Journal article
Contributors: Brice Barret; Patrice Medina; Natalie Brett; Roman Pohorsky; Kathy S. Law; Slimane Bekki; Gilberto J. Fochesatto; Julia Schmale; Steve R. Arnold; Andrea Baccarini et al.
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Analysis of the vertical dispersion of pollution layers in the urban Arctic during the ALPACA 2022 field campaign

2025-01-20 | Preprint
Contributors: Roman Pohorsky; Andrea Baccarini; Brice Barret; Natalie Brett; Slimane Bekki; Elsa Dieudonné; Gianluca Pappaccogli; Federico Scoto; Antonio Donateo; Maurizio Busetto et al.
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Assessment of aerosol dry depositions and their impact on snow composition at an Arctic urban site

2025-01-20 | Preprint
Contributors: Stefano Decesari; Gianluca Pappaccogli; Federico Scoto; Maurizio Busetto; Roberta Zangrando; Andrea Gambaro; Andrea Spolaor; Roman Pohorsky; Julia Schmale; Javier Fochesatto et al.
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Investigating processes affecting wintertime air pollution variability and estimating contributions of power plant emissions relative to the surface in the stratified Arctic boundary layer 

2025-01-20 | Preprint
Contributors: Natalie Brett; Kathy S. Law; Stephen R. Arnold; Brice Barrett; Elsa Dieudonné; Gilberto J. Fochesatto; Jean-Christophe Raut; Tatsuo Onishi; Roman Pohorsky; Andrea Baccarini et al.
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Links between atmospheric aerosols and sea state in the Arctic Ocean

Atmospheric Environment
2024-12 | Journal article
Contributors: Alireza Moallemi; Alberto Alberello; Iris Thurnherr; Guangyu Li; Zamin A. Kanji; Filippo Bergamasco; Roman Pohorsky; Filippo Nelli; Alessandro Toffoli; Julia Schmale
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In situ vertical observations of the layered structure of air pollution in a continental high latitude urban boundary layer during winter

2024-09-19 | Preprint
Contributors: Roman Pohorsky; Andrea Baccarini; Natalie Brett; Brice Barret; Slimane Bekki; Gianluca Pappaccogli; Elsa Dieudonné; Brice Temime-Roussel; Barbara D'Anna; Meeta Cesler-Maloney et al.
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Supplementary material to "In situ vertical observations of the layered structure of air pollution in a continental high latitude urban boundary layer during winter"

2024-09-19 | Preprint
Contributors: Roman Pohorsky; Andrea Baccarini; Natalie Brett; Brice Barret; Slimane Bekki; Gianluca Pappaccogli; Elsa Dieudonné; Brice Temime-Roussel; Barbara D'Anna; Meeta Cesler-Maloney et al.
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Vertical profiles and surface distributions of trace gases (CO, O3, NO, NO2) in the Arctic wintertime boundary layer using low-cost sensors during ALPACA-2022

2024-08-22 | Preprint
Contributors: Brice Barret; Patrice Medina; Natalie Brett; Roman Pohorsky; Kathy Law; Slimane Bekki; Gilberto J. Fochesatto; Julia Schmale; Steve Arnold; Andrea Baccarini et al.
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Modular Multiplatform Compatible Air Measurement System (MoMuCAMS): a new modular platform for boundary layer aerosol and trace gas vertical measurements in extreme environments

Atmospheric Measurement Techniques
2024-01-30 | Journal article
Part of ISSN: 1867-8548
Contributors: Roman Pohorsky; andrea baccarini; Julie Tolu; Lenny H. E. Winkel; Julia Schmale
Source: Self-asserted source
Roman Pohorsky

The Climatological Impact of Recurving North Atlantic Tropical Cyclones on Downstream Extreme Precipitation Events

Monthly Weather Review
2019-05-01 | Journal article
Part of ISSN: 0027-0644
Part of ISSN: 1520-0493
Contributors: Roman Pohorsky; Matthias Röthlisberger; Christian M. Grams; Jacopo Riboldi; Olivia Martius
Source: Self-asserted source
Roman Pohorsky