Publications

Journal Articles

2024

Unraveling ice multiplication in winter orographic clouds via in-situ observations, remote sensing and modeling

P. Georgakaki; A-C. Billault–Roux; R. Foskinis; K. Gao; G. Sotiropoulou et al. 

Npj Climate And Atmospheric Science. 2024-06-22. Vol. 7, num. 1, p. 145. DOI : 10.1038/s41612-024-00671-9.

The Extraordinary March 2022 East Antarctica “Heat” Wave. Part II: Impacts on the Antarctic Ice Sheet

J. D. Wille; S. P. Alexander; C. Amory; R. Baiman; L. Barthelemy et al. 

Journal Of Climate. 2024-02-01. Vol. 37, num. 3, p. 779-799. DOI : 10.1175/JCLI-D-23-0176.1.

The Extraordinary March 2022 East Antarctica “Heat” Wave. Part I: Observations and Meteorological Drivers

J. D. Wille; S. P. Alexander; C. Amory; R. Baiman; L. Barthelemy et al. 

Journal Of Climate. 2024-02-01. Vol. 37, num. 3. DOI : 10.1175/JCLI-D-23-0175.1.

Supercell Thunderstorms in Complex Topography-How Mountain Valleys with Lakes Can Increase Occurrence Frequency

M. Feldmann; R. Rotunno; U. Germann; A. Berne 

Monthly Weather Review. 2024-02-01. Vol. 152, num. 2, p. 471-489. DOI : 10.1175/MWR-D-22-0350.1.

Real-time pollen identification using holographic imaging and fluorescence measurements

S. Erb; E. Graf; Y. Zeder; S. Lionetti; A. Berne et al. 

Atmospheric Measurement Techniques. 2024-01-23. Vol. 17, num. 2, p. 441-451. DOI : 10.5194/amt-17-441-2024.

Climate Change Contributions to Increasing Compound Flooding Risk in New York City

A. Sarhadi; R. Rousseau-Rizzi; K. Mandli; J. Neal; M. P. Wiper et al. 

Bulletin Of The American Meteorological Society. 2024-02-01. Vol. 105, num. 2, p. E337-E356. DOI : 10.1175/BAMS-D-23-0177.1.

2023

Local spatial variability in the occurrence of summer precipitation in the Sør Rondane Mountains, Antarctica

A. Ferrone; E. Vignon; A. Zonato; A. Berne 

Cryosphere. 2023-11-24. Vol. 17, num. 11, p. 4937-4956. DOI : 10.5194/tc-17-4937-2023.

Unraveling secondary ice production in winter orographic clouds through a synergy of in-situ observations, remote sensing and modeling

P. Georgakaki; A-C. Billault–Roux; R. Foskinis; K. Gao; G. Sotiropoulou et al. 

Research Square. 2023-11-09. DOI : 10.21203/rs.3.rs-3502790/v1.

Radar-Derived Snowfall Microphysical Properties at Davis, Antarctica

S. P. Alexander; A. Protat; A. Berne; L. Ackermann 

Journal Of Geophysical Research-Atmospheres. 2023-09-27. Vol. 128, num. 18, p. e2022JD038389. DOI : 10.1029/2022JD038389.

Distinct secondary ice production processes observed in radar Doppler spectra: insights from a case study

A-C. Billault-Roux; P. Georgakaki; J. Gehring; L. Jaffeux; A. Schwarzenboeck et al. 

Atmospheric Chemistry And Physics. 2023-09-14. Vol. 23, num. 17, p. 10207-10234. DOI : 10.5194/acp-23-10207-2023.

Evaluation of WRF Model Boundary Layer Schemes in Simulating Temperature and Heat Extremes over the Middle East-North Africa (MENA) Region

A. Ntoumos; P. Hadjinicolaou; G. Zittis; K. Constantinidou; A. Tzyrkalli et al. 

Journal Of Applied Meteorology And Climatology. 2023-09-01. Vol. 62, num. 9, p. 1315-1332. DOI : 10.1175/JAMC-D-22-0108.1.

Calibration Transfer Methodology for Cloud Radars Based on Ice Cloud Observations

S. Jorquera; F. T. Bittner; J. Delanoe; A. Berne; A-C. Billault-Roux et al. 

Journal Of Atmospheric And Oceanic Technology. 2023-07-01. Vol. 40, num. 7, p. 773-788. DOI : 10.1175/JTECH-D-22-0087.1.

Assessing the simulation of snowfall at Dumont d’Urville, Antarctica, during the YOPP-SH special observing campaign

M-L. Roussel; V. Wiener; C. Genthon; E. Vignon; E. Bazile et al. 

Quarterly Journal Of The Royal Meteorological Society. 2023-05-12. DOI : 10.1002/qj.4463.

Hailstorms and rainstorms versus supercells-a regional analysis of convective storm types in the Alpine region

M. Feldmann; A. Hering; M. Gabella; A. Berne 

Npj Climate And Atmospheric Science. 2023-03-23. Vol. 6, num. 1, p. 19. DOI : 10.1038/s41612-023-00352-z.

Dual-frequency spectral radar retrieval of snowfall microphysics: a physics-driven deep-learning approach

A-C. Billault-Roux; G. Ghiggi; L. Jaffeux; A. Martini; N. Viltard et al. 

Atmospheric Measurement Techniques. 2023-02-21. Vol. 16, num. 4, p. 911-940. DOI : 10.5194/amt-16-911-2023.

Heavy snowfall event over the Swiss Alps: did wind shear impact secondary ice production?

Z. Dedekind; J. Grazioli; P. H. Austin; U. Lohmann 

Atmospheric Chemistry And Physics. 2023-02-20. Vol. 23, num. 4, p. 2345-2364. DOI : 10.5194/acp-23-2345-2023.

Automatic real-time monitoring of fungal spores: the case of Alternaria spp.

S. Erb; A. Berne; N. Burgdorfer; B. Clot; M-J. Graber et al. 

Aerobiologia. 2023-02-05. DOI : 10.1007/s10453-023-09780-z.

Synergetic Aircraft and Ground-Based Remote Sensing and In Situ Measurements of Snowfall Microphysical Properties

A-C. Billault-Roux; J. Grazioli; J. Delanoe; S. Jorquera; N. Pauwels et al. 

Bulletin Of The American Meteorological Society. 2023-02-01. Vol. 104, num. 2, p. E367-E388. DOI : 10.1175/BAMS-D-21-0184.1.

Radar and ground-level measurements of clouds and precipitation collected during the POPE 2020 campaign at Princess Elisabeth Antarctica

A. Ferrone; A. Berne 

Earth System Science Data. 2023. Vol. 15, num. 3, p. 1115-1132. DOI : 10.5194/essd-15-1115-2023.

2022

Snowfall in Northern Finland derives mostly from ice clouds

C. Mignani; L. Zimmermann; R. Kivi; A. Berne; F. Conen 

Atmospheric Chemistry And Physics. 2022-10-19. Vol. 22, num. 20, p. 13551-13568. DOI : 10.5194/acp-22-13551-2022.

Ice fog observed at cirrus temperatures at Dome C, Antarctic Plateau

E. Vignon; L. Raillard; C. Genthon; M. Del Guasta; A. J. Heymsfield et al. 

Atmospheric Chemistry And Physics. 2022-10-06. Vol. 22, num. 19, p. 12857-12872. DOI : 10.5194/acp-22-12857-2022.

ERUO: a spectral processing routine for the Micro Rain Radar PRO (MRR-PRO)

A. Ferrone; A-C. Billault-Roux; A. Berne 

Atmospheric Measurement Techniques. 2022-06-14. Vol. 15, num. 11, p. 3569-3592. DOI : 10.5194/amt-15-3569-2022.

Simulated microphysical properties of winter storms from bulk-type microphysics schemes and their evaluation in the Weather Research and Forecasting (v4.1.3) model during the ICE-POP 2018 field campaign

J-S. Ko; K-S. S. Lim; K. Kim; G. Lee; G. Thompson et al. 

Geoscientific Model Development. 2022-06-13. Vol. 15, num. 11, p. 4529-4553. DOI : 10.5194/gmd-15-4529-2022.

MASCDB, a database of images, descriptors and microphysical properties of individual snowflakes in free fall

J. Grazioli; G. Ghiggi; A-C. Billault-Roux; A. Berne 

Scientific Data. 2022-05-03. Vol. 9, num. 1, p. 186. DOI : 10.1038/s41597-022-01269-7.

Secondary ice production processes in wintertime alpine mixed-phase clouds

P. Georgakaki; G. Sotiropoulou; E. Vignon; A-C. Billault-Roux; A. Berne et al. 

Atmospheric Chemistry And Physics. 2022-02-11. Vol. 22, num. 3, p. 1965-1988. DOI : 10.5194/acp-22-1965-2022.

Orographic Flow Influence on Precipitation During an Atmospheric River Event at Davis, Antarctica

J. Gehring; E. Vignon; A-C. Billault-Roux; A. Ferrone; A. Protat et al. 

Journal Of Geophysical Research-Atmospheres. 2022-01-27. Vol. 127, num. 2, p. e2021JD035210. DOI : 10.1029/2021JD035210.

Brief communication: Application of a muonic cosmic ray snow gauge to monitor the snow water equivalent on alpine glaciers

R. Gugerli; D. Desilets; N. Salzmann 

Cryosphere. 2022-03-10. Vol. 16, num. 3, p. 799-806. DOI : 10.5194/tc-16-799-2022.

2021

Reconstruction of the mass and geometry of snowfall particles from multi-angle snowflake camera (MASC) images

J. Leinonen; J. Grazioli; A. Berne 

Atmospheric Measurement Techniques. 2021-10-25. Vol. 14, num. 10, p. 6851-6866. DOI : 10.5194/amt-14-6851-2021.

Impact of 3D radiative transfer on airborne NO2 imaging remote sensing over cities with buildings

M. Schwaerzel; D. Brunner; F. Jakub; C. Emde; B. Buchmann et al. 

Atmospheric Measurement Techniques. 2021-10-08. Vol. 14, num. 10, p. 6469-6482. DOI : 10.5194/amt-14-6469-2021.

A year of attenuation data from a commercial dual-polarized duplex microwave link with concurrent disdrometer, rain gauge, and weather observations

A. Spackova; V. Bares; M. Fencl; M. Schleiss; J. Jaffrain et al. 

Earth System Science Data. 2021-08-27. Vol. 13, num. 8, p. 4219-4240. DOI : 10.5194/essd-13-4219-2021.

Identification of snowfall microphysical processes from Eulerian vertical gradients of polarimetric radar variables

N. Planat; J. Gehring; E. Vignon; A. Berne 

Atmospheric Measurement Techniques. 2021-06-18. Vol. 14, num. 6, p. 4543-4564. DOI : 10.5194/amt-14-4543-2021.

G-RUN ENSEMBLE: A Multi-Forcing Observation-Based Global Runoff Reanalysis

G. Ghiggi; V. Humphrey; S. Seneviratne; L. Gudmundsson 

Water Resources Research. 2021-05-01. Vol. 57, num. 5, p. e2020WR028787. DOI : 10.1029/2020WR028787.

RainForest: a random forest algorithm for quantitative precipitation estimation over Switzerland

D. Wolfensberger; M. Gabella; M. Boscacci; U. Germann; A. Berne 

Atmospheric Measurement Techniques. 2021-04-29. Vol. 14, num. 4, p. 3169-3193. DOI : 10.5194/amt-14-3169-2021.

Present and Future of Rainfall in Antarctica

E. Vignon; M. -L. Roussel; I. V. Gorodetskaya; C. Genthon; A. Berne 

Geophysical Research Letters. 2021-04-28. Vol. 48, num. 8, p. e2020GL092281. DOI : 10.1029/2020GL092281.

Challenging and Improving the Simulation of Mid-Level Mixed-Phase Clouds Over the High-Latitude Southern Ocean

E. Vignon; S. P. Alexander; P. J. DeMott; G. Sotiropoulou; F. Gerber et al. 

Journal Of Geophysical Research-Atmospheres. 2021-04-16. Vol. 126, num. 7, p. e2020JD033490. DOI : 10.1029/2020JD033490.

Integrated water vapor and liquid water path retrieval using a single-channel radiometer

A-C. Billault-Roux; A. Berne 

Atmospheric Measurement Techniques. 2021-04-08. Vol. 14, num. 4, p. 2749-2769. DOI : 10.5194/amt-14-2749-2021.

Radar and ground-level measurements of precipitation collected by the Ecole Polytechnique Federale de Lausanne during the International Collaborative Experiments for PyeongChang 2018 Olympic and Paralympic winter games

J. Gehring; A. Ferrone; A-C. Billault-Roux; N. Besic; K. D. Ahn et al. 

Earth System Science Data. 2021-02-15. Vol. 13, num. 2, p. 417-433. DOI : 10.5194/essd-13-417-2021.

Secondary ice production in summer clouds over the Antarctic coast: an underappreciated process in atmospheric models

G. Sotiropoulou; É. Vignon; G. Young; H. Morrison; S. J. O’Shea et al. 

Atmospheric Chemistry and Physics. 2021-01-19. Vol. 21, num. 2, p. 755-771. DOI : 10.5194/acp-21-755-2021.

A Characterisation of Alpine Mesocyclone Occurrence

M. Feldmann; U. Germann; M. Gabella; A. Berne 

Weather and Climate Dynamics. 2021-12-16. Vol. 2, num. 4, p. 1225-1244. DOI : 10.5194/wcd-2-1225-2021.

Theses

2023

Snowfall microphysics: a dual-frequency and Doppler spectral radar perspective

A-C. Billault-Roux / A. Berne (Dir.)  

Lausanne, EPFL, 2023. 

Supercell Thunderstorms in the Alpine Region – From Weather Radar Observations to Idealized Modeling

M. Feldmann / A. Berne; M. Gabella (Dir.)  

Lausanne, EPFL, 2023. 

2022

Importance of 3D radiative transfer effects on high-resolution NO2 remote sensing in cities

M. D. Schwärzel / A. Berne; D. Brunner (Dir.)  

Lausanne, EPFL, 2022. 

Radar processing techniques to study summer snowfall in the Sør Rondane Mountains, Antarctica

A. Ferrone / A. Berne (Dir.)  

Lausanne, EPFL, 2022. 

Posters

2021

The impact of secondary ice processes on orographic mixed-phase clouds

P. Georgakaki; G. Sotiropoulou; E. G. H. Vignon; A. Berne; A. Nenes 

European Aerosol Conference 2021, Virtual event, hosted by the UK and Ireland Aerosol Society, 30 August – 3 September 2021.

Talks

2021

The relative contribution of secondary ice processes in Alpine mixed-phase clouds

P. Georgakaki; G. Sotiropoulou; E. G. H. Vignon; A. Berne; A. Nenes 

23rd EGU General Assembly (vEGU21), [Online meeting], April 19-30, 2021.

Student Projects

2022

Integration of radar data in rainfall-runoff models for flash flood forecasting

M. Rykner 

2022-10-01.

Modèles hydrologiques d’apprentissage automatique pour la prévision de crues éclair à l’aide de données radar

G. Buchs 

2022-10-01.

Datasets

2024

Data and scripts for “Unraveling secondary ice production in winter orographic clouds through a synergy of in-situ observations, remote sensing and modeling”

P. Georgakaki; A-C. M. Billault–Roux; R. Foskinis; K. Gao; G. Sotiropoulou et al. 

2024.

2023

MASCDB, a database of images, descriptors and microphysical properties of individual snowflakes in free fall

J. Grazioli; G. Ghiggi; A. Berne 

2023.

Doppler spectra collected by weather and cloud radars during the POPE 2020 campaign at Princess Elisabeth Antarctica

A. Ferrone; A. Berne 

2023.