Julia Schmale

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julia.schmale@epfl.ch +41 21 695 82 69 https://eerl.epfl.ch

EPFL ENAC IIE EERL
EPFL Valais Wallis
Rue de l'Industrie 17
Case postale 440
CH-1951 Sion

+41 21 695 82 69
+41 21 693 82 83
Office: R35 1 04
EPFL > ENAC > IIE > EERL

Web site: Web site: https://www.epfl.ch/labs/eerl/

+41 21 695 82 69
EPFL > ENAC > ENAC-SSIE > SSIE-ENS

+41 21 695 82 69
EPFL > ENAC > ENAC-DEC > DOENAC

Web site: Web site: https://www.epfl.ch/schools/enac/about/diversity-office/

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Administrative data

Publications

Infoscience publications

Publications

2021

Journal Articles

Differentiation of coarse-mode anthropogenic, marine and dust particles in the High Arctic islands of Svalbard

C. Song; M. Dall'Osto; A. Lupi; M. Mazzola; R. Traversi et al.

Atmospheric Chemistry and Physics. 2021-07-28. DOI : 10.5194/acp-21-11317-2021.

Progress in Unraveling Atmospheric New Particle Formation and Growth Across the Arctic

J. Schmale; A. Baccarini

Geophysical Research Letters. 2021-07-03. DOI : 10.1029/2021GL094198.

Black carbon and dust in the Third Pole glaciers: revaluated concentrations, mass absorption cross-sections and contributions to glacier ablation

Y. Li; S. Kang; X. Zhang; J. Chen; J. Schmale et al.

Science of The Total Environment. 2021-05-21. DOI : 10.1016/j.scitotenv.2021.147746.

Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured over the Pristine Southern Ocean

A. Moallemi; S. Landwehr; C. Robinson; R. Simó; M. Zamanillo et al.

Journal of Geophysical Research: Atmospheres. 2021-05-18. DOI : 10.1029/2021JD034811.

Large contribution to secondary organic aerosol from isoprene cloud chemistry

H. Lamkaddam; J. Dommen; A. Ranjithkumar; H. Gordon; G. Wehrle et al.

Science Advances. 2021-03-24. DOI : 10.1126/sciadv.abe2952.

Insights into the molecular composition of semi-volatile aerosols in the summertime central Arctic Ocean using FIGAERO-CIMS

K. Siegel; L. Karlsson; P. Zieger; A. Baccarini; J. Schmale et al.

Environmental Science: Atmospheres. 2021-03-15. DOI : 10.1039/D0EA00023J.

Aerosols in current and future Arctic climate

J. Schmale; P. Zieger; A. M. L. Ekman

Nature Climate Change. 2021-02-08. DOI : 10.1038/s41558-020-00969-5.

2020

Journal Articles

Ship-based measurements of ice nuclei concentrations over the Arctic, Atlantic, Pacific and Southern oceans

A. Welti; E. K. Bigg; P. J. DeMott; X. Gong; M. Hartmann et al.

Atmospheric Chemistry and Physics. 2020-12-08. DOI : 10.5194/acp-20-15191-2020.

Prepare Scientists to Engage in Science‐Policy

E. Schneidemesser; M. Melamed; J. Schmale

Earth's Future. 2020-11-12. DOI : 10.1029/2020EF001628.

Frequent new particle formation over the high Arctic pack ice by enhanced iodine emissions

A. Baccarini; L. Karlsson; J. Dommen; P. Duplessis; J. Vüllers et al.

Nature Communications. 2020-10-01. DOI : 10.1038/s41467-020-18551-0.

The value of remote marine aerosol measurements for constraining radiative forcing uncertainty

L. A. Regayre; J. Schmale; J. S. Johnson; C. Tatzelt; A. Baccarini et al.

Atmospheric Chemistry and Physics. 2020-08-28. DOI : 10.5194/acp-20-10063-2020.

Black Carbon Aerosols in the Lower Free Troposphere are Heavily Coated in Summer but Largely Uncoated in Winter at Jungfraujoch in the Swiss Alps

G. Motos; J. C. Corbin; J. Schmale; R. L. Modini; M. Bertò et al.

Geophysical Research Letters. 2020-07-28. DOI : 10.1029/2020GL088011.

Satellite retrieval of cloud condensation nuclei concentrations in marine stratocumulus by using clouds as CCN chambers

A. Efraim; D. Rosenfeld; J. Schmale; Y. Zhu

Journal of Geophysical Research: Atmospheres. 2020-07-26. DOI : 10.1029/2020JD032409.

Overview: Integrative and Comprehensive Understanding on Polar Environments (iCUPE) – concept and initial results

T. Petäjä; E.-M. Duplissy; K. Tabakova; J. Schmale; B. Altstädter et al.

Atmospheric Chemistry and Physics. 2020-07-22. DOI : 10.5194/acp-20-8551-2020.

Using global reanalysis data to quantify and correct airflow distortion bias in shipborne wind speed measurements

S. Landwehr; I. Thurnherr; N. Cassar; M. Gysel-Beer; J. Schmale

Atmospheric Measurement Techniques. 2020-06-30. DOI : 10.5194/amt-13-3487-2020.

Meridional and vertical variations of the water vapour isotopic composition in the marine boundary layer over the Atlantic and Southern Ocean

I. Thurnherr; A. Kozachek; P. Graf; Y. Weng; D. Bolshiyanov et al.

Atmospheric Chemistry And Physics. 2020-05-15. DOI : 10.5194/acp-20-5811-2020.

Online Aerosol Chemical Characterization by Extractive Electrospray Ionization-Ultrahigh-Resolution Mass Spectrometry (EESI-Orbitrap)

C. P. Lee; M. Riva; D. Wang; S. Tomaz; D. Li et al.

Environmental Science & Technology. 2020-04-07. DOI : 10.1021/acs.est.9b07090.

Posters

Wintertime Aerosol observations during MOSAiC

I. Beck; A. Baccarini; L. Quelever; T. Laurila; Z. Brasseur et al.

AGU American Geophysical Union Fall Meeting 2020, Online conference, December 1-17, 2020.

INP over the Southern Ocean: abundance and origin during ACE

C. Tatzelt; S. Henning; A. Welti; A. Baccarini; M. Gysel-Beer et al.

ECA 2020 European Aerosol Conference, Aachen, Germany (online conference), August 2020.

Air ions and new particle formation during polar night in the Arctic Ocean

M. Lampimäki; T. Chan; T. Laurila; J. Lamilahti; L. Quelever et al.

EAC 2020 European Aerosol Conference, Aachen, Germany (online), August 2020.

Talks

Iodine Drives New Particle Formation in the Central Arctic Ocean

A. Baccarini; L. Karlsson; J. Dommen; P. Duplessis; J. Vüllers et al.

AGU American Geophysical Union Fall Meeting 2020, Online conference, December 1-17, 2020.

Observations of aerosol precursor molecules during the Polar Night in the Arctic Ocean

L. Quelever; I. F. Beck; T. Laurila; Z. Brasseur; M. Lampimaki et al.

EAC 2020 European Aerosol Conference, Aachen, Germany (online conference), August 2020.

CCN over the Southern Ocean: Sources and Relevance for Cloud Formation

J. Schmale; A. Nenes; C. Tatzelt; A. Efraim; S. Henning et al.

AGU Fall Meeting 2020, San Francisco, USA (online conference), December 1-17, 2020.

Observations of Arctic Atmospheric Boundary Layer with Small Unmanned Aerial Vehicles for MOSAiC

G. Jozef; G. de Boer; J. CAssano; D. Lawrence; B. Argrow et al.

American Geophysical Union, San Francisco, USA (online), December 2020.

Wintertime Aerosol observations during MOSAiC

I. Beck; A. Baccarini; L. Quelever; T. Jokinen; J. Schmale

European Aerosol Conference - EAC 2020, Aachen, Germany, Septembre, 2020.

Sources and Occurrence of Biological Aerosols over the Pristine Southern Ocean

A. Moallemi; S. J. H.-J. Landwehr; C. Robinson; R. Simo; G. Chen et al.

ECA 2020 European Aerosol Conference, Aachen, Germany (online conference), August 31 – September 4, 2020.

What are the sources of CCN over the Southern Ocean and how sensitive is cloud formation to CCN?

J. Schmale; A. Nenes; C. Tatzelt; A. Efraim; S. Henning et al.

ECA 2020 European Aerosol Conference, Aachen, Germany (online conference), August 31 – September 4, 2020.

Sparse Principal Component Analysis as a tool for the exploration of heterogeneous datasets from multidisciplinary field experiments

S. Landwehr; M. Volpi; F. Pérez-Cruz; J. Schmale

Data Science in Climate and Climate Impact Research, Zürich, Switzerland, August 21, 2020.

Media

Expedition Mosaic

S. Charles

2020-11-21.

Hinaus in Nacht und Kälte: Der Frauenfelder Klimaforscher Ivo Beck nimmt an der grössten Arktisexpedition aller Zeiten teil

M. Frei; I. Beck

2020-11-16.

Expedition Arktis – Ein Jahr. Ein Schiff. Im Eis.

P. Grieß

2020-11-16.

Recit d'une Scientifique en Arctique : Julia Schmale; EPFL Valais

P. Ferrari

2020-10-31.

"Polarstern" zurüch aus dem Eis

S. Schunke

2020-10-12.

Freiwillige Quarantäne trifft auf Monotonie und kaum Privatsphäre: Klimaforscher aus Frauenfeld ist zurück von Arktisexpedition

M. Frei

2020-05-06.

Polarstern ahoi!

A. Tomczak-Plewka

2020-03-05.

Datasets

Concentration of particles larger than 2.5 nm collected during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale; J. Dommen

2020-09-23.

Ozone concentration measured during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale; J. Dommen

2020.

Iodic acid, sulfuric acid and methanesulfonic acid collected during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale; J. Dommen

2020.

Sulfuric acid condensation sink calculated for the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale; J. Dommen

2020.

Ultrafine particle concentration measured during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale

2020.

Size distribution of neutral and charged particles smaller than 42 nm collected during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale; J. Dommen

2020.

Size distribution of interstitial and total particles between 18 and 660 nm collected during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale

2020.

Size distribution of aerosol particles between 2.5 and 920 nm measured during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale; J. Dommen; L. Karlsson; P. Zieger

2020.

Mask to identify polluted periods during the Arctic Ocean 2018 expedition

A. Baccarini; J. Schmale; J. Dommen

2020.

Frequent new particle formation over the high Arctic pack ice by enhanced iodine emissions, ancillary data

A. Baccarini; J. Schmale; J. Dommen; P. Zieger; L. Karlsson

2020.

ERA-5 reanalysis results interpolated onto the five-minute average cruise track of the Antarctic Circumnavigation Expedition (ACE) during the austral summer of 2016/2017

M. Volpi; S. Landwehr; J. Thomas; J. Schmale

2020.

Distance to the nearest land/coastline (including small subantarctic islands) for the five-minute average cruise track of the Antarctic Circumnavigation Expedition (ACE) during the austral summer of 2016/2017

M. Volpi; S. Landwehr; J. Thomas; J. Schmale

2020.

One-minute average cruise track and ship velocity of the Antarctic Circumnavigation Expedition (ACE) undertaken during the austral summer of 2016/2017

S. Landwehr; J. Thomas; J. Schmale

2020.

One-minute average horizontal wind velocity data (not corrected for air-flow distortion) from the Antarctic Circumnavigation Expedition (ACE) 2016/2017 legs 0 to 4

S. Landwehr; J. Thomas; J. Schmale

2020.

Air-flow distortion bias factors of the port and starboard anemometers of the Akademik Tryoshnikov estimated during the Antarctic Circumnavigation Expedition (ACE) legs 0-4 undertaken during the austral summer of 2016/2017.

S. Landwehr; J. Thomas; J. Schmale

2020.

One-minute average horizontal wind velocity data (which has been corrected for air-flow distortion) from the Antarctic Circumnavigation Expedition (ACE) 2016/2017 legs 0 to 4

S. Landwehr; J. Thomas; J. Schmale

2020.

Five-minute average horizontal wind velocity data combined from both sensors (which has been corrected for air-flow distortion) from the Antarctic Circumnavigation Expedition (ACE) 2016/2017 legs 0 to 4

S. Landwehr; J. Thomas; J. Schmale

2020.

2019

Journal Articles

Fostering multidisciplinary research on interactions between chemistry, biology, and physics within the coupled cryosphere-atmosphere system

J. L. Thomas; J. Stutz; M. M. Frey; T. Bartels-Rausch; K. Altieri et al.

Elementa-Science Of The Anthropocene. 2019-12-30. DOI : 10.1525/elementa.396.

Evaluation of global simulations of aerosol particle and cloud condensation nuclei number, with implications for cloud droplet formation

G. S. Fanourgakis; M. Kanakidou; A. Nenes; S. E. Bauer; T. Bergman et al.

Atmospheric Chemistry And Physics. 2019-07-08. DOI : 10.5194/acp-19-8591-2019.

Variation of Ice Nucleating Particles in the European Arctic Over the Last Centuries

M. Hartmann; T. Blunier; S. Brügger; J. Schmale; M. Schwikowski et al.

Geophysical Research Letters. 2019. DOI : 10.1029/2019GL082311.

Cloud droplet activation properties and scavenged fraction of black carbon in liquid-phase clouds at the high-alpine research station Jungfraujoch (3580 m a.s.l.)

G. Motos; J. Schmale; J. C. Corbin; R. L. Modini; N. Karlen et al.

Atmospheric Chemistry and Physics. 2019. DOI : 10.5194/acp-19-3833-2019.

Droplet activation behaviour of atmospheric black carbon particles in fog as a function of their size and mixing state

G. Motos; J. Schmale; J. C. Corbin; M. Zanatta; U. Baltensperger et al.

Atmospheric Chemistry and Physics. 2019. DOI : 10.5194/acp-19-2183-2019.

Overview of the Antarctic Circumnavigation Expedition: Study of Preindustrial-like Aerosols and Their Climate Effects (ACE-SPACE)

A. Baccarini; J. Schmale; I. Thurnherr; S. Henning; A. Efraim et al.

Bulletin of the American Meteorological Society. 2019. DOI : 10.1175/BAMS-D-18-0187.1.

Dissolved organic carbon in snow cover of the Chinese Altai Mountains, Central Asia: Concentrations, sources and light-absorption properties

Y. Zhang; S. Kang; T. Gao; J. Schmale; Y. Liu et al.

Science of The Total Environment. 2019. DOI : 10.1016/j.scitotenv.2018.07.417.

Media

In der Arktis: Forschungsboot soll ein Jahr lang im Eis festfrieren – auch Schweizer sind dabei

A. Banngerter

2019-08-16.

2018

Journal Articles

Long-term monitoring of black carbon across Germany

R. D. Kutzner; E. von Schneidemesser; F. Kuik; J. Quedenau; E. C. Weatherhead et al.

Atmospheric Environment. 2018. DOI : 10.1016/j.atmosenv.2018.04.039.

Local Arctic Air Pollution: A Neglected but Serious Problem

J. Schmale; S. R. Arnold; K. S. Law; T. Thorp; S. Anenberg et al.

Earth's Future. 2018. DOI : 10.1029/2018EF000952.

Long-term cloud condensation nuclei number concentration, particle number size distribution and chemical composition measurements at regionally representative observatories

J. Schmale; S. Henning; S. Decesari; B. Henzing; H. Keskinen et al.

Atmospheric Chemistry and Physics. 2018. DOI : 10.5194/acp-18-2853-2018.

2017

Journal Articles

Modulation of snow reflectance and snowmelt from Central Asian glaciers by anthropogenic black carbon

J. Schmale; M. Flanner; S. Kang; M. Sprenger; Q. Zhang et al.

Scientific Reports. 2017. DOI : 10.1038/srep40501.

A survey on the perceived need and value of decision-support tools for joint mitigation of air pollution and climate change in cities

E. Von Schneidemesser; R. D. Kutzner; J. Schmale

Elementa Science of the Anthropocene. 2017. DOI : 10.1525/elementa.126.

Light-absorbing impurities enhance glacier albedo reduction in the southeastern Tibetan plateau

Y. Zhang; S. Kang; Z. Cong; J. Schmale; M. Sprenger et al.

Journal of Geophysical Research: Atmospheres. 2017. DOI : 10.1002/2016JD026397.

Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition

J. Schmale; S. Henning; B. Henzing; H. Keskinen; K. Sellegri et al.

Scientific Data. 2017. DOI : 10.1038/sdata.2017.3.

2016

Journal Articles

Sustainable policy—key considerations for air quality and climate change

M. L. Melamed; J. Schmale; E. von Schneidemesser

Current Opinion in Environmental Sustainability. 2016. DOI : 10.1016/j.cosust.2016.12.003.

Measurement of ammonia emissions from temperate and sub-polar seabird colonies

S. Riddick; T. Blackall; U. Dragosits; F. Daunt; M. Newell et al.

Atmospheric Environment. 2016. DOI : 10.1016/j.atmosenv.2016.03.016.

Book Chapters

Building Interfaces That Work: A Multi-stakeholder Approach to Air Pollution and Climate Change Mitigation

J. Schmale; E. von Schneidemesser; I. Chabay; A. Maas; M. G. Lawrence

Communicating Climate-Change and Natural Hazard Risk and Cultivating Resilience; Springer, Cham, 2016. p. 12.

2015

Journal Articles

An Integrated Assessment Method for Sustainable Transport System Planning in a Middle Sized German City

J. Schmale; E. von Schneidemesser; A. Dörrie

Sustainability. 2015. DOI : 10.3390/su7021329.

Short-term solutions

J. Schmale

Nature Climate Change. 2015. DOI : 10.1038/nclimate2897.

2014

Journal Articles

Air pollution: Clean up our skies

J. Schmale; D. Shindell; E. von Schneidemesser; I. Chabay; M. Lawrence

Nature. 2014. DOI : 10.1038/515335a.

New Directions: Support for integrated decision-making in air and climate policies – Development of a metrics-based information portal

J. Schmale; J. van Aardenne; E. von Schneidemesser

Atmospheric Environment. 2014. DOI : 10.1016/j.atmosenv.2014.03.016.

2013

Journal Articles

Sub-Antarctic marine aerosol: dominant contributions from biogenic sources

J. Schmale; J. Schneider; E. Nemitz; Y. S. Tang; U. Dragosits et al.

Atmospheric Chemistry and Physics. 2013. DOI : 10.5194/acp-13-8669-2013.

2011

Journal Articles

Physical and chemical properties of pollution aerosol particles transported from North America to Greenland as measured during the POLARCAT summer campaign

B. Quennehen; A. Schwarzenboeck; J. Schmale; J. Schneider; H. Sodemann et al.

Atmospheric Chemistry and Physics. 2011. DOI : 10.5194/acp-11-10947-2011.

Source identification and airborne chemical characterisation of aerosol pollution from long-range transport over Greenland during POLARCAT summer campaign 2008

J. Schmale; J. Schneider; G. Ancellet; B. Quennehen; A. Stohl et al.

Atmospheric Chemistry and Physics. 2011. DOI : 10.5194/acp-11-10097-2011.

2010

Journal Articles

Airborne stratospheric ITCIMS measurements of SO2, HCl, and HNO3in the aged plume of volcano Kasatochi

T. Jurkat; C. Voigt; F. Arnold; H. Schlager; H. Aufmhoff et al.

Journal of Geophysical Research. 2010. DOI : 10.1029/2010JD013890.

Aerosol layers from the 2008 eruptions of Mount Okmok and Mount Kasatochi: In situ upper troposphere and lower stratosphere measurements of sulfate and organics over Europe

J. Schmale; J. Schneider; T. Jurkat; C. Voigt; H. Kalesse et al.

Journal of Geophysical Research. 2010. DOI : 10.1029/2009JD013628.

In-situ observations of young contrails – overview and selected results from the CONCERT campaign

C. Voigt; U. Schumann; T. Jurkat; D. Schäuble; H. Schlager et al.

Atmospheric Chemistry and Physics. 2010. DOI : 10.5194/acp-10-9039-2010.

Teaching & PhD

Teaching

Environmental Sciences and Engineering

PhD Programs

Doctoral Program in Civil and Environmental Engineering

PhD Students

Beck Ivo Fabio, Pohorsky Roman,

Courses

Physics and chemistry of the atmosphere

The course provides an introduction to the physical and chemical processes that govern the atmospheric dynamics at small and large scales. The basis is laid for an in depth understanding of our atmospheric environment and the climate system.

Air pollution and climate change

A survey course describing the origins of air pollution and climate change

Science of climate change

The course equips students with a comprehensive scientific understanding of climate change covering a wide range of topics from physical principles, historical climate change, greenhouse gas emissions, the IPCC assessment to future scenarios and climate action.