Hélène Angot

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Affiliation actuelle
  • Institut des Géosciences de l’Environnement (IGE)
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Publications

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Observations of high-time-resolution and size-resolved aerosol chemical composition and microphysics in the central Arctic: implications for climate-relevant particle properties

Benjamin Heutte , Nora Bergner , Hélène Angot , Jakob B Pernov , Lubna Dada et al.
Atmospheric Chemistry and Physics, 2025, 25 (4), pp.2207-2241. ⟨10.5194/acp-25-2207-2025⟩
Article dans une revue hal-04957066 v1
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Melt pond CO<sub>2</sub> dynamics and fluxes with the atmosphere in the central Arctic Ocean during the summer-to-autumn transition

Masaki Yoshimura , Daiki Nomura , Alison L Webb , Yuhong Li , Manuel Dall’osto et al.
Elementa: Science of the Anthropocene, 2025, 13 (1), pp.00023. ⟨10.1525/elementa.2024.00023⟩
Article dans une revue hal-04907306 v1
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Characteristics and effects of aerosols during blowing snow events in the central Arctic

Nora Bergner , Benjamin Heutte , Ivo Beck , Jakob B Pernov , Hélène Angot et al.
Elementa: Science of the Anthropocene, 2025, 13 (1), pp.00047. ⟨10.1525/elementa.2024.00047⟩
Article dans une revue hal-05031108 v1
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Mercury Sources Between Zhongshan Station and Dome A, Eastern Antarctica Identified Using Mercury Stable Isotopes

Chuanjin Li , Jiubin Chen , Guitao Shi , Guitao Shi , Wang Zheng et al.
Geophysical Research Letters, 2025, 52 (4), ⟨10.1029/2024GL112649⟩
Article dans une revue hal-04944844 v1
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Methane and volatile organic compounds and their influence on air quality in Boulder, Colorado

Detlev Helmig , Gabriel Greenberg , Jacques Hueber , Brendan Blanchard , Jashan Chopra et al.
Elementa: Science of the Anthropocene, 2025, 13 (1), ⟨10.1525/elementa.2023.00117⟩
Article dans une revue hal-04882137 v1
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The annual cycle and sources of relevant aerosol precursor vapors in the central Arctic during the MOSAiC expedition

Matthew Boyer , Diego Aliaga , Lauriane L J Quéléver , Silvia Bucci , Hélène Angot et al.
Atmospheric Chemistry and Physics, 2024, 24 (22), pp.12595-12621. ⟨10.5194/acp-24-12595-2024⟩
Article dans une revue hal-04782695 v1
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Characteristics and sources of fluorescent aerosols in the central Arctic Ocean

Ivo Beck , Alireza Moallemi , Benjamin Heutte , Jakob Boyd Pernov , Nora Bergner et al.
Elementa: Science of the Anthropocene, 2024, 12 (1), pp.00125. ⟨10.1525/elementa.2023.00125⟩
Article dans une revue hal-04597406 v1
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Polar Aerosol Atmospheric Rivers: Detection, Characteristics, and Potential Applications

Rémy Lapere , Jennie L Thomas , Vincent Favier , Hélène Angot , Julia Asplund et al.
Journal of Geophysical Research: Atmospheres, 2024, 129 (2), pp.e2023JD039606. ⟨10.1029/2023jd039606⟩
Article dans une revue insu-04394770 v1
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Exploring Drivers of Historic Mercury Trends in Beluga Whales Using an Ecosystem Modeling Approach

Emma J Gillies , Mi-Ling Li , Villy Christensen , Carie Hoover , Kristen J Sora et al.
ACS Environmental Au, 2024, 4 (5), pp.219-235. ⟨10.1021/acsenvironau.3c00072⟩
Article dans une revue hal-04693285 v1
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Stable Tuna Mercury Concentrations since 1971 Illustrate Marine Inertia and the Need for Strong Emission Reductions under the Minamata Convention

Anaïs Médieu , David Point , Jeroen Sonke , Hélène Angot , Valérie Allain et al.
Environmental Science and Technology Letters, 2024, 11 (3), pp.250-258. ⟨10.1021/acs.estlett.3c00949⟩
Article dans une revue hal-04508967 v1
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Modelling the coupled mercury-halogen-ozone cycle in the central Arctic during spring

Shaddy Ahmed , Jennie L. Thomas , Hélène Angot , Aurélien Dommergue , Stephen D. Archer et al.
Elementa-science Of The Anthropocene, 2023, 11 (1), pp.6237-6271. ⟨10.1525/elementa.2022.00129⟩
Article dans une revue hal-04233284 v1
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Low ozone dry deposition rates to sea ice during the MOSAiC field campaign: Implications for the Arctic boundary layer ozone budget

Johannes G M Barten , Laurens N Ganzeveld , Gert-Jan Steeneveld , Byron W Blomquist , Hélène Angot et al.
Elementa: Science of the Anthropocene, 2023, 11 (1), pp.00086. ⟨10.1525/elementa.2022.00086⟩
Article dans une revue hal-04292739 v1
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Bromine, iodine and sodium along the EAIIST traverse: Bulk and surface snow latitudinal variability

G Celli , W R L Cairns , C Scarchilli , C A Cuevas , A Saiz-Lopez et al.
Environmental Research, 2023, 239 (1), pp.117344. ⟨10.1016/j.envres.2023.117344⟩
Article dans une revue hal-04382659 v1
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The Marginal Ice Zone as a dominant source region of atmospheric mercury during central Arctic summertime

Fange Yue , Hélène Angot , Byron Blomquist , Julia Schmale , Clara J M Hoppe et al.
Nature Communications, 2023, 14 (1), pp.4887. ⟨10.1038/s41467-023-40660-9⟩
Article dans une revue hal-04292742 v1
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Over a decade of atmospheric mercury monitoring at Amsterdam Island in the French Southern and Antarctic Lands

Olivier Magand , Hélène Angot , Yann Bertrand , Jeroen E Sonke , Laure Laffont et al.
Scientific Data , 2023, 10 (1), ⟨10.1038/s41597-023-02740-9⟩
Article dans une revue hal-04349870 v1
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Untangling the influence of Antarctic and Southern Ocean life on clouds

Marc Mallet , Ruhi Humphries , Sonya Fiddes , Simon Alexander , Katye Altieri et al.
Elementa: Science of the Anthropocene, 2023, 11 (1), ⟨10.1525/elementa.2022.00130⟩
Article dans une revue hal-04244663 v1
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A full year of aerosol size distribution data from the central Arctic under an extreme positive Arctic Oscillation: insights from the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition

Matthew Boyer , Diego Aliaga , Jakob Boyd Pernov , Hélène Angot , Lauriane L J Quéléver et al.
Atmospheric Chemistry and Physics, 2023, 23, pp.389 - 415. ⟨10.5194/acp-23-389-2023⟩
Article dans une revue hal-04382719 v1
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Widespread detection of chlorine oxyacids in the Arctic atmosphere

Yee Jun Tham , Nina Sarnela , Siddharth Iyer , Qinyi Li , Hélène Angot et al.
Nature Communications, 2023, 14 (1), pp.1769. ⟨10.1038/s41467-023-37387-y⟩
Article dans une revue hal-04292735 v1
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Thin and transient meltwater layers and false bottoms in the Arctic sea ice pack—Recent insights on these historically overlooked features

Madison M Smith , Hélène Angot , Emelia J Chamberlain , Elise S Droste , Salar Karam et al.
Elementa: Science of the Anthropocene, 2023, 11 (1), pp.00025. ⟨10.1525/elementa.2023.00025⟩
Article dans une revue hal-04382670 v1
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Global change effects on biogeochemical mercury cycling

Jeroen E Sonke , Hélène Angot , Yanxu Zhang , Alexandre Poulain , Erik Bjorn et al.
AMBIO: A Journal of Environment and Society, 2023, ⟨10.1007/s13280-023-01855-y⟩
Article dans une revue hal-04382707 v1
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Measurements of aerosol microphysical and chemical properties in the central Arctic atmosphere during MOSAiC

Benjamin Heutte , Nora Bergner , Ivo Beck , Hélène Angot , Lubna Dada et al.
Scientific Data , 2023, 10, pp.690. ⟨10.1038/s41597-023-02586-1⟩
Article dans une revue (data paper) hal-04382649 v1
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Polar oceans and sea ice in a changing climate

Megan D Willis , Delphine Lannuzel , Brent Else , Hélène Angot , Karley Campbell et al.
Elementa: Science of the Anthropocene, 2023, 11 (1), pp.00056. ⟨10.1525/elementa.2023.00056⟩
Article dans une revue hal-04382605 v1
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Atmospheric biogenic volatile organic compounds in the Alaskan Arctic tundra: constraints from measurements at Toolik Field Station

Vanessa Selimovic , Damien Ketcherside , Sreelekha Chaliyakunnel , Catherine Wielgasz , Wade Permar et al.
Atmospheric Chemistry and Physics, 2022, 22, pp.14037-14058. ⟨10.5194/acp-22-14037-2022⟩
Article dans une revue hal-04382730 v1
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Automated identification of local contamination in remote atmospheric composition time series

Ivo Beck , Hélène Angot , Andrea Baccarini , Lubna Dada , Lauriane Quéléver et al.
Atmospheric Measurement Techniques, 2022, 15 (14), pp.4195-4224. ⟨10.5194/amt-15-4195-2022⟩
Article dans une revue hal-04382744 v1
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Evidence that Pacific tuna mercury levels are driven by marine methylmercury production and anthropogenic inputs

Anaïs Médieu , David Point , Takaaki Itai , Hélène Angot , Pearse Buchanan et al.
Proceedings of the National Academy of Sciences of the United States of America, 2022, 119 (2), pp.e2113032119. ⟨10.1073/pnas.2113032119⟩
Article dans une revue hal-03535193 v1
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Year-round trace gas measurements in the central Arctic during the MOSAiC expedition

Hélène Angot , Byron Blomquist , Dean Howard , Stephen Archer , Ludovic Bariteau et al.
Scientific Data , 2022, 9 (1), pp.723. ⟨10.1038/s41597-022-01769-6⟩
Article dans une revue hal-03933397 v1
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A central arctic extreme aerosol event triggered by a warm air-mass intrusion

Lubna Dada , Hélène Angot , Ivo Beck , Andrea Baccarini , Lauriane L J Quéléver et al.
Nature Communications, 2022, 13, ⟨10.1038/s41467-022-32872-2⟩
Article dans une revue hal-04383091 v1

What are the likely changes in mercury concentration in the Arctic atmosphere and ocean under future emissions scenarios?

Amina T Schartup , Anne L Soerensen , Hélène Angot , Katlin Bowman , Noelle E Selin
Science of the Total Environment, 2022, 836, ⟨10.1016/j.scitotenv.2022.155477⟩
Article dans une revue hal-04382761 v1
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Arctic mercury cycling

Ashu Dastoor , Hélène Angot , Johannes Bieser , Jesper Christensen , Thomas Douglas et al.
Nature Reviews Earth & Environment, 2022, ⟨10.1038/s43017-022-00269-w⟩
Article dans une revue hal-03619231 v1
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Arctic atmospheric mercury: Sources and changes

Ashu Dastoor , Simon J Wilson , Oleg Travnikov , Andrei Ryjkov , Hélène Angot et al.
Science of the Total Environment, 2022, 839, ⟨10.1016/j.scitotenv.2022.156213⟩
Article dans une revue hal-04382754 v1
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Substantial contribution of iodine to Arctic ozone destruction

Nuria Benavent , Anoop Mahajan , Qinyi Li , Carlos Cuevas , Julia Schmale et al.
Nature Geoscience, 2022, ⟨10.1038/s41561-022-01018-w⟩
Article dans une revue hal-03779484 v1
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Overview of the MOSAiC expedition: Atmosphere

Matthew Shupe , Markus Rex , Byron Blomquist , P Ola , G Persson et al.
Elementa: Science of the Anthropocene, 2022, ⟨10.1525/elementa.2021.00060⟩
Article dans une revue hal-03614449 v1
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Atmospheric oil and natural gas hydrocarbon trends in the Northern Colorado Front Range are notably smaller than inventory emissions reductions

Samuel J Oltmans , Lucy C Cheadle , Detlev Helmig , Hélène Angot , Gabrielle Pétron et al.
Elementa: Science of the Anthropocene, 2021, 9, ⟨10.1525/elementa.2020.00136⟩
Article dans une revue hal-04382816 v1
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Large contribution of biomass burning emissions to ozone throughout the global remote troposphere

Ilann Bourgeois , Jeff Peischl , J. Andrew Neuman , Steven S Brown , Chelsea R Thompson et al.
Proceedings of the National Academy of Sciences of the United States of America, 2021, 118 (52), ⟨10.1073/pnas.2109628118⟩
Article dans une revue hal-04382778 v1

Mercury in precipitated and surface snow at Dome C and a first estimate of mercury depositional fluxes during the Austral summer on the high Antarctic plateau

Warren Rl. Cairns , Clara Turetta , Niccolò Maffezzoli , Olivier Magand , Beatriz Ferreira Araujo et al.
Atmospheric Environment, 2021, 262, ⟨10.1016/j.atmosenv.2021.118634⟩
Article dans une revue insu-03706450 v1
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Temporary pause in the growth of atmospheric ethane and propane in 2015–2018

Hélène Angot , Connor Davel , Christine Wiedinmyer , Gabrielle Pétron , Jashan Chopra et al.
Atmospheric Chemistry and Physics, 2021, 21, pp.15153 - 15170. ⟨10.5194/acp-21-15153-2021⟩
Article dans une revue hal-04382810 v1

Atmospheric mercury sources in a coastal-urban environment: a case study in Boston, Massachusetts, USA

Hélène Angot , Emma Rutkowski , Maryann Sargent , Steven C Wofsy , Lucy R Hutyra et al.
Environmental Science: Processes & Impacts, 2021, 23, pp.1914 - 1929. ⟨10.1039/d1em00253h⟩
Article dans une revue hal-04382791 v1
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Atmospheric mercury in the Southern Hemisphere – Part 2: Source apportionment analysis at Cape Point station, South Africa

Johannes Bieser , Hélène Angot , Franz Slemr , Lynwill Martin
Atmospheric Chemistry and Physics, 2020, 20, pp.10427 - 10439. ⟨10.5194/acp-20-10427-2020⟩
Article dans une revue hal-04382841 v1
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Atmospheric mercury in the Southern Hemisphere – Part 1: Trend and inter-annual variations in atmospheric mercury at Cape Point, South Africa, in 2007–2017, and on Amsterdam Island in 2012–2017

Franz Slemr , Lynwill Martin , Casper Labuschagne , Thumeka Mkololo , Helene Angot et al.
Atmospheric Chemistry and Physics, 2020, 20 (13), pp.7683-7692. ⟨10.5194/acp-20-7683-2020⟩
Article dans une revue hal-02897103 v1
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Biogenic volatile organic compound ambient mixing ratios and emission rates in the Alaskan Arctic tundra

Hélène Angot , Katelyn Mcerlean , Lu Hu , Dylan B Millet , Jacques Hueber et al.
Biogeosciences, 2020, 17, pp.6219 - 6236. ⟨10.5194/bg-17-6219-2020⟩
Article dans une revue hal-04382825 v1

Seasonal Variation of Mercury and Its Isotopes in Atmospheric Particles at the Coastal Zhongshan Station, Eastern Antarctica

Chuanjin Li , Jiubin Chen , Hélène Angot , Wang Zheng , Guitao Shi et al.
Environmental Science and Technology, 2020, 54, pp.11344 - 11355. ⟨10.1021/acs.est.0c04462⟩
Article dans une revue hal-04382834 v1
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Impact of dam flushing operations on sediment dynamics and quality in the upper Rhône River, France

Hugo Lepage , Marina Launay , Jérôme Le Coz , Hélène Angot , Cecile Miege et al.
Journal of Environmental Management, 2020, 255, pp.1-10. ⟨10.1016/j.jenvman.2019.109886⟩
Article dans une revue hal-02454925 v1

Mercury Benefits of Climate Policy in China: Addressing the Paris Agreement and the Minamata Convention Simultaneously

Kathleen M Mulvaney , Noelle E Selin , Amanda Giang , Marilena Muntean , Chiao-Ting Li et al.
Environmental Science and Technology, 2020, 54, pp.1326 - 1335. ⟨10.1021/acs.est.9b06741⟩
Article dans une revue hal-04382851 v1
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Diurnal cycle of iodine, bromine, and mercury concentrations in Svalbard surface snow

Andrea Spolaor , Elena Barbaro , David Cappelletti , Clara Turetta , Mauro Mazzola et al.
Atmospheric Chemistry and Physics, 2019, 19, pp.13325 - 13339. ⟨10.5194/acp-19-13325-2019⟩
Article dans une revue hal-04349829 v1

Feedback mechanisms between snow and atmospheric mercury: Results and observations from field campaigns on the Antarctic plateau

Andrea Spolaor , Hélène Angot , Marco Roman , Aurélien Dommergue , Claudio Scarchilli et al.
Chemosphere, 2018, 197, pp.306-317. ⟨10.1016/j.chemosphere.2017.12.180⟩
Article dans une revue hal-04382879 v1
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Sampling of suspended particulate matter using particle traps in the Rhône River: Relevance and representativeness for the monitoring of contaminants

M. Masson , H. Angot , C. Le Bescond , M. Launay , Aymeric Dabrin et al.
Science of the Total Environment, 2018, 637-638, pp.538-549. ⟨10.1016/j.scitotenv.2018.04.343⟩
Article dans une revue hal-02015899 v1

Global and Local Impacts of Delayed Mercury Mitigation Efforts

Hélène Angot , Nicholas Hoffman , Amanda Giang , Colin P Thackray , Ashley N Hendricks et al.
Environmental Science and Technology, 2018, 52, pp.12968 - 12977. ⟨10.1021/acs.est.8b04542⟩
Article dans une revue hal-04382863 v1
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The Superstatistical Nature and Interoccurrence Time of Atmospheric Mercury Concentration Fluctuations

F. Carbone , A. G. Bruno , A. Naccarato , F. Deâ Simone , C. N. Gencarelli et al.
Journal of Geophysical Research: Atmospheres, 2018, 123, pp.764-774. ⟨10.1002/2017JD027384⟩
Article dans une revue insu-03706514 v1
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Understanding mercury oxidation and air–snow exchange on the East Antarctic Plateau: a modeling study

Shaojie E Song , Hélène Angot , Noelle E Selin , Hubert Gallée , Francesca Sprovieri et al.
Atmospheric Chemistry and Physics, 2018, 18 (21), pp.15825-15840. ⟨10.5194/acp-18-15825-2018⟩
Article dans une revue hal-02350377 v1
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Tracing the Fate of Atmospheric Nitrate in a Subalpine Watershed Using Δ17 O

Ilann Bourgeois , Joel Savarino , Nicolas Caillon , Hélène Angot , Albane Barbero et al.
Environmental Science and Technology, 2018, 52 (10), pp.5561 - 5570. ⟨10.1021/acs.est.7b02395⟩
Article dans une revue hal-01801964 v2
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Characterizing Atmospheric Transport Pathways to Antarctica and the Remote Southern Ocean Using Radon-222

Scott D Chambers , Susanne Preunkert , Rolf Weller , Sang-Bum Hong , Ruhi S Humphries et al.
Frontiers in Earth Science, 2018, 6, ⟨10.3389/feart.2018.00190⟩
Article dans une revue hal-04349815 v1
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Multi-model study of mercury dispersion in the atmosphere: atmospheric processes and model evaluation

Oleg Travnikov , Hélène Angot , Paulo Artaxo , Mariantonia Bencardino , Johannes Bieser et al.
Atmospheric Chemistry and Physics, 2017, 17, pp.5271-5295. ⟨10.5194/acp-17-5271-2017⟩
Article dans une revue insu-03706526 v1
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Five-year records of mercury wet deposition flux at GMOS sites in the Northern and Southern hemispheres

Francesca Sprovieri , Nicola Pirrone , Mariantonia Bencardino , Francesco d'Amore , Helene Angot et al.
Atmospheric Chemistry and Physics, 2017, 17, pp.2689-2708. ⟨10.5194/acp-17-2689-2017⟩
Article dans une revue insu-03706528 v1
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Chemical cycling and deposition of atmospheric mercury in polar regions: review of recent measurements and comparison with models

Hélène Angot , Ashu Dastoor , Francesco de Simone , Katarina Gårdfeldt , Christian N Gencarelli et al.
Atmospheric Chemistry and Physics, 2016, 16 (16), pp.10735 - 10763. ⟨10.5194/acp-16-10735-2016⟩
Article dans une revue hal-04383218 v1
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Atmospheric mercury concentrations observed at ground-based monitoring sites globally distributed in the framework of the GMOS network

Francesca Sprovieri , Nicola Pirrone , Mariantonia Bencardino , Francesco D 'Amore , Francesco Carbone et al.
Atmospheric Chemistry and Physics, 2016, 16 (18), pp.11915 - 11935. ⟨10.5194/acp-16-11915-2016⟩
Article dans une revue hal-01836095 v1
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Multi-year record of atmospheric mercury at Dumont d'Urville, East Antarctic coast: continental outflow and oceanic influences

Hélène Angot , Iris Dion , Nicolas Vogel , Michel Legrand , Olivier Magand et al.
Atmospheric Chemistry and Physics, 2016, 16 (13), pp.8265-8279. ⟨10.5194/acp-16-8265-2016⟩
Article dans une revue insu-01391278 v1
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New insights into the atmospheric mercury cycling in central Antarctica and implications on a continental scale

Hélène Angot , Olivier Magand , Detlev Helmig , Philippe Ricaud , Boris Quennehen et al.
Atmospheric Chemistry and Physics, 2016, 16 (13), pp.8249-8264. ⟨10.5194/acp-16-8249-2016⟩
Article dans une revue insu-01391379 v1
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Comparison of mercury concentrations measured at several sites in the Southern Hemisphere

F Slemr , Hélène Angot , A Dommergue , O Magand , M Barret et al.
Atmospheric Chemistry and Physics, 2015, 15, pp.3125 - 3133. ⟨10.5194/acp-15-3125-2015⟩
Article dans une revue hal-04382890 v1
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Top-down constraints on atmospheric mercury emissions and implications for global biogeochemical cycling

S Song. , Ne Selin , A.L Soerensen , Hélène Angot , R Artz et al.
Atmospheric Chemistry and Physics, 2015, 15 (12), pp.7103-7125. ⟨10.5194/acp-15-7103-2015⟩
Article dans une revue insu-01203657 v1
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Calibrating pollutant dispersion in 1-D hydraulic models of river networks

M. Launay , J. Le Coz , B. Camenen , C. Walter , H. Angot et al.
Journal of Hydro-environment Research, 2015, 9 (1), pp.120-132. ⟨10.1016/j.jher.2014.07.005⟩
Article dans une revue hal-01118986 v1

Numerical and physical simulation of soluble contaminant transport through complex large river systems

M. Launay , J. Le Coz , H. Angot , Guillaume Dramais , E. Andries et al.
J. Hydro-engineeing Res., 2014
Article dans une revue hal-01787320 v1
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A 2-year record of atmospheric mercury species at a background Southern Hemisphere station on Amsterdam Island

H. Angot , M. Barret , O. Magand , M. Ramonet , A. Dommergue
Atmospheric Chemistry and Physics, 2014, 14 (20), pp.11461-11473. ⟨10.5194/acp-14-11461-2014⟩
Article dans une revue hal-03116021 v1