World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
48
Citations
9202
World Ranking
5516
National Ranking
236

Overview

Alexandra Steffen is affiliated with Environment and Climate Change Canada in Canada, focusing primarily on environmental science. Their research encompasses various subfields, including health, toxicology and mutagenesis, ecology, global and planetary change, atmospheric science, and electronic, optical, and magnetic materials.

The scientist's body of work explores topics such as mercury impact and mitigation studies, toxic organic pollutants impact, atmospheric and environmental gas dynamics, air quality and health impacts, isotope analysis in ecology, marine animal studies, and atmospheric chemistry and aerosols.

Frequent collaboration is noted with several coauthors, including Geoff W. Stupple, Bridget A. Bergquist, Carl P. J. Mitchell, Frank Wania, and Natalie Szponar.

Alexandra Steffen has published multiple research papers in various scientific journals. Notable recent publications include:

  • Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere, 2022, Nature Communications
  • Mercury stable isotopes reveal the sources and transformations of atmospheric Hg in the high Arctic, 2021, Applied Geochemistry
  • Isotopic Characterization of Atmospheric Gaseous Elemental Mercury by Passive Air Sampling, 2020, Environmental Science & Technology
  • Updated trends for atmospheric mercury in the Arctic: 1995-2018, 2022, The Science of The Total Environment
  • A field intercomparison of three passive air samplers for gaseous mercury in ambient air, 2021, Atmospheric Measurement Techniques

Their work has appeared frequently in prominent scientific venues such as Atmospheric Chemistry and Physics, Nature Communications, Applied Geochemistry, Environmental Science & Technology, and The Science of The Total Environment.

Best Publications

  • Arctic springtime depletion of mercury

    W. H. Schroeder;K. G. Anlauf;L. A. Barrie;J. Y. Lu

  • Halogens and their role in polar boundary-layer ozone depletion

    W. R. Simpson;R. von Glasow;K. Riedel;P. Anderson

  • A synthesis of atmospheric mercury depletion event chemistry in the atmosphere and snow

    A. Steffen;T. Douglas;M. Amyot;P. Ariya

  • Gas-particle partitioning of atmospheric Hg(II) and its effect on global mercury deposition

    Helen Marie Amos;Daniel J. Jacob;C. D. Holmes;Jenny Allison Fisher

  • Analysis of Flavor Volatiles Using Headspace Solid-Phase Microextraction

    Alexandra Steffen;Janusz Pawliszyn

  • Magnification of atmospheric mercury deposition to polar regions in springtime: The link to tropospheric ozone depletion chemistry

    Julia Y. Lu;William H. Schroeder;Len A. Barrie;Alexandra Steffen

  • The Arctic: a sink for mercury

    Parisa A. Ariya;Ashu P. Dastoor;Marc Amyot;William H. Schroeder

  • How does climate change influence Arctic mercury

    Gary A. Stern;Gary A. Stern;Robie W. Macdonald;Robie W. Macdonald;Peter M. Outridge;Peter M. Outridge;Simon Wilson

  • Worldwide trend of atmospheric mercury since 1977

    Franz Slemr;Ernst-Günther Brunke;Ralf Ebinghaus;Christian Temme

  • Riverine source of Arctic Ocean mercury inferred from atmospheric observations

    Jenny Allison Fisher;Daniel J. Jacob;Anne Laerke Soerensen;Helen Marie Amos

  • Mercury in Arctic Marine Ecosystems: Sources, Pathways, and Exposure

    Jane L. Kirk;Igor Lehnherr;Maria Andersson;Birgit M. Braune

  • Atmospheric mercury concentrations: measurements and profiles near snow and ice surfaces in the Canadian Arctic during Alert 2000

    Alexandra Steffen;William Schroeder;Jan Bottenheim;Julie Narayan

  • Mercury in the Arctic atmosphere: an analysis of eight years of measurements of GEM at Alert (Canada) and a comparison with observations at Amderma (Russia) and Kuujjuarapik (Canada).

    Alexandra Steffen;William Schroeder;Rob Macdonald;Laurier Poissant

  • Temporal and spatial variability of total gaseous mercury in Canada : Results from the Canadian Atmospheric Mercury Measurement Network (CAMNet)

    Markus Kellerhals;Stephen Beauchamp;Wayne Belzer;Pierrette Blanchard

  • Trend, seasonal and multivariate analysis study of total gaseous mercury data from the Canadian atmospheric mercury measurement network (CAMNet)

    Christian Temme;P. Blanchard;A. Steffen;C. Banic

  • Some Sources and Sinks of Monomethyl and Inorganic Mercury on Ellesmere Island in the Canadian High Arctic

    Vincent L. St. Louis;Martin J. Sharp;Alexandra Steffen;Al May

  • Atmospheric Mercury Concentrations from Several Observatory Sites in the Northern Hemisphere

    Ki-Hyun Kim;R. Ebinghaus;W. H. Schroeder;P. Blanchard

  • Nested-grid simulation of mercury over North America

    Y. Zhang;L. Jaeglé;A. van Donkelaar;R. V. Martin;R. V. Martin

  • Modeling dynamic exchange of gaseous elemental mercury at polar sunrise.

    Ashu P. Dastoor;Didier Davignon;Nicolas Theys;Michel Van Roozendael

  • Direct detection of atmospheric atomic bromine leading to mercury and ozone depletion

    Siyuan Wang;Stephen M. McNamara;Christopher W. Moore;Daniel Obrist

  • Vertical distribution of gaseous elemental mercury in Canada

    C. M. Banic;S. T. Beauchamp;R. J. Tordon;W. H. Schroeder

  • Size-resolved aerosol chemistry on Whistler Mountain, Canada with a high-resolution aerosol mass spectrometer during INTEX-B

    Y. Sun;Q. Zhang;A. M. Macdonald;K. Hayden

Frequent Co-Authors

Jan W. Bottenheim
Jan W. Bottenheim Environment and Climate Change Canada
Ralf M. Staebler
Ralf M. Staebler Environment and Climate Change Canada
Thomas A. Douglas
Thomas A. Douglas Cold Regions Research and Engineering Laboratory
Ralf Ebinghaus
Ralf Ebinghaus Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research
Aurélien Dommergue
Aurélien Dommergue Grenoble Alpes University
Paul B. Shepson
Paul B. Shepson Stony Brook University
Daniel Obrist
Daniel Obrist University of Massachusetts Lowell
Christophe Ferrari
Christophe Ferrari Observatoire de la Côte d’Azur
Randall V. Martin
Randall V. Martin Washington University in St. Louis
Lars Kaleschke
Lars Kaleschke Alfred Wegener Institute for Polar and Marine Research

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in Environmental Sciences, exploring related online degrees can open additional career pathways. For example, students seeking advanced social work roles connected to environmental justice may consider the cheapest dsw program. This doctoral degree offers affordable options for those wanting to impact communities through environmental advocacy and policy.

If you prefer a flexible and broad approach, an affordable online general studies degree provides a customizable curriculum. This can include environmental topics alongside other interests, helping students tailor their education to specific career goals.

For students prioritizing ease of completion without sacrificing quality, some of the easiest bachelor's degree programs online offer pathways into environmental fields. These programs can provide foundational knowledge and prepare graduates for entry-level roles or further specialization.

Lastly, for a more specialized technical focus, pursuing a geology degree online is an excellent option. This degree supports careers in earth sciences, resource management, and environmental protection, closely aligned with Environmental Sciences.

Best Scientists Citing Alexandra Steffen

Trending Scientists

Recently Published Articles