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Detlev Helmig
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Journal Articles

Methane and volatile organic compounds and their influence on air quality in Boulder, Colorado

Open Access
Detlev Helmig, Gabriel Greenberg, Jacques Hueber, Brendan Blanchard, Jashan Chopra ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2025) 13 (1): 00117.
https://doi.org/10.1525/elementa.2023.00117
Published: 03 January 2025
View articletitled, Methane and volatile organic compounds and their influence on air quality in Boulder, Colorado
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Includes: Supplementary data
Journal Articles

Modelling the coupled mercury-halogen-ozone cycle in the central Arctic during spring

Open Access
Shaddy Ahmed, Jennie L. Thomas, Hélène Angot, Aurélien Dommergue, Stephen D. Archer ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2023) 11 (1): 00129.
https://doi.org/10.1525/elementa.2022.00129
Published: 11 May 2023
View articletitled, Modelling the coupled mercury-halogen-ozone cycle in the central Arctic during spring
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Includes: Supplementary data
Journal Articles

Low ozone dry deposition rates to sea ice during the MOSAiC field campaign: Implications for the Arctic boundary layer ozone budget

Open Access
Johannes G.M. Barten, Laurens N. Ganzeveld, Gert-Jan Steeneveld, Byron W. Blomquist, Hélène Angot ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2023) 11 (1): 00086.
https://doi.org/10.1525/elementa.2022.00086
Published: 15 February 2023
View articletitled, Low ozone dry deposition rates to sea ice during the MOSAiC field campaign: Implications for the Arctic boundary layer ozone budget
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Includes: Supplementary data
Journal Articles

Overview of the MOSAiC expedition: Atmosphere

Open Access
Matthew D. Shupe, Markus Rex, Byron Blomquist, P. Ola G. Persson, Julia Schmale ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2022) 10 (1): 00060.
https://doi.org/10.1525/elementa.2021.00060
Published: 07 February 2022
View articletitled, Overview of the MOSAiC expedition: Atmosphere
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Journal Articles

Spatial distribution of atmospheric oil and natural gas volatile organic compounds in the Northern Colorado Front Range

Open Access
Samuel Rossabi, Jacques Hueber, Wei Wang, Pam Milmoe, Detlev Helmig
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2021) 9 (1): 00036.
https://doi.org/10.1525/elementa.2019.00036
Published: 22 December 2021
View articletitled, Spatial distribution of atmospheric oil and natural gas volatile organic compounds in the Northern Colorado Front Range
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Includes: Supplementary data
Journal Articles

Atmospheric oil and natural gas hydrocarbon trends in the Northern Colorado Front Range are notably smaller than inventory emissions reductions

Open Access
Samuel J. Oltmans, Lucy C. Cheadle, Detlev Helmig, Hélène Angot, Gabrielle Pétron ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2021) 9 (1): 00136.
https://doi.org/10.1525/elementa.2020.00136
Published: 18 June 2021
View articletitled, Atmospheric oil and natural gas hydrocarbon trends in the Northern Colorado Front Range are notably smaller than inventory emissions reductions
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Includes: Supplementary data
Journal Articles

Spatial and temporal variability of ozone along the Colorado Front Range occurring over 2 days with contrasting wind flow

Open Access
Lisa S. Darby, Christoph J. Senff, Raul J. Alvarez II, Robert M. Banta, Laura Bianco ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2021) 9 (1): 00146.
https://doi.org/10.1525/elementa.2020.00146
Published: 11 May 2021
View articletitled, Spatial and temporal variability of ozone along the Colorado Front Range occurring over 2 days with contrasting wind flow
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Includes: Supplementary data
Journal Articles

Factors controlling surface ozone in the Seoul Metropolitan Area during the KORUS-AQ campaign

Open Access
Heejeong Kim, Junsu Gil, Meehye Lee, Jinsang Jung, Andrew Whitehill ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 46.
https://doi.org/10.1525/elementa.444
Published: 25 August 2020
View articletitled, Factors controlling surface ozone in the Seoul Metropolitan Area during the KORUS-AQ campaign
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Includes: Supplementary data
Journal Articles

Litter microbial respiration and enzymatic resistance to drought stress

Open Access
Devan M. Nisson, Steven D. Allison
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 45.
https://doi.org/10.1525/elementa.442
Published: 24 August 2020
View articletitled, Litter microbial respiration and enzymatic resistance to drought stress
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Includes: Supplementary data
Journal Articles

The spatial legacy of Australian mercury contamination in the sediment of the Molonglo River

Open Access
Dylan Stinton, Larissa Schneider, Sara Beavis, Janelle Stevenson, William A. Maher ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 44.
https://doi.org/10.1525/elementa.440
Published: 20 August 2020
View articletitled, The spatial legacy of Australian mercury contamination in the sediment of the Molonglo River
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Includes: Supplementary data
Journal Articles

Characterization, sources and reactivity of volatile organic compounds (VOCs) in Seoul and surrounding regions during KORUS-AQ

Open Access
Isobel J. Simpson, Donald R. Blake, Nicola J. Blake, Simone Meinardi, Barbara Barletta ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 37.
https://doi.org/10.1525/elementa.434
Published: 11 August 2020
View articletitled, Characterization, sources and reactivity of volatile organic compounds (VOCs) in Seoul and surrounding regions during KORUS-AQ
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Includes: Supplementary data
Journal Articles

Evaluation of next generation emission measurement technologies under repeatable test protocols

Open Access
Clay S. Bell, Timothy Vaughn, Daniel Zimmerle
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 32.
https://doi.org/10.1525/elementa.426
Published: 13 July 2020
View articletitled, Evaluation of next generation emission measurement technologies under repeatable test protocols
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Includes: Supplementary data
Journal Articles

Mercury cycling in Australian estuaries and near shore coastal ecosystems: Triggers for management

Open Access
William Maher, Frank Krikowa, Michael Ellwood
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 29.
https://doi.org/10.1525/elementa.425
Published: 03 July 2020
View articletitled, Mercury cycling in Australian estuaries and near shore coastal ecosystems: Triggers for management
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Includes: Supplementary data
Journal Articles

Investigation of factors controlling PM 2.5 variability across the South Korean Peninsula during KORUS-AQ

Open Access
Carolyn E. Jordan, James H. Crawford, Andreas J. Beyersdorf, Thomas F. Eck, Hannah S. Halliday ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 28.
https://doi.org/10.1525/elementa.424
Published: 01 July 2020
View articletitled, Investigation of factors controlling PM 2.5 variability across the South Korean Peninsula during KORUS-AQ
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Includes: Supplementary data
Journal Articles

Seasonal gaseous elemental mercury fluxes at a terrestrial background site in south-eastern Australia

Open Access
Katrina MacSween, Grant C. Edwards, Paul J. Beggs
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 27.
https://doi.org/10.1525/elementa.423
Published: 29 June 2020
View articletitled, Seasonal gaseous elemental mercury fluxes at a terrestrial background site in south-eastern Australia
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Includes: Supplementary data
Journal Articles

Potential of temperature- and salinity-driven shifts in diatom compatible solute concentrations to impact biogeochemical cycling within sea ice

Open Access
Hannah M. Dawson, Katherine R. Heal, Angela K. Boysen, Laura T. Carlson, Anitra E. Ingalls ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 25.
https://doi.org/10.1525/elementa.421
Published: 19 June 2020
View articletitled, Potential of temperature- and salinity-driven shifts in diatom compatible solute concentrations to impact biogeochemical cycling within sea ice
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Includes: Supplementary data
Journal Articles

Multi-decadal surface ozone trends at globally distributed remote locations

Open Access
Owen R. Cooper, Martin G. Schultz, Sabine Schröder, Kai-Lan Chang, Audrey Gaudel ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 23.
https://doi.org/10.1525/elementa.420
Published: 08 June 2020
View articletitled, Multi-decadal surface ozone trends at globally distributed remote locations
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Includes: Supplementary data
Journal Articles

Air quality measurements in the western Eagle Ford Shale

Open Access
Geoffrey S. Roest, Gunnar W. Schade
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 18.
https://doi.org/10.1525/elementa.414
Published: 08 May 2020
View articletitled, Air quality measurements in the western Eagle Ford Shale
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Includes: Supplementary data
Journal Articles

Urban greenhouse gas emissions from the Berlin area: A case study using airborne CO 2 and CH 4 in situ observations in summer 2018

Open Access
T. Klausner, M. Mertens, H. Huntrieser, M. Galkowski, G. Kuhlmann ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 15.
https://doi.org/10.1525/elementa.411
Published: 16 April 2020
View articletitled, Urban greenhouse gas emissions from the Berlin area: A case study using airborne CO 2 and CH 4 in situ observations in summer 2018
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Includes: Supplementary data
Journal Articles

Long-term changes of regional ozone in China: implications for human health and ecosystem impacts

Open Access
Xiaobin Xu, Ph.D., Weili Lin, Wanyun Xu, Junli Jin, Ying Wang ...
Journal: Elementa: Science of the Anthropocene
Elementa: Science of the Anthropocene (2020) 8: 13.
https://doi.org/10.1525/elementa.409
Published: 24 March 2020
View articletitled, Long-term changes of regional ozone in China: implications for human health and ecosystem impacts
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Includes: Supplementary data