Daven K. Henze

Do GEMS geostationary satellite observations of tropospheric NO 2 always improve NO x emission estimates and related air quality modelling?

Fei Yao, Paul I. Palmer, Xiaolin Wang, Yi Wang et autres

Satellite observations of atmospheric composition from low Earth orbit (LEO) have significantly advanced our understanding of global tropospheric chemistry; however, their 12 h overpass cadence limits the attribution of rapid compositional changes. The launch of the Korean Geostationary Environment Monitoring Spectrometer (GEMS) …

cn, gb, us, kr (code pays fourni par la source)

Reply to Comment by Millet et al. on “Tracking Ethane From Space Over a Large US Oil and Gas Region”

Colby Francoeur, Daven K. Henze, Jian He, Scot M. Miller et autres

Abstract We thank Millet et al. for their comment in discussing the methodology and conclusions reached in Francoeur et al. (2025, https://doi.org/10.1029/2025gl115286 ). In general, we agree with the key points of the comment, although with significant caveats. Mainly, we agree that …

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Global CO emissions and drivers of atmospheric CO trends constrained by MOPITT satellite measurements

Zhaojun Tang, Panpan Yang, Kazuyuki Miyazaki, John R. Worden et autres

Carbon monoxide (CO), an important atmospheric pollutant produced by incomplete combustion and hydrocarbon oxidation, significantly affects atmospheric oxidation capacity and air quality. Accurate quantification of its global emissions and the underlying driver behind its atmospheric trends is essential for understanding changes in …

cn, us (code pays fourni par la source)

Supplementary material to "Do GEMS geostationary satellite observations of tropospheric NO 2 always improve NO x emission estimates and related air quality modelling?"

Fei Yao, Paul I. Palmer, Xiaolin Wang, Yi Wang et autres

gb, us, cn, kr, Éthiopie (code pays fourni par la source)

Do GEMS geostationary satellite observations of tropospheric NO 2 always improve NO x emission estimates and related air quality modelling?

Fei Yao, Paul I. Palmer, Xiaolin Wang, Yi Wang et autres

Abstract. Satellite observations of atmospheric composition from low Earth orbit (LEO) have significantly advanced our understanding of global tropospheric chemistry; however, their 12-hour overpass cadence limits the attribution of rapid compositional changes. The launch of the Korean Geostationary Environment Monitoring Spectrometer (GEMS) …

cn, gb, us, kr (code pays fourni par la source)

Is There an Optimal Wavelength for Germicidal Ultraviolet Air Disinfection?

Zhe Peng, Ben Ma, Daven K. Henze, Shelly L. Miller et autres

High Resolution Image Download MS PowerPoint Slide Germicidal UV (GUV) disinfection is effective against airborne pathogens, but it has been recently reported to increase indoor air pollution. Conventional GUV at 254 nm is applied in the upper room only due to skin/eye …

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National climate action can ameliorate, perpetuate, or exacerbate international air pollution inequalities

M. Omar Nawaz, Daven K. Henze

Climate action ameliorates public health by reducing hazardous air pollutants alongside greenhouse gases, yet misguided mitigation efforts could induce imbalances in air pollution exchange across international borders. Despite its potential to endanger equality, the effects from climate action on transboundary air pollution …

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Supplementary material to "Global CO emissions and drivers of atmospheric CO trends constrained by MOPITT satellite observations"

Zhaojun Tang, Panpan Yang, Kazuyuki Miyazaki, John Worden et autres

InformationTable S1.Annual total anthropogenic CO emissions from 2003 to 2022, constrained with MOPITT column and profile data driven with the fixed and variable OH fields.The region definition is shown in Figure S1e.Years US Europe E.China India SE.Asia

Global CO emissions and drivers of atmospheric CO trends constrained by MOPITT satellite observations

Zhaojun Tang, Panpan Yang, Kazuyuki Miyazaki, John R. Worden et autres

Abstract. Carbon monoxide (CO), an important atmospheric pollutant produced from incomplete combustion and hydrocarbon oxidation, significantly influences atmospheric chemistry and air quality. Accurate quantification of its global emissions and the underlying drivers of atmospheric trends is essential for understanding and improving global …

cn, us, ca (code pays fourni par la source)

Source Attribution and Health Burden of PM 2.5 in Mainland Thailand

Worapop Thongsame, Daven K. Henze, M. C. Barth, Gabriele Pfister et autres

Abstract PM 2.5 is a critical air pollutant that significantly impacts human health and the environment. To develop effective air quality management and mitigation strategies, understanding PM 2.5 source attribution and associated health risks is essential. This study investigates the source attribution …

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A graph theory-based algorithm for the reduction of atmospheric chemical mechanisms

Forwood Wiser, Siddhartha Sen, Zhizhao Wang, J. Lee‐Taylor et autres

The atmospheric chemistry of volatile organic compounds (VOC) has a major influence on atmospheric pollutants and particle formation. Accurate modeling of this chemistry is essential for air quality models. Complete representations of VOC oxidation chemistry are far too large for spatiotemporal simulations …

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Tracking Ethane From Space Over a Large US Oil and Gas Region

Colby Francoeur, Daven K. Henze, Jian He, Scot M. Miller et autres

Abstract Ethane (C 2 H 6 ) is a volatile organic compound (VOC) that has few anthropogenic sources, and is primarily emitted from oil and natural gas (NG) (O&G) activities. This makes it a useful tracer for distinguishing O&G activities from other …

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