Samuel R Hall
Overview
Explore the profile of Samuel R Hall including associated specialties, affiliations and a list of published articles.
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Articles
23
Citations
295
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Recent Articles
1.
Baublitz C, Fiore A, Ludwig S, Nicely J, Wolfe G, Murray L, et al.
Proc Natl Acad Sci U S A
. 2023 Aug;
120(34):e2209735120.
PMID: 37579162
The hydroxyl radical (OH) fuels atmospheric chemical cycling as the main sink for methane and a driver of the formation and loss of many air pollutants, but direct OH observations...
2.
Schwantes R, Lacey F, Tilmes S, Emmons L, Lauritzen P, Walters S, et al.
J Adv Model Earth Syst
. 2022 Jul;
14(6):e2021MS002889.
PMID: 35864945
A new configuration of the Community Earth System Model (CESM)/Community Atmosphere Model with full chemistry (CAM-chem) supporting the capability of horizontal mesh refinement through the use of the spectral element...
3.
Koenig T, Volkamer R, Apel E, Bresch J, Cuevas C, Dix B, et al.
Sci Adv
. 2021 Dec;
7(52):eabj6544.
PMID: 34936464
Iodine is an atmospheric trace element emitted from oceans that efficiently destroys ozone (O). Low O in airborne dust layers is frequently observed but poorly understood. We show that dust...
4.
Xu L, Crounse J, Vasquez K, Allen H, Wennberg P, Bourgeois I, et al.
Sci Adv
. 2021 Dec;
7(50):eabl3648.
PMID: 34878847
Wildfires are a substantial but poorly quantified source of tropospheric ozone (O). Here, to investigate the highly variable O chemistry in wildfire plumes, we exploit the in situ chemical characterization...
5.
Decker Z, Wang S, Bourgeois I, Campuzano Jost P, Coggon M, DiGangi J, et al.
Environ Sci Technol
. 2021 Nov;
55(23):15646-15657.
PMID: 34817984
We present a novel method, the Gaussian observational model for edge to center heterogeneity (GOMECH), to quantify the horizontal chemical structure of plumes. GOMECH fits observations of short-lived emissions or...
6.
Novak G, Fite C, Holmes C, Veres P, Neuman J, Faloona I, et al.
Proc Natl Acad Sci U S A
. 2021 Oct;
118(42).
PMID: 34635596
Oceans emit large quantities of dimethyl sulfide (DMS) to the marine atmosphere. The oxidation of DMS leads to the formation and growth of cloud condensation nuclei (CCN) with consequent effects...
7.
Travis K, Heald C, Allen H, Apel E, Arnold S, Blake D, et al.
Atmos Chem Phys
. 2021 Mar;
20(13):7753-7781.
PMID: 33688335
The global oxidation capacity, defined as the tropospheric mean concentration of the hydroxyl radical (OH), controls the lifetime of reactive trace gases in the atmosphere such as methane and carbon...
8.
Palm B, Peng Q, Fredrickson C, Lee B, Garofalo L, Pothier M, et al.
Proc Natl Acad Sci U S A
. 2020 Nov;
117(47):29469-29477.
PMID: 33148807
The evolution of organic aerosol (OA) and brown carbon (BrC) in wildfire plumes, including the relative contributions of primary versus secondary sources, has been uncertain in part because of limited...
9.
Wang S, Apel E, Hornbrook R, Hills A, Emmons L, Tilmes S, et al.
Geophys Res Lett
. 2020 Jul;
46(10):5601-5613.
PMID: 32606484
We report airborne measurements of acetaldehyde (CHCHO) during the first and second deployments of the National Aeronautics and Space Administration (NASA) Atmospheric Tomography Mission (ATom). The budget of CHCHO is...
10.
Peng Q, Palm B, Melander K, Lee B, Hall S, Ullmann K, et al.
Environ Sci Technol
. 2020 Apr;
54(10):5954-5963.
PMID: 32294377
Wildfires are an important source of nitrous acid (HONO), a photolabile radical precursor, yet in situ measurements and quantification of primary HONO emissions from open wildfires have been scarce. We...