Themed collection Atmospheric chemistry

38 items
Critical Review

Atmospheric sea-salt and halogen cycles in the Antarctic

Atmospheric sea-salt and halogen cycles play important roles in atmospheric science and chemistry including cloud processes and oxidation capacity in the Antarctic troposphere.

Graphical abstract: Atmospheric sea-salt and halogen cycles in the Antarctic
From the themed collection: SDG13: Climate Action – Ozone Depletion
Critical Review

A review of aerosol chemistry in Asia: insights from aerosol mass spectrometer measurements

Aerosol mass spectrometer has been widely deployed in Asia for real-time characterization of aerosol chemistry, and has significantly improved our understanding of the sources, properties, and formation processes of aerosols in a complex environment.

Graphical abstract: A review of aerosol chemistry in Asia: insights from aerosol mass spectrometer measurements
From the themed collection: Atmospheric chemistry
Open Access Critical Review

The atmospheric chemistry of indoor environments

The review article summarizes the wide variety of atmospheric chemistry phenomena that occur indoors.

Graphical abstract: The atmospheric chemistry of indoor environments
From the themed collection: Atmospheric chemistry
Open Access Critical Review

Illuminating the dark side of indoor oxidants

A review of the current understanding of oxidants and their precursors in indoor environments.

Graphical abstract: Illuminating the dark side of indoor oxidants
From the themed collection: Atmospheric chemistry
Critical Review

Modelling consortium for chemistry of indoor environments (MOCCIE): integrating chemical processes from molecular to room scales

We report on the development of a modelling consortium for chemistry in indoor environments that connects models over a range of spatial and temporal scales, from molecular to room scales and from sub-nanosecond to days, respectively.

Graphical abstract: Modelling consortium for chemistry of indoor environments (MOCCIE): integrating chemical processes from molecular to room scales
From the themed collection: Atmospheric chemistry
Critical Review

Overview on the spatial–temporal characteristics of the ozone formation regime in China

Ozone (O3), a main component in photochemical smog, is a secondary pollutant formed through complex photochemical reactions involving nitrogen oxides (NOx) and volatile organic compounds (VOCs).

Graphical abstract: Overview on the spatial–temporal characteristics of the ozone formation regime in China
From the themed collection: Atmospheric chemistry
Open Access Critical Review

Isocyanic acid (HNCO) and its fate in the atmosphere: a review

Isocyanic acid (HNCO) has recently been identified in ambient air at potentially concerning concentrations for human health. Since its first atmospheric detection, significant progress has been made in understanding its sources and sinks.

Graphical abstract: Isocyanic acid (HNCO) and its fate in the atmosphere: a review
From the themed collection: Atmospheric chemistry
Paper

Interaction process between gaseous CH3I and NaCl particles: implication for iodine dispersion in the atmosphere

Gaseous iodomethane (CH3I) once emitted in the atmosphere will interact very little with sea salt aerosol particles. However, a low amount of CH3I is irreversibly adsorbed at the particle surface.

Graphical abstract: Interaction process between gaseous CH3I and NaCl particles: implication for iodine dispersion in the atmosphere
From the themed collection: Atmospheric chemistry
Open Access Paper

Determination of acrolein in ambient air and in the atmosphere of environmental test chambers

Acrolein is released by several sources into indoor air. As it impacts human health, an easy-to-handle, fast and robust method with low detection limits is needed.

Graphical abstract: Determination of acrolein in ambient air and in the atmosphere of environmental test chambers
From the themed collection: Recent Open Access Articles
Paper

Geochemical characteristics of rare earth elements in windowsill dust in Baotou, China: influence of the smelting industry on levels and composition

Smelting is one of the main sources of rare earth elements (REEs) in large scale smelting regions that have been neglected before.

Graphical abstract: Geochemical characteristics of rare earth elements in windowsill dust in Baotou, China: influence of the smelting industry on levels and composition
From the themed collection: Atmospheric chemistry
Paper

Emerging investigator series: heterogeneous OH oxidation of primary brown carbon aerosol: effects of relative humidity and volatility

Changes in the composition and absorptivity of primary brown carbon aerosol generated from smoldering pine were measured during exposure to hydroxyl radical in a photo-reaction chamber.

Graphical abstract: Emerging investigator series: heterogeneous OH oxidation of primary brown carbon aerosol: effects of relative humidity and volatility
From the themed collection: Emerging Investigator Series
Open Access Paper

Secondary organic aerosol tracers and related polar organic compounds between urban and rural areas in the Eastern Mediterranean region: source apportionment and the influence of atmospheric oxidants

The formation, abundance and sources of secondary organic aerosol markers and other related polar organic species were investigated at two Eastern Mediterranean sites.

Graphical abstract: Secondary organic aerosol tracers and related polar organic compounds between urban and rural areas in the Eastern Mediterranean region: source apportionment and the influence of atmospheric oxidants
From the themed collection: Atmospheric chemistry
Paper

Seasonal variability of trace elements in fine particulate matter (PM2.5) in a coastal city of northern Poland – profile analysis and source identification

A large group of trace elements (Al, As, Cd, Co, Cr, Cu, Fe, Mn, Mo, Ni, Pb, Ti, V, Zn) was measured for the first time in 226 air samples collected at the coastal monitoring station in Gdynia (northern Poland), in the period from January 12th to August 30th, 2019.

Graphical abstract: Seasonal variability of trace elements in fine particulate matter (PM2.5) in a coastal city of northern Poland – profile analysis and source identification
From the themed collection: Atmospheric chemistry
Paper

Indoor aerosol water content and phase state in U.S. residences: impacts of relative humidity, aerosol mass and composition, and mechanical system operation

Hygroscopic particulate matter constituents promote uptake of aerosol water, depending on relative humidity, which can constrain qualities such as organic aerosol phase state and inorganic aerosol deliquescence and efflorescence.

Graphical abstract: Indoor aerosol water content and phase state in U.S. residences: impacts of relative humidity, aerosol mass and composition, and mechanical system operation
From the themed collection: Atmospheric chemistry
Paper

Evidence for brown carbon absorption over the Bay of Bengal during the southwest monsoon season: a possible oceanic source

Light-absorbing brown carbon aerosols can have a marine origin over the coastal oceans and are likely associated with the sea salt component emitted from the ocean surface – significantly contributes to aerosol radiative forcing.

Graphical abstract: Evidence for brown carbon absorption over the Bay of Bengal during the southwest monsoon season: a possible oceanic source
From the themed collection: Atmospheric chemistry
Paper

Photodecay of guaiacol is faster in ice, and even more rapid on ice, than in aqueous solution

Guaiacol photodegradation rate constants in solution, liquid-like regions in ice (frozen solutions), and at the air–ice interface (vapor-deposited to snow).

Graphical abstract: Photodecay of guaiacol is faster in ice, and even more rapid on ice, than in aqueous solution
From the themed collection: Atmospheric chemistry
Paper

Reconciling atmospheric water uptake by hydrate forming salts

Magnesium and calcium chloride salts contribute to the global atmospheric aerosol burden via emission of sea spray and mineral dust.

Graphical abstract: Reconciling atmospheric water uptake by hydrate forming salts
From the themed collection: Atmospheric chemistry
Paper

Metallic elements and Pb isotopes in PM2.5 in three Chinese typical megacities: spatial distribution and source apportionment

Heavy metal pollution in fine particulate matter (PM2.5) is a serious environmental and health concern in China, particularly during winter.

Graphical abstract: Metallic elements and Pb isotopes in PM2.5 in three Chinese typical megacities: spatial distribution and source apportionment
From the themed collection: Atmospheric chemistry
Open Access Paper

Secondary organic aerosol formation from evaporated biofuels: comparison to gasoline and correction for vapor wall losses

With an ongoing interest in displacing petroleum-based sources of energy with biofuels, we measure and model the formation and composition of secondary organic aerosol (SOA) from organic compounds present in biofuels.

Graphical abstract: Secondary organic aerosol formation from evaporated biofuels: comparison to gasoline and correction for vapor wall losses
Paper

Determination of oxoanions and water-soluble species of arsenic, selenium, antimony, vanadium, and chromium eluted in water from airborne fine particles (PM2.5): effect of acid and transition metal content of particles on heavy metal elution

Leaching of toxic heavy metal oxoanions from PM2.5 is related to acids and transition metals of PM2.5.

Graphical abstract: Determination of oxoanions and water-soluble species of arsenic, selenium, antimony, vanadium, and chromium eluted in water from airborne fine particles (PM2.5): effect of acid and transition metal content of particles on heavy metal elution
From the themed collection: Atmospheric chemistry
Paper

A theoretical investigation on the atmospheric degradation of the Image ID:d0em00112k-t1.gif radical: reactions with NO, NO2, Image ID:d0em00112k-t2.gif and NO3

The mechanisms of Image ID:d0em00112k-t3.gif with NO, NO2, Image ID:d0em00112k-t4.gif and NO3 were studied to reveal the atmospheric fate of Image ID:d0em00112k-t5.gif, comprehensively.

Graphical abstract: A theoretical investigation on the atmospheric degradation of the radical: reactions with NO, NO2, and NO3
From the themed collection: Atmospheric chemistry
Paper

Identifying patterns and sources of anthropogenic trace metals in the Argentine Central Andes by using snow samples and an atmospheric dispersion model

This study presents the first local measurements of metals in snow from the Argentine Central Andes.

Graphical abstract: Identifying patterns and sources of anthropogenic trace metals in the Argentine Central Andes by using snow samples and an atmospheric dispersion model
Paper

Trichloroacetyl chloride, CCl3COCl, as an alternative Cl atom precursor for laboratory use and determination of Cl atom rate coefficients for n-CH2[double bond, length as m-dash]CH(CH2)xCN (x = 3–4)

Investigation of CCl3COCl as a Cl atom precursor for laboratory use in (relative) rate and product.

Graphical abstract: Trichloroacetyl chloride, CCl3COCl, as an alternative Cl atom precursor for laboratory use and determination of Cl atom rate coefficients for n-CH2 [[double bond, length as m-dash]] CH(CH2)xCN (x = 3–4)
From the themed collection: Atmospheric chemistry
Paper

Emerging investigator series: influence of marine emissions and atmospheric processing on individual particle composition of summertime Arctic aerosol over the Bering Strait and Chukchi Sea

Composition of individual atmospheric particles reveals the influence of marine sources, terrestrial sources, and anthropogenic sources on atmospheric chemistry in the changing Alaskan Arctic.

Graphical abstract: Emerging investigator series: influence of marine emissions and atmospheric processing on individual particle composition of summertime Arctic aerosol over the Bering Strait and Chukchi Sea
From the themed collection: Emerging Investigator Series
Paper

Integrated experimental and theoretical approach to probe the synergistic effect of ammonia in methanesulfonic acid reactions with small alkylamines

Particle formation from methanesulfonic acid–amine multicomponent systems is investigated using a combined experimental and theoretical approach.

Graphical abstract: Integrated experimental and theoretical approach to probe the synergistic effect of ammonia in methanesulfonic acid reactions with small alkylamines
From the themed collection: Atmospheric chemistry
Open Access Paper

A global atmospheric chemistry model for the fate and transport of PFCAs and their precursors

Global model for the atmospheric chemistry of PFCA precursors.

Graphical abstract: A global atmospheric chemistry model for the fate and transport of PFCAs and their precursors
From the themed collection: Atmospheric chemistry
Paper

Evidence for a kinetically controlled burying mechanism for growth of high viscosity secondary organic aerosol

The incorporation of organic nitrates into viscous secondary organic aerosol during particle formation is enhanced relative to expected equilibrium partitioning, and is best described by a kinetically controlled “burying” mechanism.

Graphical abstract: Evidence for a kinetically controlled burying mechanism for growth of high viscosity secondary organic aerosol
From the themed collection: Atmospheric chemistry
Paper

Atmosphere-terrestrial exchange of gaseous elemental mercury: parameterization improvement through direct comparison with measured ecosystem fluxes

The resistance-based models combined with a new soil re-emission parameterization reproduce the observed diel and seasonal patterns of Hg0 exchange.

Graphical abstract: Atmosphere-terrestrial exchange of gaseous elemental mercury: parameterization improvement through direct comparison with measured ecosystem fluxes
From the themed collection: Atmospheric chemistry
Open Access Paper

Overview of HOMEChem: House Observations of Microbial and Environmental Chemistry

The House Observations of Microbial and Environmental Chemistry (HOMEChem) study was a large-scale collaborative experimental investigation probing indoor air composition and chemistry.

Graphical abstract: Overview of HOMEChem: House Observations of Microbial and Environmental Chemistry
From the themed collection: Atmospheric chemistry
Paper

Assessing indoor gas phase oxidation capacity through real-time measurements of HONO and NOx in Guangzhou, China

The photolysis of nitrous acid (HONO) is the main initiation source of hydroxyl radical (OH) which in turn is the main oxidant controlling the oxidation capacity of the indoor atmosphere.

Graphical abstract: Assessing indoor gas phase oxidation capacity through real-time measurements of HONO and NOx in Guangzhou, China
From the themed collection: Atmospheric chemistry
Paper

Total surface area in indoor environments

Objects in a room add 50% to its surface area beyond the walls, ceiling, and floor.

Graphical abstract: Total surface area in indoor environments
From the themed collection: Atmospheric chemistry
Open Access Paper

Role of location, season, occupant activity, and chemistry in indoor ozone and nitrogen oxide mixing ratios

Indoor field studies and in situ chamber experiments illustrate the interdependence of oxidants and oxidant precursors in residences.

Graphical abstract: Role of location, season, occupant activity, and chemistry in indoor ozone and nitrogen oxide mixing ratios
From the themed collection: Atmospheric chemistry
Open Access Paper

Secondary product creation potential (SPCP): a metric for assessing the potential impact of indoor air pollution on human health

Secondary Product Creation Potential (SPCP): a new metric for ranking the impact of volatile organic compounds on indoor air chemistry and human health.

Graphical abstract: Secondary product creation potential (SPCP): a metric for assessing the potential impact of indoor air pollution on human health
From the themed collection: Atmospheric chemistry
Paper

Human occupant contribution to secondary aerosol mass in the indoor environment

Occupancy in indoor spaces can contribute to indoor aerosol mass via reactions of oxidants such as ozone with skin constituents and subsequent partitioning of those oxidation product to existing aerosol.

Graphical abstract: Human occupant contribution to secondary aerosol mass in the indoor environment
From the themed collection: Atmospheric chemistry
Paper

Sources of isocyanic acid (HNCO) indoors: a focus on cigarette smoke

The sources and sinks of isocyanic acid (HNCO), a toxic gas, in indoor environments are largely uncharacterized.

Graphical abstract: Sources of isocyanic acid (HNCO) indoors: a focus on cigarette smoke
From the themed collection: Atmospheric chemistry
Paper

Emerging investigator series: primary emissions, ozone reactivity, and byproduct emissions from building insulation materials

Insulation materials affect indoor air by (i) releasing primary volatile organic compounds (VOCs) from enclosure cavities to the interior space, (ii) mitigating exposure to outdoor pollutants through reactive deposition (of oxidants, e.g., ozone) or filtration in infiltration air, and (iii) generating secondary VOCs and gas-phase byproducts from chemical reactions.

Graphical abstract: Emerging investigator series: primary emissions, ozone reactivity, and byproduct emissions from building insulation materials
From the themed collection: Emerging Investigator Series
Paper

Size distribution of airborne particle-bound PAHs and o-PAHs and their implications for dry deposition

Size distribution of o-PAHs vs. their parent compounds and their implications for dry deposition.

Graphical abstract: Size distribution of airborne particle-bound PAHs and o-PAHs and their implications for dry deposition
From the themed collection: Atmospheric chemistry
Paper

Brown carbon in the continental outflow to the North Indian Ocean

In this paper, we synthesize the size distribution and optical properties of the atmospheric water-soluble fraction of light-absorbing organic carbon (brown carbon; BrC) in the continental outflow from the Indo-Gangetic Plain (IGP) in South Asia to the North Indian Ocean.

Graphical abstract: Brown carbon in the continental outflow to the North Indian Ocean
From the themed collection: Atmospheric chemistry
38 items

About this collection

This web collection features research articles published in Environmental Science: Processes & Impacts focussed on atmospheric chemistry.

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