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Carbon-trapping 'sponges' can cut greenhouse gases（图）
sponges cut greenhouse gases
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2014/12/30
In the fight against global warming, carbon capture – chemically trapping carbon dioxide before it releases into the atmosphere – is gaining momentum, but standard methods are plagued by toxicity, cor...
Absorption of Soluble Gases by Atmospheric Nanoaerosols
nanoaerosol gas absorption diffusion free molecular flow soluble gas chemical dissociation reaction
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2012/5/29
We investigate mass transfer during absorption of atmospheric trace soluble gases by a single droplet whose size is comparable to the molecular mean free path in air at normal conditions. It is assume...
An overview of current issues in the uptake of atmospheric trace gases by aerosols and clouds
current issues atmospheric trace gases aerosols and clouds
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2010/11/30
A workshop was held in the framework of the ACCENT (Atmospheric Composition Change – a European Network) Joint Research Programme on "Aerosols" and the Programme on "Access to Laboratory Data". The ai...
Quantifying the contributions to stratospheric ozone changes from ozone depleting substances and greenhouse gases
stratospheric ozone ozone depleting substances greenhouse gases
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2010/9/21
A state-of-the-art chemistry climate model coupled to a three-dimensional ocean model is used to produce three experiments, all seamlessly covering the period 1950–2100, forced by different combinatio...
Noble gases in Lakes Nyos and Monoun, Cameroon
noble gases depth profile of noble gases Lake Nyos Lake Monoun Cameroon volcanic line
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2017/8/9
He, Ne and Ar isotopic ratios and concentrations of noble gases in different depths of Lakes Nyos and Monoun in Cameroon, West Africa, were investigated. Samples were collected in November 1999, Janua...
Historical (1850–2000) gridded anthropogenic and biomass burning emissions of reactive gases and aerosols: methodology and application
reactive gases and aerosols methodology application
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2010/8/16
We present and discuss a new dataset of gridded emissions covering the historical period (1850–2000) in decadal increments at a horizontal resolution of 0.5° in latitude and longitude. The primary pur...
An investigation of the sub-grid variability of trace gases and aerosols for global climate modeling
the sub-grid variability trace gases and aerosols global climate modeling
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2010/8/16
One fundamental property and limitation of grid based models is their inability to identify spatial details smaller than the grid cell size. While decades of work have gone into developing sub-grid tr...
Phosphonate metabolism by Trichodesmium IMS101 and the production of greenhouse gases
Phosphonate metabolism Trichodesmium IMS101 the production of greenhouse gases
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2014/4/17
A series of laboratory experiments were conducted to investigate (1) the capacity of Trichodesmium IMS101 to hydrolyze phosphonates as a source of phosphorus (P) for growth, (2) the stoichiometric rel...
Estimated total emissions of trace gases from the Canberra Wildfires of 2003: a new method using satellite measurements of aerosol optical depth & the MOZART chemical transport model
the Canberra Wildfires of 2003 aerosol optical depth the MOZART chemical transport model
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2010/8/13
In this paper we describe a new method for estimating trace gas emissions from large vegetation fires using satellite measurements of aerosol optical depth (AOD) at 550 nm, combined with an atmospheri...
A new modeling tool for the diffusion of gases in ice or amorphous binary mixture in the polar stratosphere and the upper troposphere
the diffusion of gases ice or amorphous binary mixture the polar stratosphere the upper troposphere
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2010/8/12
To elaborate stratospheric ozone depletion processes, measurements of diffusion coefficients of selected gas phase molecules (i.e. HCl, CH3OH, HCOOH and CH3COOH; Katsambas et al., 1997; Kondratyev and...
Analysis of Relationship between Inorganic Gases and Fine Particles in Cleanroom Environment
Diffusion denuder system (DDS) AMCs (Airborne Molecular Contaminants) Micro-contamination Cleanroom
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2016/3/29
The concentrations and characteristics of major components in inorganic gases and fine particles were measured at the
photo and etch cleanroom areas in a Taiwan semiconductor factory. The results sho...
Gas/Particle Partitioning of Dioxins in Exhaust Gases from Automobiles
PCDD/Fs Chassis dynamometer test Sport utility vehicle Diesel vehicle Gas/Particle phase partitioning
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2016/3/29
This study investigates distributions of polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofuran (PCDD/F)
congeners in the exhaust gases of gasoline- and diesel-fueled vehicles. 6 sport uti...
Technical Note: Ensuring consistent, global measurements of very short-lived halocarbon gases in the ocean and atmosphere
Ensuring consistent very short-lived halocarbon gases ocean atmosphere
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2010/2/1
Very short-lived halocarbons are significant sources of reactive halogen in the marine boundary layer, and likely in the upper troposphere and lower stratosphere. Quantifying ambient concentrations in...
Eddy covariance flux measurements of pollutant gases in urban Mexico City
Eddy covariance flux measurements pollutant gases urban Mexico City
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2009/10/9
Eddy covariance (EC) flux measurements of the atmosphere/surface exchange of gases over an urban area are a direct way to improve and evaluate emissions inventories, and, in turn, to better understand...
Influence of modelled soil biogenic NO emissions on related trace gases and the atmospheric oxidizing efficiency
modelled soil biogenic NO emissions trace gases atmospheric oxidizing efficiency
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2009/5/6
The emission of nitric oxide (NO) by soils (SNOx) is an important source of oxides of nitrogen (NOx=NO+NO2) in the troposphere, with estimates ranging from 4 to 21 Tg of nitrogen per year. Previous st...