搜索结果: 1-15 共查到“大气化学 case study”相关记录16条 . 查询时间(0.123 秒)
Chemical, physical, and optical evolution of biomass burning aerosols: a case study
biomass burning aerosols Chemical physical
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2011/2/25
In-situ chemical composition measurements of ambient aerosols have been used for characterizing the evolution of submicron aerosols from a large anthropogenic biomass burning (BB) event in Israel. A h...
Impact of dust on tropospheric chemistry over polluted regions: a case study of the Beijing megacity
dust tropospheric chemistry polluted regions the Beijing megacity
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2010/8/12
The box model MECCA (Module Efficiently Calculating the Chemistry of the Atmosphere) is extended by incorporating detailed heterogeneous chemistry occurring on mineral aerosol surfaces. The model is u...
On the representativeness of coastal aerosol studies to open ocean studies: Mace Head – a case study
representativeness coastal aerosol Mace Head
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2009/12/31
A unique opportunity arose during the MAP project to compare open ocean aerosol measurements with those undertaken at the Mace Head Global Atmosphere Watch Station, a station used for decades for aero...
Microphysical and optical properties of Arctic mixed-phase clouds. The 9 April 2007 case study.
Microphysical optical properties Arctic mixed-phase clouds
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2009/9/14
Airborne measurements in Arctic boundary-layer stratocumulus were carried out near Spitsbergen on 9 April 2007 during the Arctic Study of Tropospheric Aerosol, Clouds and Radiation (ASTAR) campaign. A...
Evaluation of recently-proposed secondary organic aerosol models for a case study in Mexico City
recently-proposed secondary organic aerosol models case study Mexico City
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2009/8/18
Recent field studies have found large discrepancies in the measured vs. modeled SOA mass loadings in both urban and regional polluted atmospheres. The reasons for these large differences are unclear. ...
A case study of ozone production, nitrogen oxides, and the radical budget in Mexico City
ozone production nitrogen oxides radical budget Mexico City
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2009/5/7
Observations at a mountain-top site within the Mexico City basin are used to characterize ozone production and destruction, nitrogen oxide speciation and chemistry, and the radical budget, with an emp...
Remote sensing of water cloud droplet size distributions using the backscatter glory: a case study
water cloud droplet size distributions backscatter glory Remote sensing
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2009/3/3
Cloud single scattering properties are mainly determined by the effective radius of the droplet size distribution. There are only few exceptions where the shape of the size distribution affects the op...
A case study on the formation and evolution of ice supersaturation in the vicinity of a warm conveyor belt's outflow region
ice supersaturation conveyor belt's outflow region ISSR
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2009/2/8
A case study is presented on the formation and evolution of an ice-supersaturated region (ISSR) that was detected by a radiosonde in NE Germany at 06:00 UTC 29 November 2000. The ISSR was situated in ...
Impact of ship emissions on the microphysical, optical and radiative properties of marine stratus: a case study
ship emissions microphysical optical radiative properties of marine stratus
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2009/1/16
Modifications of existing clouds by the exhaust of ships are well-known but inadequately quantified impacts, which could contribute to climate change. The perturbation of a cloud layer by ship-generat...
Processing of soot in an urban environment: case study from the Mexico City Metropolitan Area
Processing of soot urban environment Mexico City Metropolitan Area
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2009/1/14
Chemical composition, size, and mixing state of atmospheric particles are critical in determining their effects on the environment. There is growing evidence that soot aerosols play a particularly imp...
Stratosphere-troposphere exchange from the Lagrangian perspective: a case study and method sensitivities
Stratosphere-troposphere exchange the Lagrangian perspective method sensitivities
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2009/1/12
An important part of extra-tropical stratosphere-to-troposphere transport occurs in association with baroclinic wave breaking and cut-off decay at the tropopause. In the last decade many studies have ...
Importance of mineral cations and organics in gas-aerosol partitioning of reactive nitrogen compounds: case study based on MINOS results
Importance of mineral cations gas-aerosol partitioning reactive nitrogen compounds MINOS results
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2009/1/12
The partitioning of reactive nitrogen compounds between the gas and the aerosol phase, as observed during the MINOS (Mediterranean INtensive Oxidant Study) campaign in Crete, Greece, in July and Augus...
Estimating the NOx produced by lightning from GOME and NLDN data: a case study in the Gulf of Mexico
NOx GOME NLDN Gulf of Mexico
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2009/1/5
Nitrogen oxides (NOxNO+NO2) play an important role in tropospheric chemistry, in particular in catalytic ozone production. Lightning provides a natural source of nitrogen oxides, dominating the produc...
Sensitivity of PM2.5 to climate in the Eastern US: a modeling case study
PM2.5 climate Eastern US modeling case
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2008/12/17
The individual effects of various meteorological parameters on PM2.5 concentrations in the Eastern US are examined using the PMCAMx chemical transport model so that these effects and their relative ma...
Estimation of the aerosol radiative forcing at ground level, over land, and in cloudless atmosphere, from METEOSAT-7 observation: method and case study
aerosol radiative cloudless atmosphere METEOSAT-7
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2008/10/29
A new method is proposed to estimate the spatial and temporal variability of the solar radiative flux reaching the surface over land (DSSF), as well as the Aerosol Radiative Forcing (ARF), in cloud-fr...