搜索结果: 16-30 共查到“理学 Atmospheric Chemistry”相关记录46条 . 查询时间(0.346 秒)
Do vibrationally excited OH molecules affect middle and upper atmospheric chemistry?
OH molecules middle and upper atmospheric chemistry
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2010/10/21
Except for a few reactions involving electronically excited molecular or atomic oxygen or nitrogen, atmospheric chemistry modelling usually assumes that the temperature dependence of reaction rates is...
Evaluated kinetic and photochemical data for atmospheric chemistry: Volume V – heterogeneous reactions on solid substrates
kinetic and photochemical data atmospheric chemistry heterogeneous reactions solid substrates
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2010/10/11
This article, the fifth in the ACP journal series, presents data evaluated by the IUPAC Subcommittee on Gas Kinetic Data Evaluation for Atmospheric Chemistry. It covers the heterogeneous processes on ...
Isoprene nitrates: preparation, separation, identification, yields, and atmospheric chemistry
Isoprene nitrates atmospheric chemistry
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2010/8/16
Isoprene is an important atmospheric volatile organic compound involved in ozone production and NOx (NO+NO2) sequestration and transport. Isoprene reaction with OH in the presence of NO can form eithe...
Uncertainties in atmospheric chemistry modelling due to convection parameterisations and subsequent scavenging
atmospheric chemistry modelling parameterisations subsequent scavenging
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2010/2/21
Moist convection in global modelling contributes significantly to the transport of energy, momentum, water and trace gases and aerosols within the troposphere. Since convective clouds are on a scale t...
Quantifying atmospheric transport,chemistry,and mixing using a new trajectory-box model and a global atmospheric-chemistry GCM
atmospheric transport chemistry mixing new trajectory-box model global atmospheric-chemistry GCM
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2010/2/5
We present a novel method for the quantification of transport, chemistry, and mixing along atmospheric trajectories based on a consistent model hierarchy. The hierarchy consists of the new atmospheric...
Global carbon tetrachloride distributions obtained from the Atmospheric Chemistry Experiment (ACE)
Global carbon tetrachloride distributions Atmospheric Chemistry Experiment ACE
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2009/10/9
The first study of the global atmospheric distribution of carbon tetrachloride (CCl4), as a function of altitude and latitude, was performed using solar occultation measurements obtained by the Atmosp...
Interannual variability in hindcasts of atmospheric chemistry: the role of meteorology
Interannual variability hindcasts atmospheric chemistry meteorology
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2009/8/7
Two 40-year meteorological datasets are used to drive the Model of Ozone and Related Tracers chemical transport model, version 2 (MOZART2) in hindcast simulations. One dataset is from the National Cen...
Long-lived halocarbon trends and budgets from atmospheric chemistry modelling constrained with measurements in polar firn
Long-lived halocarbon atmospheric chemistry modelling polar firn
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2009/6/22
The budgets of seven halogenated gases (CFC-11, CFC-12, CFC-113, CFC-114, CFC-115, CCl4 and SF6) are studied by comparing measurements in polar firn air from two Arctic and three Antarctic sites, and ...
Validation of ozone measurements from the Atmospheric Chemistry Experiment（ACE）
ozone measurements Atmospheric Chemistry Experiment ACE
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2009/3/12
This paper presents extensive {bias determination} analyses of ozone observations from the Atmospheric Chemistry Experiment (ACE) satellite instruments: the ACE Fourier Transform Spectrometer (ACE-FTS...
Evaluated kinetic and photochemical data for atmospheric chemistry: Volume I - gas phase reactions of Ox, HOx, NOx and SOx species
Evaluated kinetic atmospheric chemistry gas phase reactions
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2009/3/5
This article, the first in the series, presents kinetic and photochemical data evaluated by the IUPAC Subcommittee on GasKinetic Data Evaluation for Atmospheric Chemistry. It covers the gas phase and ...
The effects of lightning-produced NOx and its vertical distribution on atmospheric chemistry: sensitivity simulations with MATCH-MPIC
lightning-produced NOx vertical distribution atmospheric chemistry MATCH-MPIC
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2009/2/12
The impact of different assumptions concerning the source magnitude as well as the vertical placement of lightning-produced nitrogen oxides is studied using the global chemistry transport model MATCH-...
Technical note: The new comprehensive atmospheric chemistry module MECCA
comprehensive atmospheric chemistry module MECCA
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2009/2/6
In this technical note we present the multi-purpose atmospheric chemistry model MECCA. Owing to its versatility and modular structure, it can be used for tropospheric as well as stratospheric chemistr...
The atmospheric chemistry general circulation model ECHAM5/MESSy1: consistent simulation of ozone from the surface to the mesosphere
atmospheric chemistry general circulation model ECHAM5/MESSy1 mesosphere
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2009/1/19
The new Modular Earth Submodel System (MESSy) describes atmospheric chemistry and meteorological processes in a modular framework, following strict coding standards. It has been coupled to the ECHAM5 ...
Technical note: A new comprehensive SCAVenging submodel for global atmospheric chemistry modelling
comprehensive SCAVenging submodel global atmospheric chemistry modelling
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2009/1/4
We present the new scavenging scheme SCAV, simulating the removal of trace gases and aerosol particles by clouds and precipitation in global atmospheric chemistry models. The scheme is quite flexible ...
The impact of ice uptake of nitric acid on atmospheric chemistry
ice uptake nitric acid atmospheric chemistry
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2008/12/30
The potential impact of the uptake of HNO3 on ice on the distribution of NOy species, ozone and OH has been assessed using the global scale chemistry-transport model MATCH-MPIC. Assuming equilibrium u...