搜索结果: 1-15 共查到“大气科学 halogen”相关记录15条 . 查询时间(0.156 秒)
Modelling multi-phase halogen chemistry in the coastal marine boundary layer: investigation of the relative importance of local chemistry vs. long-range transport
multi-phase halogen chemistry the coastal marine boundary layer local chemistry long-range transport
2011/2/25
Measurements of significant concentrations of IO, I2 and BrO in a semi-polluted coast environment at Roscoff, in North-West France, have been made as part of the Reactive Halogens in the Marine Bounda...
Ozone variability and halogen oxidation within the Arctic and sub-Arctic springtime boundary layer
Ozone variability halogen oxidation the Arctic and sub-Arctic springtime boundary layer
2010/11/3
The influence of halogen oxidation on the variabilities of ozone (O3) and volatile organic compounds (VOCs) within the Arctic and sub-Arctic atmospheric boundary layer was investigated using field mea...
Coupling of HOx, NOx and halogen chemistry in the antarctic boundary layer
HOx, NOx and halogen chemistry the antarctic boundary layer
2010/11/3
A modelling study of radical chemistry in the coastal Antarctic boundary layer, based upon observations performed in the course of the CHABLIS (Chemistry of the Antarctic Boundary Layer and the Interf...
Measurement and modelling of tropospheric reactive halogen species over the tropical Atlantic Ocean
tropospheric reactive halogen species the tropical Atlantic Ocean
2010/8/13
Although tropospheric reactive halogen chemistry is well studied in coastal and polar environments, the presence of halogens over the open ocean environment has not been widely reported. The impacts o...
Modelling multi-phase halogen chemistry in the remote marine boundary layer: investigation of the influence of aerosol size resolution on predicted gas- and condensed-phase chemistry
Modelling multi-phase halogen chemistry remote marine boundary layer aerosol size resolution
2009/7/22
A coupled box model of photochemistry and aerosol microphysics which explicitly accounts for size-dependent chemical properties of the condensed-phase has been developed to simulate the multi-phase ch...
Halogen Occultation Experiment (HALOE) and balloon-borne in situ measurements of methane in stratosphere and their relation to the quasi-biennial oscillation（QBO）
Halogen Occultation Experiment HALOE quasi-biennial oscillation QBO
2009/3/11
Measurements of methane have been made from various observational platforms in the atmosphere. In this article, we have compared four high precision balloon-borne measurements from Hyderabad (17.5°N),...
A one dimensional model study of the mechanism of halogen liberation and vertical transport in the polar troposphere
halogen liberation vertical transport polar troposphere
2009/3/10
Sudden depletions of tropospheric ozone during spring were reported from the Arctic and also from Antarctic coastal sites. Field studies showed that those depletion events are caused by reactive halog...
A box model study on photochemical interactions between VOCs and reactive halogen species in the marine boundary layer
photochemical interactions VOCs reactive halogen species marine boundary layer
2009/3/6
A new chemical scheme is developed for the multiphase photochemical box model SEAMAC (size-SEgregated Aerosol model for Marine Air Chemistry) to investigate photochemical interactions between volatile...
Halogen cycling and aerosol pH in the Hawaiian marine boundary layer
Halogen cycling aerosol pH Hawaiian marine boundary layer
2009/2/20
Halogen species (HCl* (primarily HCl), Cl* (including Cl2 and HOCl), BrO, total gaseous inorganic Br and size-resolved particulate Cl- and Br -) and related chemical and physical parameters were measu...
Reactive and organic halogen species in three different European coastal environments
organic halogen species European coastal environments
2009/2/19
We present results of three field campaigns using active longpath DOAS (Differential Optical Absorption Spectroscopy) for the study of reactive halogen species (RHS) BrO, IO, OIO and I2. Two recent fi...
A chemical probe technique for the determination of reactive halogen species in aqueous solution: Part 2 – chloride solutions and mixed bromide/chloride solutions
chemical probe technique reactive halogen species aqueous solution chloride solutions
2009/1/12
Although reactive halogen species (X*=X•, •X2-, X2 and HOX, where X=Br, Cl, or I) are important environmental oxidants, relatively little is known about their kinetics in condensed phases ...
A chemical probe technique for the determination of reactive halogen species in aqueous solution: Part 1 – bromide solutions
chemical probe technique reactive halogen species bromide solutions
2009/1/12
Reactive halogen species (X*=X•, •X2-, X2 and HOX, where X=Br, Cl, or I) in seawater, sea-salt particles, and snowpacks play important roles in the chemistry of the marine boundary layer. ...
OH and HO2 chemistry during NAMBLEX: roles of oxygenates, halogen oxides and heterogeneous uptake
OH HO2 chemistry NAMBLEX roles of oxygenates halogen oxides heterogeneous uptake
2009/1/5
Several zero-dimensional box-models with different levels of chemical complexity, based on the Master Chemical Mechanism (MCM), have been used to study the chemistry of OH and HO2 in a coastal environ...
Evaluated kinetic and photochemical data for atmospheric chemistry: Volume IV – gas phase reactions of organic halogen species
kinetic photochemical data atmospheric chemistry gas phase reactions organic halogen species
2008/11/14
This article, the fourth in the series, presents kinetic and photochemical data sheets evaluated by the IUPAC Subcommittee on Gas Kinetic Data Evaluation for Atmospheric Chemistry. It covers the gas p...
Volatile organic compound ratios as probes of halogen atom chemistry in the Arctic
volatile organic compound ratios halogen atom chemistry arctic
2008/11/3
Volatile organic compound concentration ratios can be used as indicators of halogen chemistry that occurs during ozone depletion events in the Arctic during spring. Here we use a combination of modeli...