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In Situ Measurements of Hydrogen Peroxide, Nitric Acid and Reactive Nitrogen to Assess the Ozone Sensitivity in Pingtung County, Taiwan
Hydrogen peroxide Nitric acid Reactive nitrogen Ozone sensitivity Smog production model
2016/3/28
This study was aimed to investigate the concentration of hydrogen peroxide (H2O2), nitric acid (HNO3) and reactive
nitrogen (NOy) at three sites in Southern Taiwan during 2003–2004. The mean H2O2 con...
Long term measurements of sulfur dioxide, nitrogen dioxide, ammonia, nitric acid and ozone in Africa using passive samplers
sulfur dioxide nitrogen dioxide ammonia nitric acid ozone Africa passive samplers
2010/8/16
In this paper we present the long term monitoring of ambient gaseous concentrations within the framework of the IDAF (IGAC-DEBITS-AFRICA) program. This study proposes for the first time an analysis of...
Improvements in the profiles and distributions of nitric acid and nitrogen dioxide with the LIMS version 6 dataset
nitric acid nitrogen dioxide the LIMS version 6 dataset
2010/8/13
The quality of the Nimbus 7 Limb Infrared Monitor of the Stratosphere (LIMS) nitric acid (HNO3) and nitrogen dioxide (NO2) profiles and distributions of 1978/1979 are described after their processing ...
Nitric acid and particulate matter measurements at Athens, Greece, in connection with corrosion studies
Nitric acid particulate matter measurements Athens Greece
2009/11/19
For a long time, scientists have been concerned about the effects of air pollution on materials and especially on the monuments of the cultural heritage. The EU funded a project, entitled MULTI-ASSESS...
Airborne measurements of the nitric acid partitioning in persistent contrails
Airborne measurements nitric acid partitioning persistent contrails
2009/11/19
This study reports the first systematic measurements of nitric acid (HNO3) uptake in contrail ice particles at typical aircraft cruise altitudes. During the CIRRUS-III campaign cirrus clouds and almos...
Global distributions of nitric acid from IASI/MetOP measurements
Global distributions nitric acid IASI/MetOP measurements
2009/11/9
This paper presents the first global distributions of HNO3 total columns acquired by the Infrared Atmospheric Sounding Interferometer (IASI) instrument, launched onboard the MetOp platform in October ...
Nitric acid in the stratosphere based on Odin observations from 2001 to 2009 – Part 2: High-altitude polar enhancements
Nitric acid Odin observations High-altitude polar enhancements
2009/9/27
The wintertime abundance of nitric acid (HNO3) in the polar upper stratosphere displays a strong inter-annual variability, and is known to be strongly influenced by energetic particle precipitation (E...
Nitric acid in the stratosphere based on Odin observations from 2001 to 2009 – Part 1: A global climatology
Nitric acid Odin observations global climatology
2009/9/27
The Sub-Millimetre Radiometer (SMR) on board the Odin satellite, launched in February 2001, observes thermal emissions of stratospheric nitric acid (HNO3) originating from the Earth limb in a band cen...
A quantitative test of infrared optical constants for supercooled sulphuric and nitric acid droplet aerosols
infrared optical constants sulphuric and nitric acid droplet aerosols
2009/3/11
In situ Fourier transform infrared (FTIR) extinction spectra of supercooled H2SO4/H2O and HNO3/H2O solution droplets were recorded in the large coolable aerosol chamber AIDA (Aerosol Interactions and ...
Nitric Acid Trihydrate（NAT）formation at low NAT supersaturation in Polar Stratospheric Clouds（PSCs）
Nitric Acid Trihydrate NAT NAT PSCs
2009/2/10
A PSC was detected on 6 February 2003 in the Arctic stratosphere by in-situ measurements onboard the high-altitude research aircraft Geophysica. Low number densities (~10-4cm-3) of small nitric acid (...
Parameterization of the nitric acid effect on CCN activation
nitric acid effect CCN activation HNO3 and HCl concentrations
2009/2/8
In this paper we present a parameterization of the nitric acid effect on cloud droplet formation. The new parameterization is intended to be used in large scale models in order to obtain regional and ...
Homogeneous nucleation rates of nitric acid dihydrate (NAD) at simulated stratospheric conditions – Part II: Modelling
Homogeneous nucleation rates nitric acid dihydrate NAD
2009/1/13
Activation energies ΔGact for the nucleation of nitric acid dihydrate (NAD) in supercooled binary HNO3/H2O solution droplets were calculated from volume-based nucleation rate measurements using the AI...
Homogeneous nucleation rates of nitric acid dihydrate (NAD) at simulated stratospheric conditions – Part I: Experimental results
Homogeneous nucleation rates nitric acid dihydrate NAD
2009/1/13
The low temperature aerosol chamber AIDA was used to study the nucleation of nitric acid dihydrate (NAD) in super-cooled nitric acid aerosols under simulated stratospheric conditions in the temperatur...
Effect of humidity on nitric acid uptake to mineral dust aerosol particles
humidity nitric acid mineral dust aerosol particles
2009/1/9
This study presents the first laboratory observation of HNO3 uptake by airborne mineral dust particles. The model aerosols were generated by dry dispersion of Arizona Test Dust (ATD), SiO2, and by neb...
The influence of nitric acid on the cloud processing of aerosol particles
influence of nitric acid cloud processing of aerosol particles
2009/1/7
In this paper we present simulations of the effect of nitric acid (HNO3) on cloud processing of aerosol particles. Sulfuric acid (H2SO4) production and incloud coagulation are both affected by condens...