搜索结果: 1-15 共查到“大气化学 Measurement”相关记录30条 . 查询时间(0.218 秒)
Measurement of the ambient organic aerosol volatility distribution: application during the Finokalia Aerosol Measurement Experiment (FAME-2008)
the ambient organic aerosol volatility distribution the Finokalia Aerosol Measurement Experiment FAME-2008
2010/12/28
Spectrometer (AMS) and a Scanning Mobility Particle Sizer (SMPS) to measure the volatility distribution of aged organic aerosol in the Eastern Mediterranean during the Finokalia Aerosol Measurement Ex...
Improved measurement of carbonaceous aerosol: evaluation of the sampling artifacts and inter-comparison of the thermal-optical analysis methods
carbonaceous aerosol the sampling artifacts the thermal-optical analysis methods
2010/9/21
The sampling artifacts (both positive and negative) and the influence of thermal-optical methods (both charring correction method and the peak inert mode temperature) on the split of organic carbon (O...
Hygroscopicity distribution concept for measurement data analysis and modeling of aerosol particle mixing state with regard to hygroscopic growth and CCN activation
Hygroscopicity distribution concept measurement data analysis aerosol particle mixing state hygroscopic growth CCN activation
2010/8/16
This paper presents a general concept and mathematical framework of particle hygroscopicity distribution for the analysis and modeling of aerosol hygroscopic growth and cloud condensation nucleus (CCN...
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...
Using Sharpness Image with Haar Function for Urban Atmospheric Visibility Measurement
Atmospheric visibility digital image processing Haar function filtering
2016/3/29
Air quality affects human health, traffic safety and human life quality. The status of air quality can be indicated by the
urban atmospheric visibility. The atmospheric visibility is traditionally th...
Comment on“Reinterpreting aircraft measurement in anisotropic scaling turbulence”by Lovejoy et al. (2009)
aircraft measurement anisotropic scaling turbulence Lovejoy
2010/2/21
Recently, Lovejoy et al. (2009) argued that the steep ~k−3 atmospheric kinetic energy spectrum at synoptic scales (≥1000 km) observed by aircraft is a spurious artefact of aircraft following iso...
Leaf level emission measurement of sesquiterpenes and oxygenated sesquiterpenes from desert shrubs and temperate forest trees using a liquid extraction technique
erosol formation biosphere atmosphere interaction biogenic emission
2017/8/9
Biogenic emission of sesquiterpene (SQT) and oxygenated SQT (OSQT) were measured from the dominant vegetation in a desert shrubland and urban area (Las Vegas, Nevada, U.S.A.), and at temperate forest ...
Inter-comparison of four different carbon monoxide measurement techniques and evaluation of the long-term carbon monoxide time series of Jungfraujoch
carbon monoxide measurement techniques long-term carbon monoxide time series Jungfraujoch
2009/6/16
Despite the importance of carbon monoxide (CO) for the overall oxidative capacity of the atmosphere, there is still considerable uncertainty in ambient measurements of CO. To address this issue, an in...
Intercomparison of ammonia measurement techniques at an intensively managed grassland site（Oensingen, Switzerland）
ammonia measurement techniques managed grassland site Switzerland
2009/5/6
As part of a field campaign in the framework of the NitroEurope project, three different instruments for atmospheric ammonia (NH3) measurements were operated side-by-side on a managed grassland site i...
Ground-based intercomparison of two isoprene measurement techniques
Ground-based intercomparison isoprene measurement technique
2009/3/10
An informal intercomparison of two isoprene (C5H8) measurement techniques was carried out during Fall of 1998 at a field site located approximately 3 km west of Boulder, Colorado, USA. A new chemical ...
Radiant measurement accuracy of micrometeors detected by the Arecibo 430 MHz Dual-Beam Radar
Radiant measurement micrometeors Arecibo 430 MHz Dual-Beam Radar
2009/2/25
Precise knowledge of the angle between the meteor vector velocity and the radar beam axis is one of the largest source of errors in the Arecibo Observatory (AO) micrometeor observations. In this paper...
Inverse modeling of CO2 sources and sinks using satellite data: a synthetic inter-comparison of measurement techniques and their performance as a function of space and time
CO2 sources synthetic inter-comparison function of space and time
2009/2/24
Currently two polar orbiting satellite instruments measure CO2 concentrations in the Earth's atmosphere, while other missions are planned for the coming years. In the future such instruments might be...
Atmospheric methanol measurement using selective catalytic methanol to formaldehyde conversion
Atmospheric methanol selective catalytic methanol formaldehyde conversion
2009/2/18
A novel atmospheric methanol measurement technique, employing selective gas-phase catalytic conversion of methanol to formaldehyde followed by detection of the formaldehyde product, has been developed...
Characterization of on-road vehicle emissions in the Mexico City Metropolitan Area using a mobile laboratory in chase and fleet average measurement modes during the MCMA-2003 field campaign
on-road vehicle emissions Mexico City Metropolitan Area mobile laboratory MCMA-2003 field campaign
2009/1/19
A mobile laboratory was used to measure on-road vehicle emission ratios during the MCMA-2003 field campaign held during the spring of 2003 in the Mexico City Metropolitan Area (MCMA). The measured em...
Direct measurement of particle formation and growth from the oxidation of biogenic emissions
Direct measurement of particle formation oxidation of biogenic emissions
2009/1/15
A new facility has been developed to investigate the formation of new particles from the oxidation of volatile organic compounds emitted from vegetation. The facility consists of a biogenic emissions...