搜索结果: 1-15 共查到“大气化学 Absorption”相关记录18条 . 查询时间(0.046 秒)
UV absorption cross sections of nitrous oxide (N2O) and carbon tetrachloride (CCl4) between 210 and 350 K and the atmospheric implications
UV absorption nitrous oxide (N2O) carbon tetrachloride (CCl4) the atmospheric implications
2010/8/16
Absorption cross sections of nitrous oxide (N2O) and carbon tetrachloride (CCl4) are reported at five atomic UV lines (184.95, 202.548, 206.200, 213.857, and 228.8 nm) at temperatures in the range 210...
Absorption Angstrom Exponent in AERONET and related data as an indicator of aerosol composition
AERONET indicator aerosol composition
2010/2/21
Recent results from diverse air, ground, and laboratory studies using both radiometric and in situ techniques show that the fractions of black carbon, organic matter, and mineral dust in atmospheric a...
In situ aerosol optics in Reno, NV, USA during and after the summer 2008 California wildfires and the influence of absorbing and non-absorbing organic coatings on spectral light absorption
situ aerosol optics alifornia wildfires non-absorbing organic coatings spectral light absorption
2009/11/9
Hundreds of wildfires in Northern California were sparked by lightning during the summer of 2008, resulting in downwind smoke for the months of June and July. Comparisons are reported for aerosol opti...
Primary and secondary contributions to aerosol light scattering and absorption in Mexico City during the MILAGRO 2006 campaign
aerosol light scattering Mexico City MILAGRO 2006 campaign
2009/6/16
A photoacoustic spectrometer, a nephelometer, an aethalometer, and an aerosol mass spectrometer were used to measure at ground level real-time aerosol light absorption, scattering, and chemistry at an...
Absolute absorption cross-section and photolysis rate of I2
Absolute absorption cross-section photolysis rate I2
2009/3/4
Following recent observations of molecular iodine (I2) in the coastal marine boundary layer (MBL) (Saiz-Lopez and Plane, 2004), it has become important to determine the absolute absorption cross-secti...
Shipborne solar absorption measurements of CO2, CH4, N2O and CO and comparison with SCIAMACHY WFM-DOAS retrievals
Shipborne solar absorption measurements CO2 CH4 N2O CO SCIAMACHY WFM-DOAS retrievals
2009/2/13
CO, CH4, N2O and CO2 were retrieved from high resolution solar absorption spectra obtained during a ship cruise from Capetown to Bremerhaven in January/February 2003 by Fourier Transform Infrared (FTI...
Technical note: Evaluation of standard ultraviolet absorption ozone monitors in a polluted urban environment
ultraviolet absorption ozone monitors polluted urban environment
2009/1/13
The performance of the EPA Federal Equivalent Method (FEM) technique for monitoring ambient concentrations of O3 via ultraviolet absorption (UV) has been evaluated using data from the Mexico City Metr...
NO2 Profile retrieval using airborne multi axis UV-visible skylight absorption measurements over central Europe
NO2 Profile UV-visible skylight absorption measurements central Europe
2009/1/13
A recent development in ground-based remote sensing of atmospheric constituents by UV/visible absorption measurements of scattered light is the simultaneous use of several directions with small elevat...
Strong spectral dependence of light absorption by organic carbon particles formed by propane combustion
Strong spectral dependence light absorption organic carbon particles propane combustion
2009/1/13
We have measured the extinction and absorption cross sections of carbon particles emitted by a propane diffusion flame both in an aerosol chamber and on size-segregated samples deposited on optical wi...
Effects of column density on I2 spectroscopy and a determination of I2 absorption cross section at 500 nm
column density I2 spectroscopy I2 absorption cross section
2009/1/9
The use of ro-vibronic spectra of I2 in the region of 543 nm to 578 nm as reference spectra for atmospheric Differential Optical Absorption Spectroscopy is studied. It is shown that the retrieval of a...
Aerosol light absorption in the North Atlantic: trends and seasonal characteristics during the period 1989 to 2003
Aerosol light absorption the North Atlantic trends and seasonal characteristics
2009/1/8
Aerosol light attenuation on quartz fibre filters has been measured since February 1989 at the Mace Head Atmospheric Research station near Carna, Co. Galway, Ireland, using an Aethalometer. The freque...
Mass concentration and ion composition of coarse and fine particles in an urban area in Beirut: effect of calcium carbonate on the absorption of nitric and sulfuric acids and the depletion of chloride
Mass concentration effect of calcium carbonate absorption of nitric and sulfuric acids the depletion of chloride
2009/1/8
Levels of coarse (PM10-2.5) and fine (PM2.5) particles were determined between February 2004 and January 2005 in the city of Beirut, Lebanon. While low PM mass concentrations were measured in the rai...
We present a comprehensive examination of aerosol absorption with a focus on evaluating the sensitivity of the global distribution of aerosol absorption to key uncertainties in the process representat...
Comparison of box-air-mass-factors and radiances for Multiple-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) geometries calculated from different UV/visible radiative transfer models
box-air-mass-factors MAX-DOAS UV radiative transfer models
2008/12/5
The results of a comparison exercise of radiative transfer models (RTM) of various international research groups for Multiple AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) viewing geome...
Estimation of a “radiatively correct” black carbon specific absorption during the Mexico City Metropolitan Area (MCMA) 2003 field campaign
radiatively correct black carbon Mexico City Metropolitan Area
2008/12/4
During the Mexico City Metropolitan Area (MCMA) field campaign of 2003, measurements of the shortwave radiation field allowed the inference of the black carbon (BC) specific absorption, αλ, defined a...
