搜索结果: 1-15 共查到“大气科学 Formaldehyde”相关记录31条 . 查询时间(0.062 秒)
Reactive processing of formaldehyde and acetaldehyde in aqueous aerosol mimics: Surface tension depression and secondary organic products
Surface tension depression and secondary organic products aqueous aerosol mimics
2011/6/15
The reactive uptake of carbonyl-containing volatile organic compounds (cVOCs) by aqueous atmospheric aerosols is a likely source of particulate organic material. The aque ous-phase secondary organic p...
Source identification and budget analysis on elevated levels of formaldehyde within the ship plumes: a ship-plume photochemical/dynamic model analysis
Source identification budget analysis the ship plumes a ship-plume photochemical/dynamic model analysis
2010/12/15
Elevated levels of formaldehyde (HCHO) along the ship corridors have been observed by satellite sensors, such as ESA/ERS-2 GOME (Global Ozone Monitoring Experiment), and were also simulated by global ...
Estimating European volatile organic compound emissions using satellite observations of formaldehyde from the Ozone Monitoring Instrument
European volatile organic compound satellite observations the Ozone Monitoring Instrument
2010/12/3
Emission of non-methane Volatile Organic Compounds (VOCs) to the atmosphere stems from biogenic and human activities, and their estimation is difficult because of the many and not fully understood pro...
GOME-2 observations of oxygenated VOCs: what can we learn from the ratio glyoxal to formaldehyde on a global scale?
GOME-2 oxygenated VOCs the ratio glyoxal a global scale
2010/11/1
Collocated data sets of glyoxal (CHO.CHO) and formaldehyde (HCHO) were retrieved for the first time from measurements of the Global Ozone Monitoring Experiment-2 (GOME-2) during the first two years of...
Observations of elevated formaldehyde over a forest canopy suggest missing sources from rapid oxidation of arboreal hydrocarbons
elevated formaldehyde a forest canopy suggest rapid oxidation arboreal hydrocarbons
2010/9/17
To better understand the processing of biogenic VOCs (BVOCs) in the pine forests of the US Sierra Nevada, we measured HCHO at Blodgett Research Station using Quantum Cascade Laser Spectroscopy (QCLS) ...
Pressure dependence of the deuterium isotope effect in the photolysis of formaldehyde by ultraviolet light
the deuterium isotope effect the photolysis of formaldehyde ultraviolet light
2010/4/14
The pressure dependence of the relative photolysis rate of HCHO vs. HCDO has been investigated for the first time, using a photochemical reactor at the University of Copenhagen. The dissociation of HC...
Formaldehyde and its relation to CO，PAN，and SO2 in the Houston-Galveston airshed
Formaldehyde CO PAN SO2 Houston-Galveston airshed
2010/3/9
The Houston-Galveston Airshed (HGA) is one of the major metropolitan areas in the US that is classified as a nonattainment area of federal ozone standards. Formaldehyde (HCHO) is a key species in unde...
Ground-based FTIR and MAX-DOAS observations of formaldehyde at Réunion Island and comparisons with satellite and model data
Ground-based FTIR MAX-DOAS observations formaldehyde Réunion Island
2009/12/31
Formaldehyde (HCHO) columns have been retrieved from ground-based Fourier transform infrared (FTIR) campaign measurements in 2004 and 2007 and from UV-Visible MAX-DOAS measurements in 2004–2005 at the...
On the distribution of formaldehyde in the western Po-Valley, Italy, during FORMAT 2002/2003
formaldehyde western Po-Valley Italy
2009/12/31
Formaldehyde was measured in the area of Milano, Italy, during the 2002 and 2003 FORMAT campaigns at three ground field sites and from an ultralight aircraft. The horizontal distributions show a stron...
Satellite measurements of formaldehyde linked to shipping emissions
Satellite measurements formaldehyde shipping emissions
2009/11/19
International shipping is recognized as a pollution source of growing importance, in particular in the remote marine boundary layer. Nitrogen dioxide originating from ship emissions has previously bee...
Long-term tropospheric formaldehyde concentrations deduced from ground-based fourier transform solar infrared measurements
Long-term tropospheric formaldehyde concentrations ground-based fourier transform solar infrared measurements
2009/9/27
We report a 13-year (1992–2005) dataset of total column measurements of formaldehyde (HCHO) over Lauder, New Zealand, inferred from solar infrared spectra measured using a high-resolution Fourier Tran...
Global upper-tropospheric formaldehyde: seasonal cycles observed by the ACE-FTS satellite instrument
Global upper-tropospheric formaldehyde seasonal cycles ACE-FTS satellite
2009/6/22
Seasonally-resolved upper tropospheric profiles of formaldehyde (HCHO) observed by the ACE Fourier transform spectrometer (ACE-FTS) on a near-global scale are presented for the time period from March ...
Global emissions of non-methane hydrocarbons deduced from SCIAMACHY formaldehyde columns through 2003–2006
Global emissions non-methane hydrocarbons SCIAMACHY formaldehyde columns
2009/6/16
Formaldehyde columns retrieved from the Scanning Imaging Absorption Spectrometer for Atmospheric Chartography/Chemistry (SCIAMACHY) instrument onboard ENVISAT satellite through 2003 to 2006 are used a...
Impact of primary formaldehyde on air pollution in the Mexico City Metropolitan Area
primary formaldehyde air pollution Mexico City Metropolitan Area
2009/5/7
Formaldehyde (HCHO) is a radical source that plays an important role in urban atmospheric chemistry and ozone formation. The Mexico City Metropolitan Area (MCMA) is characterized by high anthropogenic...
SCIAMACHY formaldehyde observations: constraint for isoprene emission estimates over Europe?
SCIAMACHY formaldehyde isoprene emission Europe
2009/3/13
Formaldehyde (HCHO) is an important intermediate compound in the degradation of volatile organic compounds (VOCs) in the troposphere. Sources of HCHO are largely dominated by its secondary production ...