搜索结果: 1-15 共查到“大气物理学 Activity”相关记录21条 . 查询时间(0.125 秒)
Structure-activity relationships to estimate the effective Henry's law constants of organics of atmospheric interest
Structure-activity relationships the effective Henry's law atmospheric interest
2010/8/25
The Henry's law constant is a key property needed to address the multiphase behaviour of organics in the atmosphere. Methods that can reliably predict the values for the vast number of organic compoun...
The contribution of anthropogenic aerosols to aerosol light-scattering and CCN activity in the California coastal zone
anthropogenic aerosols aerosol light-scattering CCN activity the California coastal zone
2010/8/16
Aircraft-based measurements of aerosol light-scattering coefficient, cloud condensation nuclei (CCN) measured directly or by proxy, and aerosol chemical composition are reported for three different ye...
Effects of lightning and other meteorological factors on fire activity in the North American boreal forest: implications for fire weather forecasting
meteorological factors fire activity the North American boreal forest fire weather forecasting
2010/8/16
The effects of lightning and other meteorological factors on wildfire activity in the North American boreal forest are statistically analyzed during the fire seasons of 2000–2006 through an integratio...
Consistency between parameterisations of aerosol hygroscopicity and CCN activity during the RHaMBLe discovery cruise
aerosol hygroscopicity CCN activity
2010/8/12
Results from a measurement study performed in the Tropical Atlantic on board the RHaMBLe Discovery Cruise D319 are presented. Measurements of aerosol composition, hygroscopicity and CCN activity were ...
Tropical Cyclone Activity Downscaled from NOAA-CIRES Reanalysis, 1908-1958
Tropical Cyclone Activity NOAA-CIRES Reanalysis
2009/12/2
A recently developed genesis index applied to the reanalysis data is highly correlated with downscaled event frequency on regional spatial scales, but is largely uncorrelated at the scale of the globe...
Impact of dust aerosols on the radiative budget, surface heat fluxes, heating rate profiles and convective activity over West Africa during March 2006
dust aerosols surface heat fluxes convective activity West Africa
2009/9/27
The present work analyses the effect of dust aerosols on the surface and top of atmosphere radiative budget, surface temperature, sensible heat fluxes, atmospheric heating rate and convective activity...
Peroxy radical observations over West Africa during AMMA 2006: photochemical activity in the outflow of convective systems
Peroxy radical observations West Africa AMMA 2006 convective systems
2009/6/16
Peroxy radical measurements made on board the DLR-Falcon research aircraft over West Africa within the African Monsoon Multidisciplinary Analysis (AMMA) campaign during the 2006 wet monsoon are presen...
Relating CCN activity, volatility, and droplet growth kinetics of β-caryophyllene secondary organic aerosol
Relating CCN activity kinetics β-caryophyllene secondary organic aerosol
2009/3/13
This study investigates the droplet formation characteristics of secondary organic aerosol (SOA) formed during the ozonolysis of sesquiterpene β-caryophyllene (with and without hydroxyl radicals prese...
Formation of large NAT particles and denitrification in polar stratosphere: possible role of cosmic rays and effect of solar activity
large NAT particles polar stratosphere cosmic rays solar activity
2009/3/10
The formation of large nitric acid trihydrate (NAT) particles has important implications for denitrification and ozone depletion. Existing theories have difficulty in explaining the formation of large...
Water activity and activation diameters from hygroscopicity data - Part I: Theory and application to inorganic salts
Water activity hygroscopicity data inorganic salts
2009/2/10
A method is described that uses particle hygroscopicity measurements, made with a humidified tandem differential mobility analyzer (HTDMA), to determine solution water activity as a function of compos...
Seasonal dependence of peroxy radical concentrations at a Northern hemisphere marine boundary layer site during summer and winter: evidence for radical activity in winter
peroxy radical concentrations Northern hemisphere marine boundary layer site
2009/1/21
Peroxy radicals (HO2+Σ RO2) were measured at the Weybourne Atmospheric Observatory (52° N, 1° E), Norfolk using a PEroxy Radical Chemical Amplifier (PERCA) during the winter and summer of 2002. The pe...
Water activity and activation diameters from hygroscopicity data - Part II: Application to organic species
Water activity activation diameters hygroscopicity data organic species
2009/1/4
A method has been developed for using particle hygroscopicity measurements made with a humidified tandem differential mobility analyzer (HTDMA) to determine water activity as a function of solute wei...
Modelling the cloud condensation nucleus activity of organic acids on the basis of surface tension and osmolality measurements
cloud condensation nucleus organic acids surface tension osmolality measurements
2008/12/18
In this study vapour pressure osmometry was used to determine water activity in the solutions of organic acids. The surface tension of the solutions was also monitored in parallel and then Köhler...
Seasonal changes in gravity wave activity measured by lidars at mid-latitudes
Seasonal changes gravity wave activity mid-latitudes
2008/11/26
More than 230 nights of temperature measurements between 1 and 105 km have been performed at the Leibniz-Institute of Atmospheric Physics in Kühlungsborn with a combination of two different lidars, i....
Redox activity and chemical speciation of size fractioned PM in the communities of the Los Angeles-Long Beach harbor
Redox PM Los Angeles-Long Beach harbor
2008/11/25
In this study, two different types of assays were used to quantitatively measure the redox activity of PM and to examine its intrinsic toxicity: 1) in vitro exposure to rat alveolar macrophage (AM) ce...