搜索结果: 46-60 共查到“大气科学 boundary layer”相关记录92条 . 查询时间(0.171 秒)
The part of the solar spectrum with the highest influence on the formation of SOA in the continental boundary layer
solar spectrum SOA continental boundary layer
2009/3/12
The relationship between nucleation events and spectral solar irradiance was analysed using two years of data collected at the Station for Measuring Forest Ecosystem-Atmosphere Relations (SMEAR II) in...
Nucleation events in the continental boundary layer: Influence of physical and meteorological parameters
Nucleation events continental boundary layer physical and meteorological parameters
2009/3/11
The relationship between nucleation events and numerous physical and meteorological parameters was analysed using data collected at the Station for Measuring Forest Ecosystem-Atmosphere Relations (SME...
One year boundary layer aerosol size distribution data from five nordic background stations
boundary layer aerosol nordic background station
2009/3/11
Size distribution measurements performed at five different stations have been investigated during a one-year period between 01 June 2000 and 31 May 2001 with focus on diurnal, seasonal and geographica...
New-particle formation events in a continental boundary layer: first results from the SATURN experiment
New-particle formation events continental boundary layer SATURN experiment
2009/3/11
During the SATURN experiment, which took place from 27 May to 14 June 2002, new particle formation in the continental boundary layer was investigated. Simultaneous ground-based and tethered-balloon-bo...
Deep convective injection of boundary layer air into the lowermost stratosphere at midlatitudes
Deep convective injection boundary layer air lowermost stratosphere midlatitudes
2009/3/10
On 22 August 2001 a measurement flight was performed with the German research aircraft FALCON from Sardinia to Crete as part of the Mediterranean Oxidant Study (MINOS). Cruising at 8.2 km, the aircraf...
OH in the coastal boundary layer of Crete during MINOS: Measurements and relationship with ozone photolysis
OH coastal boundary layer MINOS ozone photolysis
2009/3/10
Hydroxyl radical (OH) concentrations were measured in August 2001 at Finokalia Station on the northeastern coast of Crete during the Mediterranean Intensive Oxidant Study (MINOS). OH was measured base...
An investigation of ozone and planetary boundary layer dynamics over the complex topography of Grenoble combining measurements and modeling
ozone planetary boundary layer dynamics complex topography Grenoble combining measurements
2009/3/10
This paper concerns an evaluation of ozone (O3) and planetary boundary layer (PBL) dynamics over the complex topography of the Grenoble region through a combination of measurements and mesoscale model...
Modeling the chemical effects of ship exhaust in the cloud-free marine boundary layer
chemical effects ship exhaust cloud-free marine boundary layer
2009/3/10
The chemical evolution of the exhaust plumes of ocean-going ships in the cloud-free marine boundary layer is examined with a box model. Dilution of the ship plume via entrainment of background air was...
An investigation of processes controlling the evolution of the boundary layer aerosol size distribution properties at the Swedish background station Aspvreten
processes controlling boundary layer aerosol size distribution properties Swedish background station Aspvreten
2009/3/10
Aerosol size distributions have been measured at the Swedish background station Aspvreten (58.8° N, 17.4° E). Different states of the aerosol were determined using a novel application of cluster analy...
A box model study on photochemical interactions between VOCs and reactive halogen species in the marine boundary layer
photochemical interactions VOCs reactive halogen species marine boundary layer
2009/3/6
A new chemical scheme is developed for the multiphase photochemical box model SEAMAC (size-SEgregated Aerosol model for Marine Air Chemistry) to investigate photochemical interactions between volatile...
Quantification of topographic venting of boundary layer air to the free troposphere
topographic venting boundary layer air free troposphere
2009/2/24
Net vertical air mass export by thermally driven flows from the atmospheric boundary layer (ABL) to the free troposphere (FT) above deep Alpine valleys was investigated. The vertical export of polluta...
Halogen cycling and aerosol pH in the Hawaiian marine boundary layer
Halogen cycling aerosol pH Hawaiian marine boundary layer
2009/2/20
Halogen species (HCl* (primarily HCl), Cl* (including Cl2 and HOCl), BrO, total gaseous inorganic Br and size-resolved particulate Cl- and Br -) and related chemical and physical parameters were measu...
Parametric sensitivity and uncertainty analysis of dimethylsulfide oxidation in the clear-sky remote marine boundary layer
Parametric sensitivity dimethylsulfide oxidation clear-sky remote marine boundary layer
2009/2/11
Local and global sensitivity and uncertainty methods are applied to a box model of the dimethylsulfide (DMS) oxidation cycle in the remote marine boundary layer in order to determine the key physical...
The contribution of boundary layer nucleation events to total particle concentrations on regional and global scales
boundary layer nucleation events total particle concentrations regional and global scales
2009/1/22
The contribution of boundary layer (BL) nucleation events to total particle concentrations on the global scale has been studied by including a new particle formation mechanism in a global aerosol micr...
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...