搜索结果: 1-12 共查到“大气科学 atmospheric boundary layer”相关记录12条 . 查询时间(0.135 秒)
Development of a measurement platformon a light airplane and analysis of airborne measurementsin the atmospheric boundary layer
light airplane measurements atmospheric dynamics kinematic GPS positioning Kriging
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2015/9/16
In the present paper we provide an overview of a long term research project aimed at setting up a suitable platform
for measurements in the atmospheric boundary layer on a light airplane along with s...
Bromide and other ions in the snow, firn air, and atmospheric boundary layer at Summit during GSHOX
Bromide and other ions atmospheric boundary layer Summit GSHOX
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2010/10/21
Measurements of gas phase soluble bromide in the boundary layer and in firn air, and Br− in aerosol and snow, were made at Summit, Greenland (72.5° N, 38.4° W, 3200 m a.s.l.) as part of a larger...
A semi-analytical solution for the mean wind profile in the Atmospheric Boundary Layer:the convective case
semi-analytical solution mean wind profile Atmospheric Boundary Layer convective case
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2010/3/5
A novel methodology to derive the average wind profile from the Navier-Stokes equations is presented. The development employs the Generalized Integral Transform Technique (GITT), which combines series...
Parameterization of vertical diffusion and the atmospheric boundary layer height determination in the EMEP model
vertical diffusion atmospheric boundary layer height determination EMEP model
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2010/2/1
This paper introduces two changes of the turbulence parameterization for the EMEP (European Monitoring and Evaluation Programme) Eulerian air pollution model: the replacement of the Blackadar in stabl...
Influence of stability on the flux-profile relationships for wind speed,Φm,and temperature,Φh,for the stable atmospheric boundary layer
Influence of stability flux-profile relationships wind speed Φm Φh atmospheric boundary layer
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2009/11/9
Data from SABLES98 experimental campaign have been used in order to study the influence of stability (from weak to strong stratification) on the flux-profile relationships for momentum, Φm, and heat, ...
Observations of high rates of NO2-HONO conversion in the nocturnal atmospheric boundary layer in Kathmandu, Nepal
NO2-HONO conversion nocturnal atmospheric boundary layer Kathmandu Nepal
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2009/9/11
Nitrous acid (HONO) plays a significant role in the atmosphere, especially in the polluted troposphere. Its photolysis after sunrise is an important source of hydroxyl free radicals (OH). Measurements...
Exploring atmospheric boundary layer characteristics in a severe SO2 episode in the north-eastern Adriatic
atmospheric boundary layer severe SO2 episode north-eastern Adriatic
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2009/7/15
Stable atmospheric conditions are often connected with the occurrence of high pollution episodes especially in urban or industrial areas. In this work we investigate a severe SO2 episode observed on 3...
On inferring isoprene emission surface flux from atmospheric boundary layer concentration measurements
isoprene emission surface flux atmospheric boundary layer concentration measurements
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2009/6/16
We examine the dependence of the inferred isoprene surface emission flux from atmospheric concentration on the diurnal variability of the convective boundary layer (CBL). A series of systematic numeri...
Contrasting atmospheric boundary layer chemistry of methylhydroperoxide（CH3OOH）and hydrogen peroxide（H2O2）above polar snow
atmospheric boundary layer chemistry CH3OOH H2O2 polar snow
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2009/6/2
Atmospheric hydroperoxides (ROOH) were measured at Summit, Greenland (72.97° N, 38.77° W) in summer 2003 (SUM03) and spring 2004 (SUM04) and South Pole in December 2003 (SP03). The two dominant hydrop...
Behaviour of tracer diffusion in simple atmospheric boundary layer models
tracer diffusion atmospheric boundary layer models
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2008/12/22
1-D profiles and time series from an idealised atmospheric boundary layer model are presented, which show agreement with boundary layer measurements of polar NOx. Diffusion models are increasingly bei...
The diurnal evolution of 222Rn and its progeny in the atmospheric boundary layer during the Wangara experiment
222Rn atmospheric boundary layer Wangara experiment
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2008/12/19
The diurnal atmospheric boundary layer evolution of the 222Rn decaying family is studied using a state-of-the-art large-eddy simulation model. In particular, a diurnal cycle observed during the Wangar...
Characterization of the 222Rn family turbulent transport in the convective atmospheric boundary layer
222Rn family turbulent transport convective atmospheric boundary layer
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2008/12/1
The combined effect of turbulent transport and radioactive decay on the distribution of 222Rn and its progeny in convective atmospheric boundary layers (CBL) is investigated. Large eddy simulation is ...