搜索结果: 1-15 共查到“理学 atmospheric boundary layer”相关记录19条 . 查询时间(0.102 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...
Description and implementation of a MiXed Layer model (MXL, v1.0) for the dynamics of the atmospheric boundary layer in the Modular Earth Submodel System (MESSy)
Description and implementation MiXed Layer model
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2015/3/5
We present a new submodel for the Modular Earth
Submodel System (MESSy): the MiXed Layer (MXL) model
for the diurnal dynamics of the convective boundary layer,
including explicit representations of...
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...
Intensity of convective motions in marine atmospheric boundary layer retrieved from ocean surface radar imagery
Intensity of convective motions marine atmospheric boundary layer ocean surface radar imagery
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2009/11/9
The paper focuses on the occurrence and development of coherent structures observed in the atmosphere above ocean under natural conditions. Microwave imaging radars are suggested as data take instrume...
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, ...
Scaling properties of velocity and temperature spectra above the surface friction layer in a convective atmospheric boundary layer
properties of velocity temperature spectra surface friction layer atmospheric boundary layer
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2009/11/3
We report velocity and temperature spectra measured at nine levels from 1.42 meters up to 25.7 m over a smooth playa in Western Utah. Data are from highly convective conditions when the magnitude of t...
Structure function analysis and intermittency in the atmospheric boundary layer
Structure function analysis intermittency atmospheric boundary layer
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2009/11/2
Data from the SABLES98 experimental campaign (Cuxart et al., 2000) have been used in order to study the relationship of the probability distribution of velocity increments (PDFs) to the scale and the ...
Application of a GOY model to atmospheric boundary layer data
GOY model atmospheric boundary layer data
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2009/10/30
This article analyzes the possibility of applying a GOY theoretical model to atmospheric boundary layer data. Bearing this in mind, relative scaling exponents of velocity structure functions are used ...
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...