Saltation-layer structure of drifting snow observed in wind tunnel
نویسندگان
چکیده
منابع مشابه
Numerical simulation of drifting snow sublimation in the saltation layer
Snow sublimation is an important hydrological process and one of the main causes of the temporal and spatial variation of snow distribution. Compared with surface sublimation, drifting snow sublimation is more effective due to the greater surface exposure area of snow particles in the air. Previous studies of drifting snow sublimation have focused on suspended snow, and few have considered salt...
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[1] We present experimental results on the snow drift in a turbulent boundary layer over a flat fresh snow-covered surface. Vertical profiles of mass flux and of the distribution of particle diameters were obtained by means of a pair of Snow Particle Counters parallel with measurements of the stream-wise velocity profile. The aim of the paper is to discuss current parameterizations of the verti...
متن کاملAtmospheric Boundary Layer Wind Tunnel Applications in Wind Turbine Siting
Atmospheric boundary layer wind tunnels (ABLWTs) have been used for 40 years to simulate the interaction of the wind and earth in the lowest few hundred meters of the atmosphere. ABLWTs are well-suited for investigating flow in complex terrain and have different strengths and weaknesses than numerical modeling. There are a wide variety of applications, including performing wind resource assessm...
متن کاملWind Tunnel Experiments: Influence of Erosion and Deposition on Wind-Packing of New Snow
Wind sometimes creates a hard, wind-packed layer at the surface of a snowpack. The formation of such wind crusts was observed during wind tunnel experiments with combined SnowMicroPen and Microsoft Kinect sensors. The former provides the hardness of new and wind-packed snow and the latter spatial snow depth data in the test section. Previous experiments had shown that saltation is necessary but...
متن کاملInteractive comment on “ A 3 - D simulation of drifting snow in the turbulent boundary layer ” by
The paper is of great interest. It introduces a 3D model coupling effects between wind and snow particles. The coupled model is evaluated on a flat erodible snow surface under various wind conditions and is compared to wind tunnel experiments, the results of which are published in the literature. The model takes into account all involved physical processes and allows to better understand behavi...
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ژورنال
عنوان ژورنال: Annals of Glaciology
سال: 2001
ISSN: 0260-3055,1727-5644
DOI: 10.3189/172756401781819184