On the impact of thermal stability on some rough flow effects over mobile surfaces |
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| Authors: | M Segal |
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| Institution: | (1) Department of Physics and Astronomy, The University of Kansas, 66045 Lawrence, Kansas, USA |
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| Abstract: | Calculations are made of the effects of thermal stability under a range of conditions, over the sea and land, on the physical factors (including the critical wind speed) affecting dust-storm generation, snow drift, and rough sea conditions. The computational procedure involves the surface friction velocity, u
*, and its relation with the aerodynamic roughness over aerodynamically rough, mobile surfaces. The results indicated that even at relatively high wind speeds, thermal effects under extreme advection situations may be significant, particularly for those properties of the agitated surface dependent on u
*
3 and u
*
4. |
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