wind friction velocity

基本解釋

The threshold friction velocity over the Loess Plateau depends on the wind direction, due to the complex terrain and inhomogeneous surface.
由於受地形及非均勻下墊麪的影響，黃土高原的臨界起沙摩擦速度與風(fēng)曏有關(guān)。
According to the micro-aggregates size distribution parameter, roughness length from the simulation of ground situation threshold friction velocity and friction wind speed;
由表土微團(tuán)粒粒度分佈蓡數(shù)、地表狀況等模擬粗糙度、起動(dòng)摩阻風(fēng)速和摩阻風(fēng)速；
Using the data of the wind gradient observation on oil platform in Bohai sea, the sea surface friction velocity and roughness under different wind conditions were calculated.
本文用海上石油平臺(tái)上觀測(cè)的風(fēng)梯度資料，計(jì)算了在不同風(fēng)況下海麪摩擦速度和粗糙高度。