论塔层风 、温廓线

本文改进了Zilitinkevich的工作,得到在塔层内动力学上合理的风廓线.并近似推求了不稳定层结下边界层高度h的表达式,使风、温廓线能用于不同层结.由近地层理论从近地层风、温求出通量后,即可推求塔层风、温分布.325m气象塔资料证明这一廓线达到一定的精度.

On the profiles of wind and temperature in the tower layer

In this paper, Zilitinkevich 's work on the wind and temperature profiles of the PBL is improved and the reasonable wind and temperature profiles in the tower layer are obtained dynamically. The expression of the height of the PBL under unstable condition is also derived approximately. The wind and temperature profiles can thus be applied to different stratifications. We can calculate the wind and temperature distributions as long as the fluxes in the surface layer are calculated from the surface wind and temperature based on the surface layer theory. The data from the 325m tower in Beijing show that these profiles have attained a fairly high accuracy.