在稳定分层大气边界层Turbulence中重新考虑局部标度假设：场和实验室测量与大涡模拟的综合
Revisiting the Local Scaling Hypothesis in Stably Stratified Atmospheric Boundary Layer Turbulence: an Integration of Field and Laboratory Measurements with Large-eddy Simulations
摘要：
20年前Nieuwstadt首次提出的“局部尺度”假设，以非常简洁的方式描述了稳定边界层的湍流结构，是众多基于局部封闭的数值天气预报模式的组成部分。然而，这一假设在非常稳定的条件下的有效性是一个持续争论的主题。在这项工作中，我们试图解决这个有争议的问题进行广泛的分析湍流数据从几个领域的运动，风洞实验和大涡模拟。广泛的稳定性，不同的现场条件和一套全面的湍流统计数据，使这项研究与众不同。
英文摘要：
The `local scaling' hypothesis, first introduced by Nieuwstadt two decades ago, describes the turbulence structure of stable boundary layers in a very succinct way and is an integral part of numerous local closure-based numerical weather prediction models. However, the validity of this hypothesis under very stable conditions is a subject of on-going debate. In this work, we attempt to address this controversial issue by performing extensive analyses of turbulence data from several field campaigns, wind-tunnel experiments and large-eddy simulations. Wide range of stabilities, diverse field conditions and a comprehensive set of turbulence statistics make this study distinct.
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