Analysis of the Influence of the Length Scales in a Boundary-Layer Model

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Abstract

We consider the Janjic (NCEP Office Note 437:61, 2001) boundary-layer model, which is one of the most widely used in numerical weather prediction models. This boundary-layer model is based on a number of length scales that are, in turn, obtained from a master length multiplied by constants. We analyze the simulation results obtained using different sets of constants with respect to measurements using sonic anemometers, and interpret these results in terms of the turbulence processes in the atmosphere and of the role played by the different length scales. The simulations are run on a virtual machine on the Chameleon cloud for low-wind-speed, unstable, and stable conditions.

Lingua originaleInglese
pagine (da-a)385-401
Numero di pagine17
RivistaBoundary-Layer Meteorology
Volume179
Numero di pubblicazione3
DOI
Stato di pubblicazionePubblicato - giu 2021

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