Numerical simulation of internal boundary-layer development and comparison with atmospheric data

Barbara Milici, Enrico Napoli, János Józsa

Risultato della ricerca: Article

18 Citazioni (Scopus)

Abstract

A finite-volume numerical model is employed to investigate the adaptation of the atmospheric boundary layer to a change in the underlying surface roughness, such as that existing in the transition from land to the free surface of a water body. Numerical results are validated by comparison with neutral stratification atmospheric data and compared with the internal boundary-layer (IBL) heights computed using a number of existing empirical formulae. The numerical analysis allows an extension of the fetch range in which the existing formulae, calibrated only by comparison with short fetch data, may be applied. An argument is offered that the spatial variability of the water surface roughness should be also taken into account for the IBL development over the surface of a water body.
Lingua originaleEnglish
pagine (da-a)159-175
Numero di pagine17
RivistaBoundary-Layer Meteorology
Volume123
Stato di pubblicazionePublished - 2007

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fetch
boundary layer
surface roughness
simulation
stratification
comparison
water
water body
land
analysis

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

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Numerical simulation of internal boundary-layer development and comparison with atmospheric data. / Milici, Barbara; Napoli, Enrico; Józsa, János.

In: Boundary-Layer Meteorology, Vol. 123, 2007, pag. 159-175.

Risultato della ricerca: Article

Milici, B, Napoli, E & Józsa, J 2007, 'Numerical simulation of internal boundary-layer development and comparison with atmospheric data', Boundary-Layer Meteorology, vol. 123, pagg. 159-175.
Milici B, Napoli E, Józsa J. Numerical simulation of internal boundary-layer development and comparison with atmospheric data. Boundary-Layer Meteorology. 2007;123:159-175.
Milici, Barbara ; Napoli, Enrico ; Józsa, János. / Numerical simulation of internal boundary-layer development and comparison with atmospheric data. In: Boundary-Layer Meteorology. 2007 ; Vol. 123. pagg. 159-175.
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AB - A finite-volume numerical model is employed to investigate the adaptation of the atmospheric boundary layer to a change in the underlying surface roughness, such as that existing in the transition from land to the free surface of a water body. Numerical results are validated by comparison with neutral stratification atmospheric data and compared with the internal boundary-layer (IBL) heights computed using a number of existing empirical formulae. The numerical analysis allows an extension of the fetch range in which the existing formulae, calibrated only by comparison with short fetch data, may be applied. An argument is offered that the spatial variability of the water surface roughness should be also taken into account for the IBL development over the surface of a water body.

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