Sodar Sounding of the Atmospheric Boundary Layer: Review of Studies at the Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences


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Resumo

Acoustic sounders (sodars) are the simplest and economically most effective devices for the ground-based remote sensing of the lower troposphere. Using sodars, a vast amount of knowledge about the structure and dynamics of the atmospheric boundary layer (ABL) has been obtained. The principal physics of sodar sounding was given by A.M. Obukhov in two short theoretical articles published in the Reports of the USSR Academy of Sciences in 1941: “On the Scattering of Sound in a Turbulent Flow” and “On the Distribution of Energy in the Spectrum of a Turbulent Flow.” In the late 1950s, Obukhov initiated the development of theoretical and experimental studies of sound scattering by turbulence, as well as a practical sodar sounding of the ABL at the Institute of Atmospheric Physics (IAPh). The present work is a short review of sodar applications in studies of the ABL based on results obtained at IAPh in the 1980s–2000s. The results of recent studies of low-level jets and Kelvin–Helmholtz billows in the stable stratified ABL are described in more detail.

Sobre autores

M. Kallistratova

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

V. Perepelkin

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

D. Kuznetsov

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

N. Vazaeva

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

D. Zaitseva

Obukhov Institute of Atmospheric Physics

Autor responsável pela correspondência
Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

V. Lyulyukin

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

I. Chunchusov

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

O. Chkhetiani

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

S. Kulichkov

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

R. Kouznetsov

Obukhov Institute of Atmospheric Physics; Finnish Meteorological Institute

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017; Helsinki, FI, 00101

I. Petenko

Obukhov Institute of Atmospheric Physics; Institute of Atmospheric Sciences and Climate CNR

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017; Roma, 00133

G. Bush

Obukhov Institute of Atmospheric Physics

Email: zaycevadv@gmail.com
Rússia, Moscow, 119017

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