Vertical Structure of the Stable Boundary Layer Detected by RASS-SODAR and In-Situ Measurements in SABLES 2006 Field Campaign



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Viana, Samuel and Yagüe Anguis, Carlos and Maqueda Burgos, Gregorio (2012) Vertical Structure of the Stable Boundary Layer Detected by RASS-SODAR and In-Situ Measurements in SABLES 2006 Field Campaign. Acta geophysica, 60 (5). pp. 1261-1286. ISSN 1895-6572

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Data from the SABLES 2006 field campaign are used in order to analyse some of the main processes present along the nocturnal periods: surface-based inversions, low level jets, katabatic winds, wave-like motions, pressure perturbations, etc. These processes have an important influence on the vertical structure (both thermal and dynamical) of the atmospheric boundary layer, and can be better described with the synergetic combination of RASS-SODAR data and in-situ measurements (such as sonic anemometer data and high-resolution pressure series from microbarometers). It is shown how the different air masses and their evolution are easily identified when pressure and RASS-SODAR wind and temperature data are presented together. Likewise, periodic pressure fluctuations observed in the surface array of microbarometers reveal the existence of gravity wave motions whose propagation is better understood after locating the wave ducting layers with the help of RASS-SODAR average wind ant temperature profiles.

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© 2011 Institute of Geophysics, Polish Academy of Sciences. The authors wish to thank Dr. Javier Peláez, from the CIBA, for his technical support and help through the SABLES 2006 campaign. We are also grateful to Prof. J.L. Casanova, Director of the CIBA, for his support and help and to Prof. M. L. Sánchez from the Valladolid University for the RASS-SODAR data. This research has been funded by the Spanish Ministry of Science and Innovation (projects CGL2006-12474-C03-03 and CGL2009-12797-C03-03). The GR58/08 program (supported by BSCH and UCM) has also partially financed this work through the Research Group "Micrometeorology and Climate Variability" (No. 910437). The authors wish to thank the two anonymous referees for their useful comments.

Uncontrolled Keywords:Low-level jet; Large-Eddy simulations; Gravity-waves; Turbulence; Atmosphere; Cases-99; Regimes; Lidar; Part; Flow
Subjects:Sciences > Physics > Astrophysics
Sciences > Physics > Astronomy
ID Code:37510
Deposited On:03 May 2016 14:51
Last Modified:10 Dec 2018 15:05

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