Fine-scale structure observed in a stable atmospheric boundary layer by sodar and kite-borne tethersonde

Co-located high resolution profiles of acoustic backscatter,wind vector and potential temperature are presented, measured within the stable atmosphericboundary layer over an Antarctic ice shelf. Acoustic profiles from a monostaticacoustic radar (Sodar) indicate complex structure within the boundary...

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Bibliographic Details
Published in:Boundary-layer meteorology 2003-05, Vol.107 (2), p.323-351
Main Author: ANDERSON, P. S
Format: Article
Language:English
Subjects:
Acoustics
Atmospheric boundary layer
Boundary layers
Convection, turbulence, diffusion. Boundary layer structure and dynamics
Earth, ocean, space
Exact sciences and technology
External geophysics
Ice shelves
Icebergs
Internal waves
Marine
Meteorology
Temperature gradients
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Summary:Co-located high resolution profiles of acoustic backscatter,wind vector and potential temperature are presented, measured within the stable atmosphericboundary layer over an Antarctic ice shelf. Acoustic profiles from a monostaticacoustic radar (Sodar) indicate complex structure within the boundary layer, whilstwind and temperature profiles from a tethersonde show corresponding bands of differingstability. Internal waves and fossil convection are shown to invalidate attemptsto compare backscatter measurements with theoretical estimates based on local wind and temperature gradients, but during ideal conditions, a qualitative agreementis observed.[PUBLICATION ABSTRACT]
ISSN:0006-8314
1573-1472
DOI:10.1023/A:1022171009297