Atmospheric turbulence and wind profiles monitoring with generalized scidar

Details Atmospheric turbulence and wind profiles monitoring with generalized scidar Atmospheric turbulence and wind profiles monitoring with generalized scidar

Apr 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...369..364a&link_type=abstract

Astronomy and Astrophysics, v.369, p.364-372 (2001)

Physics

Optics

38

Atmospheric Effects, Turbulence, Site Testing, Methods: Data Analysis, Instrumentation: Adaptive Optics

Scientific paper

We present a method for simultaneous measurement of the vertical distribution of the optical turbulence strength C_N2(h) and wind velocity V(h) in the Earth's atmosphere, based on an analysis of spatio-temporal correlations of stellar scintillation images obtained with generalized scidar. A statistical comparison of V(h) obtained with this method and instrumented balloons supports the use of this method. The algorithm used allows for the identification of dome seeing, which can be subtracted from CN2(h) , to obtain a turbulence profile free of dome contribution. Examples of simultaneous CN2(h) and V(h) monitorings are presented.

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