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rdac:C10001 bibo:Article

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n5:numericalmethodsandcodes n14:methodsdataanalysis n14:sitetesting n14:atmosphericeffects n14:turbulence n14:instrumentationadaptiveoptics

dcterms:title

Atmospheric turbulence and wind profiles monitoring with generalized scidar

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2001-01-01

rdaw:P10072

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n10:person n2:sanchezlj n2:verninj

dcterms:abstract

We present a method for simultaneous measurement of the vertical distribution of the optical turbulence strength $C_{\rm N}^2(h) $ and wind velocity ${\vec V}(h)$ 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 ${\vec V}(h)$ 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 $C_{\rm N}^2(h) $, to obtain a turbulence profile free of dome contribution. Examples of simultaneous $C_{\rm N}^2(h)$ and ${\vec V}(h)$ monitorings are presented.

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n17:researcharticle

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aa1926

dcterms:dateCopyrighted

2001-01-01

dcterms:rights

© ESO, 2001

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ESO

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