Conically scanning lidar error in complex terrain

Ferhat Bingöl, Jakob Mann, Dimitri Foussekis

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Conically scanning lidars assume the flow to be homogeneous in order to deduce the horizontal wind speed. However, in mountainous or complex terrain this assumption is not valid implying a risk that the lidar will derive an erroneous wind speed. The magnitude of this error ismeasured by collocating a meteorological mast and a lidar at two Greek sites, one hilly and one mountainous. The maximum error for the sites investigated is of the order of 10 %. In order to predict the error for various wind directions the flows at both sites are simulated with the linearized flow model, WAsP Engineering 2.0. The measurement data are compared with the model predictions with good results for the hilly site, but with less success at the mountainous site. This is a deficiency of the flow model, but the methods presented in this paper can be used with any flow model
    Original languageEnglish
    JournalMeteorologische Zeitschrift
    Volume18
    Issue number2
    Pages (from-to)189-195
    ISSN0941-2948
    DOIs
    Publication statusPublished - 2009

    Keywords

    • Wind energy
    • Meteorology

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