Excess Attenuation and Meteorological Data in a Long Term Measurement

Panu Maijala

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    2 Citations (Scopus)


    Continuous sound propagation measurements along with extensive meteorological measurements are behind. Over 2 terabytes of data consisting of multi-channel audio captured by an acoustical antenna, thousands of human made observations, atmospheric real-time soundings by a SODAR and over 1200 radiosondes sent along with helium balloons, data from automatic weather stations and a 48 m high meteorological tower causing millions of readouts to a huge database. Every hour, every day, over a period of 20 months in a place where temperature can vary from -50 to over +30 degrees Celsius. The measured sound propagation and meteorological data were analyzed statistically and an overview on some results is presented. The most interesting dependent factor, excess attenuation, is under inspection. The range of the measured excess attenuations, dependency on the time of the day, and dependency on the Pasquill stability classes is shown in this paper.
    Original languageEnglish
    Title of host publicationEuronoise 2006 proceedings CD-ROM
    PublisherAkustinen Seura ry
    Publication statusPublished - 2006
    MoE publication typeNot Eligible
    Event6th European Conference on Noise Control, Euronoise 2006 - Tampere, Finland
    Duration: 30 May 20061 Jun 2006


    Conference6th European Conference on Noise Control, Euronoise 2006
    Abbreviated titleEuronoise


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