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    Measurement of acoustic attenuation in South Pole ice

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    Authors
    Abbasi, R.
    Abdou, Y.
    Abu-Zayyad, T.
    Adams, J.
    Aguilar, J.
    Ahlers, M.
    Andeen, K.
    Auffenberg, J.
    Bai, X.
    Baker, M.
    Barwick, S.
    Bay, R.
    Bazo Alba, J.
    Beattie, K.
    Beatty, J.
    Bechet, S.
    Becker, J.
    Becker, K.
    Benabderrahmane, M.
    Berdermann, J.
    Berghaus, P.
    Berley, D.
    Bernardini, E.
    Bertrand, D.
    Besson, D.
    Bissok, M.
    Blaufuss, E.
    Boersma, D.
    Bohm, C.
    Böser, S.
    Botner, O.
    Bradley, L.
    Braun, J.
    Buitink, S.
    Carson, Michael
    Chirkin, D.
    Christy, B.
    Clem, J.
    Clevermann, F.
    Cohen, S.
    Colnard, C.
    Cowen, D.
    D'Agostino, M.
    Danninger, M.
    De Clercq, C.
    Demirörs, L.
    Depaepe, O.
    Descamps, F.
    Desiati, P.
    De Vries-Uiterweerd, G.
    Deyoung, T.
    Díaz-Vélez, J.
    Dreyer, J.
    Dumm, J.
    Duvoort, M.
    Ehrlich, R.
    Eisch, J.
    Ellsworth, R.
    Engdegrd, O.
    Euler, S.
    Evenson, P.
    Fadiran, O.
    Fazely, A.
    Feusels, T.
    Filimonov, K.
    Finley, C.
    Foerster, M.
    Fox, B.
    Franckowiak, A.
    Franke, R.
    Gaisser, T.
    Gallagher, J.
    Ganugapati, R.
    Geisler, M.
    Gerhardt, L.
    Gladstone, L.
    Glüsenkamp, T.
    Goldschmidt, A.
    Goodman, J.
    Grant, D.
    Griesel, T.
    Groß, A.
    Grullon, S.
    Gunasingha, R.
    Gurtner, M.
    Gustafsson, L.
    Ha, C.
    Hallgren, A.
    Halzen, F.
    Han, K.
    Hanson, K.
    Helbing, K.
    Herquet, P.
    Hickford, S.
    Hill, G.
    Hoffman, K.
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Abbasi, R. and Abdou, Y. and Abu-Zayyad, T. and Adams, J. and Aguilar, J. and Ahlers, M. and Andeen, K. et al. 2011. Measurement of acoustic attenuation in South Pole ice. Astroparticle Physics. 34 (6): pp. 382-393.
    Source Title
    Astroparticle Physics
    DOI
    10.1016/j.astropartphys.2010.10.003
    ISSN
    0927-6505
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/11013
    Collection
    • Curtin Research Publications
    Abstract

    Using the South Pole Acoustic Test Setup (SPATS) and a retrievable transmitter deployed in holes drilled for the IceCube experiment, we have measured the attenuation of acoustic signals by South Pole ice at depths between 190 m and 500 m. Three data sets, using different acoustic sources, have been analyzed and give consistent results. The method with the smallest systematic uncertainties yields an amplitude attenuation coefficient α = 3.20 ± 0.57 km−1 between 10 and 30 kHz, considerably larger than previous theoretical estimates. Expressed as an attenuation length, the analyses give a consistent result for λ ≡ 1/α of ~300 m with 20% uncertainty. No significant depth or frequency dependence has been found.

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