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Atmospheric boundary waves excited by the tsunami generation related to the 2011 great Tohoku‐Oki earthquake

Arai, Nobuo ; Iwakuni, Makiko ; Watada, Shingo ; Imanishi, Yuichi ; Murayama, Takahiko ; Nogami, Mami

Geophysical Research Letters, April 2011, Vol.38(7), pp.n/a-n/a [Evalué par les pairs]

  • Titre :
    Atmospheric boundary waves excited by the tsunami generation related to the 2011 great Tohoku‐Oki earthquake
  • Auteur : Arai, Nobuo ; Iwakuni, Makiko ; Watada, Shingo ; Imanishi, Yuichi ; Murayama, Takahiko ; Nogami, Mami
  • Notes : Atmospheric pressure changes caused by the 2011 Off the Pacific Coast of Tohoku, Japan earthquake (Mw = 9.0) are investigated. Sensitive microbarographs in and around Japan recorded unequivocal signals associated with the tsunami. We identify them as atmospheric boundary waves excited by the uplift and subsidence of the ocean surface, on the basis of the waveform characteristics as well as similarity with the data from ocean‐bottom pressure gauges. Potential usefulness of an observation network of atmospheric pressure is discussed regarding the improvement of the tsunami warning system. Atmospheric pressure changes excited by tsunami generation were observed Observed atmospheric waves are clearly identified as the boundary waves Observed atmospheric waves preserved the information on the tsunami source
  • Liens : Geophysical Research Letters, April 2011, Vol.38(7), pp.n/a-n/a [Evalué par les pairs]
  • Sujets : Atmospheric Boundary Wave ; Atmospheric Pressure ; Tsunami
  • Type : Article
  • ISSN: 0094-8276 ; E-ISSN: 1944-8007 ; DOI: 10.1029/2011GL049146

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