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https://doi.org/10.5772/23410

has been cited by the following article:

• TITLE: Migration of Source Locations and Arrival Orientations for Infrasound Excitation in the Lützow-Holm Bay, Antarctica: January - April 2017

  AUTHORS: Takahiko Murayama, Masaki Kanao, Masa-Yuki Yamamoto

  KEYWORDS: Infrasound, Array Analyses, Antarctica, Katabatic Winds, Microbaroms, Sea-Ice Dynamics

  JOURNAL NAME: InfraMatics, Vol.4 No.1, October 27, 2023

  ABSTRACT: Predominant phenomenon of the migration in source locations and arrival orientations for infrasound excitation was clearly identified by using a combination of two arrays deployed at the coast of the Lützow-Holm Bay (LHB), Antarctica during the period from January to April in 2017. A few tens of infrasound source locations were determined in several individual days during four months in 2017. These identified source locations appeared to be migrated from the north-east direction to the north-west direction from January to April in 2017, the evidence assumed to be caused by time-offset effects between katabatic winds from continental ice sheet and the microbaroms from the LHB, based on comparison with oceanic wave heights around Antarctica and Southern Indian Ocean calculated by the wave model (WAM). The latter source locations in the north-west direction were also considered to be related with the sea-ice dynamics involving collapse and/or discharge from the LHB to the Ocean by comparison with MODIS satellite image.