%0 Journal Article
%T Migration of Source Locations and Arrival Orientations for Infrasound Excitation in the Lützow-Holm Bay, Antarctica: January - April 2017
%A Takahiko Murayama
%A Masaki Kanao
%A Masa-Yuki Yamamoto
%J InfraMatics
%P 1-11
%@ 2169-2696
%D 2023
%I Scientific Research Publishing
%R 10.4236/inframatics.2023.41001
%X <span style=\"font-family:Verdana;\">Predominant phenomenon of the
migration in source locations and arrival o</span><span><span style=\"font-family:&quot;\"><span style=\"font-family:Verdana;\">rientations for infrasound excitation was clearly
identified by using a</span><span style=\"font-family:Verdana;\"> com</span><span style=\"font-family:Verdana;\">bination of
two arrays deployed at the coast of the L¨ątzow-Holm Ba</span><span style=\"font-family:Verdana;\">y (LHB), Antarctica during the period from January to April in 2017. A
few tens of </span><span style=\"font-family:Verdana;\">infrasound source locations were determined in several
individual days</span><span style=\"font-family:Verdana;\"> during four months in 2017.
These identified source locations appeared to be m</span><span style=\"font-family:Verdana;\">igrated from the north-east direction to the
north-west direction fr</span><span style=\"font-family:Verdana;\">om 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 f</span></span></span><span style=\"font-family:Verdana;\"><span style=\"font-family:Verdana;\">ro</span></span><span style=\"font-family:Verdana;\"><span style=\"font-family:Verdana;\">m 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.
%K Infrasound
%K Array Analyses
%K Antarctica
%K Katabatic Winds
%K Microbaroms
%K Sea-Ice Dynamics
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=128617