Broadband seismic deployments in east Antarctica: IPY contribution to monitoring the earth's interiors

Masaki Kanao, Douglas A. Wiens, Satoru Tanaka, Andrew Arnold Nyblade, Genti Toyokuni, Patrick J. Shore, Seiji Tsuboi, David S. Heeszel, Yusuke Usui, Timothy Parker

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

"Deployment of broadband seismic stations on the Antarctica continent" is an ambitious project to improve the spatial resolution of seismic data across the Antarctic Plate and surrounding regions. Several international collaborative programs for the purpose of geomonitoring were conducted in Antarctica during the International Polar Year (IPY) 2007-2008. The Antarctica's GAmburtsev Province (AGAP; IPY #147), the GAmburtsev Mountain SEISmic experiment (GAMSEIS), a part of AGAP, and the Polar Earth Observing Network (POLENET; IPY #185) were major contributions in establishing a geophysical network in Antarctica. The AGAP/GAMSEIS project was an internationally coordinated deployment of more than 30 broadband seismographs over the crest of the Gambursev Mountains (Dome-A), Dome-C and Dome- Farea. The investigations provide detailed information on crustal thickness and mantle structure; provide key constraints on the origin of the Gamburtsev Mountains; and more broadly on the structure and evolu- tion of the East Antarctic craton and subglacial environment. From GAMSEIS and POLENET data obtained, local and regional seismic signals associated with ice movements, oceanic loading, and local meteorological variations were recorded together with a significant number of teleseismic events. In this chapter, in addition to the Earth's interiors, we will demonstrate some of the remarkable seismic signals detected dur- ing IPY that illustrate the capabilities of broadband seismometers to study the subglacial environment, particularly at the margins of Antarctica. Additionally, the AGAP and POLENET stations have an important role in the Federation of Digital Seismographic Network (FDSN) in southern high latitude.

Original languageEnglish (US)
Article numberSS0322
JournalAnnals of Geophysics
Volume57
Issue number3
DOIs
StatePublished - Jan 1 2014

Fingerprint

Antarctic regions
mountains
broadband
domes
subglacial environment
mountain
dome
monitoring
seismographs
seismograph
stations
ice movement
federations
mantle structure
cratons
experiment
crustal thickness
continents
polar regions
craton

All Science Journal Classification (ASJC) codes

  • Geophysics

Cite this

Kanao, Masaki ; Wiens, Douglas A. ; Tanaka, Satoru ; Nyblade, Andrew Arnold ; Toyokuni, Genti ; Shore, Patrick J. ; Tsuboi, Seiji ; Heeszel, David S. ; Usui, Yusuke ; Parker, Timothy. / Broadband seismic deployments in east Antarctica : IPY contribution to monitoring the earth's interiors. In: Annals of Geophysics. 2014 ; Vol. 57, No. 3.
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abstract = "{"}Deployment of broadband seismic stations on the Antarctica continent{"} is an ambitious project to improve the spatial resolution of seismic data across the Antarctic Plate and surrounding regions. Several international collaborative programs for the purpose of geomonitoring were conducted in Antarctica during the International Polar Year (IPY) 2007-2008. The Antarctica's GAmburtsev Province (AGAP; IPY #147), the GAmburtsev Mountain SEISmic experiment (GAMSEIS), a part of AGAP, and the Polar Earth Observing Network (POLENET; IPY #185) were major contributions in establishing a geophysical network in Antarctica. The AGAP/GAMSEIS project was an internationally coordinated deployment of more than 30 broadband seismographs over the crest of the Gambursev Mountains (Dome-A), Dome-C and Dome- Farea. The investigations provide detailed information on crustal thickness and mantle structure; provide key constraints on the origin of the Gamburtsev Mountains; and more broadly on the structure and evolu- tion of the East Antarctic craton and subglacial environment. From GAMSEIS and POLENET data obtained, local and regional seismic signals associated with ice movements, oceanic loading, and local meteorological variations were recorded together with a significant number of teleseismic events. In this chapter, in addition to the Earth's interiors, we will demonstrate some of the remarkable seismic signals detected dur- ing IPY that illustrate the capabilities of broadband seismometers to study the subglacial environment, particularly at the margins of Antarctica. Additionally, the AGAP and POLENET stations have an important role in the Federation of Digital Seismographic Network (FDSN) in southern high latitude.",
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Kanao, M, Wiens, DA, Tanaka, S, Nyblade, AA, Toyokuni, G, Shore, PJ, Tsuboi, S, Heeszel, DS, Usui, Y & Parker, T 2014, 'Broadband seismic deployments in east Antarctica: IPY contribution to monitoring the earth's interiors', Annals of Geophysics, vol. 57, no. 3, SS0322. https://doi.org/10.4401/ag-6379

Broadband seismic deployments in east Antarctica : IPY contribution to monitoring the earth's interiors. / Kanao, Masaki; Wiens, Douglas A.; Tanaka, Satoru; Nyblade, Andrew Arnold; Toyokuni, Genti; Shore, Patrick J.; Tsuboi, Seiji; Heeszel, David S.; Usui, Yusuke; Parker, Timothy.

In: Annals of Geophysics, Vol. 57, No. 3, SS0322, 01.01.2014.

Research output: Contribution to journalArticle

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AU - Tanaka, Satoru

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