An englacial image and water pathways of the Fourcade glacier on King George Island, Antarctic Peninsula, inferred from ground-penetrating radar |
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| Authors: | LEE Joohan KIM Ki Young HONG Jong Kuk & JIN Young Keun Korea Polar Research Institute Songdo Techno Park - Songdo-dong Yeonsu-gu Incheon - Korea |
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| Institution: | LEE Joohan1,KIM Ki Young2,HONG Jong Kuk1 & JIN Young Keun1 1 Korea Polar Research Institute,Songdo Techno Park,7-50,Songdo-dong,Yeonsu-gu,Incheon 406-840,Korea,2 Department of Geophysics,Kangwon National University,Chunchon,200-701 |
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| Abstract: | The distribution of small fractures and water content of the Fourcade glacier on King George Island, Antarctica, was investigated in November 2006 and December 2007 by two ground-based (470-and 490-m-long profiles) and one helicopter-borne (470-m-long profile) ground-penetrating radar (GPR) surveys using 50-, 100-, and 500-MHz antennas. Radar images in the pre-migrated GPR sections are characterized by a smooth ice surface and irregular bed topography, numerous diffraction hyperbolas in the ice and at the g... |
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| Keywords: | GPR water content Fourcade glacier scattering noise migration velocity analysis fractures |
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