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http://hdl.handle.net/2122/4178| Authors: | Bianchi, C.* Forieri, A.* Tabacco, I. E.* |
Title: | Electromagnetic reflecting properties of sub-ice surfaces | Journal: | Annals of Glaciology | Series/Report no.: | / 39 (2004) | Publisher: | International Glaciological Society | Issue Date: | 2004 | Keywords: | Bedrock-topography Ice sheet |
Subject Classification: | 02. Cryosphere::02.02. Glaciers::02.02.03. Geomorphology 02. Cryosphere::02.02. Glaciers::02.02.04. Ice 02. Cryosphere::02.02. Glaciers::02.02.05. Ice dynamics |
Abstract: | The power strength of the radio-echo signal coming from reflecting sub-ice surfaces is used to determine the nature of the reflecting surface, i.e. rock, water or sea water. Electromagnetic analysis shows that the amplitude variations detected by radio-echo sounding are mainly due to the nature of the interface as well as the concave or convex shape of the reflectors. In this paper, some relevant profiles showing the power variations due to the different nature of the interface and the shape of the reflectors are presented. These results are important both for surface shape determination and for subglacial lake detection. |
| Appears in Collections: | Article published / in press |
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| BIANCHI-2004-Vol39.pdf | main article | 129.62 kB | Adobe PDF |
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