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.

Electromagnetic reflecting properties of sub ice surfaces / C. Bianchi, A. Forieri, I. Tabacco. - In: ANNALS OF GLACIOLOGY. - ISSN 0260-3055. - 39(2004), pp. 9-12.

Electromagnetic reflecting properties of sub ice surfaces

A. Forieri;I. Tabacco
2004

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.
radar instrumentation, ice absorption, Antarctica
Settore GEO/11 - Geofisica Applicata
2004
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/11697
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