Subsurface imaging with low frequency SAR

Field validation in Egypt using a ground-penetrating radar

G. Grandjean, Ph Paillou, N. Baghdadi, Essam Heggy, T. August-Bernex

Research output: Contribution to journalArticle

Abstract

We study the capabilities of low frequency radar systems to sound the subsurface in arid countries. This approach is based on the coupling between two complementary radar techniques: the spaceborne Synthetic Aperture Radar (SAR) used in L-band (1.2 GHz) for imaging large scale subsurface structures, and the Ground-Penetrating Radar (GPR) used between 500 and 900 MHz for sounding the soils at local scale from the surface down to several meters. We report the preliminary results obtained in the Southern Egyptian Desert. The qualitative comparison between L-band SAR and GPR sections shows that penetration effects occur in many places, revealing rich subsurface structures. Preliminary results are commented and future quantitative analysis of these data should lead us to understand the physical processes acting in such typical arid context.

Original languageEnglish
Pages (from-to)351-354
Number of pages4
JournalEuropean Space Agency, (Special Publication) ESA SP
Issue number475
Publication statusPublished - Jan 2002
Externally publishedYes

Fingerprint

Egypt
ground penetrating radar
ultrahigh frequencies
synthetic aperture radar
Synthetic aperture radar
radar
Radar
low frequencies
Imaging techniques
deserts
sounding
quantitative analysis
soils
penetration
desert
Radar systems
acoustics
Acoustic waves
Soils
soil

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Subsurface imaging with low frequency SAR : Field validation in Egypt using a ground-penetrating radar. / Grandjean, G.; Paillou, Ph; Baghdadi, N.; Heggy, Essam; August-Bernex, T.

In: European Space Agency, (Special Publication) ESA SP, No. 475, 01.2002, p. 351-354.

Research output: Contribution to journalArticle

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