Radar Soundings of the Subsurface of Mars

Picardi, G.; Plaut, J. J.; Biccari, D.; Bombaci, O.; Calabrese, D.; Cartacci, M.; Cicchetti, A.; Clifford, Stephen M.; Edenhofer, P.; Farrell, W. M.; Federico, C.; Frigeri, Alessandro; Gurnett, D. A.; Hagfors, T.; Heggy, E.; Hérique, Alain; Huff, R. L.; Ivanov, A. B.; Johnson, Wesley L.; Jordan, R.; Kirchner, D. L.; Kofman, W.; Leuschen, C.; Nielsen, E.; Orosei, R.; Pettinelli, Elena; Phillips, R. J.; Plettemeier, Dirk; Safaeinili, A.; Seu, R.; Stofan, E. R.; Vannaroni, G.; Watters, T. R.; Zampolini, E.

doi:10.1126/science.1122165

Cited by 343 publications

(252 citation statements)

References 16 publications

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“…Indeed, they reveal only the ice/ rock interface in the North PLD's, i.e., the base of the polar cap [Picardi et al, 2005]. This aspect simplifies our model to three homogeneous layers (see Figure 1).…”

Section: Inversion Techniquementioning

confidence: 99%

“…[3] Both the North [e.g., Picardi et al, 2005;Putzig et al, 2009] and the South [e.g., Plaut et al, 2007;Seu et al, 2007a] PLD's have been observed by the MARSIS [Picardi et al, 2004] and SHARAD [Seu et al, 2007b] subsurface sounding radars, which operate in the HF and VHF bandwidth, respectively. Subsurface radar sounding is the only viable technique that can provide information in the third dimension (depth) of a planet from orbit.…”

Section: Introductionmentioning

confidence: 99%

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Permittivity estimation of layers beneath the northern polar layered deposits, Mars

Lauro

Mattei

Pettinelli

et al. 2010

Geophysical Research Letters

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Martian Polar Layered Deposits, most likely dusty ice\ud are transparent to radar waves. In the North Pole bedrock\ud has been detected by MARSIS up to a depth about 2 Km,\ud whereas in the South Pole such interface has been located\ud at about 3.7 Km. The reflected signal is generally above\ud the noise and can be used to estimate the dielectric properties\ud of the bedrock. Assuming the permittivity of the first layer is\ud known, we use a simplified inversion method to extract the\ud bedrock relative dielectric permittivity as 4–9 below the\ud North PLD’s. These values are coherent with the basalt\ud nature and so the approach could be used to identify the\ud lithology beneath the Martian Poles

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Section: Inversion Techniquementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Permittivity estimation of layers beneath the northern polar layered deposits, Mars

Lauro

Mattei

Pettinelli

et al. 2010

Geophysical Research Letters

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“…GPR is often employed for nondestructive testing close to a ground interface with the aim of localizing buried targets in the shallow subsurface, such as in landmine detection and other important civil, forensic, archaeological, geophysical, and planetary applications [1][2][3][4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

GPR Estimation of the Geometrical Features of Buried Metallic Targets in Testing Conditions

Soldovieri¹,

Catapano²,

Barone³

et al. 2013

PIER B

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Abstract-The capability of Ground Penetrating Radar (GPR) systems of accurately reconstructing the geometrical features of buried objects when working in critical conditions is investigated. A customized microwave tomographic approach is used to tackle the imaging through the processing of comparative experimental and synthetic GPR data. The first ones have been gathered in laboratory controlled conditions, while the second ones have been obtained by exploiting an ad-hoc implementation of a CAD tool. Attention is paid to the significant case of 'strong' scatterers having size comparable to the wavelengths of the probing signal, and possibly located close to the interface where the GPR antennas move. The results from imaging point out the potential of the proposed approach, showing in particular to which extent in challenging operational settings, it is possible to recover also the information about the shape of metallic targets in addition to their correct location and size.

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“…The physical conclusion related to (9) is that a linear reconstruction will be substantially the same for dielectric and magnetic targets (we have a formal difference of the two object functions, but it is irrelevant), and in particular, any linear reconstruction will not able to distinguish whether the focused target was dielectric or magnetic (or both) contrasted with the surrounding soil.…”

Section: Diffraction Tomography Relationshipsmentioning

confidence: 99%

“…Recently, it has been outlined that the anomalies and/or the background scenario can exhibit magnetic properties, even in the radio-frequency and microwave range [3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Pseudo 3D Imaging of Dielectric and Magnetic Anomalies from GPR Data

Persico

Negri

Soldovieri

et al. 2012

International Journal of Geophysics

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This paper deals with the reconstruction of buried targets exhibiting both dielectric and magnetic characteristics, starting from GPR data collected at the interface air/soil. The problem is tackled under the Born approximation. In particular, two-dimensional migration and linear inversion results will be compared versus experimental data and three-dimensional representations of the reconstructions achieved from both methods will be shown.

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Radar Soundings of the Subsurface of Mars

Cited by 343 publications

References 16 publications

Permittivity estimation of layers beneath the northern polar layered deposits, Mars

Permittivity estimation of layers beneath the northern polar layered deposits, Mars

GPR Estimation of the Geometrical Features of Buried Metallic Targets in Testing Conditions

Pseudo 3D Imaging of Dielectric and Magnetic Anomalies from GPR Data

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