Results 81 to 90 of about 5,938 (220)

P-wave and surface wave survey for permafrost analysis in alpine regions [PDF]

open access: yes, 2012
We discuss the results of seismic survey to delineate temporal and spatial changes of frozen layer in Alpine environments. The seismic characterization allows us to detect changes of soil deformability properties related to the temperature effect on ...
Arato, Alessandro   +4 more
core  

Discrete tomography and joint inversion for loosely connected or unconnected physical properties: application to crosshole seismic and georadar data sets [PDF]

open access: yes, 2017
Tomographic inversions of geophysical data generally include an underdetermined component. To compensate for this shortcoming, assumptions or a priori knowledge need to be incorporated in the inversion process.
Green, A. G., Maurer, H. R., Musil, M.
core  

Non-conventional geoelectric arrays : practical results of the OTKA project K49604 [PDF]

open access: yes, 2011
In this paper we provide a comprehensive summary about the practical results of the OTKA project K49604. 1. We calculated the consequences of incorrect positioning of the electrodes for various multielectrode systems.
Novák, Attila   +3 more
core   +1 more source

Application and comparison of three tomographic techniques for detection of decay in trees

open access: yes, 2003
This paper reports application of electric, ultrasonic, and georadar tomography for detection of decay in trees and their comparison with the traditional penetrometer.
Godio, Alberto   +4 more
core  

THE PRACTICE OF USING GPR TECHNOLOGY IN THE EXAMINATION TUNNEL

open access: yesNauka ta progres transportu, 2007
In the paper the practical and analytical aspects of research methodology for a tunnel casings by georadar technologies are presented.
O. B. Kazarin   +5 more
doaj  

La reconstrucción de un palimpsesto románico mediante técnicas no destructivas

open access: yesInformes de la Construccion, 2014
La catedral gótica de Tortosa (1346), se superpone sobre una construcción románica (1178) a modo de alimpsesto, de la cual no existe ninguna evidencia física.
J. Lluis i Ginovart   +2 more
doaj   +1 more source

First ground penetrating radar survey on Monte Perdido glacier (Pyrenees) [PDF]

open access: yes, 2016
Producción CientíficaThe project “The Monte Perdido Glacier: Monitoring the glacial dynamic and the associated cryospheric processes as indicators of global change” (National Park´s 2013 Fund) aims to study the recent dynamic and degradation of this ice
Heras Barrueco, Andrés   +5 more
core   +1 more source

Non invasive subsurface imaging to investigate the site evolution of Machu Picchu. [PDF]

open access: yesSci Rep, 2023
Masini N   +11 more
europepmc   +1 more source

Rilievi e indagini diagnostiche non distruttive per l’individuazione delle cripte - La Cattedrale di Ragusa [PDF]

open access: yes, 2014
I diversi operatori, che si occupano di Beni Storici e Culturali, si avvalgono sempre più spesso delle soluzioni tecnologiche avanzate offerte dalla moderna Geomatica, facendo ricorso ad integrazioni delle sue discipline, per meglio studiare, indagare e ...
D'AMELIO, Salvatore   +3 more
core  

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