GPR

Applied Geophysics

89.456/89.556
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Supplemental Graphics
Introduction
Subdivisions of applied geophysics Applied Geophysics subdivisions.jpg (21901 bytes)   Matching geophysical methods to applications Geophysical methods applications.jpg (35487 bytes)
Schematic flow diagram to illustrate the decision making process leading to the selection of geophysical and utility software. From Reynolds (1991).  Decision making.jpg (41913 bytes)  

 

  
Magnetic method
Magnetic field generated by a magnetized body when i = 60o Magnetic field.jpg (36777 bytes)      
Ground penetrating radar (GPR)
Applications for ground penetrating radar GPR applications.jpg (99178 bytes)   Diagram of GPR system and radargram Radar system.jpg (64082 bytes)
Attenuation in signal strength Radar attenuation.jpg (22436 bytes)   Variation of skin depth as a function of resistivity Radar skin depth.jpg (15933 bytes)
Radar range for radars with different system performances Radar range.jpg (24001 bytes)   Radiowave velocities as a function of relative dielectric constant Radiowave velocities.jpg (19004 bytes)
Relative dielectric constants and radiowave velocities for a range of materials Table dielectric contstants.jpg (57740 bytes)   Probing distances as a function of frequency for different geological materials Radar probing distances.jpg (51167 bytes)
Radar velocities as a function of porosity Radar velocities.jpg (13656 bytes)   WARR and CMP soundings Radar soundings.jpg (35306 bytes)