Difference between GPR from seismic

  • Thread starter mcmzie
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  • #1
mcmzie
5
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(1) What would you consider to be the qualitative difference between GPR (Ground Penitrating Radar) and Seismic?

(2) How is the GRP similar and different from seismic
 

Answers and Replies

  • #2
billiards
771
15
GPR uses electromagnetic waves, seismic uses seismic waves. GPR is better for shallow, high resolution surveys; seismology is better for surveys at larger scales, from small refraction surveys up to and beyond global scales sampling the Earth's inner core (ever heard of helioseismology?). Electromagnetic waves are most notably reflected at high permittivity contrasts, whereas seismic waves are most notably reflected at high acoustic impedance contrasts - the two techniques depend on different geophysical properties and therefore can be complementary in geophysical surveying.
 

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