geophysHW5 - Maxwell Scott Geo-Phys Electromagnetic methods...

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Maxwell Scott Geo-Phys Electromagnetic methods are becoming more popular in engineering and physical research because of their high resolution, speed and ease of use. Due to the presence of subsurface materials like fluids, and metals etc, practices in electromagnetism are being used increasingly to map these regions of enhanced conductivity. The instruments used in field tests induce an electromagnetic current in conducting materials within the earth. They collect data rapidly and accurately without the mess of cables and ground penetrating radar methods. Electromagnetic waves include wavelengths over a multiple range of spectra, from radio waves to gamma rays. The waves are produced by the acceleration of electrons or other charged particles in space which propagate in the direction B x E (magnetic field cross electric field). All waves are vector fields and propagate according to this simple vector addition. These electromagnetic waves were first proposed by Scottish physicist James
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This note was uploaded on 04/27/2009 for the course GEOL 4130 taught by Professor Rogerbilham during the Spring '09 term at Colorado.

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geophysHW5 - Maxwell Scott Geo-Phys Electromagnetic methods...

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