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IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1
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| Zeitschriftentitel: | Geophysical Prospecting |
|---|---|
| Personen und Körperschaften: | , |
| In: | Geophysical Prospecting, 40, 1992, 6, S. 651-670 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
BHATTACHARYA, B. B. BISWAS, D. BHATTACHARYA, B. B. BISWAS, D. |
|---|---|
| author |
BHATTACHARYA, B. B. BISWAS, D. |
| spellingShingle |
BHATTACHARYA, B. B. BISWAS, D. Geophysical Prospecting IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 Geochemistry and Petrology Geophysics |
| author_sort |
bhattacharya, b. b. |
| spelling |
BHATTACHARYA, B. B. BISWAS, D. 0016-8025 1365-2478 Wiley Geochemistry and Petrology Geophysics http://dx.doi.org/10.1111/j.1365-2478.1992.tb00546.x <jats:title>A<jats:sc>bstract</jats:sc></jats:title><jats:p>The induced polarization response for a 2D horizontal cylinder embedded in a half‐space is calculated for a uniform electric source. Response curves, in the form of apparent charge‐ability taking into account the effect of the air‐earth interface, exhibit a sharp decrease in amplitude with an increase in depth of burial of the target. The resistivity contrast between the cylinder and the host plays a dominant role in determining the IP response, i.e. the amplitude decreases considerably with the increase in resistivity contrast. The decrease is due to the defocusing effect caused by the resistive cylinder. The current lines tend to deviate away from the cylindrical target. In the case of a highly conducting cylinder, apparent defocusing takes place as current lines are confined to the surface of the conducting cylinder. An increase in chargeability contrast is reflected as a steady rise in the response. The peak response at the centre is reduced by about half the magnitude when the air–earth interface is not considered. The variation of response along the profile, though noticeable, is not as high as that obtained at the centre.</jats:p> IP RESPONSE FOR A 2D HORIZONTAL CYLINDER<sup>1</sup> Geophysical Prospecting |
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Geophysical Prospecting |
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| title |
IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_unstemmed |
IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_full |
IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
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IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_full_unstemmed |
IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_short |
IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_sort |
ip response for a 2d horizontal cylinder<sup>1</sup> |
| topic |
Geochemistry and Petrology Geophysics |
| url |
http://dx.doi.org/10.1111/j.1365-2478.1992.tb00546.x |
| publishDate |
1992 |
| physical |
651-670 |
| description |
<jats:title>A<jats:sc>bstract</jats:sc></jats:title><jats:p>The induced polarization response for a 2D horizontal cylinder embedded in a half‐space is calculated for a uniform electric source. Response curves, in the form of apparent charge‐ability taking into account the effect of the air‐earth interface, exhibit a sharp decrease in amplitude with an increase in depth of burial of the target. The resistivity contrast between the cylinder and the host plays a dominant role in determining the IP response, i.e. the amplitude decreases considerably with the increase in resistivity contrast. The decrease is due to the defocusing effect caused by the resistive cylinder. The current lines tend to deviate away from the cylindrical target. In the case of a highly conducting cylinder, apparent defocusing takes place as current lines are confined to the surface of the conducting cylinder. An increase in chargeability contrast is reflected as a steady rise in the response. The peak response at the centre is reduced by about half the magnitude when the air–earth interface is not considered. The variation of response along the profile, though noticeable, is not as high as that obtained at the centre.</jats:p> |
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| author | BHATTACHARYA, B. B., BISWAS, D. |
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| description | <jats:title>A<jats:sc>bstract</jats:sc></jats:title><jats:p>The induced polarization response for a 2D horizontal cylinder embedded in a half‐space is calculated for a uniform electric source. Response curves, in the form of apparent charge‐ability taking into account the effect of the air‐earth interface, exhibit a sharp decrease in amplitude with an increase in depth of burial of the target. The resistivity contrast between the cylinder and the host plays a dominant role in determining the IP response, i.e. the amplitude decreases considerably with the increase in resistivity contrast. The decrease is due to the defocusing effect caused by the resistive cylinder. The current lines tend to deviate away from the cylindrical target. In the case of a highly conducting cylinder, apparent defocusing takes place as current lines are confined to the surface of the conducting cylinder. An increase in chargeability contrast is reflected as a steady rise in the response. The peak response at the centre is reduced by about half the magnitude when the air–earth interface is not considered. The variation of response along the profile, though noticeable, is not as high as that obtained at the centre.</jats:p> |
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| imprint | Wiley, 1992 |
| imprint_str_mv | Wiley, 1992 |
| institution | DE-Bn3, DE-Brt1, DE-D161, DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229, DE-D275 |
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| physical | 651-670 |
| publishDate | 1992 |
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| series | Geophysical Prospecting |
| source_id | 49 |
| spelling | BHATTACHARYA, B. B. BISWAS, D. 0016-8025 1365-2478 Wiley Geochemistry and Petrology Geophysics http://dx.doi.org/10.1111/j.1365-2478.1992.tb00546.x <jats:title>A<jats:sc>bstract</jats:sc></jats:title><jats:p>The induced polarization response for a 2D horizontal cylinder embedded in a half‐space is calculated for a uniform electric source. Response curves, in the form of apparent charge‐ability taking into account the effect of the air‐earth interface, exhibit a sharp decrease in amplitude with an increase in depth of burial of the target. The resistivity contrast between the cylinder and the host plays a dominant role in determining the IP response, i.e. the amplitude decreases considerably with the increase in resistivity contrast. The decrease is due to the defocusing effect caused by the resistive cylinder. The current lines tend to deviate away from the cylindrical target. In the case of a highly conducting cylinder, apparent defocusing takes place as current lines are confined to the surface of the conducting cylinder. An increase in chargeability contrast is reflected as a steady rise in the response. The peak response at the centre is reduced by about half the magnitude when the air–earth interface is not considered. The variation of response along the profile, though noticeable, is not as high as that obtained at the centre.</jats:p> IP RESPONSE FOR A 2D HORIZONTAL CYLINDER<sup>1</sup> Geophysical Prospecting |
| spellingShingle | BHATTACHARYA, B. B., BISWAS, D., Geophysical Prospecting, IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1, Geochemistry and Petrology, Geophysics |
| title | IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_full | IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_fullStr | IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_full_unstemmed | IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_short | IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| title_sort | ip response for a 2d horizontal cylinder<sup>1</sup> |
| title_unstemmed | IP RESPONSE FOR A 2D HORIZONTAL CYLINDER1 |
| topic | Geochemistry and Petrology, Geophysics |
| url | http://dx.doi.org/10.1111/j.1365-2478.1992.tb00546.x |