Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco)
Resistivity Profiling and Very Low Frequency (VLF) electromagnetic methods were introduced to study fracture zones detection in Zaouia Jdida locality, within the Errachidia basin. The Horizontal Profiling was conducted in Wenner-α array, with AB = 300m and profile lines oriented NW–SE and NE–SW. The...
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Earth Science Institute, Slovak Academy of Sciences, Slovakia
2019-06-01
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doaj-f19d0fddcb594df78f993b3591466e722020-11-25T03:42:10ZengEarth Science Institute, Slovak Academy of Sciences, SlovakiaContributions to Geophysics and Geodesy1338-05402019-06-0149218119410.2478/congeo-2019-0009201Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco)Youssef AIT BAHAMMOU0Ahmed BENAMARA1Abdellah AMMAR2Ibrahim DAKIR3Mohammed V University, Laboratory of Geophysics and Natural Risks, Faculty of Sciences, Rabat-Agdal, MoroccoMoulay Ismail University, Laboratory of Applied Geophysics, Faculty of Sciences and Techniques, Errachidia, MoroccoMohammed V University, Laboratory of Geophysics and Natural Risks, Faculty of Sciences, Rabat-Agdal, MoroccoAbdelmalek Essaadi University, Faculty of Sciences, Department of Geology, Tetouan, MoroccoResistivity Profiling and Very Low Frequency (VLF) electromagnetic methods were introduced to study fracture zones detection in Zaouia Jdida locality, within the Errachidia basin. The Horizontal Profiling was conducted in Wenner-α array, with AB = 300m and profile lines oriented NW–SE and NE–SW. The resistivity measurements were taken using MAE advanced geophysics instruments. The VLF profiles were implanted with the length reaches 1000 m and profile lines oriented in NE–SW direction. The VLF measurements were collected using T-VLF iris instrument and the data filtering was done using KHFFILT software. Two filters, Karous-Hjelt and Fraser, were applied to the real component of the secondary electromagnetic field. The qualitative interpretation of resistivity results, showed the presence of subsurface targets; fracture zones were detected at 70m, 240m and 450m positions along the profile P1, at 180m, 340m and 450m positions from the profile P2. The semi-quantitative interpretation of VLF results revealed the presence of two principal fracture zones at L3 and L5 locations, oriented NW–SE, at a depth range of 30 m to 60 m. The VLF anomaly observed at L3 location is confirmed by the resistivity measurements from the profile P1 (at 70m station). The identified fractures represent the potential zones for groundwater supply and then will have an implication on storage and movement of groundwater in the prospect area.https://journal.geo.sav.sk/cgg/article/view/201errachidia basin, fracture zone, resistivity, very low frequency, data filtering, groundwater exploration |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Youssef AIT BAHAMMOU Ahmed BENAMARA Abdellah AMMAR Ibrahim DAKIR |
spellingShingle |
Youssef AIT BAHAMMOU Ahmed BENAMARA Abdellah AMMAR Ibrahim DAKIR Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco) Contributions to Geophysics and Geodesy errachidia basin, fracture zone, resistivity, very low frequency, data filtering, groundwater exploration |
author_facet |
Youssef AIT BAHAMMOU Ahmed BENAMARA Abdellah AMMAR Ibrahim DAKIR |
author_sort |
Youssef AIT BAHAMMOU |
title |
Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco) |
title_short |
Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco) |
title_full |
Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco) |
title_fullStr |
Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco) |
title_full_unstemmed |
Fracture zones detection for groundwater exploration integrating Resistivity Profiling and Very Low Frequency electromagnetic methods (Errachidia basin, Morocco) |
title_sort |
fracture zones detection for groundwater exploration integrating resistivity profiling and very low frequency electromagnetic methods (errachidia basin, morocco) |
publisher |
Earth Science Institute, Slovak Academy of Sciences, Slovakia |
series |
Contributions to Geophysics and Geodesy |
issn |
1338-0540 |
publishDate |
2019-06-01 |
description |
Resistivity Profiling and Very Low Frequency (VLF) electromagnetic methods were introduced to study fracture zones detection in Zaouia Jdida locality, within the Errachidia basin. The Horizontal Profiling was conducted in Wenner-α array, with AB = 300m and profile lines oriented NW–SE and NE–SW. The resistivity measurements were taken using MAE advanced geophysics instruments. The VLF profiles were implanted with the length reaches 1000 m and profile lines oriented in NE–SW direction. The VLF measurements were collected using T-VLF iris instrument and the data filtering was done using KHFFILT software. Two filters, Karous-Hjelt and Fraser, were applied to the real component of the secondary electromagnetic field. The qualitative interpretation of resistivity results, showed the presence of subsurface targets; fracture zones were detected at 70m, 240m and 450m positions along the profile P1, at 180m, 340m and 450m positions from the profile P2. The semi-quantitative interpretation of VLF results revealed the presence of two principal fracture zones at L3 and L5 locations, oriented NW–SE, at a depth range of 30 m to 60 m. The VLF anomaly observed at L3 location is confirmed by the resistivity measurements from the profile P1 (at 70m station). The identified fractures represent the potential zones for groundwater supply and then will have an implication on storage and movement of groundwater in the prospect area. |
topic |
errachidia basin, fracture zone, resistivity, very low frequency, data filtering, groundwater exploration |
url |
https://journal.geo.sav.sk/cgg/article/view/201 |
work_keys_str_mv |
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