S. Zaynal, M. (2004). DETECTION OF SUBSURFACE CAVITIES BY THE ELECTROMAGNETIC METHOD (Case Study at Haditha Area). Alustath, 10(2), 79-89.
Mohammad S. Zaynal. "DETECTION OF SUBSURFACE CAVITIES BY THE ELECTROMAGNETIC METHOD (Case Study at Haditha Area)". Alustath, 10, 2, 2004, 79-89.
S. Zaynal, M. (2004). 'DETECTION OF SUBSURFACE CAVITIES BY THE ELECTROMAGNETIC METHOD (Case Study at Haditha Area)', Alustath, 10(2), pp. 79-89.
S. Zaynal, M. DETECTION OF SUBSURFACE CAVITIES BY THE ELECTROMAGNETIC METHOD (Case Study at Haditha Area). Alustath, 2004; 10(2): 79-89.

DETECTION OF SUBSURFACE CAVITIES BY THE ELECTROMAGNETIC METHOD (Case Study at Haditha Area)

Bulletin of the Iraq Natural History Museum
Article 1, Volume 10, Issue 2, June 2009, Pages 79-89
Author
Mohammad S. Zaynal
Abstract
ABSTRACT
Two EM techniques, terrain conductivity and VLF-Radiohm resistivity (using two different instruments of Geonics EM 34-3 and EMI6R respectively) have been applied to evaluate their ability in delineation and measuring the depth of shallow subsurface cavities near Haditha city.
Thirty one survey traverses were achieved to distinguish the subsurface cavities in the investigated area. Both EM techniques are found to be successfiul tools in study area.
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