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| Paper Type | : | Research Paper |
| Title | : | Multi-Dimensional Inversion of Airborne Total Magnetic Intensity Data at the West-of-Edfu Region, Upper Egypt |
| Country | : | Egypt |
| Authors | : | Ahmad H. M. Habeeb || Karam. S. I. Farag || Ali M. S. Abdelaziz |
 |
: | 10.9790/0990-0501010113  |
Abstract: The acquired high-resolution airborne total magnetic intensity data over the West-of-Edfu region, within the southern Egyptian western desert, were consistently and extensively inverted in terms of two- and three-dimensional (2D/3D) magnetic susceptibility layered-earth models to accurately delineate the deep-seated basement structures and configuration. The starting models for all inversion trails were initially built-up using a-priori information gained from the progressive standard qualitative and semiqualitative interpretation results.........
Keywords:Two- and three-dimensional magnetic susceptibility layered-earth models, deep-sated basement structures, West-of-Edfu region, Upper Egypt.
[5]. Bhattacharyya, B.KK., 1965.Twwo-dimennsionall harmonic analysis as a tool for magneticm interppretation. Geophysics,30, 829–857.
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| Paper Type | : | Research Paper |
| Title | : | Geoelectrical Sounding for The Determination Of Groundwater Prospects In Awgu And Its Environs, Enugu State, Southeastern Nigeria |
| Country | : | Nigeria |
| Authors | : | OKEKE J. P || EZEH C. C || OKONKWO A. C |
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: | 10.9790/0990-0501011422 |
Abstract: Geoelectrical sounding to determine the groundwater prospect in Awgu and its environs has been carried out. The study area lies within longitudes 007025'E and 0070 35'E and latitudes 06002'N and 06017'N with an area extent of 513sqkm. The area is underlain by two lithostratigraphic units, Awgu Shale and Owelli Sandstone. A total of ninety five (95) Vertical Electrical Soundings (VES) was acquired employing the Schlumberger electrode array configuration, with a maximum electrode separation ranging from 700m to 800m. Data analysis was done using a computer program RESOUND to generate the layer apparent resistivity, thickness and depth. A maximum of eight (8) layer resistivity were generated in each sounding point with a depth range of 50m to 356m...........
Keywords: Geoelectric sounding, transverse resistance, Longitudinal Conductance, Groundwater Potential zones, Groundwater flow directions.
[1]. A. R. ZohdyApplication of surface geophysical (electrical methods to groundwater Investigations) techniques of water resources investigations of the United States Geological Survey. , (1976). 5-55.
[2]. A.C. Okonkwo , C. C. Ezeh , A.I, Opara., R.A.N. Nwatarali, M.S. Dimanyi, and E. Enang,
[3]. Using the Dar- Zarrouk Concept to Infer the Subsurface Lithological Extent of Agbani Sandstone, Enugu State,Nigeria. International Research Journal of Geology and Mining (IRJGM) (2276-6618) Vol. 4(1) (2014) pp. 29-36,
[4]. C. Aneke, Water Resources of the Awgu Shale group, Enugu state, southeastern Nigeria. Unpub1. Ph.D Thesis, University of Nigeria, Nsukka. (2007).
[5]. C. Ezeh, Hydrogeophysical studies for the Delineation of potential Groundwater zones In Enugu State, Nigeria. Int. Res. J. Geol. Min. (2012). 2(5):103- 112.
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| Paper Type | : | Research Paper |
| Title | : | Relations between Natural Phenomena and Solar Activity in the Oceanographic and Forest Fields |
| Country | : | Italy |
| Authors | : | Silvana Fais || Michele Puxeddu |
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: | 10.9790/0990-0501012324 |
Abstract: A great number of studies on the relationship between solar activity and various terrestrial phenomena, both in the climatic and geophysical fields, have been carried out over several decades. In the present work we analyse the shorter oscillations of the solar activity such as the ones recognized in the climatic and oceanographic oscillations, for which, as it is known, longer series of observations are unavailable. Specially we analyse both the sunspot series (Wolf relative number series) considered an index of solar activity and observed since 1700 and the series of the mean sea level variation of the longest ones available in the word and relative to three oceanographic stations in Poland (Swinoujscie)...........
Keywords: Solar activity, sunspot series, spectral analyses.
[1]. F. Mosetti. – On temporary fluctuations of some natural phenomena, Boll. Geof. Teor. Appl., VIII (29), 1966, 62-76.
[2]. F. Mosetti – Natural and geophysical fluctuations. The meaning and their detection, O.G.S. Silver Ann., Oss. Geof. Sper. Ed.,
Trieste, 1984, 11-15.
[3]. S. Fais, F. Mosetti – On periodicities in the sunspot series, Boll. Geof. Teor. Appl., XXXI (123-124), 1989, 315-320.
[4]. J.W. Cooley, J.W. Tukey– An algorithm for the machine calculation of complex Fourier series, Math. Computation, 19, 1965, 297-
301.
[5]. S.L. Marple – Digital spectral analysis with applications (Prentice-Hall, 1987).