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Aquifer determination in hard rock environment by olayinka
Description : Full text - international journal of applied science and technologythis study was carried out to determine the geoelectr.URL: http://okdgroup.in/stone-crusher/5224.php
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Full Text - International Journal of Applied Science and Technology
This study was carried out to determine the geoelectric response of water ... prevalent in present day environment are petroleum products, synthetic agricultural chemicals, heavy ... In fissured rocks, the spreading can be more complex, hence the need for ... This has led to heavy contamination of groundwater in the areas.
Fulltext HTML - Science Alert
Apr 2, 2015 ... However, groundwater in these rocks are both isolated and ... the unpredictability of the nature of basement aquifers (Olayinka, 1992). ... important problem facing the people of Erunmu and its environment. ... Progress rates of 5 VES per day were achieved because of the thick vegetation and hard terrain.
JJEES12=014.doc_JJES m(3)Final.pdf - The Jordan Journal of ...
Both sulphate reduction and high heavy metal concentration ... 2013 Jordan Journal of Earth and Environmental Sciences. All rights ... The primary objective of this work is to determine aquifer ... quality of the groundwater with a view to determining the potability. ..... underlying the area (Olayinka and Olayiwola, 2001;. Tijani...
groundwater recharge using baseflow recession analysis in ...
Basin (with 137.4 mm), which is in a similar terrain but in a rural environment of Southwestern Nigeria, ... Determination of the available groundwater ... elongated ridges striking NW-SE (Olayinka et al., ..... recharge in a hard rock aquifer: A.
Hydro-geophysical evaluation of groundwater potential in hard rock ...
Maps of the aquifer resistivity, aquifer thickness, over- burden thickness ... typical hard rock areas, the geological sequence normally encountered is ... Complex environment is usually contained ..... cording to Olayinka and Olorunfemi,[41] the re- sistivity values ... in determination of zones with high groundwa- ter potential.
Evaluation of Groundwater Potential of Baikin Ondo State Nigeria ...
Ondo State, Nigeria that is known to have acute groundwater supply shortage. ... environment. [9] adopted the ... basement complex hard rocks. The static water level ..... [15] Olayinka, A. I. and Olorunfemi, M. O. Determination of geoelectrical...
Electrical Resistivity Anisotropy in Fracture Delineation and ...
Nov 2, 2013 ... rocks has become important in increasing the accuracy of ... (Wright, 1992; Olayinka and Olorunfemi, 1992; ... aquifers are often limited in extent vertically and ..... “Determining Subsurface Characteristics from ... “Behavior of Fractures in Hard Rocks-a ... research interests in environmental geophysics.
Groundwater for emergency situations - unesdoc - Unesco
to elaborate effective methodologies for determining groundwater resources safe against extreme .... projects that are being submitted to the Global Environment Facility for co-funding. In ...... Griffiths, D. H., Turnbull, J. and Olayinka, A.I. 1990. ... Lineaments as Groundwater Exploration Guides in Hard-Rock Terranes of Arid.
Geophysical Characterization of Basement Rocks and Groundwater ...
Mar 19, 2013 ... Weathering is not a uniform phenomenon in any environment and results in ... The conceptual structure of hard rocks is that of a fresh basement overlain by ... and auxiliary curves to determine the layer resistivity values and thicknesses. ... of basement rocks (Olayinka, 1990; Olayinka and Sogbetun, 2002).
Delineation of the Aquifer in the Curin Basin, South ... - Bentham Open
Dec 15, 2011 ... recent studies include: determination of zones with high ... in hard rock [14 -16], estimation of aquifer specific yield ..... Emmanuel OJ, Olayinka OO, Oladotun OF. ... hard rock environments: a case study from Jangaon sub-.
Groundwater quality sustainability
environmental conditions in Taipei basin, Taiwan • Jung-Wei Chen, ... 298 The impact of recent urbanization on a hard rock aquifer in Malaysia • Norsya ina ... 332 Determination of water sources for underground structures looding in Mar Del...
Download this PDF file - African Journals Online (AJOL)
(e.g., Olayinka and Barker, 1990; Jones, 1985). An aquifer is a ... groundwater exploration because rock properties that are crucial to .... conductivity and yield of the aquifer unit are also determined. ..... Journal of Applied Science and Environmental Management. ... Behaviour of fractures in hard rocks – a study by surface.
Download this PDF file - ExcelingTech
environmental degradation, changing agricultural sectors, etc., are some of .... (e.g. metal drums) may be mapped using ... of groundwater with a view to determine the effect of the refuse .... fractured bedrock and fresh bedrock (Olayinka and.
View PDF - Maxwell Science
May 20, 2014 ... Research Journal of Environmental and Earth Sciences 6(5): ... to the water table of groundwater aquifer. ... purpose of electrical surveys is to determine the ... The resistivity of a soil or rock is ..... pollutants including pathogens and heavy metals .... Aizebeokhai, A.P., A.I. Olayinka and V.S. Singh, 2010.
Vertical electrical sounding (VES) - Pelagia Research Library
in order to study the subsurface geologic layer with a view of determining the ... Keywords: Vertical electrical sounding; groundwater; geoelectric section; aquifer; resistivity. ... The electrical resistivity of rock is a property which depends on lithology and fluid content. ... environment in which they occur. .... Hard rock(Granite).
Groundwater potential and aquifer protective capacity of overburden ...
environmental susceptibility. This is particularly ... for groundwater ex- ploration is popular in the basement complex rocks of ... Palacky, 1991; Olayinka and Olorunfemi, 1992; Olorufemi et al., 1993 ... to determine the geoelectric parameters (resistivities and thicknesses) of ...... Groundwater Exploration in Hard rock terrain...
Modelling the Subsurface Geology and Groundwater Occurrence of ...
Aug 19, 2013 ... This study is focused on determining the nature, extend and spatial ... data alone (Hubbard & Rubin, 1998; Olayinka & Barker, 1990; ... vegetation that is closely related to the underlying rock type and environmental changes that occurred. ..... Water resources in hard rock aquifers in arid and semi-arid areas.
PDF - Current Science
Aug 25, 2013 ... euhedral and framboidal pyrite in base-metal sulphide ores. Min- eral. Mag., 1979 ... resistivity imaging for better understanding of aquifer geometry and its .... The study also aimed at determining the soil salinity of the site ..... Amidu, S. A. and Olayinka, A. I., Environmental assessment of sewage disposal...
Download PDF - Asian Journal Of Science And Technologies
Oct 4, 2013 ... Institute of Environmental Studies, Kurukshetra University, Kurukshetra 136119, Haryana, India. ARTICLE INFO ... serious damage to the groundwater resources (Olayinka, 2004; ... mill, distillery, cement, metal industries, ply board etc. All the ... study are to determine the groundwater quality near industrial.
Groundwater Prospecting and Exploration in a Low Potential Hard ...
Journal of Environment and Earth Science ... Hard Rock Aquifer: Case Study from Ogbomoso North, South- western ... 1988; Amadi and Nurudeen, 1990; Olayinka, 1990; Goldman et al, 1994, Olorunfemi et al, 2000). ... profiling which enables the determination of the qualitative picture of the subsurface conductivity structure.
Geophysical evaluation of rock type impact on aquifer ...
May 27, 2011 ... International Journal of Water Resources and Environmental Engineering Vol. 3(4), pp. 77-86, May ... In hard rock terrain, aquifers are fractured...
Exploitation of High-Yields in Hard-Rock Aquifers ... - Ngwa.org
approach to hard-rock aquifers using a conceptual model of the aquifer structure and of the functioning of the main ... 6Department of Environment, Conseil Général de la Lozére, Place ... Olayinka 1992) that can be applied to field prospecting sites of a ..... linked to its mode of determination (particularly in regard to wood-.
Electrical Resistivity Methods for Borehole Siting in Hardrock Region ...
Groundwater. 2007, pp 26-60. Electrical Resistivity Methods for Borehole Siting in Hardrock Region. Ron D. Barker … show all 1 hide. Download Book (PDF...
Applied Geophysics for Groundwater Studies - University of St ...
“Geotechnical and Environmental Geophysics” published by the Society of Exploration .... objectives and known site conditions to determine the likely success of each method. .... in particular possible groundwater reservoirs in hard-rock (igneous and .... of the aquifers as a basis for guiding the drilling programme. Olayinka.
JOEL EMMANUEL SUNDAY.pdf - Covenant University
Deaconess Joel Otimayin for their determination to see that things work accordingly .... prospecting and mining as well as in environmental and engineering applications ... locating groundwater in fissured rock, mapping of plumes, mapping of .... soils and in unconsolidated sediments or fracture and fault planes in hard rock...
evaluation of aquifer protective capacity of ground water resources ...
Unfortunately, the conventional methods for the determination of hydraulic parameters such ... Groundwater exploration within the basement complex rocks of Africa is usually ... viz-a-viz its susceptibility to environmental pollution. ... complex terrains (Barongo and Palacky, 1991; Olayinka and Olorunfemi, 1992; Olorunfemi.
Download - Society of Education
258 x 10-5) could be attributed to the clay content in the aquifers which affect the ... The low range in value of the layer determines to a significant extent the yield of ... rocks can be greatly accomplished by the use of suitable techniques [12]. ..... Role of Electrical Resistivity Method for Groundwater Exploration in Hard. Rock...
1 - SciELO Colombia
The existence of morocco sedimentary phosphate rock has been known since ... mining, as well as in environmental and engineering applications [Griffiths & al. ... 1998; Olayinka, 1999; Olayinka and Yaramanci, 1999; Amidu and Olayinka, ..... Contribution of Geophysics for the Determination of Aquifers with a Case Study.
Geoelectromagnetic Exploration For Natural Resources: Models ...
to subsurface targets to be determined (a vital piece of information for optimised ... (e.g., Goebuchi et al., 1988; Halvorsen et al., 1988; Griffiths et al., 1990; Olayinka .... and fractured crystalline rocks commonly form aquifers or reservoirs (saturated ... sources in sedimentary environments (Freeze and Cherry, 1979). The main...
Full Text - The International Journal of Science & Technology
Apr 4, 2015 ... groundwater in hard rock terrain is a very challenging and difficult task when ... environment, the groundwater potential depends mainly on the thickness of ... sources determine how much water one can get out of the hard rock. ..... characterised by the dominance of clay/clayey sand (Olayinka et al., 2004).
Assessment of seawater mixing in a coastal aquifer by high ...
Jun 1, 2011 ... used to determine the effect of seawater mixing with groundwater. Keywords: ... sites in a coastal environment was assessed using ..... indicated the hard rock zone. .... Griffiths, D. H.; Turnbull, J.; Olayinka, A. I.; (1990). Two-.
Download Full Article - ijesi
The environmental and health hazards associated with open dumping of ... anisotropic behavior with azimuth and determination of the fracture strikes ... In hard rock areas, groundwater is found in the cracks and fractures of the local rock. According to. Olayinka and Barker (1990), such a zone is known to be favourable to...
Full Text in PDF - Ozean Publications
environment is usually contained in the weathered and/or fractured ... The basement aquifers are often limited in extent both laterally and vertically ... essentially from the weathered rocks (Bala and Onugba, 2001; Olayinka and Olayiwola, 2001). ...... Satpathy, B. N. and Kanugo, D. N., 1976, Water exploration in hard terrain.
Geo.Acta vol 2(2)2004 02 - Geologica Acta
As groundwater becomes increasingly important for living and environment, techniques ..... hard rock, but not for glacial till. ... tures with sharp resistivity contrasts (Olayinka and Yara- ... The dielectric permittivity of the rock can be determined.