The dar zarrouk parameters evaluated showed that the study area has good groundwater potentials with values of reflection coefficient ranging from 0. The aquifer potential zones identified by modeled resistivity, dar zarrouk parameters, pumped aquifer parameters, and physicochemical parameters reveal that sand and gravel sand with high values of transmissivity and hydraulic conductivity are highly promising water bearing layers in. Prediction of permeability anisotropy using darzarrouk parameters of deep resistivity logs. For best results viewing and printing pdf documents, it is recommended that you download the documents to your computer and open them with adobe reader. Aquifer transmissivity, dar zarrouk parameters and the direction of flow of suspended particulate matter in boreholes in mouau and the kwa ibo river umudikenigeria udoinyang, ifiok efiong 1 and igboekwe, m.
In order to produce a groundwater resources potential prediction model of higher reliability and precision in a given study area, the effects of all the important parameters that can contribute to the groundwater occurrence in the area must be integrated. The auxiliary point method is an empirical graphical method by which a multilayer problem is progressively reduced to the simple twolayer case. Pdf significance of darzarrouk parameters in the exploration of. The study will provide a better understanding of the depth of the aquifer thickness and characteristics of aquifer from dar zarrouk parameters. Natural vulnerability estimate of groundwater resources in. The exploitation of dar zarrouk parameters to differentiate between fresh and saline groundwater aquifers of sinjar plain area. Analisa resistivitas batuan dengan menggunakan parameter. Geophysical investigation was carried out around the university health sciences of the osun state university, osogbo using the schlumberger technique of the electrical resistivity method. Abstract the combination of layer resistivity and thickness in the so. Estimation of aquifer hydraulic characteristics from. Determination of aquifer parameters using geoelectrical.
Parameter dar zarrouk digunakan untuk menghitung resistivitas transversal maupun longitudinal untuk kemudian didapatkan nilai resistivitas media dan koefisien anisotropi lapangan. Determination of dar zarrouk parameters for prediction of aquifer protective capacity. The dar zarrouk parameters dzp defined by the longitudinal unit conductance in. The subsurface resistivity layer parameters of 47 vertical geoelectrical soundings are analyzed for a rectangle shaped area of 70 km2 from the gulf of aqaba coast. The direction of groundwater movement can be understood in the fact that groundwater level is typically highest to the discharge areas where. Natural vulnerability estimate of groundwater resources in the coastal area of ibaka community, using dar zarrouk geoelectrical parameters. Other geoelectric parameters can be derived from its resistivity and thickness zohdy et al1974. There are several works that has shown that the dar zarrouk parameter of transmissivity and conductivity and the geologic information of an area can be used to compute the distribution of water potential surfaces. It is the aim of this paper to introduce the method and to establish its mathematical relationship to the socalled dar zarrouk parameters. Udoinyang and igboekwe greener scholarly publications. Also, the competency of the strata on which the foundation is to be placed was assessed using the dar zarrouk parameters. Four 4 vertical electric sounding ves data were acquired. Onuoha and mbazi 1988 used the concept of dar zarrouk parameters to estimate the transmissivity of ajali sandstone aquifers in southeastern nigeria.
Citeseerx document details isaac councill, lee giles, pradeep teregowda. Estimation of aquifer transmissivity using dar zarrouk. Shakir department of geology, college of science,university of baghdad,bagdad,iraq. Geophysical investigation for groundwater potential and aquifer protective capacity around osun state university uniosun college of health sciences. The subsurface resistivity layer parameters of 47 vertical geoelectrical soundings are analyzed for a rectangle shaped area of 70 km2 from the. Vlfem profiles and schlumberger depth soundings were carried out in vandeikya area of central benue trough of nigeria. Geophysical investigation for groundwater potential and. Automatic interpretation of schlumberger sounding curves, using modified dar zarrouk functions by adel a. Hydrogeophysical parameters estimation for aquifer. An attempt has also been made to estimate aquifer transmissivity from resistivity data. Contribution of geophysical properties in estimating.
Read determination of aquifer parameters using geoelectrical sounding and pumping test data in khanewal district, pakistan, open geosciences on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The palace was built in the middle of the 19th century. Dar zarrouk parameters have since been used in the estimationstudy of the hydraulic properties of aquifers. Henriet direct application of dar zarouk parameter in groundwater survey. The aim of this paper is to establish an analytical relationship between the aquifer parameters for porous media and the socalled darzarrouk parameters so. The resistivity, thickness, depth, curve type, lithology, and layers of the studied area are shown in table i, and were used as model parameters. The exploitation of darzarrouk parameters to differentiate between. Significance of dar zarrouk parameters in the exploration of quality affected coastal aquifer systems.
Pdf prediction of permeability anisotropy using dar. Evaluation of dar zarrouk parameters of parts of federal university. Geophysical and hydrogeological investigation to study groundwater occurrences in the taref formation, south mut area dakhla oasis egypt. Determination of darzarrouk parameters for prediction of. Exploration geophysics calculator programs for use on. The aquifer parameters estimated from the geoelectrical method for 48 ves points using dar zarrouk parameter transverse unit resistance are in agreement with results obtained from pump test. The interpreted geoelectric and the computed dar zarrouk parameters have been established as the major driver of groundwater discharge in an area for apr 29, 2016 vertical electrical sounding, dar zarrouk parameters, nkporo study is to use dar zarrouk parameters. Use of dar zarrouk curves in the interpretation of vertical electrical sounding data by adel a. Dar zarrouk parameters, pumped aquifer parameters, and physicochemical parameters reveal that sand and gravel. Geoelectric resistivity sounding for delineating salt. The results of aquifer characteristics using dar zarrouk parameter gave hydraulic conductivity k values between 1.
Estimation of aquifer transmissivity from darzarrouk parameters in. Estimation of aquifer transmssivity using dar zarrouk parameters derived from resistivity soundings on the floodplain of river dadin kowa, gombe state. The aquifer parameters of transmissivity and hydraulic conductivity were calculated from the pump test data using aquifer test pro software for seven wells. It is also aim at computing the protective capacity rating of the over burden in the area of study.
The dar zarrouk parameters for aquifer characteristics also shows an average longitudinal conductance as l1 0. Ezeh 2011 applied the concept of dar zarrouk parameters. The estimation and significance of dar zarrouk parameters in the. If you would like more information about how to print, save. Zohdy new techniques in d i r e ct cur r ent resistivity exploration geological survey bulletin e formulas defining two types of modified dar arrouk curves are used to invert schlumberger sounding curves, using an. Aquifer transmissivity dar zarrouk parameters and groundwater. Pdf documents opened from your browser may not display or print as intended. Sri and singhal 1985 derived the relationship between transverse resistance and aquifer transmissivity by multiplying the aquifer water resistivity by the ratio of actual average aquifer resistivity and aquifer water resistivity at. Resistivity method applied to aquifer protection study in. The vertical geoelectrical section and spatial distribution of secondary parameters. Evaluation of aquifer vulnerability and the protective. The dar zarrouk parameters evaluated in this work include longitudinal conductance s, transverse resistance t. Dar zarrouk parameters were used to differentiate the areas of confined conditions from that of. Using the dar zarrouk concept to infer the subsurface.
Department of sciences, maritime academy of nigeria, oron, nigeria. Estimation of aquifer transmssivity using dar zarrouk parameters. To download the pdf, click the download link below. The processed and interpreted data were used to determine aquifer resistivity, aquifer thickness and dar zarrouk parameters longitudinal conductance s l and transverse resistance t. Dar zarrouk parameter as a tool for evaluation of well. A geoelectric layer is described by two fundamental parameters. The dar zarrouk variable is the transversal unit resistance, the depth integral of the transverse resistivity perpendicular to the strata. Since dar zarrouk parameters are also bulk parameters. The geoelectric parameters were used to generate the dar zarrouk parameters from which the aquifer protective capacity was subsequently evaluated. Estimation of aquifer hydraulic characteristics from electrical sounding data. Use of dar zarrouk curves in the lnterjfetation of. The subsurface geology of the investigated area was mapped using a combined 2d gpr and ves techniques. Geoelectric investigation of the groundwater potential.
Unlimited viewing of the articlechapter pdf and any associated supplements and figures. Prediction of groundwater resources potential is a spatial decision problem that involves a set of multiple evaluation parameters. Application of dempstershafer theory of evidence model to. Geoelectric evaluation of aquifer protective capacity and. A case of agbani sandstone aquifer, enugu state, southeastern nigeria. The area is underlain by both sedimentary and basement complex rocks. Evaluation of aquifer hydraulic characteristics using.
Pdf the dar zarrouk parameters of the area were studied to determine aquifer parameters of the study area. The estimation and significance of darzarrouk parameters. Results groundwater flow the parameters for the determination of groundwater flow direction are presented in table1. Geophysical and hydrogeological investigation to study. Automatic interpretation of schlumberger sounding curves. Aquifer characterization based on geoelectric survey data. This advanced technique uses the calculation of dar. Pdf delineation of aquifers using dar zarrouk parameters. Darzarrouk geoelectrical parameters, geoelectrical.
Groundwater potential and aquifer characteristics of the area were analized using dar zarrouk parameters. The combination of layer resistivity and thickness in the so. Table ii shows the dar zarrouk parameters and table iii the firstorder geoelectric parameters and the protective capacity rating of the aquifer. Dar zarrouk parameters to estimate the transmissivity. The application of a gis based dempster shafer data driven model named as evidential belief function ebf methodology to groundwater potential con. Pdf determination of dar zarrouk parameters for prediction of. Relations between aquifer electrical and hydraulic properties. The aim of the study was to evaluate the groundwater potential and to access how protected the aquifer in the area could be to surface pollutants. The estimation and significance of darzarrouk parameters in the. Zohdy new techniques in directcurrent resistivity exploration geological survey bulletin d dar zarrouk curves are used to define the limits of. Z parameters, namely longitudinal unit conductance, transverse unit resistance, and longitudinal resistivity has been employed by using 50 vertical electrical sounding points to assess the groundwater and delineate the fresh. Evaluation of dar zarrouk parameters of parts of federal. A case study in the northern western desert of egypt.
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