IOSR-JAGG   Volume-7 ~ Issue-6 ~ Nov. – Dec. 2019

Abstract: Compressional wave velocity (Vp), Shear wave velocity (Vs), Seismic and Well-log data are requirements for estimation of density from density-Impedance relation. Gardner's and Lindseth's relations were localized and then altered to obtain the local fits constants: b, n, e and f for sand and shale lithologies. The seismic inversion analysis yields density-impedance equation whose constants are local fits for specific rock type. The key solutions from the local fit for sands and shales discriminated, indicate b and n from compressional wave and shear wave velocities for sand and another set for shale. Also, the constants e and f from compressional wave and shear wave velocities for sand and another set for shale. Relating Gardner with those fromLindseth approaches using well-log and seismic inversion analyses and also obtained the average, the final models are 𝜌.....

Keywords : Density, Velocity, Seismic Inversion, Model, Sandstones, Shale, Lithology and Well-Log Data and Seismic data.

Abstract: The size of the sediment varies from very fine sand to coarser silt. The frequency curves of the most samples are sharp peaked and narrow, indicating that the samples are well sorted to moderately well sorted, while one is moderately sorted. The average percentage of traction population is 2.90%, of saltation population is 71.24% and suspension population is 26.38%. The leptokurtic nature of the deposits in the study area suggests that the sediments have achieved good sorting in the high-energy condition of the estuary and/or delta. The plot of graphic kurtosis Vs inclusive graphic skewness indicates the deposition of the sediments in the river influenced environment.

Keywords : Sand, Silt, Saltation, Leptokurtic and River.

Abstract: The study aims to sedimentological and geomorphological studies of the recent sediments in seven wadis draining throughout Qena Governorate, Upper Egypt to recognize their textural and mineralogical composition, assess the flash flood risk zones, to define highly risk basins. Furthermore, suggestion some precaution measures to benefit from the vast quantities of floodwater in the development of the neighboring villages and towns.Grain size analysis data revealed that most of the analyzed sediments in the investigated wadis are poorly sorted and composed of gravely sand and sandy gravel. The sediments were transported by rolling mode and fall within the traction population (surface creep population) regime. The heavy mineral assemblage has revealed that the sediments of the....

Abstract: Theaim of the present work is to investigate the contribution of the Lansat 8 data in classifying and mapping the surface sediments in El-Marasha area, west of Qena, Upper Egypt.In this study, unsupervised and supervised classifications of the Landsat-8 were applied to map the various geological units and to reduce labeling ambiguity during classification processes. The results of classification were compared with a published geological map and tested in the field. The classification of the Landsat 8 image indicates better mapping efficiency and improved the geological boundaries.The mapped units' signatures show a significant correlation with the obtained classes in terms of theirreflectance characteristics.

Abstract: Volcanic reservoir is an essential part of China's hydrocarbon resources. The study of interwell connectivity is the foundation for studying the spatial distribution of reservoirs, evaluating developing reserves, and reasonable development scheme. However, because of multiple superposed volcanic rocks which were erupted at different stages, fractures, complex gas water relations, and highly heterogeneity, how to estimate interwell connectivity in early development stage accurately and effectivelyis the key to draw up development scheme and deploygas wells. This paper presented comprehensive analysis methods which combine the analysis of static and dynamic data, volcanic rock fine description......

Keywords: Volcannic gas, Interwell connectivity, dynamic analysis.

Abstract: Lack of water resources in arid/hyper-arid regions push the governments to search for non-convention water resources. In this article, the quality and suitability of irrigation drainage water were assessed to reuse in agricultural activities in southern Egypt. Thirty-five samples, collected from three agricultural drains, were analysed for estimating the major elements (Na, Ca, Mg,HCO3, SO4) along with physical parameters (EC and pH). The hydrochemical parameters such as SAR, RSC, and SSP were calculated to reveal the hydrochemical characteristics and suitability for irrigation. The results indicated that the irrigation drainage water belongs to bicarbonate-type water and the predominant hydrochemical facies are HCO3-Ca, HCO3-Na, and HCO3-Mg. In addition to, the hydrochemical investigation revealed that the predominant processes controlled the water quality is the rock weathering and/or evaporation. Based on comparing our finding with the FAO the irrigation drainage water can be reused for irrigation but are not suitable for fine texture soils and sensitive crops.

Keyword: Water Resources, Hydrochemistry, Agricultural Drainage Water, Egypt.

Abstract: In this study, we address the issue the vulnerability of groundwater to pollution at the aquifer of Oulad Ogbane (Northwest of Morocco). The study has been carried out following the TCR method (Method based on 3 parameters: The transit time (T); The degree of purification (C'p/Cp) and The recharge degree (R'/R) ; the weighting coefficients have been determined by sensibility tests, followed by multiple linear regression analysis performed on sample sources showing significant variations in the applied parameters. The studied aquifer is a vital natural source used for domestic agricultural purposes. The area around it is used primarily for farming, which is characterized by a significant use of chemical fertilizers, which represents, in addition to the discharge effluents, a permanent danger to the quality of groundwater. We have carried out a comparison of results against the results of similar studies done on other neighboring aquifers, which showed an urgent necessity to adapt the weighting coefficients, which change from one area to another, to the particularities of the studied area. Applying the TCR method has allowed for distinguishing high sensibility areas that require special attention in terms of preservation and management.

Keywords: Groundwater; Vulnerability; Pollution; TCR; Sensibility tests; Oulad Ogbane (Morocco).

Abstract: The surface water and groundwater hydrochemistry at 45 locations in Qus City, where farming activities are considerably intensive, was investigated to evaluate their irrigation suitability. The irrigation suitability of the collected water samples was evaluated based on the water salinity (EC), effective salinity (ES), sodium percentage (%Na), sodium adsorption ratio (SAR), residual sodium carbonate (RSC), soluble sodium percentage (SSP) and magnesium adsorption ratio (MAR). The results showed that most of the water samples classified under the first class (ES < 3 epm) of water are suitable for irrigation. Based on the SAR classification, it was found that almost all the water samples in the study area are classified under the S1 water class; it is excellent and suitable for irrigation with no harmful effects from sodium. Furthermore, the US salinity laboratory (USSL) classification revealed that most of the water samples fall within the C2–S1 (medium salinity with low sodium hazard) and...

Keywords: hydrochemistry, irrigation, groundwater, salinity, sodium adsorption ratio, residual sodium carbonate.

Abstract: This paper describes an Android based National Park Beast early warning solution APP, which uses Android Studio as the development platform, combined with SuperMap Imobile for Android's powerful class library support. This class library can efficiently complete software development, meets the vast majority of mobile phone adaptation, improves the development of a wide range of applicability. The system mainly completes the basic functions of early warning, distress and emergency rescue, and provides additional services such as zoo navigation, service facilities guidance, etc. . It uses the C/S Architecture to analyze the user's position and the user's current state through the integrated devices including GPS receiver, gyroscope, accelerometer and so on. Then the data result is transmitted to the background through the shared wireless signal in the park in real time. The B/S architecture.......

Key words: Android Studio; safety early warning system; visitors.

Abstract: The study was conducted on the Quaternary Aquifer in the Nile Valley of Qena area in Egypt. Sixty−six groundwater samples were collected from the study area along with two surface water samples. The hydrochemical analyses were carried out for the collected samples comprising the major ions and heavy metals. The application of the software package (PHREEQC for windows version 2.8.00) is the main target in this study. PHREEQC was used to perform a variety of aqueous geochemical calculations including the saturation indices (SI) of the major mineral phases, testing of water corrosivity and to apply water mixing models. The Saturation Indices show a supersaturated with respect to the main carbonate minerals (calcite, aragonite and dolomite) nearly in all the samples. Calcite, aragonite, and dolomite represent the major sediments that built up the geology of the study area (the Limestone Plateau). The investigated groundwater samples varies from moderately corrosive (1.5%), mild corrosion (7.57%), faint coating (22.72%), and mild scale forming (68.18%). The mixing models were conducted between water from different sources as a proposed solution for lowering the chemical content especially nitrate levels in the highly contaminated wells to acceptable limits. As indicated from the results of mixing, mixing can be used as an effective water treatment method.

Keywords: Quaternary Aquifer, hydrochemical, corrosivity, mixing models, contaminated wells.

Abstract: Groundwater exploration using vertical Electrical Sounding (VES) methodwhich is the aim of this investigation was carried out in Musawa and Environs of Katsina State, North-western Nigeria, in order to study the aquifer characteristic with a view of determining the depth and thickness of sediments layers, and recommend suitable depth with groundwater potentials and abundance. Ten VES points were conducted in musawa and the Schlumberger electrodes configuration was used for the field data acquisition. The field data obtained was analyzed using IP2WIN computer software which gives an automatic interpretation of the apparent resistivity. Interpretation of VES stations data results reviled the subsurface geologic sequence (litho-logic layers) and the expected layers of aquifer. The maximum depth of study range is between 60m to 90m and the depth of water table is prospected between 55m and 60m.Ten (VES) points were subjected to the geophysical method of investigation for this research, out of which 7 VES points have shown groundwater potentials which includes VES 1,3,4,5,6,8,9 at the depth of 55-60m while VES 2, 7 and 10 have shown inadequate groundwater potentials.

Keywords: Groundwater, Resistivity, IP2WIN, Lithology,and Basement.