Showing 201 - 220 results of 349 for search '"aquifer"', query time: 0.05s Refine Results
  1. 201

    Lion Algorithm-Optimized Long Short-Term Memory Network for Groundwater Level Forecasting in Udupi District, India by B. S. Supreetha, Narayan Shenoy, Prabhakar Nayak

    Published 2020-01-01
    “…Measurement of GWL from observation-wells is the principle source of information about the aquifer and is critical to its evaluation. Most part of the Udupi district of Karnataka State in India consists of geological formations: lateritic terrain and gneissic complex. …”
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  2. 202

    Spatial Distribution of Nitrogen on Grazed Karst Landscapes by Douglas G. Boyer, Ghiath A. Alloush

    Published 2001-01-01
    “…Karst pastures are characterized by under drainage and funneling of water and contaminants to the shallow aquifer. Control of NO3-N leaching from karst pasture may depend on management strategies that change livestock grazing behavior in sinkholes and reduce the opportunity for water and contaminants to quickly reach sinkhole drains.…”
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  3. 203

    Spatial Variation of Reservoir Properties in Onshore Dove Field of the Niger Delta Region, Nigeria by P.T. John, G. Emujakporue, D.C. Okujagu

    Published 2020-01-01
    “…Water saturation range 26% to 37%, with regions above 35% are seen as Aquifer. Shale volume range is 10% to 40%, indicating a good and efficient zone of shaly sand dispersal. …”
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  4. 204

    Groundwater Single- and Multiobjective Optimization Using Harris Hawks and Multiobjective Billiards-Inspired Algorithm by AbdolGhafour Gerey, Amirpouya Sarraf, Hassan Ahmadi

    Published 2021-01-01
    “…As the study results, when the maximum and minimum aquifer drawdown was specified in the range of −40 to +40 cm/year, the Pareto parameter sets produced satisfactory results. …”
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  5. 205

    Experimental Investigation of Water-Inrush Risk Based on Permeability Evolution in Coal Mine and Backfill Prevention Discussion by Meng Li, Jixiong Zhang, Weiqing Zhang, Ailing Li, Wei Yin

    Published 2019-01-01
    “…Borehole sampling was conducted in a bedrock layer beneath an aquifer, and the permeability evolution of sandstone specimens under different confining pressures was tested in rock mechanics testing laboratories. …”
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  6. 206

    Research on Impacts of Climate Change and Human Activitieson Runoff in the Yiluo River Based on SWAT Model by LIU Lyuliu, WANG Xiujie, ZHANG Pengfei

    Published 2020-01-01
    “…The results indicate that: CSC runoff curve number (CN2), available water capacity of soil layer (SOL_AWC),deep aquifer percclation fraction(RCHRG_DP),baseflow alpha factor for bank storage(ALPHA_BNK) are sensitive parameters in the SWAT runoff simulation of Yiluo River. …”
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  7. 207

    Complex Resistivity Dispersion Characteristics of Water-Bearing Coal Based on Double Cole-Cole Model by Jian Li, Dongji Lei, Chenguang Zhao, Hui Meng

    Published 2019-01-01
    “…In recent years, complex resistivity (CR) has been widely used in oil logging and achieved good results, such as permeability evaluation, water saturation (Sw) prediction, and aquifer identification. Therefore, the method has the potential to evaluate coal seam fracture. …”
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  8. 208

    Integrated Approach to Investigate the Effect of Leachate on Groundwater around the Ikot Ekpene Dumpsite in Akwa Ibom State, Southeastern Nigeria by N. J. George, A. I. Ubom, J. I. Ibanga

    Published 2014-01-01
    “…In general, the effect of leachate is more dominant in the immediate groundwater pathway near the dumpsite than aquifer repositories away from it. The crossplots of the water resistivity and bulk resistivity show exponential increase for the different layers.…”
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  9. 209

    SPATIAL ANALYSIS OF ENVIRONMENTAL AND ANTHROPOGENIC INFLUENCES ON NITRATE CONCENTRATION IN SHALLOW GROUNDWATERS. CASE STUDY: RUSCOVA VALLEY, MARAMUREŞ MOUNTAINS (ROMANIA) by GHEORGHE KUCSICSA, VASILE POPOVICI

    Published 2016-07-01
    “…As a result, the assessment of the shallow aquifer of Ruscova Valley (Maramureş Mountains) is an important research direction since the nitrates are considered some of the major causes of deteriorating water quality, with influences on the human health. …”
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  10. 210

    The Stability Evaluation of Shaft during Drastic Drawdown Dewatering of Alluvium by Mingze Du, Yanchun Xu, Heng Duan, Wen Li

    Published 2019-01-01
    “…The hydrophobicity of the aquifer at the bottom of the porous alluvium will affect the stability of the shaft. …”
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  11. 211

    Studying the factors affecting the karst zonation and development of Khorin Mountain using Fuzzy Logic. by Amir Saffari, Tayebeh Kiani, Sasan Zangenehtabar

    Published 2019-12-01
    “…Karstic zones play an important role in feeding the karstic aquifers؛ therefore, recognizing the factors affecting the karst mutation and its zonation in the field of studies concerned with karst water resources is of great concern. …”
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  12. 212

    Deformation Monitoring and Stability Analysis of Shaft Lining in Weakly Cemented Stratum by Xianzhou Lyu, Weiming Wang

    Published 2018-01-01
    “…And the shaft lining located in the border between the floor aquifer and the bedrock generates the most severe deformation, which is about 89.4% of the deformation limit. …”
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  13. 213

    Impact of Hydrogeological Characteristics on the Development of Underground Space Resources in Valley Cities by Lizhong Zhang, Linde Liang, Jixiang Zhu, Tao Gan, Yamin Yang, Dun Wang

    Published 2024-01-01
    “…Firstly, the hydrogeological characteristics of the aquifer in the study area are analyzed to determine the recharge and discharge characteristics. …”
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  14. 214

    GEOPHYSICAL INVESTIGATION OF GROUNDWATER POTENTIALS USING RESISTIVITY METHOD: A CASE STUDY OF ABU PHASE II STUDENTS’ HOSTEL by FRANCIS JAMES OGBOZIGE, SADIQ MUHAMMAD SANI

    Published 2022-09-01
    “…It was recommended that among the four VES points (two in each hostel) identified to contain aquifers, priority should be given to the ones with larger thickness in each hostel. …”
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  15. 215

    Estimation of Critical Safety Thickness of the Base against Confined Water Inrush for a Rectangular Foundation Pit by Qin-xing Li, Hong-tao Wang, Yan-qing Men, Xiao Yu, Chi Liu, Hua-jun Zhang

    Published 2022-01-01
    “…Affected by confined aquifer, basal inrush accidents caused by excavation are common in foundation pits, and accurate estimation of the safety thickness of the base is a big concern of engineers. …”
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  16. 216

    Alimenter la ville de Lyon en eau : les galeries de captage antiques sous les collines de Fourvière et de la Croix-Rousse by Emmanuel Bernot

    Published 2023-12-01
    “…The Croix-Rousse hill, which rises to an altitude of about 250 m NGF, has particularly abundant aquifer resources spread over a height of about 60 m. …”
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  17. 217

    Permeability of Sand-Based Cemented Backfill under Different Stress Conditions: Effects of Confining and Axial Pressures by Cunli Zhu, Jixiong Zhang, Nan Zhou, Meng Li, Yaben Guo

    Published 2021-01-01
    “…Studying the permeability evolution of SBCB under varying stress states is crucial for protecting coal and water resources below the aquifer. This study is focused on the influence law of different stress states on the SBCB permeability exposed to groundwater, which was tested under different axial and confining pressures using a laboratory seepage meter, particle size analyzer, scanning electron microscope (SEM), and X-ray diffractometer (XRD). …”
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  18. 218

    Environmental Geophysical Study of the Groundwater Mineralization in a Plot of the Cotonou Littoral Zone (South Benin) by Yalo Nicaise, Descloitres Marc, Alassane Abdoukarim, Mama Daouda, Boukari Moussa

    Published 2012-01-01
    “…This environmental study aimed to prospect by the geophysical methods the space extension of the water table mineralization obtained by direct measurements of water conductivity in the well and the depth of the fresh water/salted water interface in the coastal aquifer. Electromagnetic measurements of conductivities made it possible to chart a gradient of mineralization in the northwest direction. …”
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  19. 219

    Converting from Seepage Irrigation to Plasticulture for Vegetable Production: A Case Study by Charles E. Barrett, Lincoln Zotarelli, Lucas G. Paranhos, Mark W. Warren

    Published 2021-02-01
    “…This system can require vast quantities of water to be pumped from the aquifer in low-rainfall years. Plasticulture, or the use of drip irrigation and plastic mulch, has been proposed as an alternative production method for cabbage production in Florida. …”
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  20. 220

    Impacts of Groundwater Recharge from Rubber Dams on the Hydrogeological Environment in Luoyang Basin, China by Shaogang Dong, Baiwei Liu, Huamin Liu, Shidong Wang, Lixin Wang

    Published 2014-01-01
    “…The distance of the contaminant to the surface of the aquifer became shorter due to the shallow depth of groundwater, resulting in the observed rise in pollutant concentrations more pronounced.…”
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