AN INTEGRATED APPROACH TO MAPPING THECONCENTRATION AND PATHWAY OF LEACHATE PLUMESBENEATH A DUMP SITE IN SOUTH-WESTERN NIGERIA

  • Type: Project
  • Department: Geophysics
  • Project ID: GPH0001
  • Access Fee: ₦5,000 ($14)
  • Pages: 63 Pages
  • Format: Microsoft Word
  • Views: 826
  • Report This work

For more Info, call us on
+234 8130 686 500
or
+234 8093 423 853
Abstract—An integrated approach involving Electrical Resistivity Tomography (ERT), Vertical Electrical Sounding (VES), and Very Low FrequencyElectromagnetic (VLF-EM) methods has been used to map the concentration and pathway of leachates plumes beneath Laka dump site in OgbomosoSouthwestern Nigeria. In-situ analysis, specifically, Electrical Conductivity (EC) and Total Dissolved Solids (TDS) were also carried out on water samplescollected from hand dug wells, bore holes and stream around the area. The objectives of the study were to describe the  physical/hydrogeological condi-tions  in relation  to  the  extent  of  the  zone  of  contaminated  groundwater  in  the aquifer.The subsurface ERT image obtained on the dump site indi-cated that the leachate plumes were probably near-surface at the western end and eastward at depth between 1.3m and 4.0m at horizontal distancebetween 40m and 44m. This is as corroborated by two high conductivity peaks on the conductivity map obtained from the VLF-EM measurements.Whereas, low resistivity values observed on the ERT image obtained at the control site were more gradational and not associated with the leachateplumes but rather indicate clayey material. The apparent resistivity curves obtained from the interpretation of VES data revealed 4-layer HA-type earthmodels for dump and control site comprising top soil, clayey intermediate conductive layer, clayey sand saprolite zone and fresh bedrock. The results ofin-situ measurements indicated the electrical conductivity ranged from 0.52 mS/m to 0.94 mS/m for water samples from borehole; 0.90 mS/m to 4.67mS/m for water samples from hand dug wells and highest in the surface water along the dump site with a value of 5.06 mS/m. The total dissolved solidranged from 1240 ppm to 3350 ppm for water samples from hand dug wells; 980 ppm to 1380 ppm for water samples from bore holes and highest in thesurface water along the dump site with a value of 4320 ppm. Thus noninvasive geophysical methods such as ERT, VES and VLF provide quick, efficient,and cost-effective methods for detecting, monitoring, and characterizing leachate migration patterns in dump sites and to a larger scale, the land fill sites.The identified aquifer was sandy clay which is overlain by clayey soil that prevents or inhibits downward migration of the contaminant plumes to deepgroundwater. Though no priori information is currently available about spatial migration of the leachate, the results obtained could provide a basis forestimating future rates of movement by systematically repeating the survey at fixed time intervals.
AN INTEGRATED APPROACH TO MAPPING THECONCENTRATION AND PATHWAY OF LEACHATE PLUMESBENEATH A DUMP SITE IN SOUTH-WESTERN NIGERIA
For more Info, call us on
+234 8130 686 500
or
+234 8093 423 853

Share This
  • Type: Project
  • Department: Geophysics
  • Project ID: GPH0001
  • Access Fee: ₦5,000 ($14)
  • Pages: 63 Pages
  • Format: Microsoft Word
  • Views: 826
Payment Instruction
Bank payment for Nigerians, Make a payment of ₦ 5,000 to

Bank GTBANK
gtbank
Account Name Obiaks Business Venture
Account Number 0211074565

Bitcoin: Make a payment of 0.0005 to

Bitcoin(Btc)

btc wallet
Copy to clipboard Copy text

500
Leave a comment...

    Details

    Type Project
    Department Geophysics
    Project ID GPH0001
    Fee ₦5,000 ($14)
    No of Pages 63 Pages
    Format Microsoft Word

    Related Works

    Abstract—An integrated approach involving Electrical Resistivity Tomography (ERT), Vertical Electrical Sounding (VES), and Very Low FrequencyElectromagnetic (VLF-EM) methods has been used to map the concentration and pathway of leachates plumes beneath Laka dump site in OgbomosoSouthwestern Nigeria. In-situ analysis, specifically, Electrical... Continue Reading
    Abstract—An integrated approach involving Electrical Resistivity Tomography (ERT), Vertical Electrical Sounding (VES), and Very Low FrequencyElectromagnetic (VLF-EM) methods has been used to map the concentration and pathway of leachates plumes beneath Laka dump site in OgbomosoSouthwestern Nigeria. In-situ analysis, specifically, Electrical... Continue Reading
    ABSTRACT    The integrated study involving electrical resistivity method and physicochemical analysis of water samples was carried out to investigate the effect of dumpsite leachate on groundwater repositories around the dumpsites in Ikot Ekpene, Uyo and Eket Local Government Areas of Akwa Ibom State. A total of thirty-three (33) vertical... Continue Reading
    . ABSTRACT This research work attempt to examine the Boko Haram insurgency as a fight against western culture: an analysis of people perception in the south-south region of Nigeria. The work has five chapters, each chapter... Continue Reading
    TABLE OF CONTENT Title Page i Certification ii Dedication iii Acknowledgements iv Table of contents vi Abstract vii Chapter One: Introduction 1.1 Background of the study 1 1.2 Statement of the problem 1.3 Research Questions 1.4 Objectives of Study 1.5 significance of the study 1.6 Scope of the Study 1.7 Limitation of the Study Chapter Two:... Continue Reading
    TABLE OF CONTENT Chapter One: Introduction 1.1 Background of the study 1 1.2 Statement of the problem 1.3 Research Questions 1.4 Objectives of Study 1.5 significance of the study 1.6 Scope of the Study 1.7 Limitation of the Study Chapter Two: Literature Review and Theoretical Framework 2.0 Introduction 2.1 Definition of Investigative Journalism... Continue Reading
    This research work is meant to determine the Earth’s stability from gravity anomalies and to provide diverse explanations for a wide range of physical observations and also highlight the factors affecting the stability of the Earth. Information from geodesy (shape of the Earth) and the gravitational field of the Earth studies have been fitted... Continue Reading
    This research work is meant to determine the Earth’s stability from gravity anomalies and to provide diverse explanations for a wide range of physical observations and also highlight the factors affecting the stability of the Earth. Information from geodesy (shape of the Earth) and the gravitational field of the Earth studies have been fitted... Continue Reading
    ABSTRACT Sustainable use of soils requires in-depth knowledge of the formation, genesis and properties of soil. It is in view of this that some soils derived from granitic parent rock in Ikole, South- western Nigeria covering 33.7 hectares of land where mapped at a scale of 1:50,000 using a combination of convectional and remote sensing methods of... Continue Reading
     ABSTRACT Sustainable use of soils requires in-depth knowledge of the formation, genesis and properties of soil. It is in view of this that some soils derived from granitic parent rock in Ikole, South- western Nigeria covering 33.7 hectares of land where mapped at a scale of 1:50,000 using a combination of convectional and remote sensing methods... Continue Reading
    Call Us
    whatsappWhatsApp Us