Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 18 of 18 for “"hydrogeochemistry"”.

  1. Hydrogeology and hydrogeochemistry of the Spring Mountains, Clark County, Nevada

    The Spring Mountains are the largest ground-water recharge area in southern Nevada and supply a significant amount of ground water to the Las Vegas' Pahrump, and Indian Springs Valleys; The high quality of ground water in the study area is controlled by the predominance of carbonate rock in the …

    unlv Repository record for Hydrogeology and hydrogeochemistry of the Spring Mountains, Clark County, Nevada (opens in a new tab)

  2. The geohydrology and hydrogeochemistry of the proposed Garrison Lignite Mine

    <p>A local groundwater study is a necessity before the opening of any lignite mine in North Dakota. The study becomes an important reference for the environmental impact during mining and after reclamation.</p> <p>This report is a groundwater study of the Proposed Garrison Lignite Mine, McLean …

    nodak Repository record for The geohydrology and hydrogeochemistry of the proposed Garrison Lignite Mine (opens in a new tab)

  3. Hydrology and Hydrogeochemistry of the South Fork, Wright Valley, Southern Victoria Land, Antarctica

    Complex, dynamic hydrogeochemical systems--involving the transport and fractionation of water and solutes--occur in the rocks, surficial materials, and surface waters of the south fork of Wright Valley, situated in the ice-free region of Southern Victoria Land, Antarctica. All of these systems have …

    uiuc Repository record for Hydrology and Hydrogeochemistry of the South Fork, Wright Valley, Southern Victoria Land, Antarctica (opens in a new tab)

  4. The hydrogeochemistry of pond and rice field recharge : implications for the arsenic contaminated aquifers in Bangladesh

    The shallow aquifers in Bangladesh, which provide drinking water for millions and irrigation water for innumerable rice fields, are severely contaminated with geogenic arsenic. Water mass balance calculations show that groundwater-irrigated rice fields and man-made ponds are the primary sources of …

    mit Repository record for The hydrogeochemistry of pond and rice field recharge : implications for the arsenic contaminated aquifers in Bangladesh (opens in a new tab)

  5. Geology, hydrology and hydrogeochemistry of the West Brush Creek Development Area, Beulah Mine, Mercer County, North Dakota

    … This study describes the geology, hydrology, and hydrogeochemistry of an 8 km2 area which is scheduled for strip mine development, and addresses the potential impacts of mining on the local hydrologic and hydrogeochemical regime.</p> <p>Four previously recognized stratigraphic intervals in the …

    nodak Repository record for Geology, hydrology and hydrogeochemistry of the West Brush Creek Development Area, Beulah Mine, Mercer County, North Dakota (opens in a new tab)

  6. Shallow Groundwater Quality in Alberta (Canada) with a Focus on the Occurrence of Nitrate and Methane

    This study characterized the hydrogeochemistry and redox state of shallow groundwater (< 150 mbgs) in Alberta, with a focus on the occurrence of nitrate and methane. Chemical analyses of > 60,000 groundwater samples collected from landowner wells (part of the Alberta Health Services dataset) were …

    calgary Repository record for Shallow Groundwater Quality in Alberta (Canada) with a Focus on the Occurrence of Nitrate and Methane (opens in a new tab)

  7. Groundwater investigation in the vicinity of Morden, Manitoba

    … respect to natural ground-water flow phenomena, hydrogeochemistry, and possible ground-water seepage out of Lake Minnewasta. The results of the investigation show that many natural ground-water recharge and discharge areas exist in the general region and that the problem on the Experimental Farm …

    sask Repository record for Groundwater investigation in the vicinity of Morden, Manitoba (opens in a new tab)

  8. Development of an acid mine drainage treatment technology and recovery of minerals

    … techniques. In designing the treatment method, hydrogeochemistry of decanting AMD from Mpumalanga was studied. Findings from this study revealed that decanting AMD continues to threaten the environment due low pH, high Electrical Conductivity (EC) and precipitation of secondary minerals. …

    venda Repository record for Development of an acid mine drainage treatment technology and recovery of minerals (opens in a new tab)

  9. Hydrogeologic Characterization of a discharge wetland in northeastern Grand Forks County, North Dakota

    … table, the vertical groundwater gradient, and hydrogeochemistry of this wetland. </p><p> The non-integrated wetland hosts two intermittent lakes fringed by saline soils of lacustrine origin. Low permeability sediments underlying the wetland have -7 hydraulic conductivities ranging from 1.0 x 10 …

    nodak Repository record for Hydrogeologic Characterization of a discharge wetland in northeastern Grand Forks County, North Dakota (opens in a new tab)

  10. ASSESSING THE ROLE OF GEOLOGIC SETTING ON THE HYDROLOGY AND GROUND WATER GEOCHEMISTRY OF FENS IN THE GLACIATED MIDWESTERN UNITED STATES

    … signature of fens and to compare hydrogeochemistry of fens located in different geographic and geologic settings. The five studied fens, located in the Central Till Plain physiographic region of Indiana, receive ground water sourced from glacial tills with very similar petrologic …

    iupui Repository record for ASSESSING THE ROLE OF GEOLOGIC SETTING ON THE HYDROLOGY AND GROUND WATER GEOCHEMISTRY OF FENS IN THE GLACIATED MIDWESTERN UNITED STATES (opens in a new tab)

  11. Assessment of groundwater quality in a part of Mhlathuze catchment of Empangeni and Richards Bay, KwaZulu-Natal, South Africa

    … and high alkalinity hazards are observed. The hydrogeochemistry of the major ions in the groundwater are in the order of dominance of Na > K > Ca > Mg and Cl > HCO3 > SO4 in 2015 and Na > Ca> Mg >K and Cl > SO4 > HCO3 in the year 2016. Ca-Mg-Na, Cl-SO4-HCO3, Ca-Mg-Cl, and Na-Cl are the dominant …

    zulu Repository record for Assessment of groundwater quality in a part of Mhlathuze catchment of Empangeni and Richards Bay, KwaZulu-Natal, South Africa (opens in a new tab)

  12. Hydrogeochemical exploration at Tsumeb

    … makes exploration for minerals very difficult. Hydrogeochemistry was considered as a possible answer to the problem of prospecting in this region but a major obstacle was the lack of an undisturbed site for orientation studies. The Tsumeb mine was therefore used as a "surrogate" orientation …

    cape-town Repository record for Hydrogeochemical exploration at Tsumeb (opens in a new tab)

  13. Hydrogeological controls of uranium and arsenic mobility in groundwater of the Pine Ridge Reservation, South Dakota

    This study integrates geochemical modeling, spatial analysis and several statistical methods including principal component analysis, multivariate regression and cluster analysis to investigate hydrogeologic controls of arsenic and uranium contamination within groundwater of the Arikaree aquifer on …

    colo-mines Repository record for Hydrogeological controls of uranium and arsenic mobility in groundwater of the Pine Ridge Reservation, South Dakota (opens in a new tab)

  14. Hydrogeochemical evaluation and groundwater quality assessment for drinking and irrigation purposes in Bushbuckridge, South Africa.

    This study was conducted in Bushbuckridge, situated within the Sand River Catchment (SRC), Mpumalanga Province, South Africa, with the aim of evaluating the hydrochemistry and assessing the quality of groundwater for drinking and irrigation purposes. Groundwater samples (n= 40) were collected from …

    venda Repository record for Hydrogeochemical evaluation and groundwater quality assessment for drinking and irrigation purposes in Bushbuckridge, South Africa. (opens in a new tab)

  15. Assessment of health risk association with groundwater from Collins Chabane and Makhado Municipality of Vhembe District

    Water is essential to life, but many people lack access to clean and safe drinking water, and many die of preventable waterborne diseases. The study conducted assessed groundwater vulnerability to Physico-chemical and microbial contamination across the Collins Chabane and Makhado Municipality. A …

    venda Repository record for Assessment of health risk association with groundwater from Collins Chabane and Makhado Municipality of Vhembe District (opens in a new tab)

  16. Synthesis and potential application of Fe3+/Mn2+ bimetal and hexadecyltrimethylammonium bromide (HDTMA-Br) modified clayey soils for arsenic removal in groundwater

    The presence of arsenic in groundwater has drawn worldwide attention from researchers and public health officials due to its effects on human health such as, cancer, skin thickening, neurological disorders, muscular weakness, loss of appetite and nausea. World Health Organisation (WHO) has set the …

    venda Repository record for Synthesis and potential application of Fe3+/Mn2+ bimetal and hexadecyltrimethylammonium bromide (HDTMA-Br) modified clayey soils for arsenic removal in groundwater (opens in a new tab)

  17. Incorporating Recent Geochemical and Isotopic Constraints in Age Dating the Waters of Hot Springs National Park, Arkansas

    <p>Mean water age for spring discharge in Hot Springs National Park was calculated as approximately 4,400 years by Bedinger et al (1978) using carbon-14. Their analysis indicated that the water was a mixture of a small portion of cold water that was less than twenty years old with a preponderance …

    arkansas Repository record for Incorporating Recent Geochemical and Isotopic Constraints in Age Dating the Waters of Hot Springs National Park, Arkansas (opens in a new tab)

  18. ΥΔΡΟΓΕΩΛΟΓΙΚΕΣ ΣΥΝΘΗΚΕΣ ΝΟΤΙΟΥ ΛΙΓΝΙΤΟΦΟΡΟΥ ΠΕΔΙΟΥ ΠΤΟΛΕΜΑΙΔΑΣ. ΠΡΟΒΛΗΜΑΤΑ ΥΠΟΓΕΙΩΝ ΝΕΡΩΝ ΚΑΙ ΑΝΤΙΜΕΤΩΠΙΣΗ ΤΟΥΣ ΚΑΤΑ ΤΗΝ ΕΚΜΕΤΑΛΛΕΥΣΗ

    IN THIS RESEARCH WORK THE HYDROGEOLOGICAL CONDITIONS OF SOUTH LIGNITE BEARING BASIN OF PTOLEMAIS REGION, GREECE, ARE STUDIED IN ORDER TO PROTECT THE SOUTH FIELD OPEN CAST MINE AGAINST GROUNDWATER. THE GEOLOGY OF THE AREA IS STUDIED, THE VARIOUS PARAMETERS OF THE HYDROLOGIC BUDGET ARE ESTIMATED, THE …

    greece Repository record for ΥΔΡΟΓΕΩΛΟΓΙΚΕΣ ΣΥΝΘΗΚΕΣ ΝΟΤΙΟΥ ΛΙΓΝΙΤΟΦΟΡΟΥ ΠΕΔΙΟΥ ΠΤΟΛΕΜΑΙΔΑΣ. ΠΡΟΒΛΗΜΑΤΑ ΥΠΟΓΕΙΩΝ ΝΕΡΩΝ ΚΑΙ ΑΝΤΙΜΕΤΩΠΙΣΗ ΤΟΥΣ ΚΑΤΑ ΤΗΝ ΕΚΜΕΤΑΛΛΕΥΣΗ (opens in a new tab)