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中国大同盆地含砷地下水反应运移模拟研究

DEDICATION第8-9页
CURRICULUM VITAE第9-13页
摘要第13-15页
ABSTRACT第15-17页
LIST OF ABBREVIATIONS AND SYMBOLS第25-26页
CHAPTER 1. INTRODUCTION AND LITERATURE REVIEW第26-38页
    1.1 Introduction第26页
    1.2 Arsenic sources and mobilization/demobilization第26-28页
    1.3 Arsenic toxicity and transformation第28-30页
    1.4 Arsenic in northern China第30页
    1.5 Arsenic studies at Datong第30-33页
    1.6 Numerical modeling and applications in relation to arsenic in groundwater第33-34页
    1.7 Problem statement第34-35页
    1.8 Main objectives第35-36页
    1.9 Thesis outline第36页
    1.10 Summary第36-38页
CHAPTER 2. MATERIALS AND METHODS第38-59页
    2.1 Introduction第38页
    2.2 Geographical location of Datong basin第38-40页
    2.3 Geology of Datong basin第40页
    2.4 Hydrodynamic Features of the Greater Datong Basin第40-41页
    2.5 Hydrogeochemical Analysis第41-46页
        2.5.1 Sampling and Study Site Design第41-42页
        2.5.2 Mineralogy and sediment analysis第42-45页
        2.5.3 Hydrochemical Analysis第45页
        2.5.4 Stable isotopes第45-46页
    2.6 Geochemical Modeling tools第46-59页
        2.6.1 TOUGHREACT第46-53页
        2.6.2 PETRASIM第53-54页
        2.6.3 PHT3D第54-55页
        2.6.4 Geochemical Reactions第55-58页
        2.6.5 GMS (Ground Water Modeling System)第58-59页
CHAPTER 3. GENERAL HYDROCHEMISTRY, SEDIMENT PARTITIONINGSTUDIES AND ARSENIC DISTRIBUTION第59-72页
    3.1 Introduction第59页
    3.2 General hydrochemistry第59-63页
    3.3 Sediment geochemistry第63-66页
        3.3.1 Sediment arsenic partitioning studies第63-64页
        3.3.2 Iron partitioning studies第64-65页
        3.3.3 Relationship between As and Fe pools第65-66页
    3.4 Possible hydrochemical controls and spatial variation of arsenic第66-69页
    3.5 Stable Isotope第69-72页
        3.5.1 Concluding remarks第71-72页
CHAPTER 4. 1-DIMENSION FLOW PATH SIMULATION USING TOUGHREACT第72-89页
    4.1 Introduction第72页
    4.2 Model Setup第72-74页
        4.2.1 Model parameterization第73页
        4.2.2 Hydrodynamic parameters and model discretization第73-74页
    4.3 Simulated major chemical evolution第74-78页
    4.4 Simulated major chemical evolution第78-80页
    4.5 SO_4, Sulfide (HS) and NH_4~+第80-83页
    4.6 Mn and Fe第83页
    4.7 Mineral reactions and implication on arsenic第83-87页
        4.7.1 Carbonates and Fe-hydroxides/oxides第84-85页
        4.7.2 Silicates第85-87页
    4.8 Evolution over time第87-88页
    4.9 Model transferability and Limitations第88页
    4.10 Concluding Remarks第88-89页
CHAPTER 5. 2-DIMENSION SIMULATION USING PHT3D第89-100页
    5.1 Introductory Remarks第89-90页
    5.2 Model Setup第90-94页
    5.3 Sorption effect on arsenic distribution第94-98页
        5.3.1 Role of minerals and cation exchange on arsenic mobilization第94-96页
        5.3.2 Competitive desorption第96-98页
    5.4 Model transferability and Limitations第98-99页
    5.5 Concluding Remarks第99-100页
CHAPTER 6. GENERAL CONCLUSIONS,RECOMMENDATIONS AND FUTURESTUDIES第100-102页
    6.1 Conclusions第100-101页
    6.2 Recommendations第101-102页
ACKNOWLEDGEMENT第102-104页
REFERENCES第104-114页
附表第114-115页
APPENDIX B-1 PART OF CHEM.INP第115-123页
APPENDIX B-2 PART OF FLOW.INP第123-147页
APPENDIX B-3 PART OF CHEM.OUT第147-152页
APPENDIX C-1 SAMPLE OF PHT3D INPUT第152-156页
APPENDIX D ABSTRACTS OF THE TWO PAPERS FROM THIS THESIS第156-158页

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