Note: Intro -- Parts of this thesis have been published in the following journal articles: -- Supervisor's Foreword -- Acknowledgments -- Contents -- 1 Introduction -- 1.1 Objective, Task, and Significance -- 1.2 Current Status of Research and Technology in Related Fields -- 1.2.1 Current Status of Research on the Technology of Comprehensive Utilization of Water Resources -- 1.2.1.1 Current Status of Research Abroad -- 1.2.1.2 Current Status of Research in China -- 1.2.2 Current Status of the Theory and Technology of Water Resources Assessment -- 1.2.2.1 Assessment Methods of Water Resources -- 1.2.2.2 Review of Water Resources Assessment Method -- 1.2.3 Current Status of Research on Mine Seepage Theory and Numerical Simulation -- 1.2.3.1 Simulation of Groundwater Flow -- 1.2.3.2 Research on Special Variability of Hydrological Hydraulic Parameters -- 1.2.4 Current Status of Research on the Theory and Technology of Rational Allocation of Water Resources -- 1.2.4.1 Basic Concept -- 1.2.4.2 The Scientific Basis of the Rational Allocation Water Resources -- 1.2.4.3 Relation Between Rational Allocation and Supply-Demand Balance of Water Resources -- 1.2.4.4 The Major Tasks of the Rational Allocation of Water Resources -- 1.2.4.5 Principles and Objectives of Water Resources Allocation -- 1.2.4.6 Model for the Rational Allocation of Water Resources -- 1.2.5 Current Status of the Research on Water Resources Protection in Mining Areas -- 1.2.6 Application of New Technology in the Study of Hydrology and Water Resources -- 1.2.6.1 Comprehensive Application of "3S" System -- 1.2.6.2 Application of Computer Technology -- 1.2.6.3 Application of Geostatistics -- 1.2.6.4 Application of Multivariate Statistical Analysis -- 1.2.6.5 Application of Hydrochemistry and Environmental Isotope Technique -- 1.3 General Thinking, Content, and Technical Route of the Study. , 1.3.1 General Thinking -- 1.3.2 Major Content -- 1.3.3 Technical Route -- References -- 2 Analysis of Supply and Demand of Water Resources in the Study Area -- 2.1 Assessment of Surface Water Resources -- 2.1.1 Surface Water Bodies in the Study Area -- 2.1.2 Runoff Volume of Ulan Mulun River -- 2.1.3 Resources of Surface Water Bodies -- 2.1.4 Total Surface Water Resources -- 2.2 Assessment of Groundwater Resources -- 2.2.1 Influence of Different Precipitation on the Recharge of Groundwater Resources -- 2.2.1.1 Statistical Analysis of Meteorological Data in the Study Area -- 2.2.1.2 Numerical Model of Water Content Migration in Aeration Zone in the Study Area and Determination of Rainfall Infiltration Coefficient -- 2.2.2 Assessment of Regional Groundwater Resources -- 2.2.2.1 Scope of Balance Area -- 2.2.2.2 Selection of Balance Period -- 2.2.2.3 Calculation of Balance Terms -- 2.2.2.4 Balance Analysis and Assessment of Groundwater Resources -- 2.3 Total Water Resources -- 2.4 Current Status of Water Resources Development and Utilization -- 2.4.1 Current Status of Water Supply Engineering -- 2.4.1.1 Tap Water Supply Engineering -- 2.4.1.2 Reused Water Engineering -- 2.4.2 Current Status of Water Supply -- 2.4.3 Current Status of Water Consumption -- 2.4.4 Analysis of the Current Status of Supply-Demand Balance of Water Resources -- 2.5 Prediction of Future Water Demand -- 2.5.1 Water Demand Prediction Based on GM (1, 1) Model -- 2.5.1.1 Basis of Prediction -- 2.5.1.2 Gray System Theory -- 2.5.2 Prediction of Water Demand -- 2.5.3 Planning of Water Supply Engineering -- 2.5.4 Analysis of Future Water Supply and Demand Balance -- 2.5.4.1 Analysis on Future Water Supply and Demand Balance -- 2.5.4.2 Analysis on Industrial Reused Water Supply and Demand Balance -- 2.6 Prediction of Mine Inflow. , 2.6.1 Current Status of Mine Inflow in Different Mines of the Study Area -- 2.6.2 Current Status of Water Filling in Gob of Different Mines in the Study Area -- 2.6.3 Basis of Prediction -- 2.6.4 Prediction of Mine Water Inflow -- 2.7 Summary -- References -- 3 Groundwater System in the Study Area -- 3.1 Generalities of Groundwater System -- 3.1.1 Concept of Groundwater System -- 3.1.2 Characteristics of Groundwater System -- 3.1.2.1 Hierarchy of Groundwater System -- 3.1.2.2 Integrality and Unity of Groundwater System -- 3.1.3 Theoretic Basis for Water Resources Assessment of Groundwater System -- 3.2 Analysis of Groundwater System and Hydrogeological Conditions -- 3.2.1 Generalities of Aquifer System Conditions -- 3.2.1.1 Hydrogeological Characteristics of Shalawusu Formation -- 3.2.1.2 Hydrogeological Characteristics of the Burnt Rock -- 3.2.1.3 Hydrogeological Characteristics of the Flood Land and Terrace of Ulan Mulun River -- 3.2.2 Hydrogeological Characteristics of Major Water Source Sites -- 3.2.2.1 Division of Water Sources in the Study Area -- 3.2.2.2 Water Sources in Gongnieergaigou -- 3.2.2.3 Water Source in Kaokaolagou -- 3.2.2.4 Halagou Water Source -- 3.2.2.5 Liugengou Water Source -- 3.2.3 Division and Major Hydrogeological Characteristics of Ground Water System -- 3.2.3.1 Lateral Boundary -- 3.2.3.2 Vertical Boundary -- 3.2.3.3 Division of Groundwater System and Subsystem -- 3.3 Summary -- References -- 4 Simulation, Assessment, and Management of the Key Water Source Sites -- 4.1 Simulation of the Key Water Source Sites of Groundwater System -- 4.1.1 Generalization of Hydrogeological Conditions -- 4.1.2 Generalization of Mathematic Model -- 4.1.3 Definite Condition -- 4.1.3.1 Selection of Simulation Period -- 4.1.3.2 Initial Condition -- 4.1.3.3 Treatment of Source-Sink Terms of Model -- 4.1.4 Parameter Inversion. , 4.1.4.1 Zoning of Hydrogeological Parameters -- 4.1.4.2 Inversion of Hydrogeological Parameters -- 4.1.5 Results and Analysis of Running Model -- 4.2 Feasibility Assessment of Joint Extraction of Groundwater from Wells and Springs -- 4.2.1 Groundwater Management Model -- 4.2.1.1 Theoretical Basis -- 4.2.1.2 Response Matrix of Groundwater Level -- 4.2.2 Setup of the Optimized Management Model of Conjoint Groundwater Extraction from Wells and Springs -- 4.2.2.1 Planned Wells and Control Points -- 4.2.2.2 Determination of the Plan Period and the Time Interval of Management -- 4.2.2.3 Objective Function -- 4.2.2.4 Constraint Conditions -- 4.2.3 Resolving and Analysis of the Optimized Management Model of Conjoint Groundwater Extraction from Wells and Springs -- 4.2.3.1 Mathematic Model and Its Decomposition -- 4.2.3.2 Calculation of the Response Function and the Additional Water Level -- 4.2.3.3 Algorithm Implementation and Results -- 4.3 Summary -- References -- 5 Assessment of Coal Mining Impact on Water Resources -- 5.1 The Impact of Coal Mining on Water Resources Circulation -- 5.1.1 Change of the Transformation Relation Between Surface Water and Groundwater -- 5.1.2 Acceleration of the Infiltration Rate of Rainfall and Surface Water, Reduction of Evaporation -- 5.1.3 Mine Drainage Makes Water Circulation Complicated -- 5.2 Impact of Coal Mining on the Structure of Aquifer in Seam Roof -- 5.3 Impact of Coal Mining on Surface Water -- 5.3.1 Impact of Coal Mining on Surface Water System -- 5.3.2 Impact of Coal Mining on Surface Water Quality -- 5.4 Impact of Coal Mining on Groundwater -- 5.4.1 Relationship Between the Drop of Groundwater Level and Destruction of Overburden Rocks -- 5.4.2 Impact of Coal Mining on Water Level of the Major Aquifer -- 5.4.3 Impact of Coal Mining on Groundwater Flow Field -- 5.4.3.1 The Original Groundwater Flow Field. , 5.4.3.2 Variation of Groundwater Flow Field During Mining -- 5.4.4 Impact of Coal Mining on Groundwater Quality -- 5.5 Impact of Coal Mining on Water Resources Quantity -- 5.5.1 Impact of Coal Mining on the Total Water Resources -- 5.5.1.1 Groundwater Drawdown Induced by Coal Mining Has Reduced the Evaporation of the Shallow Groundwater -- 5.5.2 Groundwater Drawdown Induced by Coal Mining Reduced the Output of Springs -- 5.5.2.1 Groundwater Drawdown Induced by Coal Mining Increased the Capture of Water Resources from the Exterior Drainage Basin -- 5.5.3 Impact of Coal Mining on the Available Water Resources -- 5.5.3.1 Impact of Coal Mining on the Available Surface Water Resources -- 5.5.3.2 Impact of Coal Mining on the Available Groundwater Resources -- 5.6 Summary -- References -- 6 Study on MultiObjective Optional Allocation of Complex Water Resources System -- 6.1 Generalities of the MultiObjective Optimal Allocation Model of Water Resources -- 6.1.1 Mathematical Model -- 6.1.2 Decision Variables -- 6.1.3 Objective Function -- 6.1.3.1 Objective of Environmental Quality -- 6.1.3.2 Objective of System Operation -- 6.1.4 Constraint Conditions -- 6.1.4.1 Resources Constraint -- 6.1.4.2 Demand Constraint -- 6.2 Setup of the Optimal Allocation Model of Complex Water Resources System in the Study Area -- 6.2.1 Principle for Model Setup -- 6.2.2 Selection of Decision Variables -- 6.2.3 Setup of Objective Function and Objective Constraint -- 6.2.4 Determination of the Constraint Conditions -- 6.3 Solution Method of Model -- 6.4 Results and Analysis of Running Model -- 6.4.1 Analysis of Water Resources Optimization Results in Daliuta Shaft District -- 6.4.1.1 Analysis of Water Supply Sources and Output of Supplying Water in Different Level Years -- 6.4.1.2 Analysis of the Balance Between Supply and Demand of Water Resources in Different Level Years. , 6.4.1.3 Analysis of Water Supply Potential.