Note: Intro -- Editorial Board of Conference Proceedings -- Reviewers List -- Preface -- Contents -- About the Editors -- Hydroinformatics -- 1 Statistical Approach for Water Quality Evaluation of Irrigation Canals in Egypt -- Abstract -- 1 Introduction -- 2 Methodology -- 2.1 Study Area -- 2.2 Studied Locations and Parameters -- 2.3 Statistical Approach -- 2.3.1 Investigating Water Quality Status -- 2.3.2 Hierarchical Cluster Analysis (HCA) -- 2.3.3 Principal Component/Factor Analysis (PC/FA) -- 3 Results and Discussion -- 3.1 Investigating Water Quality Status -- 3.2 WAWQI -- 3.3 HCA -- 3.4 PC/FA -- 4 Conclusion -- Acknowledgements -- References -- 2 Eutrophication Status and Control of Egyptian Northern Lakes -- Abstract -- 1 Introduction -- 2 Methodology -- 2.1 Study Area -- 2.2 Data Sources and Collection -- 2.3 Data Analysis -- 3 Results and Discussion -- 3.1 Trophic State Index -- 3.2 Total Nitrogen and Total Phosphorus -- 3.3 Regression Analysis -- 3.4 Controlling Eutrophication of Northern Lakes -- 4 Conclusion and Recommendations -- References -- 3 An Integrated System Dynamics Model to Predict the Effects of Management Scenarios on Economic Assessment of Water and Soil Resources in Hableh-Rud River Basin, Iran -- Abstract -- 1 Introduction -- 2 Material and Methods -- 2.1 Study Area -- 3 Problem Definition -- 3.1 Model Development -- 3.2 Preparing a Stock and Flow Diagram and Model Performance -- 3.3 Model Validation Tests -- 3.4 Scenario Planning for Integrated Management of Soil and Water Resources -- 4 Results and Discussion -- 4.1 Feedback Loops in Soil and Water Resources Management -- 4.2 Stock and Flow Diagram (SFD) -- 4.3 Results of Model Validation Tests -- 4.4 Results of Implementation of Scenarios -- 5 Conclusion -- References. , 4 Seasonal Variation for Trace Metals Contamination of Groundwater Using GIS Technology in Pissurlem, Sonshi, Cudnem,Velguem, Surla Watersheds, North Goa District, Goa State, India -- Abstract -- 1 Introduction -- 1.1 Study Area Details -- 1.2 Mandovi River -- 1.3 Physicochemical Analysis of Groundwater -- 2 Results and Discussion -- 2.1 Aluminum (Al) -- 2.2 Copper (Cu) -- 2.3 Iron (Fe) -- 2.4 Manganese (Mn) -- 2.5 Selenium (Se) -- 2.6 Zinc (Zn) -- 2.7 Cadmium (Cd) -- 2.8 Lead (Pb) -- 2.9 Nickel (Ni) -- 2.10 Arsenic (As) -- 2.11 Chromium (Cr) -- 3 Conclusion -- References -- 5 The Impact of Different Design Approaches on Fine Sediment Transport in Gezira Scheme, Sudan -- Abstract -- 1 Introduction -- 2 Materials and Method -- 2.1 Study Area -- 2.2 Data Measurement -- 2.3 Simulation Using HEC-RAS Model -- 2.3.1 General -- 2.3.2 Data Entering -- 2.3.3 Sensitivity Analysis -- 2.3.4 Calibration of the Model -- 2.4 Application of Different Design Approaches -- 2.4.1 General -- 2.4.2 The Regime Theory -- 2.4.3 Maximum Permissible Velocity -- 2.4.4 Tractive Force -- 2.4.5 Rational Method -- 2.5 ICDesign Software Development -- 2.5.1 Introduction -- 2.5.2 Input Data -- 2.5.3 Outputs -- 3 Results -- 3.1 Application of the Original Design -- 3.2 Application of Regime Theory -- 3.3 Application of the Modified Maximum Permissible Velocity -- 3.4 Application of Tractive Force -- 4 Discussion and Conclusion -- Annexes -- Annex 1: Modified Maximum Permissible Velocity Design Steps -- Annex 2: Tractive Force Design Steps -- References -- 6 Remote Sensing Approach for Estimating Evapotranspiration Using Satellite-Based Energy Balance Models in Al Hamra, Oman -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 2.1 Study Area and Satellite Imagery -- 2.2 Model Description -- 2.3 Validation -- 3 Results and Discussion -- 4 Conclusions -- References. , 7 Application of Dipole-Dipole, Schlumberger, and Wenner-Schlumberger Arrays in Groundwater Exploration in Karst Areas Using Electrical Resistivity and IP Methods in a Semi-arid Area, Southwest Iran -- Abstract -- 1 Introduction -- 2 Material and Methods -- 2.1 Geological Setting -- 2.2 Data Collection -- 2.3 Methodology -- 3 Results -- 4 Discussion -- 5 Conclusion -- References -- 8 A Comparative Study on Regional Drought Characterization Using Estimated Drought Indices in Conjunction with Trend Analysis in Peninsular India -- Abstract -- 1 Introduction -- 2 Material and Methodology -- 2.1 Trend Analysis of Annual Rainfall by Using Mann-Kendall's Test (Mann, 1945 -- Kendell, 1975) -- 2.2 Drought Index -- 2.3 Palmer Drought Index (Palmer, 1965) -- 2.4 Standardized Precipitation Index (SPI) -- 3 Study Area and Data Used -- 4 Results and Discussion -- 4.1 Rainfall Trend Analysis -- 4.1.1 Annual Rainfall Classification -- 4.1.2 Rainfall Trend Analysis Using Mann-Kendall's Test -- 4.2 Drought Analysis -- 4.2.1 Drought Index (DI) Analysis -- 4.2.2 Palmer Drought Index (PDI) Analysis -- 4.2.3 Standardized Precipitation Index (SPI) Analysis -- 4.2.4 Comparison of Three Drought Indices for Two Study Regions. -- 4.2.5 Identification of Drought Events Using Log Pearson Type-III Distribution Technique for Karnataka -- 5 Conclusion -- 6 Conflict of Interest/Competing Interests -- 7 Availability of Data and Materials -- Acknowledgements -- References -- 9 An Investigation Standardized Precipitation Index Trend in Arid and Semi-arid Region of Pakistan Applying the Innovative Trend Analysis (ITA) Technique -- Abstract -- 1 Introduction -- 2 Materials and Methods -- 2.1 Study Area -- 2.2 Standardized Precipitation Index (SPI) -- 2.3 Innovative Trend Analysis (ITA) -- 3 Results and Discussion -- 4 Conclusions -- Acknowledgements -- References. , 10 The Impacts of Land-Use Change on the Runoff Characteristics Using HEC-HMS Model: A Case Study in Wadi Al-Mulaikhy Sub-Watershed in Sana'a Basin, Yemen -- Abstract -- 1 Introduction -- 2 Data and Methods -- 2.1 Study Area and Data Acquisition -- 2.2 Land-Use/Cover Classification and Mapping -- 2.3 Creation The Basin Model -- 2.4 Model Completion in HEC-HMS Model -- 3 Results and Discussion -- 3.1 Land-Use/Cover Changes -- 3.2 Runoff Changes -- 3.3 CN Values -- 3.4 S Values -- 3.5 Ia Values -- 4 Conclusions -- Acknowledgements -- References -- Report Rapid -- 11 Evaluation of Groundwater Quality Variations Using Geographical Information System (GIS) and Multivariate Statistical Techniques: A Case Study from Qa'Jahran Basin, Dhamar, Yemen -- Abstract -- 1 Introduction -- 2 Study Area and Data Acquisition -- 2.1 Scatterplots and Pairwise Correlations -- 2.2 Principle Component Analysis (PCA) -- 2.3 Water Quality Index (WQI) -- 2.4 Classification of Water -- 3 Results and Discussion -- 3.1 Correlation and Scatterplots -- 3.2 Principal Component Analysis (PCA) -- 3.3 Loading and Scatterplots -- 3.4 Data Reduction -- 3.5 Water Quality Parameters -- 3.6 Water Quality Index (WQI) -- 4 Conclusions -- Acknowledgements -- References -- 12 Development and Calibration of Transient Groundwater Flow Model for Al Kufrah Region, Southeast Libya -- Abstract -- 1 Introduction -- 2 Description and Location of the Modeled Area -- 3 Model Development -- 3.1 Conceptual Model -- 3.2 Transient-State Model Setup -- 3.2.1 Time Discretization -- 3.2.2 Groundwater Withdrawal -- 3.2.3 Surface Recharge -- 4 Transient-State Model Calibration -- 4.1 Storativity -- 4.2 Pumpage -- 5 Calibration Results and Statistical Analysis of Residuals -- 5.1 Stress Period I -- 5.2 Stress Period II -- 5.3 Simulated and Observed Hydrographs -- 6 Simulated Drawdown. , 6.1 Stress Period I (1968-1976) -- 6.2 Stress Period II (1977-1986) -- 6.3 Stress Period III (1987-1998) -- 6.4 Stress Period IV (1999-2004) -- 6.5 Stress Period V (2005-2010) -- 7 Groundwater Budget of the Transient-State Model -- 8 Conclusion -- References -- 13 A Multivariate Analysis of Groundwater Chemistry Data -- Abstract -- 1 Introduction -- 2 Study Area -- 3 Sample Collection and Analysis -- 4 Results and Discussion -- 5 Cluster Analysis -- 6 Conclusion -- Acknowledgements -- References -- Water Desalination and Purification Technologies -- 14 Successfully Mutual Cooperative Collective Action: Principle of Institutional Arrangement of the Aflaj Irrigation System in Sultanate of Oman -- Abstract -- 1 Introduction -- 2 Background of the Study -- 3 Aflaj Community System and Literature Review -- 4 Method -- 5 Result -- 5.1 Local Measuring Unit -- 5.2 Privately-Owned Right Distribution -- 6 Discussion and Conclusion -- References -- 15 Monitoring and Counting E. coli Bacterial Growth During Low-Pressure Events in Drinking Water Distribution Networks -- Abstract -- 1 Introduction -- 2 Material and Method -- 3 Bacteria Preparation and Testing -- 3.1 Bacterial Culture Preparation -- 3.2 Preparation of Nutrient Agar Plate -- 3.3 Spiking E. coli Culture into the Testing Tank -- 4 Methodology -- 4.1 Scenario-1 -- 4.2 Scenario-2 -- 4.3 E. coli Suspension was Directly Added to the WDN Source (Tank) -- 4.4 E. coli Suspension was Injected into the Water Network -- 4.5 E. coli Suspension was Absorbed into the Water Network -- 5 Results and Discussion -- 5.1 Time Required for the System to Initially Intrude the E. coli Bacteria -- 5.2 Time Required for the System to Fully Intrude the E. coli Bacteria -- 5.3 Time Required to Detect E. coli at the WDN Outlet -- 5.3.1 Case-1: E. coli Suspension was Directly Added to the WDN Source (Tank). , 5.3.2 Case-2: E. coli Suspension was Injected into the Water Network.