Hydraulic Design in Water Resources Engineering: Land Drainage

Land Drainage: Art; Skill, Science, or Technology?.- Section 1. Design of Field Drainage Systems.- The Modelling of a Drainage System in the River Valley with Ground Water Under Pressure.- The Effect of Drainage Works within the Turu-Lung Somes-Barcau Zone.- Surface and Subsurface Drainage Projects Achieved in Stages.- New Drainage Formulas Considering Delayed Gravity Response and Evaporation from Shallow Water Table.- Unsteady State Condition Drainage of Sloping Land Theoretical and Experimental Results Concerning the Raising of Water Table Depletion Curve.- Methods for Estimating the Evaporation from Shallow Water Table in Drainage Design Formulas.- Tubewell-Spacing Formulas for Subsurface Drainage.- Section 2. Main Drainage and Flood Control.- Area Reduction Factors for Land Drainage Design in Flat Basins in Moderate Temperate Climates.- An Integrated Surface and Groundwater Flow Model for the Design and Operation of Drainage Systems.- Application of the Hydrological Model GRODRA for the Design of a Water Management System in the Land Consolidation Project Giethoorn-Wanneperveen.- CALDRA: A Software Package for Drainage Design.- The Controller of Pumping Aggregates in Draining Pumping Stations in Poland.- A Method of Flood Routing in Ungauge 1 Catchments with Particular Reference to Proposed Changes. A Case Study.- Design Study Main Drainage System Markerwaard.- Land Drainage and Flood Prevention in the Central Somerset Lowlands with Particular Reference to the South Drain Scheme Stage III.- Integrated Drainage Systems for an Alluvial Wet Land - A Case Study.- Development of Lahore at West Bank of Ravi.- The Effects of Artificial Subsurface Drainage on Flood Discharge.- Flood Protection and Drainage of the East and West Fens Hydrology.- Flood Protection andDrainage of the East and West Fens Unsteady Flow Modelling Studies.- Flood Protection and Drainage of the East and West Fens Engineering and Economics.- Effect of Subsurface Drain Discharge on Streamflow.- Development of the Lower Mono River Valley, West Africa: A Case Study.- Moisture Excess Removal from the Saucers in the North-Bucharest Area.- Section 3. Hydraulic Aspects of Drainage Design.- The Hydraulic Characteristics of Hinged Flap Gates.- Laboratory Experiments on the Flow Resistance of Aquatic Weeds.- Diffusion of the Sluice Way Jet.- Regime Approach to the Design of Drainage Channels.- Sediment Transport in Circular and Non-Circular Conduits.- On the Hydraulics of Corrugated PVC Drains with Different Clogging Degrees.- Open Drain Bank Stabilization Before and After Construction.- Unsteady Flow Computations in Open Channel Hydraulics.- Section 4. Influence of Drainage on Soils.- The Influence of Salts on Physical Properties of Soils.- Methods for Estimating the Drainable Porosity in Nonsteady Drainage Formulas.- Crop Production and Topsoil/Surfacewater Salinity in Farmers' Irrigated Rice Fields, the Nile Delta.- Improvement of Drainage in Loamy Soil by Subsoiling.- Movement of Salt During the Cropping Cycle in Drained and Undrained Coastal Marshes of the U. K..- Impermeable Soils Require Stable Channels and Good Crack Formation for Effective Drainage.- The Effect of Soil Physical Changes Introduced by Mole Drainage and Cultivation on the Removal of Rainfall.- The Breakdown of Field Drainage Systems due to Deflocculation in the Coastal Marshes of England The Extent of the Problem and Possible Remedies.- Extension of Mole Drainage Practices.- Section 5. Influence of Drainage on Water Quality and the Environment.- Nitrate in Water Draining from Arable LandUnder Autumn Sown Crops and the Influence of Cultivation.- The Reduction of the Effects on Flora Caused by Drainage Water Quality by a Proposed Reservoir as an Element of a Feedbacksystem.- Simple Hydrated Lime Plants for Treatment of Ferrous Rich Drainage Water.- Disposal of Saline Drainage Water and Storm Discharge from Left Bank Outfall Drain, Pakistan.- Drainage Water Quality.- Effect of Saline Water on the Effluent from Gypsiferous Soils.- Plant Nutrient Losses in Drainage Water on Heavy Clay Soil.- Technical Economic Criteria and Efficient Drainage System Design When Using Different Filter Materials.- Stabilization or Prevention of Wet Landslips by Drainage.- Drainage Problems in Areas Subject to Subsidence due to Oil Production.- Section 6. Drainage Economics.- The Economical Evaluation in the Design of Main Drainage Systems.- An Economic Argument for a Sub-Optimal Engineering Design for the Drainage of Clay Soils.- Drainage Benefits to Land Workability.