Journal of Irrigation and Drainage Engineering: Recent submissions
Now showing items 1861-1880 of 3826
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Discussion of “Simple Model for Analyzing Transient Pumping from Two Aquifers without Cross Flow” by Sushil K. Singh
(American Society of Civil Engineers, 2010) -
Closure to “Direct Solution to Problems of Open-Channel Transitions: Rectangular Channels” by Abdulrahman Abdulrahman
(American Society of Civil Engineers, 2009) -
Operative Approach to Agricultural Drought Risk Management
(American Society of Civil Engineers, 2009)In a companion paper, the agricultural drought economic risk assessment (ADERA) model was described. ADERA studies agricultural drought not only in terms of deficit soil water content and its frequency and severity (as in ... -
Quality of Service in Irrigation Distribution Networks: Case of Palos de la Frontera Irrigation District (Spain)
(American Society of Civil Engineers, 2009)A methodology based on indicators was developed to study the quality of service provided in irrigation distribution networks. The indicators were divided into network descriptors and operational indicators, some calculated ... -
Time Base as an Invertible Function of the Parameters of Gamma Unit Hydrograph
(American Society of Civil Engineers, 2009)Analytical but approximate invertible equations for time base of gamma unit hydrographs or unit kernel hydrograph (UKH), which are applicable to all catchments, are derived in terms of the parameters of the unit hydrograph. ... -
Nonuniform and Unsteady Solute Transport in Furrow Irrigation. I: Model Development
(American Society of Civil Engineers, 2010)A cross-section-averaged advection-dispersion equation (ADE) model was developed to simulate the transport of fertilizer in furrow irrigation. The advection and dispersion processes were solved separately at each time step ... -
Dupuit-Forchheimer Analyses of Steady-State Water-Table Heights due to Accretion in Drained Lands Overlying Undulating Sloping Impermeable Beds
(American Society of Civil Engineers, 2009)The Dupuit-Forchheimer approximation is used in an investigation of steady-state water-table heights due to accretion in ditch-drained lands resting on an undulating impermeable bed that slopes away from a peak midway ... -
Fertigation in Furrows and Level Furrow Systems. I: Model Description and Numerical Tests
(American Society of Civil Engineers, 2009)The simulation of fertigation in furrows and level furrow systems faces a number of problems resulting in relevant restrictions to its widespread application. In this paper, a simulation model is proposed that addresses ... -
Improved Pressurized Pipe Network Hydraulic Solver for Applications in Irrigation Systems
(American Society of Civil Engineers, 2009)GESTAR is an advanced computational hydraulic software tool specially adapted for the design, planning, and management of pressurized irrigation networks. A summary is given of the most significant characteristics of GESTAR. ... -
Discussion of “Identifying Head Loss from Early Drawdowns” by Sushil K. Singh
(American Society of Civil Engineers, 2009) -
Estimating Reference Evapotranspiration Using Limited Weather Data
(American Society of Civil Engineers, 2009)The FAO-56 Penman-Monteith combination equation (FAO-56 PM) has been recommended by the Food and Agriculture Organization of the United Nations (FAO) as the standard equation for estimating reference evapotranspiration -
Flow Depletion Induced by Pumping Well from Stream Perpendicularly Intersecting Impermeable/Recharge Boundary
(American Society of Civil Engineers, 2009)Analytical solutions for rate and volume of flow depletion induced by pumping a well from a stream that intersects an impermeable or a recharge boundary at right angles are derived using the basic flow depletion factor ... -
Closure to “Simulating the Well Function for Large-Diameter Wells Using MODFLOW” by Sushil K. Singh
(American Society of Civil Engineers, 2009) -
Fertigation in Furrows and Level Furrow Systems. II: Field Experiments, Model Calibration, and Practical Applications
(American Society of Civil Engineers, 2009)Furrow fertigation can be an interesting practice when compared to traditional overland fertilizer application. In the first paper of this series, a model for furrow fertigation was presented. The simulation model combined ... -
Discussion of “Estimating Aquifer Parameters from Early Drawdowns in Large-Diameter Wells” by Sushil K. Singh
(American Society of Civil Engineers, 2009) -
Discussion of “Simulating the Well Function for Large-Diameter Wells Using MODFLOW” by Sushil K. Singh
(American Society of Civil Engineers, 2009) -
Case Study: Evaluation of Streamflow Partitioning Methods
(American Society of Civil Engineers, 2009)Understanding water flow and its relative quantities through different pathways is vital for watershed management. Like many problems in hydrology, numbers of methods have been proposed for streamflow partitioning. Five ... -
Field Calibration of Submerged Sluice Gates in Irrigation Canals
(American Society of Civil Engineers, 2009)Four rectangular sluice gates were calibrated for submerged-flow conditions using nearly 16,000 field-measured data points on Canal B of the B-XII irrigation scheme in Lebrija, Spain. Water depth and gate opening values ... -
Closure to “Estimating Aquifer Parameters from Early Drawdowns in Large-Diameter Wells” by Sushil K. Singh
(American Society of Civil Engineers, 2009) -
Discussion of “Hydraulics of Broad-Crested Weirs with Varying Side Slopes” by J. E. Sargison and A. Percy
(American Society of Civil Engineers, 2010)