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Overland Flow Resistance Estimation from Small-Plot Data
The correct application of physical process models, such as the kinetic wave approximation to shallow overland flow, is dependent upon selection of appropriate values for parameters which...

Parameter Sensitivity of a Non-Linear, Process-Based Soil Erosion Model
Process-based, parameter distributed models have become widely accepted tools to predict the impacts of land use changes. Unfortunately these computer models are becoming more complex...

Comparison of Nested Models' Local-Scale Precipitation from a Three-Year Base Run and a Corresponding Doubled CO₂ Run
Comparisons were made of nested model simulated precipitation from a 3-yr base run and the corresponding doubled-CO₂ run for the Gunnison watershed...

Nested Modeling of Watershed Precipitation
The U. S. Bureau of Reclamation's GCCRP (Global Climate Change Research Program) is concerned with the possible impacts of global change upon precipitation, environmental variables and...

Evaluating and Guiding Weather Modification Efforts with Advanced Three-Dimensional Numerical Models
Several recent developments have expanded our capabilities to understand and document precipitation processes. One of these developments is the recent advances in computer hardware and...

A New Look at the Potential of Hygroscopic Seeding in Summertime Convective Clouds
Hygroscopic seeding was conducted in the sixties and early seventies in the USA, but since then, most cloud seeding efforts have used glaciogenic seeding materials, usually silver iodide...

Models for Simulating Hydrology and Water Quality on Drained Soils
Design and operation of drainage and related water management systems should consider both agricultural production and environmental impacts. This is currently required in many locations...

Design and Management of Evaporation Ponds
The evaporation ponds in use in the San Joaquin Valley were designed and constructed to dispose of agricultural drainage water in a region of low soil permeability and high water table....

Furrow Irrigation Education
A furrow irrigation simulation computer model based on the volume-balance method is described. The model is used to develop information on furrow system performance that can be used in...

Optimal Commands in Border Irrigation Systems
Optimal command areas and level border irrigation design parameters are obtained for a given available seasonal water supply using a dynamic programming (DP) optimization approach. The...

IRRICAD ? Computerized Irrigation Design
IRRICAD is a software program that helps irrigation designers by using a computerized systems approach to design. The program features drawing CAD input, interpolation of elevation data,...

An Irrigation Allocation Planning Model
An irrigation allocation model using multiperiod linear programming was developed to recommend canal water allocation among different irrigated fields to maximize net annual benefits for...

A Flexible Expert System Based Typology of Irrigation System Types
This paper describes an approach developed to classify irrigation systems into categories. It discusses the general problem of developing a typology of irrigation systems and proposes...

Development of a Hydrological Database for PROSIM?A Water Rights-Based Operational Simulation Model of the Provo River
The development of a hydrological database for a computer model of the hydrology, water rights, and operations of the Provo and Weber rivers is described. The model uses all pertinent...

FLUME 3.0: A Computer Program for Designing Flumes and Weirs
Long-throated flumes and broad-crested weirs are becoming the preferred measuring devices for use in irrigation canals. A computer program for calibrating these flumes and weirs has been...

BASIN 2.0 for the Design of Level-Basin Irrigation Systems
The purpose of this paper is to present a computer program for the hydraulic design of level-basin irrigation systems. The first of three design modes provides design based on the advance...

CPIVOT v 2.0 Center Pivot Analysis and Design Software
A micro-computer based software package is presented which can be used for hydraulic design and/or analysis of center pivot irrigation systems. The software is written in C and requires...

Flow Simulation for Surface Irrigation Design
Experience shows that even the most sophisticated and accurate computer models of the surface-irrigation process will not be widely used by design agencies unless they manifest a certain...

Software Engineering for Irrigation and Environmental Applications
Interactive, user-oriented software has been developed to enhance irrigation design, management and planning. Environmental applications were the central focus of several individual components...

Radiation Balance and Soil Water Evaporation of Bare Pullman Clay Loam Soil
Radiation and energy balance components and soil water evaporation were measured for a bare Pullman clay loam soil at Bushland, TX during the 1992 spring and summer as the soil dried following...

 

 

 

 

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