Effects of Sewage Effluent Irrigation on Paddy
Paddy, the staple food of South India, occupies about an area of 38 million hectares in India [1, 1987]. Being a semi-aquatic plant, its water requirements are many times more than most...

Canal Control and Automation for the Central District System
The Central Nebraska Public Power and Irrigation District system provides irrigation and hydropower benefits in south-central Nebraska. Because of its complexity, the system relies heavily...

Portable Flumes with Adjustable Throats
Vertically adjustable flumes for canal flow measurements address several problems in field practice. One involves the perception by some canal water users that flumes and weirs always...

Conjunctive Water Use Transforms a California Desert
An area doing multi-billion dollar recreational and agricultural business in the Southern California Sonoran desert owes its existence and well being to two things?wise water planning...

Subcatchment Parameterization for Runoff Modeling Using Digital Elevation Models
Numerical algorithms are presented to estimate the length, width and slope of rectangular planes representing irregularly shaped overland contributing areas defined on raster Digital Elevation...

Engineering Education for Appropriate Technology
Few appropriate technology programs offer an engineering-based curriculum. The Drexel University program is rare in that it combines a solid engineering degree with a broad-based supplement...

Education and Research Needs for Appropriate Technology
Appropriate technology and sustainable development are inextricably interrelated and the engineering profession is increasingly realizing that greater care must be given to taking these...

Eastern San Joaquin County Groundwater Management
An aquifer system of significant volume is located in Eastern San Joaquin County (ESJC), part of California's Central Valley. The industry in that region is primarily agriculture,...

Selection of Sediment Transport Relations: Part II, Ranges of Dimensionless Numbers
With a large number of sediment transport equations claiming to be applicable within various ranges of hydraulic and sediment parameters, engineers are often faced with the dilemma of...

The Analysis of the Failure of the Minte Stream Culvert
A persistent and continuous rainfall that lasted for more than 30 hours on May 6?7, 1995, caused the sudden failure of an embank ment on the main road between Puerto Varas and Ensenada,...

Measurements of Bridge-Scour Depths in Mississippi
This paper briefly summarizes 190 measured pier-scour depths collected dur ing 1942?94 at 22 selected bridges in Mississippi and presents an envelope-curve equation for the data. The envelope-curve...

Scour-Hole Dimensions at Selected Bridge Piers in New York
Knowledge of scour-hole dimensions can be used by bridge engineers to deter mine the extent of countermeasures needed to prevent scour at bridge piers. Scour-hole widths at 128 piers,...

Appropriate Technology for Sustainable Development
The inventiveness of the 20th century is forcing engineers (and others) to look at the multitude of technology options available, to develop criteria and methods for evaluating each option?and...

Professional Associations Offer Design Resources for Civil Engineers
A civil engineer is trained academically and professionally to meet the challenges and solve the problems of ever expanding world populations. With an increased demand for civil engineers...

Suspended-Solids Flux at a Shallow-Water Site in South San Francisco Bay, California
Time series measurements of current velocity and suspended solids-concentration (SSC) made during December 1993 and March 1994 at a shallow-water site in South San Francisco Bay were used...

The Management Improvement Program: A Model to Improve the Performance of Irrigated Agriculture
In 1991, the USDA-Agricultural Research Service U. S. Water Conservation Laboratory (USWCL) and a coalition of federal, state, and county agencies initiated a project to develop and test...

Current Status of the Demonstration Management Improvement Program
Coordinated resource management programs have been developed and implemented in the Maricopa-Stanfleld Irrigation and Drainage District (MSIDD) area as a result of the Management Improvement...

The Management Improvement Program: An Irrigation District's Perspective of the Demonstration Program
In November 1990, the Maricopa-Stanfield Irrigation and Drainage District agreed to participate in the first application of the Management Improvement Program (MIP) for irrigated agriculture....

Integrated Resources Management for Irrigated Agriculture: Practical Lessons in Water Management and Conservation from the Arizona Management Improvement Program
In Arizona, the interagency Management Improvement Program (MIP) is an effective water resources planning method where a large number of people and several levels of agencies or government...

United States Bureau of Reclamation (USBR) Perspectives on the Management Improvement Program As a Vehicle for Integrated Resource Planning
The USBR's Lower Colorado Regional Office (LCR) in Boulder City, Nevada, co-sponsored the first application of the Management Improvement Program (MIP) in an irrigation district...

 

 

 

 

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