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Control of Water Distribution Systems: Program Descriptions
The paper describes the operation and features of a suite of computer applications programs. These have been developed within the Leicester Polytechnic Water Control Unit for analysis,...

Development of an Optimal Water Supply System for London
The Thames Water Authority has developed an integrated strategy for providing water supplies to London into the 21st Century. At the core of this strategy is the construction of over 60...

Computerized Operation of Water and Urban Networks: From Digital Mapping to Integrated Information Systems
Advances in computer hardware and software have provided the opportunity for development of powerful technical information systems (TIS) for municipal water supply and distribution services....

Experience With a Water Distribution System Model
The City of Santa Cruz has a water distribution system covering approximately 30 square miles (78 km²) and serving 75,000 people. The population...

Graphical Canal Model for System Operators and Planners
Contra Costa Water District operates the Contra Costa Canal, part of California's Central Valley Project. Hydrocomp, Inc. developed an interactive graphical model of the canal...

Simulation Model for Economic Irrigation Project Planning and Design
The principle design parameters considered are: water supply configurations (quantity, source and storage); shapes and sizes of the area to be served; on-farm irrigation techniques; cropping...

IRSIS, A Software Package for Irrigation Scheduling
IRSIS (IRrigation Scheduling Information System) has been developed to solve problems concerning irrigation scheduling at field level. For a given climate, crop and field it offers the...

Hydrologic and Institutional Water Availability
A simulation study was performed to evaluate the amount of water which can be supplied by a system of 12 reservoirs located in the Brazos River Basin. The generalized computer models HEC-3...

Water Quality Management During Low-Flow Periods: A Systems Analysis Approach
Water quality objectives may require water managers to consider deviations from original project purposes to provide downstream water quality maintenance during low-flow periods. The decision...

The Los Vaqueros Model: A Microcomputer-Based Reservoir Planning System
This paper describes the development and application of a set of microcomputer models for the evaluation of a complex water resources project. The Los Vaqueros Model includes components...

Storms and the Occurrence of a Turbidity Interface/Maxima in a Fresh Water Estuary
A combination of Landsat, field data and modeling analyses reveals a turbidity interface/maxima in the lower reaches of a freshwater tributary or 'estuary.' Mode...

100 Years of Sedimentation Study by the USGS
On January 15, 1889, the U.S. Geological Survey began collecting sediment data on the Rio Grande at Embudo, New Mexico. During the past 100 years the U.S. Geological Survey's...

History of the Federal Interagency Sedimentation Project
Since 1939, the date of the Project's inception, the team has operated under the direction of two lead agencies - the U.S. Geological Survey and U.S. Army Corps of Engineers....

Erosion and Sedimentation Research in ARS
The paper presents a brief history of the growth of the erosion and sedimentation research program in the Agricultural Research Service of the U.S. Department of Agriculture. Subjects...

Applications and Research in Sediment Delivery and Routing Models in the USDA-Forest Service
Sediment delivery and routing are important watershed management issues in the USDA-Forest Service. The relationship between forest management activities and stream morphology, resident...

Lessons from Ten Years Experience in 2D Sediment Modeling
The purpose of this paper is to share some of the lessons learned from the experience of the Hydraulics Lab Estuaries Division (WESHE) in applying two-dimensional (2D) numerical models...

Relationship Between Channel Migration and Radius of Curvature on the Red River
The system behavior of meanders was investigated on the Red River between Shreveport, LA, and Index, AR. The effects of plan form geometry (r/w) and erodibility of bank material on the...

River Training Works in Gezhouba Project on the Yangtze
A great number of research results of the river regime planning and river training work in Gezhouba Project on the Yangtze are described together with their application in the Project....

Daily Suspended Sediment Model for Water Resources Management
A daily model of streamflow and suspended sediment (SS) concentrations has been developed to analyze daily suspended sediment records from tributary basins. The model provides a method...

Criteria for a Sediment Data Set
The transport of sediment through a hydrologic system or basin is an extremely complex phenomenon. Many factors affect this movement. Criteria are established for an 'ultimate' or complete...

 

 

 

 

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