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A Probabilistic Approach to Estimate Design Parameters for Flood Control Projects
The purpose of this paper is to provide engineering consultants with an improved method to estimate design parameters for various return periods in rural areas. The proposed method combines...

Numerical Estimation of Macrodispersivities in Heterogeneous Self-similar Aquifers
Numerical simulations of contaminant transport in a stratified aquifer characterized by a self-similar distribution of hydraulic conductivity were performed. Macrodispersivities were calculated...

Additional Years of Record and Peak Discharge
The effect of additional years of stream gaging records is analyzed for stream gages in Nebraska. Frequency estimates are based on procedures outlined in Bulletin 17B, including skew coefficient...

Estimating Floodplain Limits for Complicated Hydrologic and Hydraulic Conditions
A new approach for estimating floodplain limits is shown. A hydraulic model with flood routing capabilities is coupled with a hydrologic model to compute river stages. Simulations are...

Technology Transfer to Developing Countries
The author describes three types of technology transfer programs that have been found to be effective in hydraulic engineering and other engineering disciplines and cites examples of how...

Probabilistic Calculation of Design Floods?SPEED
The probabilistic calculation of design floods was initiated in the 60s to overcome statistical calculation uncertainties. SPEED takes up and expands this original concept in the form...

Stormwater Infiltration Design Based on Rainfall Statistics and Soil Hydraulics
When comparing stormwater infiltration with other methods for stormwater drainage an appropriate design procedure is necessary. The method proposed for future Danish guidelines is based...

Design and Analysis of an Irrigation Pond Using Urban Stormwater Runoff
Stormwater held in detention ponds can be reused for irrigation. A simulation of a mass balance on pond storage volume using rainfall and evaporation data for selected areas is presented...

Streamflow Forecasting for the Bradley Lake Project
The National Weather Service (NWS) uses a suite of software called NWS River Forecast System (NWSRFS) for operational river stage and streamflow forecasting. NWSRFS is a modular system...

Next Generation HEC Catchment Modeling
The Hydrologic Engineering Center (HEC) is developing next generation computer models to replace those in current use. The next generation Hydrologic Modeling System (HEC-HMS) is an object...

Model Structure Validation in Groundwater Modeling
Structure equivalence models (SEM), a new concept in groundwater modeling, have been developed to assist in groundwater planning and management. Using SEM, the engineer is able to satisfy...

Sacramento Drainage Manual?Hydrologic Procedures
For a period of over two years, HDR Engineering, Inc. (HDR) and HYDMET have been working with the City and County of Sacramento to develop a Drainage Manual. This Manual contains seven...

Sacramento Hydrologic Procedures Interim Adoption
In November 1989, the County and City of Sacramento jointly undertook the development of a manual for the design of drainage and flood control facilities in the region. Significant technical...

Linear Pertubation Model: An Application to Tanzanian Catchments
Floods are still a problem to many countries in the world todate. Floods do cause damage to property and sometimes loss to human life. Flood control measures by structural and non-structural...

Large Flood Plains Modeling by a Cell Scheme: Application to the Pantanal of Mato Grosso
The computational modeling of large flood plains presents difficulties related to the mathematical approach of the phenomenon and also to the discretization of the area under study. In...

A Frost Protection Design for Fruit Trees in Southwest Colorado
The project explores the feasibility of producing commercial quantities of fruit in the high and arid environment of Southwestern Colorado by using low-volume water delivery systems for...

Computerized Irrigation Project Earthwork Design
A procedure was developed to perform earthwork optimization and land-leveling design for irrigation projects using aerial photogrammetry, a microcomputer and civil engineering computer...

A Framework for Integrating NPS Pollution Prevention and Optimal Perennial Groundwater Yield Planning
Water management agencies are responsible for protecting and guaranteeing the sustained availability of groundwater of adequate quality. The presented procedure helps determine water Best...

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...

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....

 

 

 

 

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