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Research to Application: Network Models to Simulate Flow and Transport in Heterogeneous Media
Effective groundwater cleanup requires accurate site-specific information on cleanup processes. Numerical simulations limit the need for expensive field experiments and provide details...

Development of Remediation Technologies Simulators
This paper summarizes on.going efforts to develop software for simulating various in situ, subsurface remediation technologies to improve remediation selection, design, and operation....

Coping with EPA's Storm Water Permit for Hazardous Waste Facilities, Industrial Landfills, Wastewater Treatment Plants, and Recyclers
The Environmental Protection Agency (EPA) has released NPDES storm water monitoring data from group applicants. This paper will analyze that data to determine which pollutants are present...

ASR Case Study?City of Salem, Oregon
The City of Salem, Oregon is developing an Aquifer Storage and Recovery (ASR) system to provide a 20 mgd capacity, 440 mg volume, emergency storage and peak day supplementary supply. When...

An Appropriate Technology to Treat Domestic Sewage
Various alternative wastewater treatment systems (AWWTS) are outlined and attention is drawn to a low cost sustainable wastewater treatment system that has been functioning satisfactorily...

San Diego County Water Authority's Emergency Storage Project: A Major Planning Achievement
The San Diego County Water Authority (Authority) has been actively working to maximize the security of the future water needs of the community it serves. The Emergency Storage Project...

Recreational Impoundments Retrofit of Existing and Design of New Facilities
Water has been a critical component of most human endeavors, and its value as a recreational amenity is well-known. An increasing number of recreational impoundments are being considered...

Construction of Performance Contours on the Storage-Yield Plane of a Within-Year Reservoir System
The reservoir storage-reliability-yield (S-R-Y) relationships developed in the past have considered only the probability of failure to meet the target requirements, but not the likely...

Appropriate Sanitation Technology Advisor: A Planner's Tool in Less Developed Countries
The goal of the expert system (ES) prototype described in this paper is to create an advising method for planners, engineers and officials in Less-Developed Countries (LDCs) to utilize...

Implementing a Successful Conjunctive Use Program
Over the past decade, water planners have come to the agreement that conjunctive use is a good strategy to help meet present and ftiture water needs. Storing water underground has many...

An Introduction to Taipei Suburban Sewage Collection and Treatment Systems
Taipei Suburban Sewerage System covers the lower Tansui River Basin located in Northern Taiwan The planning area (excluding Municipality of Taipei) consists of 14 township in Taipei County...

Water Quality Enhancement Using Subsurface Detention
While underground detention systems have gained wide acceptance in the quantitative treatment of stormwater runoff, the potential exists for substantial water quality improvement. Although...

Simulation of Catchment Response Using RC Network
This paper describes a simple physically-based distributed parameter hydrologic model of catchment response using a network of capacitors and resistors. The effect of topography is modeled...

Optimization Modeling of Complex Surface Water Collection Systems
The New York City (NYC) water supply system is currently being modeled using Linear Programming (LP) optimization techniques. A series of simulations were performed to investigate the...

Resolution of the ACT-ACF Water dispute with a Federal-State Partnership
A Comprehensive Water Resources Study, conducted in partnership with the States of Alabama, Georgia and Florida and the U.S. Army Corps of Engineers (Corps), represents an innovative approach...

Eastern San Joaquin County Groundwater Resource Planning Model Development and Calibration
An Integrated Groundwater Surface Water Model (IGSM) has been developed for the Eastern San Joaquin County in the Central Valley of California to evaluate the future water resources management...

Waste of Water Is Costly. Why Not Use an Accurate Flow Monitoring System?
Water becomes more and more a precious good. Therefore the exact measurement of flow of water, the management of water and process control in connection with water will become more and...

Wetland Designs for Environmental Protection?Application in India
In many developing countries raw sewage are discharged into rivers and lakes. This practice causes severe degradation of regional water quality, and often results in serious public health...

Near Field Modeling
Results of near field modeling of the wastefield formed by the Sand Island, Honolulu, ocean sewage outfall are presented. Over 20,000 simulations were run with the mathematical model RSB...

Flood Risk Management: New Concepts for an Objective Negotiation
It has been tested in a real situation like the Bourbre catch ment, a Rhone tributary in the Isere department, not far from Lyon (France). This catchment is 700 km large, the river is...

 

 

 

 

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