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Urban Runoff Toxicity
Toxicity is controlled by the magnitude/concentration of the contaminant produced in an exposure, the duration of the exposure, and the frequency with which exposures are repeated. When...

Cost-Effective Risk-Based In Situ Bioremediation Design
(No paper) Risk-based corrective action (RBCA) is rapidly becoming the method of choice for remediating contaminated groundwater sites, particularly for contaminants such as petroleum...

A Risk-Based Approach to Subsurface NORM Disposal
(No paper) Naturally occurring radioactive materials (NORM) has become an environmental concern for the petroleum industry. NORM scales results when naturally occurring radium co-precipitates...

Risk-Based Corrective Measures for Waste Management Facility Closure
(No paper) In the past several years, risked-based corrective measure has been gradually accepted by federal and state agencies as a standard practice for site remediation or site closure....

Coordinating the Shared Use of Transboundary Water Resources
(No paper) This presentation discusses an ASCE effort to standardize the shared use of transboundary water resources....

Resolving the Water Wars: The Compacts Between Alabama, Florida, and Georgia
(No paper) Several water supply proposals on behalf of Georgia have caused a water rights ?war? which pits Alabama and Florida against Georgia in the Apalachicola, Chattahoochee, and Flint...

Watershed and Reservoir Response Models for the Occoquan Reservoir
(No paper) The Occoquan Reservoir serves as a primary water supply for over 800,000 Virginians in the Washington (DC) Metropolitan area. The Occoquan Watershed is approximately 560 square...

Estimation of Peak Flood Discharge for Halilrood Basin, Iran
The peak flood discharge from catchments is one of important information needed for the planning of the water resources projects. In many cases long term data of annual runoff are not...

Basin Response Time: Potential Hydrologic Basin Handprint
Hydrologic lead time is an important factor in many water resources engineering applications. The determination of the response time of a watershed to runoff-producing rainfall is the...

A Decision Support System for Assisting Operation of Artificial Recharge Systems
A series of simulation and optimization models analyzing artificial recharge systems have been linked within a decision support system (DSS) with a graphical interface. The model includes...

Creating Personal Experiences in a Technical World: The Oaxaca Exchange Program
This paper describes the process of formation of this exchange program, results of the first exchange visit, and suggestions for creating similar programs between different groups and...

A Review of Established Water Markets and Quasi-Water Markets
This presentation provides a review of established institutional mechanisms which regulate the transfer of water withdrawal rights. Each method of water rights transfer is evaluated in...

Integration of SWMM and ARCVIEW GIS for Interactive Decision Support
(No paper) This paper covers the integration of the EPA SWMM runoff model and ESRI's ArcView GIS for utilization by the City of Phoenix for decision support concerning land use changes...

A GIS-Based Interactive Decision Making Tool for Watershed Management
(No paper) BASINS?Better Assessment Science Integrating Point and Nonpoint Sources, a geographical information system- (GIS-) based tool developed and released by the US EPA, provides...

Traditional Engineering Takes a Turn for the Future Decommissioning Dams and Restoring Ecological Integrity
(No paper) This paper will address the emerging shift evaluating the true value of dams and the importance of including the costs of the initial construction and investments required for...

Impacts of CSO Swirl Concentrator on Dissolved Oxygen Concentrations in the Anacostia River
Purpose: To assess impacts of the CSO control, two continuous monitoring stations were located upstream and downstream from the CSO outfall. The monitors recorded dissolved oxygen (DO),...

Theoretical and Empirical Implications of Increasing Block Rates
(No paper) The U.S. Army disposed chemical agents, laboratory materials, and unexploded ordnance at the O-Field landfill from before World War II until at least the 1950s. Soil, ground...

Interface and Data Management for Large Scale Optimization Models
(No paper) This paper presents ideas regarding how different groups of data can be stored and utilized, especially in the context of water resource policy discussions involving different...

Friction Factor Choice in Hydraulic Simulation Models: Does It Matter?
(no paper) To model water distribution systems using computer hydraulic simulation, a user is required to select a form of head loss-flow relationship for each pipe in the network. The...

Evaluation of Two-Species Model for Chlorine Decay and THM Formation under Rechlorination Conditions
(No paper) Typically, chlorine decay has been described by a first-order decay model. The first-order model, however, has two drawbacks: 1) the reactive species within the water is assumed...

 

 

 

 

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