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...

Environmental Restoration and Management of the Tres Rios Demonstration Constructed Wetland Project: Mosquito Monitoring, Control and Management Efforts
(No paper) The Tres Rios Demonstration Constructed Wetland Project in Phoenix, Arizona, is providing valuable information on the role of constructed wetlands in ecosystem restoration,...

Selection of an Optimal Ecosystem Restoration Plan: Decision-Making Criteria in the Planning Process
(No paper) This paper explores various decision criteria for restoration projects and how they may be modeled with existing decision models. Cost-effectiveness, incremental cost analyses,...

The Tres Rios River Management Plan: The Result of Multi-Agency Partnering for Management and Restoration at the Confluence of the Salt, Gila and Aqua Fria Rivers
(No paper) The framework consists of a an Oversight Committee made up of Agency Department Heads, a Steering Committee comprised of local area Agency managers, and five Technical Committees:...

The Emergence of Spill Prevention Concerns for Water Resources
In Regions where water pollution control programs have succeeded in cleaning up our waters, spills from fixed installations and vessels, trucks and trains continue to represent a very...

Fuzzy Rule-Based Forecasting of Extreme Rainfall Probability Conditioned on Sea Surface Temperature
(No paper) The recent El Nino event demonstrated the importance of sea-surface temperature on rainfall anomalies. The purpose of this paper is to develop a methodology to forecast extreme...

Impacts of Global Climate Change upon a Regional Aquifer System in the Northeastern United States
(No paper) The Charles River Basin is a major water resource in eastern Massachusetts. It used for a variety of purposes including water supply, industrial cooling, waste disposal, flood...

Estimate of Economic Impacts of Climate Change upon US Water Resources Using Partial Equilibrium Modeling
(No paper) The use of the model is to determine the allocation of water between suppliers and consumers under present and future climates such that net economic benefits subject to regulatory...

Sheetflow Water Quality Monitoring Device: Results of Nine Month Field Testing
(No paper) The objective of this 30 month research project was to develop a sheetflow sampler for sampling highway runoff. The specific goals of this Small Business Innovation Research...

Adjustments to Short-Term Hydrologic Forecasts for Conceptual Models of Hydrologic Processes
(No paper) Real-time forecasting of streamflows is amorphous and multi-dimensional. Weather forecasts, which are synonymous in popular culture with uncertainty, are just one component...

Long-Term Streamflow Forecasting
(No paper) Technology is creating major impacts on water management decisions dynamics. Today emerging technologies, such as satellite rely of hydrological and meteorological data, improvement...

Arizona Stream Navigability
(No paper) The State of Arizona is currently in the process of determining the ownership of the streambeds of watercourses within the state boundaries. Claims of ownership turn on whether...

Chaotic Slackwater: A Journey Into the Science of Chaos as a Means to Understanding the Parallels between How We Manage Our Organizations and Natural Ecosystems
(No paper) From the ice age to slackwater, the Columbia River continues to ebb and flow through our lives. This paper will explore the ebb and flow between natural and human ecosystems....

Title Transfer of U.S. Bureau of Reclamation Projects: Fact or Fiction
(No paper) The U.S. Bureau of Reclamation (Reclamation) has constructed hundreds of water storage and delivery projects throughout the 17 western United States. These projects vary in...

Using Indirect Potable Reuse to Provide New Water Supplies in Resource-Limited Regions
(No paper) Historically, water resources needed for potable use have been derived from readily-accessible surface and groundwater supplies of freshwater origin because such supplies can...

The City of Tempe, Arizona, Rio Salado Town Lake Groundwater Management Plan
(No paper) The City of Tempe's Rio Salado Project is a mixed-use economic development project located in the Salt River channel between McClintock Drive and Priest Drive in the City of...

Rising Water and Nitrate Levels within an Alluvial Aquifer near Phoenix, Arizona
(No paper) An analysis of water level data from more than a hundred water supply wells show that water levels have been rising at a considerable rate since 1980 in some portions of the...

Progress and Future Direction to Improve Arizona's Reclaimed Wastewater Reuse Program
(No paper) The Arizona Department of Environmental Quality (ADEQ) is undertaking a major revision of its reclaimed wastewater reuse program in response to recommendations made by a citizens...

Reclaimed Wastewater Reuse in Arizona: Status and Vision for the 21st Century
(No paper) The Arizona Department of Environmental Quality (ADEQ) regulates the reuse of reclaimed wastewater through the issuance of individual reuse permits to treatment plants and/or...

 

 

 

 

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