Westlake Farms Demonstration Wetlands A Cooperative Effort
This paper describes the process for establishing a wetlands complex to evaluate environmental issues that could not be answered without the operation of a large demonstration project....
Agroforestry as a Method of Salt and Selenium Management on Irrigated Land in the San Joaquin Valley
Since 1985, several San Joaquin Valley growers, with the support of State and federal agencies, have attempted to manage salt and selenium using agroforestry. Numerous studies and research...
Water Quality Improvement Program in Ventura County at Port Hueneme
Integrated resource planning (IRP) has been used successfully by several larger water utilities to resolve complex water supply issues. This paper describes the experience of a smaller...
Evaluation of Dormant Season Evapotranspiration
Water use during the dormant season is often considered to be insignificant in terms of the total water balance. Evapotranspiration was measured over three fields with different crop covers...
Simulating Evapotranspiration on Semi-Arid Rangelands
Detailed simulations of the surface energy balance using the Simultaneous Heat and Water (SHAW) model were compared with measurements collected at the Reynolds Creek Experimental Watershed...
State of Delaware-Scour Evaluation Program
The Delaware Department of Transportation (DelDOT) is evaluating the potential for scour at bridges which have a National Bridge Inventory (NBI)-Item 113 Code Rating of 6 (scour susceptible)....
Arizona Local Government Bridge Scour Evaluation Study
The Federal Highway Administration has mandated that the scour susceptibility of existing bridges over waterways and open to the travelling public be evaluated. With large numbers of highway...
The Scour at Bridges Management Program in Rhode Island
The Rhode Island Department of Transportation (RIDOT) has developed and implemented a comprehensive two-phase scour susceptibility program for screening and assessment of scour at bridges....
Training for Bridge Inspectors in Stream Stability and Scour
The Federal Highway Administration (FHWA) is now requiring a comprehensive evaluation of bridge scour as part of the National Bridge Inspection Standards (NBIS). FHWA has established January...
Hydraulic Studies for a Large Wetland
Coastal wetlands are highly biologically productive and provide spawning and feeding habitats for many aquatic organisms. As has happened to freshwater wetlands, about half of the tidal...
Feasibility of Modeling Phosphorus Dynamics in Stormwater Wetlands
This research, underway at the University of Guelphs School of Engineering, studies the feasibility of modeling phosphorus assimilative capacity by stormwater wetlands in cold climates....
Habitat Preservation and Enhancement Associated with San Diego Creek Flood Control Channel Improvement
San Diego Creek, an important regional flood control channel in southern Orange County, California, flows 2.4 kilometers through the mixed-use areas of Irvine Center (San Diego Freeway...
Santa Ana River Salt Marsh Restoration: Orange County, California, U.S.A.
As part of the All-River Plan of the Santa Aria River, the 92 acre Santa Ana River Marsh (Marsh) was constructed at the Pacific Ocean outlet in Orange County, California. This project...
Denitrification of Ground Water/Waste Water using the Aquacel System
Within the United States there are vast reserves of ground water which are no longer suitable for drinking because of high concentration (> 10 mg/l NO3-N) nitrates. Furthermore,...
Treatment of Wet Weather Discharges in Columbus, Georgia
The City of Columbus, Georgia and the Columbus Water Works (CWW) instigated a combined sewer overflow (CS 0) control program to protect the Chattahoochee River against adverse impacts...
Grade-Control Structures for Salt River Channelization
Soil cement grade-control structures have been designed and constructed in conjunction with channelization projects along the Salt River in Phoenix, Arizona. The structures were designed...
Drought Experiences of Ohio and Their Applications in the DAR-JAI River Basin of Taiwan
The shortage of water due to droughts could cause tremendous environmental and economical impacts to the affected area such as the unsuitability for aquatic life and the inadequacy for...
The Reclamation Drought Index: Guidelines and Practical Applications
Drought is a familiar occurrence that lacks the drama and immediacy of other natural disasters such as hurricanes, floods, and earthquakes, but the economic repercussions can be equally...
Dynamic vs. Quasi-Static Effluent Limits
Selenium water quality objectives are currently being exceeded in the San Joaquin River, California due to agricultural subsurface drainage discharges. The Federal Clean Water Act requires...
Sources and Circulation of Salt in the San Joaquin River Basin
Historical data and a water quality model were used to quantify the sources of salt, boron and selenium in the lower San Joaquin River (SJR) basin, California. Mean monthly data for sources...
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