Soil Moisture Monitoring Using a Portable Capacitance Probe
Accurate monitoring of soil moisture has long been in integral part of a successful agricultural management system. Water has increasingly become a valuable and much sought after natural...

Availability Analysis of Irrigation Systems for Improved Management
Availability of an irrigation system is defined as the ratio of time of successful system operation to total desired operation time. Operation is successful when the flow rate of water...

Water Penetration Manual for California Soils
Slow water penetration in irrigated soils is a complex problem of major importance in California's $18 billion agricultural industry. The Kearney Foundation of Soil Science chose to work...

Getting Along: The Geotech and the CM
The opinions of geotechnical engineers are usually respected within a consulting firm, but when such a specialist gets out in the field, he or she is seen as merely part of the backup...

Computer Scheduling and Construction Specs
As recently as the early 1980s, employing computers in critical path method (CPM) scheduling was a formidable decision demanding considerable commitment of time and resources by management....

Lead is a Four-Letter Word
New regulations and strict enforcement make it difficult and expensive to remove lead-laden coatings from steel structures. Lead-based primers and paints are not considered hazardous as...

Local Water, Local Control
Governments throughout the world are trying to improve the performance of publicly-owned and operated irrigation districts by turning operation and management of the districts over to...

A Solid Waste Solution
Burgeoning growth and diminishing landfill capacity have been propelling Broward County, Fla. toward a solid-waste crisis. The county, located along Florida's southeastern...

Pioneer Highway
The 1993 Outstanding Civil Engineering Achievement Award goes to the $490 million I-70 Glenwood Canyon in Colorado. The final link in Interstate 70 from Baltimore, Md. to Cove Fort, Utah,...

Closing the Loop
The 5.1 mi Cooper River Bridge, the longest in South Carolina, completes the I 526 Mark Clark Expressway around Charleston. It is a two-way, four-lane structure with the capability of...

London Linkage
Although it measures just 1.8 km, the Limehouse Link tunnel in London is both a complex engineering project and a gateway to urban renewal. The link is a $350 million highway tunnel connecting...

California Water Issues?Bay-Delta Hearings?Impacts on State Water Project
The State Water Resources Control Board's impending Decision 1630 is described along with its potentially substantial impacts on California's water supplies. Department of Water Resources...

Issues in Balancing Environmental Costs and Benefits in Water Resources Planning
Water projects differ in their physical and economic characteristics and their environmental impacts. Many environmental impacts are addressed through project design and these associated...

Establishing a Drought Reserve Policy for the Monterey Peninsula Water Management District
The Monterey Peninsula Water Management District was created by the California Legislature in 1977 for the purpose of developing an integrated management program for all of the water resources...

Regulatory Constraints on Vegetation Control in Channels, A Case Study of the Santa Ynez River, Santa Barbara County, California
The Santa Barbara County Flood Control and Water Conservation District has encountered difficulties in obtaining permits from state and federal agencies for vegetation control activities...

Regulatory Obstacles to Emergency Response, A Case Study of the Paint Fire, June 1990, Santa Barbara, California
After the Paint Fire of 1990, the Santa Barbara County Flood Control and Water Conservation District took several measures to prevent damage due to mudslides and floods from the burned...

Simulation of Rapid Reservoir Drawdown for Flood Control, Cowlitz Falls Project
The Cowlitz Falls Dam is a run-of-river project, currently under construction on the Cowlitz River in Washington State, 23 Km downstream from the town of Randle. The requirements for reservoir...

Fundamental Principles of Tidal Wetland Restoration
Recognition of the vital role of tidal wetlands for sustaining migratory bird life, for indigenous animal habitat, and for the fishery of contiguous waters has stimulated efforts to restore...

Is There a Future for Desalting in Meeting California's Water Needs?
This paper addresses the potential role of desalting reclaimed, brackish, and sea waters for use in meeting California's water needs. Brief descriptions of sources and costs are included....

Economic Costs to the State Water Project of Environmental Protection and Mitigation Measures
The State Water Project stores water in the Sierra Nevada for subsequent diversion from the Bay and Delta for use by millions of Californians. Project construction and operation have caused...

 

 

 

 

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