Quality Changes of River Rhine and Meuse Water Upon Basin Recharge in the Netherlands' Coastal Dunes: 30 Years of Experience
A wide spectrum of quality changes of river Rhine and Meuse water is presented, on a global scale after pre-treatment, dune infiltration and post-treatment. Attention is focussed on the...
Ground Water Recharge at United Water Conservation District, Ventura County, California
For more than 60 years United Water Conservation District and its predecessor district have recharged seven ground water basins in Ventura County, California with more than 2,100,000 acre...
Ground Water Recharge Through Excavated Basins
Excavated basins were used to bypass slowly permeable soils in the Southern High Plains and artificially recharge the Ogallala aquifer. Recharge rates with turbid playa water were as rapid...
An Approach to Quality-Orientated Management of Catchment Areas with Artificial Ground Water Recharge
In the Federal Republic of Germany the artificial ground water recharge is primarily used to replenish the ground water resources for municipal drinking water supply. Only in some cases...
Assessment of the Adequacy of the Ground Water Monitoring Program for Artificial Recharge of Aquifers in the Los Angeles Area, California
Artificial recharge of aquifers in the Central and West Coast ground water basins of Southern California is accomplished by the application of water, including reclaimed water, to spreading...
Artificial Recharge with Imported and Reclaimed Waters in Central and West Coast Basins of Los Angeles County
Since 1952 over 4,000,000 acre-feet of imported water and reclaimed waste water have been purchased to recharge the ground waters of the Central and West Coast Basins of Los Angeles County....
Ground Water Management: Los Angeles Coastal Plan
In the early 1950s sea water intrusion became a serious problem and led to adjudication of the ground waters and the construction of an injection barrier to sea water intrusion. The general...
Ground Water Recharge at the Orange County Water District
In the early part of the century, upstream diversions from the Santa Ana River were reducing the flows to Orange County resulting in less recharge to the Basin and increased pumping of...
Infiltration Maintenance in Recharge Facilities of Orange County Water District
The Orange County Water District manages the Orange County ground water basin in western Orange County. In the first 25 years of operation, the District made exclusive use of the Santa...
Ground Water Monitoring for Resource Management
Management of the ground water resources provided by the multi-layered aquifers underlying Orange County, California has required a new approach to ground water monitoring. The Orange...
City of Bakersfield 2800-Acre Ground Water Recharge Project
The City of Bakersfield situated on the Kern River in the southern San Joaquin Valley of California acquired many of the rights to the Kern River flows. The City has developed a 2800-acre...
Operation and Maintenance of Recharge Facilities
As part of its Water Resources Program, the Santa Clara Valley Water District manages the groundwater basins in Santa Clara County, California. The article describes the operations and...
Status and Experiences Made in the Artificial Recharge of Ground Water in the Federal Republic of Germany
With a rate of 72%, ground and spring water is the most important raw material for drinking water supply in the Federal Republic of Germany. Ground water, however, is not available everywhere...
Effects of the 1985 Earthquake in Lazaro Cardenas, Mich.
An account is presented of a geotechnical survey made shortly after the major earthquake of September 19, 1985 (magnitude 8. 1) at the industrial port of Lazaro Cardenas in the state of...
Earthquake Response of La Villita Dam
Due to the recent industrial and housing developments at the port of Lazaro Cardenas, located 13 km (8 miles) downstream of La Villita Dam, at the mouth of the Balsas River, the hazard...
Are the Soil Depositions in Mexico City Unique?
The answer clearly is: YES| However, the amplification and soil-structure interaction effects observed in Mexico City are important considerations - even if they may not be so severe -in...
Soil-Structure Interaction in Mexico City During the 1985 Earthquakes
The effects of the flexibility of the soil and the foundation on the seismic response of structures, by opposition to clear foundation failures, cannot be easily identified from a simple...
Behavior of Reinforced Concrete Framing Systems
On September 19, 1985, Mexico City was hit by what is believed to have been the most damaging earthquake in its recorded history. In this report, a ground motion recorded in the severely...
Emergency Regulations and the New Building Code
The 1942 Federal District Building Code was crude and overoptimistic. The 1957 earthquake prompted the drafting of emergency regulations, modern and more realistic. They evolved into the...
Radon at Home
Radon-222 is a radioactive gas that is present in all homes and found in several million homes in the U.S. at levels that have medical experts concerned about its potential to cause lung...
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