Hydrogeology and Irrigated Agriculture
A review of drainage problems and groundwater processes on the west side of the San Joaquin Valley (SJV), California, provides useful perspectives on hydrogeology and irrigated agriculture....

Spatial Decision Support System for River Basin Management
MODSIM is a generalized river basin network flow model designed to simultaneously assure that water resources are allocated according to physical, hydrogeological, and institutional/administrative...

Rain and Gray Water Reuse Systems: The Hazard of Legionaries Disease
The Legionaries Disease is being more and more diagnosed. This infectious disease occurs when humans come in contact with the aerosol of contaminated water. The body of knowledge is growing...

Application of Simulated Annealing for Integrated Urban Water Systems: Infrastructure, Treatment and Re-Use Optimization
Escalating costs in providing water supply, waste water and storm water infrastructure and community concerns over the environmental impact of water harvesting and effluent disposal, have...

Rediscovering the Lost City
Since 1994, Kenneth R. Wright, P.E., of Wright Water Engineers, in Denver, has been studying evidence of civil engineering at the ruins of Machu Picchu—an ancient Inca city in the Andes...

Tunnel with Vision
Two tunnel boring machines that are being used to bore a pair of 6.6 km long tunnels under the Westerschelde estuary in the southern Netherlands must dig through loose sand and sticky...

Tied by Water
Water utilities in the Puget Sound region of Washington State face strict water quality standards and increasing water demands. Because of the Endangered Species Act, they are also under...

Ancient Concept, Modern Context
For several centuries, Bibliotheca Alexandrina was the cultural center of the Western world. It was built by the heirs of Alexander the Great some 2,400 years ago and burned, some say...

The Sealing of a Massive Water Flow through Karstic Limestone

Use of Piles and Deep Well Pumping in Slide Stabilization

A Guide for Best Management Practice (BMP) Selection in Urban Developed Areas
With the ongoing NPDES Stormwater Permits, TMDL programs, and the increase in environmental awareness, many municipalities are challenged to address the relatively new concept of cleaning...

Returning to the Source
One hundred years ago, Las Vegas was a dry, dusty dot on the map with a population of only 100. The city grew up to become perhaps the gambling capital of the world, and more recently...

Application of Artificial Neural Networks for Ungauged Catchments Flood Prediction
The prediction of floods with acceptable accuracy is the most important step in designing flood control structures and operating flood damage mitigation projects. It is more difficult...

A GIS Model for Assessing the Impact of Increased Channel Discharges on Hydraulic Geometry
A GIS model is being developed that can be used to assess the impact of increased channel discharges on the hydraulic geometry of streams in the Powder River (structural) Basin in northeast...

Impact of Scaling Rule on Simulating the Transport of DNAPLs
Due to the pollutants from lots of industry sewage and organic solvents, they arelow solubility in water and hard to decompose in nature, didn.t treated adequately, itwill cause the ground...

International Boundary and Water Commission, United States and Mexico, United States Section
(Abstract Only) The International Boundary and Water Commission, United States and Mexico, is responsible for applying the boundary and water treaties between the United States and Mexico....

Preliminary Assessment of Bacteria Abundance in Rivers of the Pantanal Wetlands -- Brazil
Heterothrophic bacteria play an important role in the carbon flux of aquatic environments, specially in flooded areas, where they are considered to be a source of organic matter. They...

Water Yield Responses to High and Low Spatial Resolution Climate Change Scenarios in the Missouri River Basin
Water yield responses to two climate change scenarios of different spatial scales were compared. Responses were determined by applying the Soil and Water Assessment Tool (SWAT) hydrologic...

A Natural Approach
Before the Comprehensive Everglades Restoration Plan began, the Florida legislature established the Everglades Construction Project (ECP), a $708-million, 10-year program now being implemented...

Exploring All Options
To relieve environmental stress around the Tampa Bay area's existing groundwater wells, Tampa Bay Water—the regional water supplier—is implementing a Master Water Plan that...

 

 

 

 

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