Design and Operation of Belt Filter Presses
This report summarizes the findings of a study performed to identify and concisely document improved design and operation procedures for belt filter presses for municipal sludge that have...

Coastal Management Problems in the United Kingdom
Five case-studies from the East coast of England illustrate some of the obstacles facing more enlightened coastal management in the United Kingdom. All the examples demonstrate unsatisfactory...

Sand Rights A Legal System to Protect The Shores of the Beach
The legal system of water rights in California is highly developed. So far, however, it has failed to recognize in any comprehensive fashion the importance of the sand which is transported...

Managing the Dunes and Wetlands of Norfolk, Va.
The Code of the City of Norfolk was amended in 1982 to establish a procedure for permitting and preservation of the city's saltmarshes and sand dunes. A Wetlands Board was...

Sand for Beach Nourishment in Lower Chesapeake Bay
The Virginia Institute of Marine Science designed and performed an inventory of the resources of sand in the southernmost portion of Chesapeake Bay. The primary purpose of the project...

A New Method for Effective Beach-Fill Design
Beach nourishment with sand fill has been extensively used to restore recessional beaches, but the success of this method has been variable due to a poor understanding of sediment dispersion...

Some Econological Observations on Coastal Plant Communities, of New York and New Jersey
The present study was conducted at three coastal sites, Fire Island, New York, Fort Tilden, New York, and Sandy Hook, New Jersey. Four plant communities, the salt marsh community, sand...

A Microcomputer System for Processing Analog Hydrologic Data
Microcomputer software was developed to digitize, filter, and view data from analog charts of gate operation and water level before being transmitted to a mainframe computer for data base...

State Space Approach to Flood Stage Estimation
A flood routing and stage prediction model is developed using the techniques of State Space and Kalman filtering. The governing equation is the physically based hydrologic method of flood...

Tidal Inlet Sand Transport in Rollover Pass, Texas
For Rollover Pass, which is a man-made, artificially stabilized tidal inlet located on the upper Gulf Coast of Texas, the magnitude of the net sand transport through the Pass was estimated...

Performance Prediction for Removal of Odorous Organics From Drinking Water by Adsorption
The authors address three questions: What do packed bed filters remove from suspension in water treatment plants? How do they accomplish this removal? How can this knowledge be used in...

Particles, Pretreatment, and Performance in Water Filtration
Relationships among raw water quality, pretreatment facilities, and the design of packed bed filters are presented and applied. The particle size, particle concentration, particle surface...

Thalweg Disposal: Demonstration of an Alternative
Disposal of dredged material in the main channel, or thalweg, is an alternative disposal option for maintenance dredging. The material dredged from the Upper Mississippi River is clean...

Offshore Dredging - Is it still Cost Effective for Beach Restoration?
Offshore dredging has been the source of sand for beach restoration in southeast Florida since Broward County constructed the first project in Pompano Beach in 1970. However, with increasing...

Efficiency of Capping Contaminated Dredged Material
The ability of capping with sand to chemically and biologically isolate contaminated dredged material was investigated using large scale (250 l) laboratory reactor units. Tissue analyses...

What is UNIX?
UNIX is an operating system that is able to run a variety of machines. While most other operating systems are designed to go with particular software, UNIX can be easily adapted to run...

Upgrading Water Filtration Plants
Adding or improving mixing, flocculation, and sedimentation devices, and changing filter media can significantly increase water filtration plant capacity. Water quality can often be improved...

Highway Applications of Geotextiles
The successful use of geotextiles on poor soils and water in highway subgrades and sideslopes is examined in this two-part article, In Lakeshore Resort Cuts Cost of Road Relocation with...

Barrier Islands: Should Engineers Interfere with Nature�
The pros and cons of barrier island development and protection are explored. Most coastal professionals think that pristine barrier islands probably ought not to be developed except under...

Tampa's Hookers Point AWT Plant Working Well
The Tampa, Florida advanced wastewater treatment plant is designed to remove a high degree of BOD suspended solids, nitrogen and phosphorous. Presently, the state has exempted the plant...

 

 

 

 

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