Environmental Monitoring Systems?A Case Story?The Great Belt
The law passed by the Danish Parliament on the construction of a combined bridge and tunnel across the 18 km wide Great Belt, included an environmental design criteria. This has initiated...

Marine Minerals Investigation in the Mid-Pacific Area; An Example of State and Federal Government Cooperation
For the past six years, representatives of the Federal government and the State of Hawaii have joined together to investigate marine cobalt-rich manganese crust occurrences in the U. S....

Geological Assessment of Offshore Sand Deposits
The United States Atlantic and Gulf of Mexico continental shelf contains large numbers of surficial sand deposits. The search for sand resources for metropolitan construction and coastal...

A Reef Conservation Project Involving Sport Divers in Singapore
The limited extent of Singapore's territorial waters places almost all the area within the boundary of its harbours. This includes many of the fringing and patch reefs associated...

Studies on Meiofauna on Rio de Janeiro Coast, Brazil
This work presents a preliminary survey of the meiofauna groups and the distribution, abundance and temporal changes of the community at Praia Vermelha (Rio de Janeiro, Brazil), in July...

Recession of the Littoral Zone Cliffs of the Bristol Channel, U.K.
A recent investigation of the mass movement modified cliffs along the Bristol Channel coastline has been achieved by utilising ground survey data, historical and contemporary cartographic...

Late Quaternary (Pre-Holocene) Coastal Systems of New Jersey
The coastline and the area adjacent to the present shoreline of New Jersey has not been explored as intensely as the same region of neighboring states for pre-Holocene high sea level stillstands....

Monitoring of a Nearshore Disposal Mound at Silver Strand State Park
The migration of an underwater disposal berm constructed in December 1988 approximately six miles south of the entrance to San Diego Bay is investigated. The berm was composed of medium...

Integrated Photogrammetric and Geophysical Monitoring of Shoreline Instability in Littoral Cells in the Pacific Northwest, USA
Several factors have recently focused on the attention of government agencies, academic researchers, and the general public on coastal erosion and beach resource management in the Pacific...

Topographic Responses to the Construction of Large Port Structures on Oarai Coast
Large offshore breakwater and groins have been constructed at Oarai Port, Japan. As a result, the coast experienced significant topographic changes. In this paper, the responses of the...

Hydropower: Making Its Mark in North America
To discover what plans North American hydropower producers have for their hydroelectric resources in the 1990s, Hydro Review conducted a survey of leaders in the hydro generation industry...

Ground-Water Recharge from Streamflow Data, NW Florida
Annual base flows of streams draining Okaloosa County and adjacent areas in northwest Florida were determined through hydrograph separation and correlation techniques for purposes of evaluating...

The Effect of Channelization of R?o Puerto Nuevo on Ground-Water Levels in the San Juan Metropolitan Area, Puerto Rico
Channelization and concrete lining of the Rio Puerto Nuevo and its tributaries in the San Juan Metropolitan area has been proposed to control flooding in low lying areas adjacent to the...

A National Bridge Scour Data Collection Program
A study to collect and analyze field measurements of bridge scour is being conducted by the U.S. Geological Survey in cooperation with the Federal Highway Administration. The primary objective...

Introduction, and Analysis of Survey?Preliminary Report of Task Committee on Recommendations for Standards in Hydraulics
To help formulate its recommendations for future standardization of tasks in hydraulic engineering, the Task Committee conducted a survey of practicing engineers. This survey indicated...

Scientific Visualization Techniques Applied to Water Quality and Transport
Applying the advanced-computer technology available at the San Diego Supercomputer Center (SDSC), researchers from SDSC and the U.S. Geological Survey (USGS) simulated and visualized numerical...

Proposed Methodology to Update Embayment Sedimentation Data for TVA Reservoirs
The purpose of this paper is to evaluate the accuracy and usefulness of bathymetric data resulting from routine fisheries and aquatic biology hydroacoustic surveys in TVA reservoirs for...

Use of Electronic Microprocessor-Based Instrumentation by the U.S. Geological Survey for Hydrologic Data Collection
The U.S. Geological Survey is acquiring a new generation of field computers and communications software to support hydrologic data-collection at field locations. The new computer hardware...

Probabilistic Aspects of Hydroproject Maintenance
A survey of operation and maintenance personnel in the hydraulic structures sector was conducted to learn about the present maintenance approach and the perception of the probabilistic...

Determining the Optimum Level of Quality Management Effort
Quality management is an essential factor in construction project success. Determining the appropriate level of quality management effort remains a challenging managerial decision. A discussion...

 

 

 

 

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