Mount St. Helens Recovery Project
Work began immediately after the eruption of Mount St. Helens to restore Columbia River navigation, provide 100 year flood protection for the downstream communities located along the Cowlitz...
Water Quality Model of the Chicago Waterway
In 1992, the Metropolitan Water Reclamation District of Greater Chicago (the District) developed a QUAL2E water quality model of the Chicago waterway and Upper Illinois waterway. The model...
Simulation of Water Quality Processes in the Chicago Waterway and Upper Illinois River Systems
The U.S. Environmental Protection Agency QUAL2E-UNCAS (QUAL2EU) computer program was used to simulate the water quality processes in the Chicago waterway and Upper Illinois River Systems....
Reliability-Based Assessment of Navigation Structures
In 1989, the Director of Civil Works, U.S. Army Corps of Engineers (HQUSACE), requested regional assessments of the future modernization needs of Corps Divisions with significant inland...
Optimization of a Maintenance Station Network
This report is about a method for optimizing maintenance station and storage networks for maintenance of various traffic channels like streets, roads and sea channels. The results that...
Managing a Bridge Program for Scour
Recent events have focused national attention on the need for States to implement a managed program to determine the scour vulnerability of each of its bridges. Since 85% of all bridges...
Free the Elwha|
The Elwha River flows northward from the middle of Washington's Olympic Peninsula to the Strait of Juan de Fuca. As a coastal river basin, it was once home to all five species of Pacific...
Crevasses on the Lower Course of the Mississippi River
Before construction of artificial levees, crevasses were a common event along the Mississippi River. They directed sediment out of the main channel and reduced flood stage down river....
Evaluation of Dissolved Oxygen and Nutrient Trends in the Houston Ship Channel from Historical Statewide Monitoring Data
Dissolved oxygen and selected nutrient trends in the Houston Ship Channels (Texas Water Commission (TWC) segments 1007, 1006 and 1005) during the period of 1969 through 1990 were evaluated...
Integration of Remote Sensing, GIS, and GPS Techniques for Monitoring Non-hazardous Oilfield Waste (NOW) Pits in Coastal Louisiana
Non-hazardous Oilfield Waste (NOW) pits exist throughout Louisiana's coastal zone. Though labeled 'non-hazardous,' NOW pits are potentially dangerous to human and environmental interests...
Sedimentation Patterns of a Restored Tidal Wetland
Coyote Slough Lagoon was flooded as part of a local mitigation project in 1986. The design of the restored marsh included peninsulas to break up the local fetch and resulted in the development...
The Dredging Research Program of the US Army Corps of Engineers
The Corps of Engineers Dredging Research Program (DRP) was established in Fiscal Year 1988 as a seven-year program with the objective of developing products that reduce the cost of dredging...
An Advanced Photogrammetric System as a Metric Information Collection Tool in Coastal Management
The advanced photogrammetric information collection system described in this paper consists of two subsystems: the data acquisition or the photographic subsystem, and the date mensuration...
Environmental Impacts of Small Boat Navigation: Vessel/Sediment Interactions and Management Implications
It is the intent of this review and discussions to provide state-of-the-art information on one aspect of the issue of environmental impacts associated with small boat navigation, that...
The Napeague Dunes, Long Island, NY
The Napeague Dunes of eastern Long Island, N.Y., consist of a series of three migrating parabolic dunes. The area presently occupied by this system was formerly a 2.7 Km wide inlet following...
Historical Atlas of Tidal Creeks, San Francisco Bay, California
Historic widths and depths of 69 major tidal creeks in San Francisco Bay were studied from maps dated from 1852 to the 1980's. Survey maps by the U.S. Coast Survey (and successors, U.S....
Origin, Development and Stratigraphy of Tidal Deltas at Hurricane Pass, Pinellas County, Florida?An Example of Modern Tidal Delta Architecture from a Microtidal Coast
Sequential analysis of aerial photographs taken between 1926 and 1990 have helped to define the morphological development of the tidal deltas at Hurricane Pass, and along with other historical...
Physical Modeling of Barbers Point Harbor
Physical modeling is a practical tool in the design of coastal projects. A physical model of Barbers Point Harbor located on the island of Oahu, Hawaii was constructed so that different...
Challenges Associated with Metriciation of the Nautical Chart
Under the Metric conversion Act of 1975, Omnibus Trade and Competitiveness Act of 1988, and Executive Order 12770 of 1991 all federal agencies are required to convert to the international...
Defining the Safe Navigable Depth of the Calcasieu River Ship Channel, Louisiana
Field research conducted in the Calcasieu River Ship Channel in Louisiana is described and some results of correlations between the echo sounder records and density measurements are presented....
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