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Erosion

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erosion Coastal erosion is a national problem, with enormous economic and social consequences that affect all 30 states bordering the ocean or the Great Lakes. The geologic framework of the coastal region must be determined in order to understand the problems that must be addressed to maintain U.S. coastlines and to predict the effects of any mitigation or management plans.
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Items below are listed from most recently updated to least recently updated.

These are results 1 through 25 of 100 matches.

Research Project
National Assessment of Shoreline Change Project
Description: Beach erosion is a chronic problem along most open-ocean shores of the United States. As coastal populations continue to grow, and community infrastructures are threatened by erosion, there is increased demand for accurate information regarding past and present shoreline changes. There is also need for a comprehensive analysis of shoreline movement that is regionally consistent. To meet these national needs, the Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) is conducting an analysis of historical shoreline changes along open-ocean sandy shores of the conterminous United States and parts of Alaska and Hawaii. A primary goal of this work is to develop standardized methods for mapping and analyzing shoreline movement so that internally consistent updates can periodically be made to record shoreline erosion and accretion.
updated: 2004-07-21 pages include:

Publication
Coastal Classification Atlas - Northwestern Panhandle of Florida Coastal Classification Maps - St. Andrew Bay Entrance Channel to Perdido Pass
Description: A Coastal Classification Map describing local geomorphic features is the first step toward determining the hazard vulnerability of an area. The Coastal Classification Maps of the National Assessment of Coastal Change Project present ground conditions such as beach width, dune elevations, overwash potential, and density of development. In order to complete a hazard vulnerability assessment, that information must be integrated with other information, such as prior storm impacts and beach stability. The Coastal Classification Maps provide much of the basic information for such an assessment and represent a critical component of a storm-impact forecasting capability. This CD covers Northwest Panhandle of Florida Coastal Classification Maps from St. Andrew Bay Entrance Channel to Perdido Pass.
updated: 2004-06-22 pages include:

Research Project
National Assessment of Coastal Change Hazards
Description: The National Assessment of Coastal Change Hazards is a multi-year undertaking to identify and quantify the vulnerability of U.S. shorelines to coastal change hazards such as the effects of severe storms, sea-level rise, and shoreline erosion and retreat. It will continue to improve our understanding of processes that control these hazards, and will allow researchers to determine the probability of coastal change locally, regionally, and nationally. The Assessment will deliver these data and assessment findings about coastal vulnerability to coastal managers, other researchers, and the general public.
updated: 2004-06-10 pages include:

Publication
Printable Version - National Assessment of Shoreline Change: Part 1, Historical Shoreline Changes and Associated Coastal Land Loss Along the U.S. Gulf of Mexico - USGS Open File Report 2004-1043
Description: National Assessment of Shoreline Change: Part 1, Historical Shoreline Changes and Associated Coastal Land Loss Along the U.S. Gulf of Mexico is a 44-page, full-color discussion of historical shoreline change and coastal land loss along the U.S. Gulf of Mexico.
updated: 2004-04-14 pages include:

Publication
The National Assessment of Shoreline Change: A GIS Compilation of Vector Shorelines and Associated Shoreline Change Data for the U.S. Gulf of Mexico - USGS Open File Report 2004-1089
Description: The Coastal and Marine Geology Program of the U.S. Geological Survey has generated a comprehensive database of digital vector shorelines and shoreline change rates for the U.S. Gulf of Mexico. These data, which are presented herein, were compiled as part of the U.S. Geological Survey's National Assessment of Shoreline Change Project.
updated: 2004-04-14 pages include:

General Information
U.S. Geological Survey Open-File Report 2004-1021, Coastal Vulnerability Assessment of Olympic National Park to Sea-Level Rise, Title Page
Description: Coastal Vulnerability Assessment of Olympic National Park to Sea-Level Rise.
updated: 2004-04-05 pages include:

General Information
U.S. Geological Survey Open-File Report 2004-1020, COASTAL VULNERABILITY ASSESSMENT OF ASSATEAGUE ISLAND NATIONAL SEASHORE (ASIS) TO SEA-LEVEL RISE , Title Page
Description: Coastal Vulnerability Assessment of Assateague Island National Seashore to Sea-Level Rise .
updated: 2004-04-05 pages include:

Publication
Coastal Erosion of Southern Lake Michigan - USGS Fact Sheet
Description: Geological Survey studies the geologic processes at work in the Great Lakes region because they have direct bearing on the use, management, development, and preservation of the shoreline. It is important to understand how these processes shape our daily lives. About 15 percent of the United States' and 50 percent of Canada's population live along or near the 9,000-kilometer-long coastline of the Great Lakes. About 83 percent of the shoreline is privately-owned with property values as high as $10,000 per linear foot of lakefront.
updated: 2004-03-02 pages include:

Publication
Coastal Wetlands and Sediments of the San Francisco Bay System - USGS Fact Sheet
Description: San Francisco Bay has received much scientific attention over the years primarily because of regional questions regarding water quality and, more recently, geologic hazards, but very little is known about sediment distribution and movement on the floor of the Bay. The link between sediment accumulation in the Bay and processes that produce the staggering losses of wetlands acreage and continual channel filling is becoming better understood as U.S. Geological Survey scientists undertake new research of the region.
updated: 2004-03-02 pages include:

Publication
Effects of Major Storms on Pacific Islands - USGS Fact Sheet
Description: Tropical storms of various kinds are as much a depositional event as an erosional event. Much attention is given to the destructive aspects of major storms because of the loss of life and property, but little is known about their beneficial effects to coastal accretion. While we can usually measure and map the instantaneous effects of a tropical storm, we can only speculate about the long-term effects. Geologic mapping by the U.S. Geological Survey in areas prone to storm effects can give us opportunities to minimize losses by identifying locations most likely to suffer.
updated: 2004-03-02 pages include:

Publication
Evolution and History of Incised Valleys: The Mobile Bay Model - USGS Fact Sheet
Description: Incised valleys along the Gulf coast commonly result from rivers eroding rapidly in response to a fall in sea level. As sea level rises, sediments fill incised valleys and form nearshore elongated sandbodies such as barrier islands. These sandbodies can be potential sites for hard-mineral accumulations and are modern analogues to buried sands in the ancient rock record with high potential of being oil and gas reservoirs. Processes that formed residual sediment accumulations may also help to predict the outcome of man's erosion mitigation and wetland nourishment efforts. Today, the geologic imprint of incised valleys across the continental shelf provides evidence of sea-level change over the past 18,000 years.
updated: 2004-03-02 pages include:

Publication
High-Energy Storms Shape Puerto Rico - USGS Fact Sheet
Description: Geologists have known for many years that damage inflicted by hurricanes on coastal areas may be less important for the long-term evolution of a coast than the effects of less intense, but more frequent, storm events. Indeed, high-energy storms may be needed to maintain the health of delicate marine ecologies in the coastal environment. Marine geologists of the U.S. Geological Survey working in Puerto Rico are confident that the long-term effects of Hurricane Hugo on the coastal environment are minimal, though the economic damage was significant. Detailed oceanographic studies are needed to define the sediment budget of the nearshore areas of Puerto Rico and to provide baseline information for studying storm effects.
updated: 2004-03-02 pages include:

Publication
Hurricane Impacts on the Coastal Environment - USGS Fact Sheet
Description: In terms of insured losses, Hurricane Andrew is the most severe catastrophe in the Nation history. Prior to the arrival of Andrew, the U.S. Geological Survey (USGS), in cooperation with the Louisiana Geological Survey (LGS), acquired an extensive body of information and data on the behavior and long-term erosion of Louisiana barrier islands. As a result, we have a clear understanding of pre-storm conditions in this area; Andrew provided an opportunity to learn in detail the impact of a very large storm on Louisiana coastal environment.
updated: 2004-03-02 pages include:

Publication
The Lake Pontchartrain Basin: Louisiana's Troubled Urban Estuary - USGS Fact Sheet
Description: Scientific studies recently begun by the U.S. Geological Survey suggest that several key natural processes and human-induced environmental factors are directly affecting the health of the Lake Pontchartrain Basin, one of America's largest estuaries. An increased knowledge of the critical geologic and estuarine processes affecting the Basin is essential for its management, improving environmental conditions, and mitigating future problems in the region. Such baseline information is of immediate value to planners and decision makers involved in the task of reversing the Basin's environmental degradation and restoring its water and habitat qualities.
updated: 2004-03-02 pages include:

Publication
Monterey Bay Marine Sanctuary Geological Processes and Framework - USGS Fact Sheet
Description: The U.S. Geological Survey (USGS) will move its Pacific Marine Geology program to a new location at the University of California at Santa Cruz (UCSC) and we are excited about our role in the marine sciences community around Monterey Bay. There is much to learn in the region, not only as a result of new opportunities in the Marine Sanctuary, but also that knowledge gained here may be transferred to our studies of similar environments in other parts of the world.
updated: 2004-03-02 pages include:

Publication
Sand and Gravel Resources of Puerto Rico - USGS Fact Sheet
Description: The sand and gravel resources of Puerto Rico contribute significantly to the economy of the island as they are crucial ingredients in construction and recreation. Despite newly-imposed regulations prohibiting mining of beach sands, the strength of the associated underground economy is sufficiently strong to limit enforcement of the regulations. Consequently, beaches are eroding quickly causing significant damage to the environment and delicate ecosystems. New resources of sand and gravel would allow beaches to be nourished and construction activities to be supplied.
updated: 2004-03-02 pages include:

Publication
Seafloor Images Refine Petroleum Exploration Models - USGS Fact Sheet
Description: GLORIA mapping has shown that we need to think again about our conventional models for formation of deep-sea fans. Exploration for hydrocarbon accumulations in ancient fan environments may change dramatically as a consequence of our new understanding of deep-sea fan formation.
updated: 2004-03-02 pages include:

Publication
Coastal Classification Atlas - West-Central Florida Coastal Classification Maps - Anclote Key to Venice Inlet
Description: A Coastal Classification Map describing local geomorphic features is the first step toward determining the hazard vulnerability of an area. The Coastal Classification Maps of the National Assessment of Coastal Change Project present ground conditions such as beach width, dune elevations, overwash potential, and density of development. In order to complete a hazard vulnerability assessment, that information must be integrated with other information, such as prior storm impacts and beach stability. The Coastal Classification Maps provide much of the basic information for such an assessment and represent a critical component of a storm-impact forecasting capability. This web site covers West-Central Florida from Anclote Key to Venice Inlet.
updated: 2004-03-01 pages include:

Research Project
Coastal Classification Mapping Project
Description: A Coastal Classification Map describing local geomorphic features is the first step toward determining the hazard vulnerability of an area. The Coastal Classification Map series of the National Assessment of Coastal Change Project presents ground conditions such as beach width, dune elevations, overwash potential, and density of development. In order to complete a hazard vulnerability assessment, that information must be integrated with other information, such as prior storm impacts and beach stability.
updated: 2004-03-01 pages include:

Publication
Coastal Classification Atlas - Southwestern Florida Coastal Classification Maps - Venice Inlet to Cape Romano
Description: A Coastal Classification Map describing local geomorphic features is the first step toward determining the hazard vulnerability of an area. The Coastal Classification Maps of the National Assessment of Coastal Change Project present ground conditions such as beach width, dune elevations, overwash potential, and density of development. In order to complete a hazard vulnerability assessment, that information must be integrated with other information, such as prior storm impacts and beach stability. The Coastal Classification Maps provide much of the basic information for such an assessment and represent a critical component of a storm-impact forecasting capability. This web site covers Southwestern Florida from Venice Inlet to Cape Romano.
updated: 2004-03-01 pages include:

Publication
Coastal Classification Atlas - Eastern Panhandle of Florida Coastal Classification Maps - Lighthouse Point to St. Andrew Bay Entrance Channel
Description: A Coastal Classification Map describing local geomorphic features is the first step toward determining the hazard vulnerability of an area. The Coastal Classification Maps of the National Assessment of Coastal Change Project present ground conditions such as beach width, dune elevations, overwash potential, and density of development. In order to complete a hazard vulnerability assessment, that information must be integrated with other information, such as prior storm impacts and beach stability. The Coastal Classification Maps provide much of the basic information for such an assessment and represent a critical component of a storm-impact forecasting capability. This CD covers Eastern Panhandle of Florida Coastal Classification Maps from Lighthouse Point to the St. Andrew Bay Entrance Channel.
updated: 2004-03-01 pages include:

Publication
Maps Showing the Stratigraphic Framework of South Carolina's Long Bay from Little River to Winyah Bay
Description: South Carolina's Grand Strand is a heavily populated coastal region that supports a large tourism industry. Like most heavily developed coastal communities, the potential for property damage and lost revenues associated with coastal erosion and vulnerability to severe storms is of great concern. In response to these concerns, the US Geological Survey (USGS) and the South Carolina Sea Grant Consortium have chosen to focus upon the Grand Strand and immediately adjacent Long Bay as a portion of Phase II of the South Carolina/Georgia Coastal Erosion Study (SC/GCES).
updated: 2004-03-01 pages include:

General Information
U.S. Geological Survey Open-File Report 03-439, Coastal vulnerability Assessment of Fire Island (FIIS), to sea-level rise, Title Page
Description: Coastal Vulnerability Assessment of Fire Island National Seashore to Sea-Level Rise.
updated: 2004-02-27 pages include:

Map
U.S. Geological Survey Digital Data Series 79, >Coastal Erosion and Wetland Change in Louisiana:
Description: Coastal erosion and wetland change in Louisiana
updated: 2003-12-11 pages include:

Map
U.S. Geological Survey Open-File Report 02-233, Coastal Vulnerability Assessment of Cape Cod National Seashore to Sea-Level Rise, Title Page
Description: Coastal Vulnerability Assessment of Cape Cod National Seashore to Sea-Level Rise
updated: 2003-11-06 pages include:

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Coastal and Marine Geology Program > Online Science Resource Locator > Erosion