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Items below are listed from most recently updated to least recently updated.

These are results 1 through 25 of 258 matches.

Publication
EAARL Topography - Vicksburg National Military Park 2008: Bare Earth

Description: This DVD contains Lidar-derived bare earth (BE) topography GIS datasets of the Vicksburg National Military Park in Mississipi. These datasets were acquired on March 6, 2008.
updated: 2009-12-01 pages include:

Publication
EAARL Topography - Vicksburg National Military Park 2007: First Surface

Description: This DVD contains Lidar-derived first surface (FS) topography GIS datasets of the Vicksburg National Military Park in Mississipi. These datasets were acquired on September 12, 2007.
updated: 2009-11-01 pages include:

General Information
WCMG Marine Facility Home Page

Description: Links to software downloads and documentation for YoNav and MudSeis systems used on Western Region Coastal and Marine Geology Team cruises.
updated: 2009-07-02 pages include:

Educational Materials
Tsunami and Earthquake Research at the USGS

Description: General information on how earthquakes generate tsunamis and summaries of tsunami research.
updated: 2009-06-10 pages include:

Research Project
USGS Northern Gulf of Mexico (NGOM)

Description: The goal of the USGS Northern Gulf of Mexico project is to understand the evolution of coastal ecosystems on the Northern Gulf Coast, the impact of human activities on these ecosystems, and the vulnerability of ecosystems and human communities to more frequent and more intense hurricanes in the future.
updated: 2009-05-28 pages include:

Map
National Seafloor Mapping and Characterization

Description: Images of the sea floor off the coasts of California, Hawaii, Florida, Mississippi, Alabama, Texas, Louisiana, and Washington; images of lake floor of Lake Michigan, Crater Lake, Lake Tahoe. Backscatter and swath bathymetry, regular and in 3-D view.
updated: 2009-05-11 pages include:

Publication
Coastal Change Along the Shore of Northeastern South Carolina: The South Carolina Coastal Erosion Study

Description: The U.S. Geological Survey, in cooperation with the South Carolina Sea Grant Consortium, conducted a 7-year, multi-disciplinary study of coastal erosion in northeastern South Carolina. The main objective was to understand the geologic and oceanographic processes that control sediment movement along the region's shoreline and thereby improve projections of coastal change. The study used high-resolution remote sensing and sampling techniques to define the geologic framework and assess historic shoreline change. Based on these findings, oceanographic-process studies and numerical modeling were carried out to determine the rates and directions of sediment transport along South Carolina's Grand Strand.
updated: 2009-05-01 pages include:

Research Project
Coastal Change Hazards: Hurricanes and Extreme Storms

Description: This project investigates the coastal impacts of hurricanes and extreme storms, such as Hurricanes Isabel (2003), Dennis (1999), Bonnie & Georges (1998), and winter storms, such as those associated with the 1997-98 El Ni�o.
updated: 2009-04-28 pages include:

Publication
Hurricane Ike: Observations and Analysis of Coastal Change

Description: Understanding storm-induced coastal change and forecasting these changes require knowledge of the physical processes associated with the storm and the geomorphology of the impacted coastline. The primary physical processes of interest are the wind field, storm surge, and wave climate. Not only does wind cause direct damage to structures along the coast, but it is ultimately responsible for much of the energy that is transferred to the ocean and expressed as storm surge, mean currents, and large waves. Waves and currents are the processes most responsible for moving sediments in the coastal zone during extreme storm events. Storm surge, the rise in water level due to the wind, barometric pressure, and other factors, allows both waves and currents to attack parts of the coast not normally exposed to those processes.
updated: 2009-04-07 pages include:

Publication
Open-File Report 2009-1029: Coastal processes study of Santa Barbara and Ventura Counties, California

Description: By Patrick L. Barnard, David L. Revell, Dan Hoover, Jon Warrick, John Brocatus, Amy E. Draut, Pete Dartnell, Edwin Elias, Neomi Mustain, Pat E. Hart, and Holly F. Ryan. The Santa Barbara littoral cell (SBLC) is a complex coastal system with significant management challenges. The coastline ranges broadly in exposure to wave energy, fluvial inputs, hard structures, and urbanization. Geologic influence (structural control) on coastline orientation exerts an important control on local beach behavior, with anthropogenic alterations and the episodic nature of sediment supply and transport also playing important roles.
updated: 2009-03-27 pages include:

Publication
Digital Data Series 72: 2000 Multibeam sonar survey of Crater Lake, Oregon - Data, GIS, images, and movies

Description: In the summer of 2000, the bottom of Crater Lake, Oregon was mapped. The effort was a cooperative effort between the U.S. Geological Survey's Pacific Seafloor Mapping Project, the National Park Service, and the Center for Coastal and Ocean Mapping at the University of New Hampshire. The team used a state-of-the-art multibeam sonar system to collect high-resolution bathymetry and calibrated, co-registered acoustic backscatter to support both biological and geological research in the area (aquatic biology, geochemistry, volcanic processes, etc). This survey collected over 16 million soundings and the resulting data portrays the bottom of Crater Lake at a spatial resolution of 2 meters. This CD-ROM is published for the scientific community, the general public, and as a teaching tool. The CD-ROM contains the raw multibeam bathymetry and backscatter data as well as an ArcExplorer 2.0 project for the scientific community to use in research. Computer-generated images and a fly-by movie allow any user to visualize the lake floor. Photographs and a QuickTime� movie of the helicopter operations shows how the multibeam survey took place and a list of Crater Lake publications and related websites can be used for further Crater Lake research and general interest.
updated: 2009-03-10 pages include:

Publication
EAARL Coastal Topography�Northeast Barrier Islands 2007: Bare Earth

Description: This DVD contains Lidar-derived bare earth (BE) topography GIS datasets of a portion of the northeast coastal barrier islands in New York and New Jersey. These datasets were acquired April 29-30 and May 15-16, 2007.
updated: 2009-03-01 pages include:

Publication
EAARL Coastal Topography - Northeast Barrier Islands 2007: First Surface

Description: This DVD contains Lidar-derived first surface (FS) topography GIS datasets of a portion of the northeast coastal barrier islands in New York and New Jersey. These datasets were acquired April 29-30 and May 15-16, 2007.
updated: 2009-03-01 pages include:

Publication
EAARL Topography-Colonial National Historical Park

Description: These Lidar-derived topography maps were produced as a collaborative effort between the U.S. Geological Survey (USGS) Coastal and Marine Geology Program, Florida Integrated Science Center (FISC) St. Petersburg, the National Park Service (NPS) Inventory and Monitoring Program, Northeast Coastal and Barrier Network, and the National Aeronautics and Space Administration (NASA), Wallops Flight Facility. One objective of this research is to create techniques to survey coral reefs, barrier islands, and various nearshore coastal environments for the purposes of geomorphic change studies, habitat mapping, ecological monitoring, change detection, and event assessment. As part of this project, data from an innovative instrument under development at the NASA Wallops Flight Facility, the NASA Experimental Airborne Advanced Research Lidar (EAARL) are being used. This sensor has the potential to make significant contributions in this realm for measuring subaerial and submarine topography wthin cross-environment surveys. High spectral resolution, water-column correction, and low costs were found to be key factors in providing accurate and affordable imagery to coastal resource managers.
updated: 2009-01-01 pages include:

Publication
ARCHIVE OF DIGITAL BOOMER AND CHIRP SEISMIC REFLECTION DATA COLLECTED DURING USGS CRUISES 01RCE05 AND 02RCE01 IN THE LOWER ATCHAFALAYA RIVER, MISSISSIPPI RIVER DELTA, AND OFFSHORE SOUTHEASTERN LOUISIANA, OCTOBER 23-30, 2001, AND AUGUST 18-19, 2002

Description: n October of 2001 and August of 2002, the U.S. Geological Survey conducted geophysical surveys of the Lower Atchafalaya River, the Mississippi River Delta, Barataria Bay, and the Gulf of Mexico south of East Timbalier Island, Louisiana. This report serves as an archive of unprocessed digital marine seismic reflection data, trackline maps, navigation files, observers' logbooks, GIS information, and formal FGDC metadata. In addition, a filtered and gained GIF image of each seismic profile is provided. Refer to the Acronyms page for expansion of acronyms and abbreviations used in this report.
updated: 2008-12-01 pages include:

Publication
EAARL Submerged Topography�U.S. Virgin Islands 2003

Description: This DVD contains Lidar-derived submerged topography GIS datasets of a portion of the U.S. Virgin Islands. These datasets were acquired on April 21, 23, and 30, May 2, and June 14 and 17, 2003.
updated: 2008-12-01 pages include:

Publication
EAARL Topography - Jean Lafitte National Historical Park and Preserve 2006

Description: This DVD contains Lidar-derived first surface (FS) and bare earth (BE) topography GIS datasets of Jean Lafitte National Historical Park and Preserve in Louisiana. These datasets were acquired on September 22, 2006.
updated: 2008-12-01 pages include:

Publication
EAARL Topography - Natchez Trace Parkway 2007: First Surface

Description: This DVD contains Lidar-derived first surface (FS) topography GIS datasets of a portion of the Natchez Trace Parkway in Mississipi. These datasets were acquired on September 14, 2007.
updated: 2008-12-01 pages include:

Publication
EAARL Coastal Topography�Fire Island National Seashore 2007

Description: This DVD contains Lidar-derived first surface (FS) and bare earth (BE) topography GIS datasets of Fire Island National Seashore in New York. These datasets were acquired on April 29-30 and May 15-16, 2007.
updated: 2008-12-01 pages include:

Publication
EAARL Coastal Topography�Sandy Hook 2007

Description: This DVD contains Lidar-derived bare earth (BE) and first surface (FS) topography GIS datasets of the Gateway National Recreation Area's Sandy Hook Unit in New Jersey. These datasets were acquired on May 16, 2007.
updated: 2008-12-01 pages include:

Publication
Archive of Digitized Analog Boomer Seismic Reflection Data Collected from Lake Pontchartrain, Louisiana, to Mobile Bay, Alabama, During Cruises Onboard the R/V ERDA-1, June and August 1992

Description: In June and August of 1992, the U.S. Geological Survey (USGS) conducted geophysical surveys to investigate the shallow geologic framework from Lake Pontchartrain, Louisiana, to Mobile Bay, Alabama. This work was conducted onboard the Argonne National Laboratory�s R/V ERDA-1 as part of the Mississippi/Alabama Pollution Project. This report is part of a series to digitally archive the legacy analog data collected from the Mississippi-Alabama SHelf (MASH). The MASH data rescue project is a cooperative effort by the USGS and the Minerals Management Service (MMS).
updated: 2008-12-01 pages include:

Publication
USGS Data Series 265, Time-Series Photographs of the Sea Floor in Western Massachusetts Bay, Version 2, 1989 - 1996, USGS Data Series 265, Title Page

Description: This U.S. Geological Survey Data Series report presents time-series photographs of the sea floor obtained from an instrumented tripod deployed in western Massachusetts Bay (site LT-A, 42? 22.6' N., 70? 47.0' W., 32 m water depth) from December 1989 to October 1996. The photographs provide time-series observations of changes of the sea floor, near-bottom water turbidity, and life on the sea floor. The photographs, obtained every 4 or every 6 hours, are presented as individual photographs (in .png format) and as a movie (in .avi format).
updated: 2008-11-17 pages include:

Publication
USGS Data Series 266, Time-series photographs of the sea floor in western Massachusetts Bay, 1996 - 2005 Title Page

Publication
USGS Open-File Report 2004-1358

Description: The northern Gulf of Mexico contains many documented gas hydrate deposits near the sea floor. Although gas hydrate often is present in shallow subbottom sediment, the extent of hydrate occurrence deeper than 10 meters below sea floor in basins away from vents and other surface expressions is unknown. We obtained giant piston cores, box cores, and gravity cores and performed heat-flow analyses to study these shallow gas hydrate deposits aboard the RV Marion Dufresne in July 2002. This report presents measurements and interpretations from that cruise. Our results confirm the presence of gas hydrate in vent-related sediments near the sea bed. The presence of gas hydrate near the vents is governed by the complex interaction of regional and local factors, including heat flow, fluid flow, faults, pore-water salinity, gas concentrations, and sediment properties. However, conditions appropriate for extensive gas hydrate formation were not found away from the vents.
updated: 2008-11-17 pages include:

Publication
Index for Open file report 2006 1169

Description: This USGS Open-File report presents continual resistiviy profiling data collected along the Cape Cod National Seashore. This report also contains a description of the processing techniques used with these data. Groundwater samples data and core data are also included in this report.
updated: 2008-11-17 pages include:

These are results 1 through 25 of 258 matches.

Coastal and Marine Geology Program > Online Science Resource Locator > Data Sets