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Sedimentation
Process of deposition of sediments (loose, uncemented pieces of rock, mineral fragments, or biological materials). The sediments settle out of water or air into layers on a surface.
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Results 1 - 28 of 28 listed by similarity [list alphabetically]
Atlantic margin offshore sediments: cooperative database and GIS development website [New Window]
This site is designed to provide information on federal interagency and cooperative developments related to coastal sand and gravel resources and management issues along the Atlantic continental margin.
Boston Harbor Studies: the fate of sediments and contaminants in Massachusetts Bay [New Window]
Boston Harbor/Massachusetts Bay Studies research project conducted as part of Boston Harbor cleanup to predict the fate of contaminants and sediments introduced to Massachusetts' coastal waters from sources that include Boston sewage outfall.
Lake Pontchartrain basin: bottom sediments and related environmental resources [New Window]
This publication focuses on the geological framework and sedimentary processes of the Lake Pontchartrain Basin and provides links to interactive tools, regional research, and sediment data in GIS formats for display and analysis.
Reservoir sediment studies in Kansas [New Window]
Report of completed reservoir sediment studies in Kansas using a combination of bathymetric surveying, sediment coring, chemical analysis, and statistical analysis to understand the quantity and quality of deposited sediment.
Studies of polluted sediment offshore Los Angeles [New Window]
Overview of studies of marine sediment on the continental shelf south of Los Angeles contaminated with DDT and PCBs from past sewage effluent discharges with links to research on Santa Monica Bay, Los Angeles Shelf and Palos Verdes Peninsula.
Upper Mississippi River basin: sediments, contaminants, and nutrients [New Window]
Downloadable data and map images depicting sedimentation changes and contaminants in sediments in the upper Mississippi River.
Atchafalaya & Mississippi River Deltas study: a tale of two deltas [New Window]
Project of the Gulf of Mexico Integrated Science program that evaluates the transport and sedimentation of contaminates through the Mississippi River and Atchafalaya River delta to the near-shore Gulf of Mexico. Includes aerial photographs.
Boston Harbor ecosystems [New Window]
This web site is an outgrowth of an agreement between the USGS and the New England Aquarium, designed to summarize and make available results of scientific research. It will also present educational material of interest to wide audiences.
Continental shelf GIS for the Monterey Bay National Marine Sanctuary [New Window]
Interactive maps of the continental shelf of the Monterey Bay National Marine Sanctuary with GIS layers for sediment data, bathymetry, geology, bathymetry, sonar imagery, and tectonics.
Digital shorelines for Boston Harbor [New Window]
Modified version of paper by F.T. Manheim and A.G. McIntire, Civil Engineering Practice, Vol. 13, No. 1, pp. 35-48 (1998). A new shoreline file has been created for Boston Harbor by digitizing and combining the most recent charts.
Fragile environments: San Francisco Bay wetlands [New Window]
Overview with links to studies on the effects of human activity on the San Francisco estuary with loss of historic fresh and saltwater tidal marshes reducing habitats, introducing contaminants in waste, and creating dredging problems.
Gas hydrate studies: a part of the Geophysics Group [New Window]
Brief overview of gas hydrates and current research. Site also contains links to related USGS research and publications and web sites of other groups participating in gas hydrate research.
Geologic framework and process of the Lake Pontchartrain Basin [New Window]
Field methods, topics of investigation, shoreline changes, publications, and satellite imagery related to geologic and hydrologic processes affecting Lake Pontchartrain and adjacent lakes which form a large estuary in the Gulf Coast region.
Grain size analyzer technique [New Window]
Description of the technique used in particle-size analysis
Gulf of Maine internet map [New Window]
Gulf of Maine regional overview interactive map depicting research activities of the U.S. Geological Survey showing surficial sample sites, bathymetry, continental margin and coastal areas.
Hydrologic studies in the Upper Klamath Basin, Oregon [New Window]
Overview of Klamath ecological research and links to USGS Klamath studies on ground water, nutrients, sediment oxygen demand, and fish response to water quality, sucker ecology, publications, bibliographies, and data.
Lake Roosevelt-Upper Columbia River environmental studies [New Window]
Description of research studies of the Lake Roosavelt-Upper Columbia area on contaminants and effects on environmental health with links to publications and products, partners, related links, project summaries, and contacts.
Long Island Sound [New Window]
Long Island Sound interactive map with GIS datasets and sonar imagery.
Louisiana continental slope [New Window]
Louisiana continental slope interactive map with GIS datasets and sonar imagery.
Mississippi Fan internet map [New Window]
Mississippi River alluvial fan interactive map with GIS data and imagery depicting core sites, depositional and channel interpretation, Gloria and SeaMarc datasets.
River corridor habitat dynamics, Lower Missouri River [New Window]
Detailed description of The Lower Missouri River Corridor Habitat Dynamics Project studying river habitat in a heavily engineered river.
South Florida Ecosystem History Project [New Window]
Project is designed to integrate studies from a number of researchers compiling data from terrestrial, marine, and freshwater ecosystems within south Florida. Links to publications, maps, posters, and data of studies.
PDF Studies and trends of selected inland lakes of the Great Lakes Cluster National Parks [New Window]
Report on the status of the biota and ecological factors of the inland lakes of the Great Lakes Cluster Parks: Indiana Dunes, Sleeping Bear Dunes,and Pictured Rocks National Lakeshores and Isle Royale and Voyageurs National Parks. (PDF file, 321 p.)
Studies in Long Island Sound: geology, contaminants, and environmental issues [New Window]
Description of Long Island Sound projects and links to research topics, data, publications, photos, and technology on sediment transport, sea floor mapping, contaminant sampling, sediment texture, and environmental issues.
Tampa Bay Study [New Window]
Overview of interdisciplinary research on the Tampa Bay estuary of the Gulf of Mexico with links to digital library, interactive mapping, reports, posters, water chemistry maps, meetings and conferences, scientist directory, and field trips.
The U.S. Geological Survey Ocean Bottom Seismometer Facility [New Window]
The Ocean Bottom Seismometer facility provides technical support for a variety of scientific investigations ranging from deep crustal structure to gas hydrate and surface sediments.
The carbon cycle in lakes of the Upper Mississippi Basin [New Window]
Summary of part of the USGS interdivisional Mississippi Basin Carbon project that will study the changes in climate and the environment through carbon cycle changes recorded in lake sediments in the Upper Mississippi River Basin.
Whales and walrus: tillers of the seafloor [New Window]
Report on sea floor marks in the Northeast Bering Sea and Chukchi Sea that were identified as pits and furrows caused by whales and walruses in the process of feeding on bottom crustaceans.


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