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Sediment transport
Transport of solid particles of unconsolidated rock and mineral fragments, chemical precipitates, or biological materials.
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Marine sediment transport (13 items)
Estuarine sediment transport (1 items)
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Results 1 - 45 of 47 listed by similarity [list alphabetically]
Sediment Transport Instrumentation Facility [More info]
The Sediment Transport Instrumentation Facility at USGS Woods Hole Field Center maintains and deploys oceanographic instrumentation for the study of coastal and ocean circulation and sediment transport.
Community model for coastal sediment transport [More info]
Description of the National Community Sediment-Transport Model (NCSTM), an open source numerical model for sediment transport in coastal regions.
Geomorphology and sediment transport -- river mechanics [More info]
Current river mechanics research on particle friction angles of fluvial gravels (data files compressed in BenHex, Winzip and Unix) and Grand Canyon Beach evolution (animation requiring Java 1.0) plus digital elevation files (*.hgx and *.zip files).
Report of the Community Sediment Transport Modeling Workshop [More info]
Report on workshop to explore a community approach to improving deterministic models of sediment transport in coastal seas, estuaries, and rivers.
PDF Evaluating the variability of sediment and nutrient loading from riverine systems into Texas estuaries and bays [More info]
Some results from a study of the variability of sediment and nutrient loads in the lower reaches of the Trinity River during a variety of hydrologic conditions.
Sediment load from major rivers into Puget Sound and its adjacent waters [More info]
Sediment from rivers has both beneficial and detrimental effects on ecosystems and human activities around Puget Sound. We explain where the sediment comes from, how it is transported, and the nature of the data that we can use to understand it.
PDF Summary of Bed-Sediment Measurements Along the Platte River, Nebraska, 1931-2009 [More info]
Studies of the size of bed sediment along the length of a river through time show how the river channel will be affected by development or management efforts.
Summary of suspended-sediment concentration data, San Francisco Bay, California, water year 2000 [More info]
Suspended-sediment concentration data were collected in San Francisco Bay during water year 2000 using optical backscatterance sensors and water samples. This report presents the data-collection methods, data, and calibration plots.
Suspended-sediment database: daily values of suspended sediment and ancillary data [More info]
Enables searching by state, hydrologic region, basin, time period, and length of record to retrieve suspended sediment data for the United States.
PDF Application of the SPARROW watershed model to describe nutrient sources and transport in the Missouri River Basin [More info]
Maps and diagrams showing how the mathematical model predicts the distribution of various pollutants within a large watershed.
Atlantic margin offshore sediments: cooperative database and GIS development website [More info]
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.
Lake Pontchartrain basin: bottom sediments and related environmental resources [More info]
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.
Topics in coastal and marine sciences: Coastal erosion [More info]
Topics in Coastal and Marine Sciences provides background science materials, definitions, and links to give a common context for users from a variety of backgrounds. Coastal erosion was chosen as the first topic.
PDF A dryland river transformed--the Little Colorado, 1936-2010 [More info]
We mapped substantial migration of the river channel between the City of Winslow and the Navajo Nation community of Leupp; in a human lifetime the river has moved more than a mile across its valley floor.
Atchafalaya & Mississippi River Deltas study: a tale of two deltas [More info]
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 [More info]
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.
Coastal change hazards digital library [More info]
Online catalog of reports and data on coastal change hazards, indexed by author, agency, project, location, feature type, and topic
PDF Early results from the Northern Gulf of Mexico Ecosystem Change and Hazard Susceptibility Project [More info]
A coordinated set of studies shows development of coastal features, aspects of marine water quality, and impacts of hurricanes along this section of important coastline.
Fragile environments: San Francisco Bay wetlands [More info]
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.
PDF From ridge to reef--linking erosion and changing watersheds to impacts on the coral reef ecosystems of Hawai‘i and the Pacific Ocean [More info]
Explains how land processes on hills near the shoreline affect the health of coral reefs.
Grand Canyon studies: using ocean-research techniques to study a river system [More info]
Brief review of studies with sidescan sonar on sediment in the Grand Canyon as part of research on the changes brought about by the Glen Canyon Dam and the results gathered from a 1996-controlled flood experiment with links to related information.
PDF Holocene evolution of Apalachicola Bay, Florida [More info]
Geophysical surveying, combined with analysis of sediment cores and radiometric dating were used to describe the likely history of formation of this area.
PDF Hurricane impact and recovery shoreline change analysis of the Chandeleur Islands, Louisiana, USA: 1855 to 2005 [More info]
Results from historical (1855-2005) shoreline change analysis demonstrate that tropical cyclone frequency dominates the long-term evolution of this barrier-island arc.
Lake Roosevelt-Upper Columbia River environmental studies [More info]
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.
PDF Monitoring and analysis of sand dune movement and growth on the Navajo Nation, southwestern United States [More info]
We combine long-term records from aerial photographs, detailed mapping using survey-grade GPS, and ground-based lidar with meteorological monitoring. Sand dune migration rates are currently about 35 meters per year.
Multibeam data and socio-economic issues in west-central San Francisco Bay [More info]
Webpage based on USGS Open File Report 98-139 links to information on the San Francisco Bay estuary to study dredge disposal effects, fish habitats, sediment transport, rock pinnacles and navigation, and consequences of a large oil spill.
National Assessment of Coastal Change Hazards [More info]
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.
National bridge scour database [More info]
Database with detailed data on sites and data collected on scour (downward erosion by streamflow) at bridges, piers, and abutments in the United States.
National Stream Quality Accounting Network (NASQAN) [More info]
Homepage for description of the National Stream Quality Network (NASQAN), a long-term program monitoring the concentrations and flux of sediment and chemicals in the Nation's largest rivers (Mississippi, Columbia, Colorado, Rio Grande, and Yukon).
Oceanographic time series data [More info]
Oceanographic time-series data obtained from moored instruments, generally provided in NetCDF format.
PDF Sand waves at the mouth of San Francisco Bay, California [More info]
Postcard available for downloading and printing.
PDF Science-Based Strategies for Sustaining Coral Ecosystems [More info]
Explains the environmental factors that affect coral reef habitats and ecosystems, focusing on those that pose urgent problems.
Sea-floor morphology between Año Nuevo and Santa Cruz, California [More info]
Report with preliminary sea floor map displaying submarine rock exposures found along the northern part of Monterey Bay National Marine Sanctuary, extent based on side-scan sonar records, seismic-reflection records, and underwater video.
PDF Seafloor erosional processes offshore of the Chandeleur Islands, Louisiana [More info]
Study addresses questions and concerns related to limited sand resources along the Louisiana shelf and their implications to long-term relative sea-level rise and storm impacts, using newly acquired geophysical and vibracore data.
PDF South Carolina coastal erosion study [More info]
USGS project to understand coastal evolution and modern beach behavior; to identify and model the physical processes affecting coastal ocean circulation and sediment transport; and to identify sediment sources and construct a regional sediment budget.
Studies in Long Island Sound: geology, contaminants, and environmental issues [More info]
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.
Surface water information pages [More info]
Lead page for detailed United States surface water information with links to real-time and historic streamflow data, suspended sediment data, USGS programs and facilities, publications, techniques, and featured news releases.
The U.S. Geological Survey and the Chesapeake Bay - the role of science in environmental restoration [More info]
Summary of a circular on USGS environmental research and Chesapeake Bay with links to full document. Includes discussion of the problems of the estuary, restoration efforts, water quality, and effects on ecosystem.
PDF Understanding Contaminants Associated with Mineral Deposits [More info]
Outlines processes that control the release of metals and acidic waters from inactive mines and mineralized areas, the transport of metals and acidic waters to streams, and the fate and effect of metals and acidity on downstream ecosystems.
Upper Wallkill River study [More info]
Program to measure streamflow stage and discharge at four sites in the Upper Wallkill River Valley's Black Dirt Region and determine Total Suspended Solids (TSS) concentration data and estimate loads of TSS and sources of contaminants.
PDF USGS science for the Nation's changing coasts: Shoreline change research [More info]
Explains how and why coasts, beaches, and shorelines change, and how we study these changes.
PDF USGS science for the Nation's changing coasts; Shoreline change assessment [More info]
Shorelines are always changing, yet we use these areas heavily. This shows what we measure and how, to help adapt to changing coastal zones.
USGS studies in the New York Bight [More info]
Describes and provides links to USGS research in the location of the estuary and coast of Long Island, New York, to map the sea floor and to study sediment transport, contaminants, and sand resources and coastal vulnerability.
PDF Using terrestrial light detection and ranging (lidar) technology for land-surface analysis in the Southwest [More info]
Tripod-mounted lidar makes it inexpensive and efficient to measure and map geographic features that change with time, such as sand dunes and erosional features, and soil microtopography.
Wastewater Indicators Shown to Degrade in Streams [More info]
Research findings and examples of application to real problems--the stability of contaminants that indicate human wastewater needs to be considered.
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