Science Explorer

Exploring: Sediment Transport

Landscape Changes and Sediment Transport

https://www.usgs.gov/science/landscape-changes-and-sediment-transport-0 (HTML Document 42.22 KB)

June 29, 2016 Objectives: Investigate sediment transport processes associated with our changing landscape. Research includes understanding bank ... erosion, bed-martial movement and development of bed-material and sediment fluxes. Methods are being developed for relating measured parameters of physical roughness to hydraulic roughness based on turbulence. ...

sediment transport

https://www.pnamp.org/taxonomy/term/212/all/feed (RSS Feed 816 bytes)

sediment transport 2010 River Restoration Short Courses ...

Overview of project, Sediment Transport in Coastal Environments

Modified 2016-04-18
https://walrus.wr.usgs.gov/sediment-transport/overview.html (HTML Document 7.14 KB)

Coastal resource managers face a wide range of problems related to sediment transport. Sediment management or questions related to sediment transport ... -specific information about sediment transport processes, and predictive models of the outcome of potential management actions. Understanding of ... sediment transport processes and the ability to model sediment transport have advanced significantly in recent decades, but important limitations remain. It ... is still a common practice to report results of sediment transport modeling with limited or no calibration, due to lack of suitable data for ...

Streamflow, sediment transport, and nutrient transport at Incline Village, Lake Tahoe, Nevada, 1970-73

Modified 2012-02-02
https://pubs.er.usgs.gov/publication/ofr802045 (HTML Document 14.92 KB)

Streamflow, sediment transport, and nutrient transport at Incline Village, Lake Tahoe, Nevada, 1970-73 Open-File Report 80-2045 Download citation as ... : RIS Streamflow, sediment transport, and nutrient transport at Incline Village, Lake Tahoe, Nevada, 1970-73 Series title: Open-File Report Series number: ...

Sudden Clearing of Estuarine Waters upon Crossing the Threshold from Transport to Supply Regulation of Sediment Transport as an Erodible Sediment Pool is Depleted: San Francisco Bay, 1999

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70034644 (HTML Document 18.95 KB)

Sudden Clearing of Estuarine Waters upon Crossing the Threshold from Transport to Supply Regulation of Sediment Transport as an Erodible Sediment ... Pool is Depleted: San Francisco Bay, 1999 Estuaries and Coasts Abstract The quantity of suspended sediment in an estuary is regulated either by transport ... a hypothesis that suspended-sediment concentration (SSC) in estuaries can suddenly decrease when the threshold from transport to supply regulation is ... Bay from water years 1991-1998 to 1999-2007. A quantitative conceptual model of an estuary with an erodible sediment pool and transport or supply ...

Maps showing directions of longshore sediment transport along the Alaskan Bering Sea coast

Modified 2012-02-10
https://pubs.er.usgs.gov/publication/mf1049 (HTML Document 17.94 KB)

Maps showing directions of longshore sediment transport along the Alaskan Bering Sea coast Miscellaneous Field Studies Map 1049 By: Download citation ... as: RIS Title: Maps showing directions of longshore sediment transport along the Alaskan Bering Sea coast Series title: Scale: 400000 ...

Criteria for a sediment data set

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70015985 (HTML Document 16.04 KB)

transport of sediment through a hydrologic system or basin is an extremely complex phenomenon. Many factors affect this movement. Criteria are established ... to be measured and stored to obtain a complete sediment and hydraulic data set that could be used to compute sediment transport using any prominently ... known sediment-transport equation. The criteria address only the collection of data for noncohesive sediment. Additional publication details ISBN: 0872627187 First page: Conference Location: ... for an 'ultimate' or complete sediment data set, and guidelines are given for the collection of alluvial data. The paper describes what parameters need ...

Suspended sediment transport on the continental shelf near Davenport, California

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70024404 (HTML Document 18.85 KB)

Suspended sediment transport on the continental shelf near Davenport, California Marine Geology Abstract Suspended sediment transport on the shelves ... during storms in winter; the volume of winter sediment transport is at least one order of magnitude greater than that of summer/spring transport. Rock ... depositional environment on the mid-shelf. The seafloor geology appears to correlate to the poleward and offshore sediment transport pattern. This study also ... sources, and the material from the coastal cliff erosion that is subsequently introduced to the transport system through cross-shelf sediment ...

Quantifying the relative importance of flow regulation and grain size regulation of suspended sediment transport a and tracking changes in grain size of bed sediment B

Modified 2014-09-09
https://pubs.er.usgs.gov/publication/70123864 (HTML Document 20.86 KB)

Quantifying the relative importance of flow regulation and grain size regulation of suspended sediment transport a and tracking changes in grain size ... of bed sediment B Water Resources Research Abstract To predict changes in sediment transport, it is essential to know whether transport is regulated ... mainly by changes in flow or by changes in grain size of sediment on the bed. In flows where changes in suspended sediment transport are regulated ... bed sediment concentration and median diameter of suspended sediment are positively correlated. In contrast, where transport is regulated purely by ...

Quantifying the relative importance of flow regulation and grain size regulation of suspended sediment transport α and tracking changes in grain size of bed sediment β

Modified 2015-05-12
https://pubs.er.usgs.gov/publication/70023541 (HTML Document 20.58 KB)

Quantifying the relative importance of flow regulation and grain size regulation of suspended sediment transport α and tracking changes in grain ... size of bed sediment β Water Resources Research Abstract To predict changes in sediment transport, it is essential to know whether transport is ... regulated mainly by changes in flow or by changes in grain size of sediment on the bed. In flows where changes in suspended sediment transport are regulated ... bed sediment concentration and median diameter of suspended sediment are positively correlated. In contrast, where transport is regulated purely by ...

Geochemical indices of fine sediment transport, northwest Gulf of Mexico.

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70011764 (HTML Document 17.04 KB)

Geochemical indices of fine sediment transport, northwest Gulf of Mexico. Journal of Sedimentary Petrology The Publications Warehouse does not have ... transport process. 210Pb, whose concentration is time dependent, defines three loci of recent sediment accumulations. The variation of 210Pb activity ... accumulation. A model of sediment transport and deposition which relates currents, wind, tides, sediment flux, and precipitation has been formulated ... . -from Author Additional publication details Geochemical indices of fine sediment transport, northwest Gulf of Mexico. Series title: ...

Sediment-transport investigations of the Upper Yellowstone River, Montana, 1999 through 2001: data collection, analysis, and simulation of sediment transport

Modified 2012-02-10
https://pubs.er.usgs.gov/publication/sir20055234 (HTML Document 18.03 KB)

Scientific Investigations Report 2005-5234 Download citation as: RIS Series title:

Sediment Transport in Coastal Environments

Modified 2014-10-25
https://walrus.wr.usgs.gov/research/projects/appliedsedtrans.html (HTML Document 992 bytes)

http://walrus.wr.usgs.gov/sediment-transport/ ...

Bedload transport in alluvial channels

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70025506 (HTML Document 18.49 KB)

transport-limited (PTL), and supply-limited (SL) were identified by a semiquantitative approach that considers hydraulic constraints on sediment movement ... Muller in 1948 adequately predicted sediment transport in channels with TL condition, whereas the equations of Bagnold in 1980, and Schoklitsch, in 1962 ... Journal of Hydraulic Engineering Abstract Hydraulic, sediment, land-use, and rock-erosivity data of 22 alluvial streams were used to evaluate ... conditions of bedload transport and the performance of selected bedload-transport equations. Transport categories of transport-limited (TL), partially ...

Sediment transport, storage, and lag times in Chesapeake Bay watersheds | powellcenter.usgs.gov

Modified 2013-12-19
https://powellcenter.usgs.gov/sediment-transport-storage-and-lag-times-chesapeake-bay-watersheds (HTML Document 23.81 KB)

Search form National Research Program Sediment transport, storage, and lag times in Chesapeake Bay watersheds Transport of sediment and particle ...

Landscape Changes and Sediment Transport

https://www.usgs.gov/science/landscape-changes-and-sediment-transport (HTML Document 42.34 KB)

June 22, 2016 Objectives: Determine the detailed coupling between sediment motion and near-bed fluid flow, including the effects of turbulence ...

Transport and deposition of river sediment in the Changjiang estuary and adjacent continental shelf

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70013030 (HTML Document 17.43 KB)

Transport and deposition of river sediment in the Changjiang estuary and adjacent continental shelf Continental Shelf Research John D. Milliman, S ... publication at this time Download citation as: RIS Abstract Hydrographic observations, suspended-sediment measurements, and historical data indicate transport ... carried through the North Channel of the South Branch. Sediment transport is directly related to river stage, but tidal phase (spring vs neap tides) also ... . ?? 1985. Additional publication details Title: Transport and deposition of river sediment in the Changjiang estuary and adjacent continental shelf Series title: ...

A conceptual framework for dryland aeolian sediment transport along the grassland-forest continuum: Effects of woody plant canopy cover and disturbance

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70033062 (HTML Document 22.82 KB)

A conceptual framework for dryland aeolian sediment transport along the grassland-forest continuum: Effects of woody plant canopy cover and ... density of roughness elements, which directly affects aeolian sediment transport. Despite the extensiveness of dryland ecosystems, studies of aeolian ... sediment transport have generally focused on agricultural fields, deserts, or highly disturbed sites where rates of transport are likely to be ... greatest. Until recently, few measurements have been made of aeolian sediment transport over multiple wind events and across a variety of types of dryland ...

Preferential flow and segregation of porewater solutes in Wetland sediment

Modified 2012-03-12
https://pubs.er.usgs.gov/publication/70018733 (HTML Document 19.75 KB)

effects of macroporous sediment structure on solute transport, we conducted a solute tracer experiment in the sediment. The effective transport volume ... than the total pore space that is potentially available for transport (porosity of sediment is 0.63 cm3 cm-3). A mean transport time of 13 d was ... transport and biogeochemical cycling in wetlands. ?? 1995 Estuarine Research Federation. Additional publication details Preferential flow and segregation of porewater solutes in Wetland sediment Series title: ... Preferential flow and segregation of porewater solutes in Wetland sediment Estuaries By: Abstract Sediment macropores (with effective diameters ...

Littoral transport rates in the Santa Barbara Littoral Cell: a process-based model analysis

Modified 2015-05-29
https://pubs.er.usgs.gov/publication/70148355 (HTML Document 23.99 KB)

. Barnard, and John Brocatus Abstract Identification of the sediment transport patterns and pathways is essential for ... Conception and Mugu Canyon). An advanced optimalization procedure is applied to enable annual sediment transport computations by reducing the ocean wave ... sedimentation hotspots coincide with the modeled divergence and convergence of the transport gradients. Sediment transport rates are strongly dependent on the ... Littoral transport rates in the Santa Barbara Littoral Cell: a process-based model analysis Journal of Coastal Research E. P. L. Elias, Patrick L ...