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U.S. Geological Survey Oceanographic Time-Series Data Collection

Summary of Oceanographic and Water-Quality Measurements near the Blackwater National Wildlife Refuge


Description: Suspended-sediment transport is a critical element governing the geomorphology of tidal marshes. Marshes rely both on organic material and inorganic sediment deposition to maintain their elevation relative to sea-level. In wetlands near the Blackwater National Wildlife Refuge, MD, portions of the salt marsh have been subsiding relative to sea level since the early 20th century. Other portions of the marsh have been successful at maintaining elevation. The USGS undertook measurements of suspended-sediment concentration in the tidal channels in order to understand the magnitude of suspended-sediment concentrations, the sediment-transport mechanisms, and relative differences between the two areas of the marsh. We deployed optical turbidity sensors and acoustic velocity meters at multiple sites over two periods in 2011. This report presents the time-series of oceanographic data collected during those field studies, including velocity, depth, turbidity, salinity, water temperature, and pH.

Duration: Mar-May 2011; Sep-Dec 2011

USGS Principal Investigator: N.K. Ganju

Publications:

Ganju, N.K., Dickhudt, P.J., Montgomery, E.T., Brennard, P., Derby, R.K, Brooks, T.W., Martini, M.A., Borden, J., and Baldwin, S., 2012. Summary of Oceanographic and Water-Quality Measurements made near Blackwater River National Wildlife Refuge, 2011, USGS Open File Report 2012-1099.

Field Activity Reports: 2011-017-FA, 2011-029-FA, 2011-044-FA, 2011-050-FA

Revision History

  • September 2015 fixed typo in velocity variable attributes
  • 2012 original publication

Please use the following citation when referencing this dataset:

Dickhudt, P.K,, Sherwood, C.R., Montgomery, E.T., Martini, M.A.,Oceanographic and Water-Quality Measurements-- Blackwater National Wildlife Refuge, Maryland, 2011: U.S. Geological Survey data release, https://stellwagen.er.usgs.gov/bw2011.html.

table imageCatalog of Data

Data Access via THREDDS (EPIC)

Data Access via THREDDS (CF)

FGDC metadata for this experiment.

Station Locations

 

For more detail about the measurements collected at each site, browse BW11.kml (using Google Earth).

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