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Depth Averaged Streamflow Velocity Data for the São Francisco River near Torrinha, Bahia, Brazil, 2014

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
15 October 2015
Modified Date
15 October 2015
Update Frequency
asNeeded
Publishers
U.S. Geological Survey, Department of the Interior
Identifier
depth-averaged-streamflow-velocity-data-for-the-sao-francisco-river-near-torrinha-bahia-br-2014
Landing Page
http://catalog.data.gov/dataset/depth-averaged-streamflow-velocity-data-for-the-sao-francisco-river-near-torrinha-bahia-br-2014

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Description

Hydrographic survey data were collected from May 22 through June 10, 2015, using an acoustic Doppler current profiler (ADCP) coupled with an RTK-GNSS rover. The collected hydrographic data consisted of three elements—riverbed elevations derived from bathymetry, depth-averaged streamflow velocity, and instantaneous discharge measurements. Hydrographic data were collected as the boat moved across the river at planned cross sections distributed throughout the reach. Data collection software integrated and stored the depth and velocity data from the ADCP and the horizontal and vertical positioning data from the GNSS data in real time. Data processing required computer software to extract bathymetry and velocity data from the raw ADCP and GNSS files and to summarize and map the information. Streamflow was measured to document the streamflow of the river at the time of the survey, and the variation of streamflow around Grande do Pecado Island.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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  • Find out how to contact someone about this data at

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  • Find out how to suggest improvements to publication at

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