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Colorado River at Salt Wash near Moab, UT - 2020/10/07 Water Surface Velocity Map Using Particle Image Velocimetry

Dates

Publication Date
Time Period
2020-10-07

Citation

DeBenedetto, G.P., Forbes, B.T., and Bunch, C.E., 2021, Colorado River at Salt Wash near Moab, UT - 2020/10/07 Water Surface Velocity Map Using Particle Image Velocimetry: U.S. Geological Survey data release, https://doi.org/10.5066/P90HJ35G.

Summary

The dataset consists of a shapefile of measurements of surface velocity magnitude and direction at the Colorado River at Salt Wash near Moab, UT, on October 7, 2020. The dataset contains approximately 3 km of river length. The surface velocity measurements were made by applying Large-Scale Particle Image Velocimetry (LSPIV) techniques, using overlapping videos collected by small Unmanned Aircraft Systems (sUAS). Additional attributes were calculated from the surface velocity measurements and are included in the dataset.

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ColoradoRiverAtSaltWashNrMoabUT_20201007_PIV.zip 51.65 MB application/zip

Purpose

The data were collected to fulfill the objectives of a proposal funded by the U.S. Department of the Interior (DOI) Inland Oil Spill Preparedness Project (IOSPP). Reach-scale measurements of surface velocity magnitude and direction can be used to predict the travel time of the leading edge of contamination and identifying areas where contaminants will accumulate during riverine oil spills, increasing the readiness and response capabilities of DOI in the event of an inland oil spill. This is the second of two data collection efforts at the Colorado River at Salt Wash near Moab, UT, to establish best practices for creating reach-scale surface velocity maps. The first data collection effort in June 2020 documented a high-flow condition (approximately 10,000 cfs), and data can be found here: https://doi.org/10.5066/P9S6HJF1. This dataset, on October 7, 2020, represents a low-flow condition (approximately 2,500 cfs). Data collection and processing techniques were built upon methodology being researched by the USGS Surface Velocity Workgroup and the USGS Hydrologic Remote Sensing Branch.

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  • Reach-Scale Monitoring Network
  • USGS Data Release Products

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P90HJ35G

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