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  3. Data Files for the Development of Regional Regression Equations for Flow-Duration Statistics and N-day Low-Flow Frequencies for Ungaged Stream Locations in Puerto Rico Using Data Through Water Year 2018
  4. Puerto Rico Flow-Duration Regression Files

Puerto Rico Flow-Duration Regression Files

Dates

Publication Date
Start Date
1945-07-01
End Date
2018-09-30

Citation

Williams-Sether, T., 2021, Data Files for the Development of Regional Regression Equations for Flow-Duration Statistics and N-day Low-Flow Frequencies for Ungaged Stream Locations in Puerto Rico Using Data Through Water Year 2018: U.S. Geological Survey, https://doi.org/10.5066/P9Y2QVJ6.

Summary

An ordinary least squares (OLS) technique was used with at-site flow-duration exceedance probabilities, from SWToolbox (Kiang and others, 2018), and 14 basin characteristics (basin perimeter, drainage area, maximum basin elevation, mean total annual reference evapotranspiration, groundwater head, length of longest flow path, minimum basin elevation, runoff-curve number, relief, ruggedness, slope ratio, percentage of hydrologic soil type B, available water capacity, and total length of streams in a basin) for 28 selected streamflow gaging stations in Puerto Rico to calculate regional flow-duration regression equations for ungaged stream locations. The final flow-duration regression equations were developed in R (R Core Team, 2019) using [...]

Contacts

Point of Contact :
Tara J Williams-Sether
Process Contact :
Tara J Williams-Sether
Originator :
Tara J Williams-Sether
Metadata Contact :
Tara J Williams-Sether
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Dakota Water Science Center
USGS Mission Area :
Water Resources

Attached Files

Click on title to download individual files attached to this item.

PR_flowduration_regression_files.xml
Original FGDC Metadata
View 		13.83 KB application/fgdc+xml
FlowDuration_regression_model_plots.zip 118.62 KB application/zip
FlowDuration_regression_models.zip 7.29 KB application/zip
PR_flowduration_SWToolbox_output_files.zip 26.62 KB application/zip

Purpose

To provide updated flow-duration exceedance probabilities, n-day low-flow frequencies, and selected basin characteristics used to develop regional regression equations to estimate flow-duration statistics and n-day low-flow statistics at ungaged locations in Puerto Rico.

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  • USGS Dakota Water Science Center

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