Summary & Purpose
Stream acoustics has been proposed as a means of monitoring discharge and wave hazards from outside the stream channel. In order to better understand the dependence of sound on discharge and wave characteristics, this study analyzes discharge and infrasound data from an artificial wave feature. This feature, known as Boise Whitewater Park, is adjusted to accommodate daily changes in recreational use and seasonal changes in irrigation demand. Significant sound is only observed when discharge exceeds ~35 m^3/s, and even above that threshold the sound-discharge relationship is non-linear and inconsistent. When sound is observed, it shows consistent dependence on wave type within a given year, but the direction of this dependence varies among the three years studied (2016, 2021, and 2022). These findings support previous research that establishes discharge and stream morphology as significant controls on stream acoustics and highlights the complex, combined effects of these variables.
Date of Publication or Submission
National Science Foundation (NSF) EAR-2051670
Data Source Credits
U.S. Geological Survey, (2016, 2021, 2022), National Water Information System data available on the World Wide Web (USGS Water Data for the Nation), accessed July 2022, at URL https://waterdata.usgs.gov/monitoring-location/13206000/#parameterCode=00060&startDT=2021-03-12&endDT=2021-07-15.
Single Dataset or Series?
*.png; *.mseed; and *.py
Low-frequency sound was recorded using Gem Infrasound Loggers, which are built in-house by the authors. More information on the Gem Infrasound Logger can be found in (Anderson et al., 2017) from the current manuscript's references. Raw data files were converted to the standard miniSEED format using the 'gemlog' Python package (available on PyPI). miniSEED is the most common format that geophysicists use to share seismic and infrasound data; because of the long duration and high sample rate typical of these files, it is a compressed binary format that is not human-readable but can be read in many data analysis platforms (we used the open-source 'obspy' package for Python). During January to July 2022 photos were taken from Boise Whitewater Park’s live webcam, which can be found on their website at https://www.boisewhitewaterpark.com/waveshaper-cam (the camera used is labeled “Phase 1 with Quinn's Pond and Boise Greenbelt in the background!”). Each image includes both the date and time of the photos taken (Mountain Time). WhitewaterFunctionsCode.py is the Python code used to analyze the infrasound data and plot it into figures. Notably, the riversound folder also included in the files is a unpublished python package created by the authors to read in and compute power and spectrum variables for the infrasound data.
2016, 2021, 2022
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Tatum, Taylor and Anderson, Jacob, "Dataset for Whitewater Sound Dependence on Discharge and Wave Configuration at an Adjustable Wave Feature" (2022). Boise State University Infrasound Data Repository. 11.