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This landing page contains peak-flow frequency analyses by the U.S. Geological Survey Wyoming - Montana Water Science Center. Sets of analyses are published as data releases which are child items to this landing page.
Site Information for Bridge Scour Countermeasure Assessments at Select Bridges in the United States, 2016-18
These data are supplemental site information in portable document format (.pdf) collected during 2016-2018 field seasons for select bridges in the United States (Dudunake and others, 2018). These files describe building plans for countermeasures, a field from to describe conditions during site assessment, and a photo summary of the study area.
This file (wymt_ffa_2016A_WATSTORE.txt) contains peak flow data for 14 streamgages in the Beaverhead River and Clark Fork Basins. The file is in a text format called WATSTORE (National Water Data Storage and Retrieval System) available from NWISWeb (http://nwis.waterdata.usgs.gov/usa/nwis/peak).
This file (wymt_ffa_2016A.psf) contains specifications to run PeakFQ for 14 streamgages in the Beaverhead River and Clark Fork Basins.
Geospatial Data for Bridge Scour Countermeasure Assessments at Select Bridges in the United States, 2016–18
Scouring of streambed material surrounding bridge structures is a leading cause of bridge failure in the United States. Damages resulting from bridge failure oftentimes lead to financial burdens and loss of life. To date, there has been no comprehensive evaluation of the current (2016) effectiveness of the guidance or overall long-term performance of bridge-scour countermeasures provided in the Federal Highway Administration, Hydraulic Engineering Circular No. 23, Bridge Scour and Stream Instability Countermeasures. To that end, the U.S. Geological Survey, in cooperation with the Federal Highway Administration, obtained bathymetric, topographical, and other data at 20 of the surveyed sites across the United States...
These geospatial data were collected during the July 12-29, 2016 topographic and hydrographic survey of the Beaverhead River at MT-41, at Twin Bridges, MT.
Flow management and fish density regulate salmonid recruitment and adult size in tailwaters across western North America—Data
This data is a compilation of fishery monitoring data collected by state agencies over several decades in tailwaters downriver of dams in Colorado, Utah, Montana, Wyoming, Idaho, New Mexico, Arizona, California, and Oregon. Specifically, the data contained herein is summary data used in four generalized linear mixed models that were developed to assess the biological and hydrologic factors that influence rainbow and brown trout recruitment and adult size in tailwaters across the western United States.