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BOR | 2018
In the United States, there are currently over 100,000 miles of canal and levee embankments on the national inventory list, most of which are 50 or more years old and have surpassed their initial…
BOR | 2018
Dam safety is an ongoing concern for the BOR. In the interests of maintaining modern dam safety monitoring, BOR has started to investigate the use of small unmanned aircraft systems (sUAS) to improve…
BOR | 2018
The Colorado River is the principal source of water for agriculture and riparian vegetation in Arizona, southern California, and southern Nevada. To account for water use by each State or individual…
BOR | 2018
The BOR operates the Paradox Valley Unit (PVU), a salinity control project located at Paradox Valley in western Colorado that helps to minimize water degradation in the Colorado River. PVU diverts up…
BOR | 2018
BOR dams and reservoirs like Colorado’s Vega and Green Mountain, and Wyoming's Seminoe have landslide and/or dam issues that require long-term monitoring. In this research, the use of interferometric…
BOR | 2018
BOR Population at Risk studies are used to determine the possible magnitude of loss of life in the event of a dam failure. Inundation extent, population at risk, and life loss estimation are the…
BOR | 2018
In the United States alone, there are currently over 100,000 miles of canal and levee embankments and approximately 79,000 earthen dams on the national inventory list. Many of these structures…
BOR | 2015
One problem with using divers or remotely operated vehicles to perform underwater inspections of hydraulic structures is that frequently-encountered conditions of poor visibility increase the…
BOR | 2015
Sound navigation and ranging (sonar) data were coupled with historical topographic data to map the extent and volume of silt collected behind the Heart Butte Dam reservoir in southwestern North…
BOR | 2015
High-resolution lidar data were collected and compared to historical contour data to evaluate the condition of canal banks. Lidar point cloud data with a horizontal accuracy of 0.6-m root mean…
BOR | 2015
Interferometric Synthetic Aperture Radar (IFSAR) point cloud data were used to create a new contour map to assist with a facilities engineering project near a recreation area. Previous…
BOR | 2015
Changes in sandbar geometry were mapped using historcal and recent aerial imagery to quantify the extent of sandbar encroachment into the water intake structure of the pumping plant for the Buford-…