2018
DOI: 10.3390/w10030297
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Water Level Measurements from Drones: A Pilot Case Study at a Dam Site

Abstract: Unmanned Aerial Vehicles (UAVs) are now filling in the gaps between spaceborne and ground-based observations and enhancing the spatial resolution and temporal coverage of data acquisition. In the realm of hydrological observations, UAVs play a key role in quantitatively characterizing the surface flow, allowing for remotely accessing the water body of interest. In this paper, we propose a technology that uses a sensing platform encompassing a drone and a camera to determine the water level. The images acquired… Show more

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Cited by 67 publications
(47 citation statements)
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“…UAV measurements of water depth (i.e., elevation of the water surface above the bed) can enrich the set of available hydrological observations along with measurements of water surface elevation (WSE), i.e., elevation of the water surface above sea level (Bandini et al, 2017;Ridolfi and Manciola, 2018;Woodget et al, 2015), and surface water flow (Detert and Weitbrecht, 2015;Tauro et al, 2015aTauro et al, , 2016Virili et al, 2015).…”
Section: F Bandini Et Al: Bathymetry Observations Of Inland Water Bmentioning
confidence: 99%
“…UAV measurements of water depth (i.e., elevation of the water surface above the bed) can enrich the set of available hydrological observations along with measurements of water surface elevation (WSE), i.e., elevation of the water surface above sea level (Bandini et al, 2017;Ridolfi and Manciola, 2018;Woodget et al, 2015), and surface water flow (Detert and Weitbrecht, 2015;Tauro et al, 2015aTauro et al, , 2016Virili et al, 2015).…”
Section: F Bandini Et Al: Bathymetry Observations Of Inland Water Bmentioning
confidence: 99%
“…This limitation could be eliminated in urban environments, especially during flood events, as the water level can be measured by using the known height of random objects [70]. In addition, a UAV can provide water level measurements, especially in constructed canals and dams where the depth is known, and this enables us to measure, also, the water discharge if appropriate ground reference points are available [71]. Another limitation is that the surface velocity errors are affected by wind and rain drops, so the measurements are difficult in such weather conditions [72].…”
Section: Discussionmentioning
confidence: 99%
“…Affected by rainfall infiltration, tailings recycling water, dry beach face evaporation, and other factors, the position of the phreatic line in the tailings pond suffers in various ways in the DW cycles [1,17,18]. Therefore, in the numerical analysis mode, the determination of the position of the phreatic line under DW cycles plays an important role [19][20][21][22][23][24][25][26][27]. Figure 4 shows the diagram for calculating the tailings dam's phreatic line.…”
Section: Methods For Calculating the Tailings Dam's Phreatic Line Undementioning
confidence: 99%