Unmanned aerial vehicles in hydrology and water management: Applications, challenges, and perspectives

BS Acharya, M Bhandari, F Bandini… - Water Resources …, 2021 - Wiley Online Library
The hydrologic sciences and water resources management have long depended on a
combination of in situ measurements and remotely sensed data for research and regulatory …

Remotely sensed rivers in the Anthropocene: State of the art and prospects

H Piégay, F Arnaud, B Belletti… - Earth Surface …, 2020 - Wiley Online Library
The rivers of the world are undergoing accelerated change in the Anthropocene, and need
to be managed at much broader spatial and temporal scales than before. Fluvial remote …

UAVs for hydrologic scopes: Application of a low-cost UAV to estimate surface water velocity by using three different image-based methods

P Koutalakis, O Tzoraki, G Zaimes - Drones, 2019 - mdpi.com
Stream velocity and flow are very important parameters that must be measured accurately to
develop effective water resource management plans. There are various methods and tools …

Review of photogrammetric and lidar applications of UAV

Ľ Kovanič, B Topitzer, P Peťovský, P Blišťan… - Applied Sciences, 2023 - mdpi.com
Using Unmanned Aerial Vehicles (UAVs) combined with various sensors brings the benefits
associated with fast, automatic, and contactless spatial data collection with high resolution …

Optical tracking velocimetry (OTV): Leveraging optical flow and trajectory-based filtering for surface streamflow observations

F Tauro, F Tosi, S Mattoccia, E Toth, R Piscopia… - Remote Sensing, 2018 - mdpi.com
Nonintrusive image-based methods have the potential to advance hydrological streamflow
observations by providing spatially distributed data at high temporal resolution. Due to their …

Large-scale particle image velocimetry to measure streamflow from videos recorded from unmanned aerial vehicle and fixed imaging system

WC Liu, CH Lu, WC Huang - Remote Sensing, 2021 - mdpi.com
The accuracy of river velocity measurements plays an important role in the effective
management of water resources. Various methods have been developed to measure river …

Drone-based optical measurements of heterogeneous surface velocity fields around fish passages at hydropower dams

D Strelnikova, G Paulus, S Käfer, KH Anders, P Mayr… - Remote Sensing, 2020 - mdpi.com
In Austria, more than a half of all electricity is produced with the help of hydropower plants.
To reduce their ecological impact, dams are being equipped with fish passages that support …

[HTML][HTML] PTV-Stream: A simplified particle tracking velocimetry framework for stream surface flow monitoring

F Tauro, R Piscopia, S Grimaldi - Catena, 2019 - Elsevier
Particle tracking velocimetry (PTV) is a promising image-based approach for remote
streamflow measurements in natural environments. However, most PTV approaches require …

River flow measurements utilizing UAV-based surface velocimetry and bathymetry coupled with sonar

P Koutalakis, GN Zaimes - Hydrology, 2022 - mdpi.com
Water velocity and discharge are essential parameters for monitoring water resources
sustainably. Datasets acquired from Unoccupied Aerial Systems (UAS) allow for river …

Spatial distribution of tracers for optical sensing of stream surface flow

A Pizarro, SF Dal Sasso, M Perks… - Hydrology and Earth …, 2020 - hess.copernicus.org
River monitoring is of particular interest for our society that is facing increasing complexity in
water management. Emerging technologies have contributed to opening new avenues for …