H Biggs, G Smart, M Doyle, N Eickelberg, J Aberle… - Water, 2023 - mdpi.com
The accuracy of discharge measurements derived from surface velocities are highly dependent on the accuracy of conversions from surface velocity us to depth-averaged …
Unmanned aerial vehicles (UAVs) have the potential to capture information about the earth's surface in dangerous and previously inaccessible locations. Through image acquisition of …
A Eltner, H Sardemann… - Hydrology and Earth …, 2020 - hess.copernicus.org
An automatic workflow to measure surface flow velocities in rivers is introduced, including a Python tool. The method is based on particle-tracking velocimetry (PTV) and comprises an …
Image‐based methodologies, such as large scale particle image velocimetry (LSPIV) and particle tracking velocimetry (PTV), have increased our ability to noninvasively conduct …
I Fujita, Y Notoya, K Tani, S Tateguchi - Environmental Fluid Mechanics, 2019 - Springer
In shallow flow conditions, turbulence effects appear on a water surface as a form of irregularity of surface shape composed of a large number of fluctuating ripples. The intensity …
M Detert, ED Johnson, V Weitbrecht - International Journal of …, 2017 - Taylor & Francis
This article presents an example for an image-based method to determine a small rivers' surface velocity field, bathymetry, and its flow discharge derived thereof. While common river …
This paper describes a novel velocimetry method we call infrared quantitative image velocimetry (IR‐QIV), that uses infrared (IR) images of thermal patterns advecting on water …
PJ Kinzel, CJ Legleiter - Remote Sensing, 2019 - mdpi.com
This paper describes a non-contact methodology for computing river discharge based on data collected from small Unmanned Aerial Systems (sUAS). The approach is complete in …
Large scale particle image velocimetry (LSPIV) is a nonintrusive methodology for continuous surface flow monitoring in natural environments. Recent experimental studies demonstrate …