A practitioner's guide to thermal infrared remote sensing of rivers and streams: recent advances, precautions and considerations

SJ Dugdale - Wiley Interdisciplinary Reviews: Water, 2016 - Wiley Online Library
Stream temperature is a key habitat variable controlling all physical and biological river
processes. In light of the threat of climate change to fluvial environments, growing …

Surface velocity to depth-averaged velocity—a review of methods to estimate alpha and remaining challenges

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 …

Advances in flash flood monitoring using unmanned aerial vehicles (UAVs)

MT Perks, AJ Russell, ARG Large - Hydrology and Earth …, 2016 - hess.copernicus.org
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 …

[HTML][HTML] Flow velocity and discharge measurement in rivers using terrestrial and unmanned-aerial-vehicle imagery

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 …

Streamflow observations from cameras: Large‐scale particle image velocimetry or particle tracking velocimetry?

F Tauro, R Piscopia, S Grimaldi - Water Resources Research, 2017 - Wiley Online Library
Image‐based methodologies, such as large scale particle image velocimetry (LSPIV) and
particle tracking velocimetry (PTV), have increased our ability to noninvasively conduct …

Efficient and accurate estimation of water surface velocity in STIV

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 …

Proof‐of‐concept for low‐cost and non‐contact synoptic airborne river flow measurements

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 …

Instantaneous river‐wide water surface velocity field measurements at centimeter scales using infrared quantitative image velocimetry

SA Schweitzer, EA Cowen - Water Resources Research, 2021 - Wiley Online Library
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 …

sUAS-based remote sensing of river discharge using thermal particle image velocimetry and bathymetric lidar

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 …

Orienting the camera and firing lasers to enhance large scale particle image velocimetry for streamflow monitoring

F Tauro, M Porfiri, S Grimaldi - Water Resources Research, 2014 - Wiley Online Library
Large scale particle image velocimetry (LSPIV) is a nonintrusive methodology for continuous
surface flow monitoring in natural environments. Recent experimental studies demonstrate …