Assessing the use of UAV to quantify flow processes in rivers

G. Blois, J. L. Best, K. T. Christensen, V. Cichella, A. Donahue, N. Hovakimyan, A. Kennedy, I. Pakrasi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Unmanned Aerial Vehicles (UAV) are being increasingly utilized by the geophysical community for large-scale surveys of environments that are challenging to reach (e.g. volcanoes, glaciers). Some of these natural systems include large bodies of water such as oceans, lakes and rivers. Here, we propose to employ a specifically-developed UAV system to remotely and safely gain high-resolution images of the water surface. Application of Particle Image Velocimetry (PIV) algorithms allow for the complex two-dimensional flow fields of the water surface to be accurately resolved. Specifically, we present details of a Scale Invariant Feature Transform (SIFT) that permits accurate rectification of the images. These data are key to informing and calibrating predictive tools that can reconstruct potential emergency scenarios. Here, we discuss the concept and technology employed to render these measurement systems effective, and provide examples of applications that show the fidelity of the data that can be extracted from aerial images, and thus the vast potential of this technology.

Original languageEnglish (US)
Title of host publicationRiver Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016
EditorsDan Hanes, Marcelo Garcia, George Constantinescu
PublisherCRC Press/Balkema
Pages601-607
Number of pages7
ISBN (Print)9781138029132
StatePublished - Jan 1 2016
EventInternational Conference on Fluvial Hydraulics, RIVER FLOW 2016 - St. Louis, United States
Duration: Jul 11 2016Jul 14 2016

Publication series

NameRiver Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016

Other

OtherInternational Conference on Fluvial Hydraulics, RIVER FLOW 2016
CountryUnited States
CitySt. Louis
Period7/11/167/14/16

Fingerprint

Unmanned aerial vehicles (UAV)
Rivers
surface water
two-dimensional flow
Water
image resolution
river
flow field
Glaciers
glacier
Volcanoes
transform
volcano
Image resolution
Velocity measurement
Lakes
Flow fields
lake
ocean
Mathematical transformations

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Geotechnical Engineering and Engineering Geology

Cite this

Blois, G., Best, J. L., Christensen, K. T., Cichella, V., Donahue, A., Hovakimyan, N., ... Pakrasi, I. (2016). Assessing the use of UAV to quantify flow processes in rivers. In D. Hanes, M. Garcia, & G. Constantinescu (Eds.), River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016 (pp. 601-607). (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016). CRC Press/Balkema.

Assessing the use of UAV to quantify flow processes in rivers. / Blois, G.; Best, J. L.; Christensen, K. T.; Cichella, V.; Donahue, A.; Hovakimyan, N.; Kennedy, A.; Pakrasi, I.

River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. ed. / Dan Hanes; Marcelo Garcia; George Constantinescu. CRC Press/Balkema, 2016. p. 601-607 (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Blois, G, Best, JL, Christensen, KT, Cichella, V, Donahue, A, Hovakimyan, N, Kennedy, A & Pakrasi, I 2016, Assessing the use of UAV to quantify flow processes in rivers. in D Hanes, M Garcia & G Constantinescu (eds), River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016, CRC Press/Balkema, pp. 601-607, International Conference on Fluvial Hydraulics, RIVER FLOW 2016, St. Louis, United States, 7/11/16.
Blois G, Best JL, Christensen KT, Cichella V, Donahue A, Hovakimyan N et al. Assessing the use of UAV to quantify flow processes in rivers. In Hanes D, Garcia M, Constantinescu G, editors, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. CRC Press/Balkema. 2016. p. 601-607. (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).
Blois, G. ; Best, J. L. ; Christensen, K. T. ; Cichella, V. ; Donahue, A. ; Hovakimyan, N. ; Kennedy, A. ; Pakrasi, I. / Assessing the use of UAV to quantify flow processes in rivers. River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. editor / Dan Hanes ; Marcelo Garcia ; George Constantinescu. CRC Press/Balkema, 2016. pp. 601-607 (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).
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