Next Article in Journal
Improving Urban Runoff in Multi-Basin Hydrological Simulation by the HYPE Model Using EEA Urban Atlas: A Case Study in the Sege River Basin, Sweden
Previous Article in Journal
Identification of Source Water Mixing in the Fish Slough Spring Complex, Mono County, California, USA
Previous Article in Special Issue
Case Study: Comparative Analysis of Hydrologic Simulations with Areal-Averaging of Moving Rainfall
Article Menu
Issue 1 (March) cover image

Export Article

Open AccessArticle
Hydrology 2019, 6(1), 27; https://doi.org/10.3390/hydrology6010027

Real-Time Measurement of Flash-Flood in a Wadi Area by LSPIV and STIV

Disaster Prevention Research Institute (DPRI), Kyoto University, Kyoto 611-0011, Japan
*
Author to whom correspondence should be addressed.
Received: 8 January 2019 / Revised: 17 March 2019 / Accepted: 18 March 2019 / Published: 20 March 2019
  |  
PDF [3333 KB, uploaded 20 March 2019]
  |  

Abstract

Flash floods in wadi systems discharge large volumes of water to either the sea or the desert areas after high-intensity rainfall events. Recently, wadi flash floods have frequently occurred in arid regions and caused damage to roads, houses, and properties. Therefore, monitoring and quantifying these events by accurately measuring wadi discharge has become important for the installation of mitigation structures and early warning systems. In this study, image-based methods were used to measure surface flow velocities during a wadi flash flood in 2018 to test the usefulness of large-scale particle image velocimetry (LSPIV) and space–time image velocimetry (STIV) techniques for the estimation of wadi discharge. The results, which indicated the positive performance of the image-based methods, strengthened our hypothesis that the application of LSPIV and STIV techniques is appropriate for the analysis of wadi flash flood velocities. STIV is suitable for unidirectional flow velocity and LSPIV is reliable and stable for two-dimensional measurement along the wadi channel, the direction of flow pattern which varies with time. View Full-Text
Keywords: discharge; wadi flash flood; LSPIV; STIV; real time; surface flow velocity discharge; wadi flash flood; LSPIV; STIV; real time; surface flow velocity
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Al-mamari, M.M.; Kantoush, S.A.; Kobayashi, S.; Sumi, T.; Saber, M. Real-Time Measurement of Flash-Flood in a Wadi Area by LSPIV and STIV. Hydrology 2019, 6, 27.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Hydrology EISSN 2306-5338 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top