Surface flow measurements from drones

Flavia Tauro, Maurizio Porfiri, Salvatore Grimaldi

Research output: Contribution to journalArticle

Abstract

Drones are transforming the way we sense and interact with the environment. However, despite their increased capabilities, the use of drones in geophysical sciences usually focuses on image acquisition for generating high-resolution maps. Motivated by the increasing demand for innovative and high performance geophysical observational methodologies, we posit the integration of drone technology and optical sensing toward a quantitative characterization of surface flow phenomena. We demonstrate that a recreational drone can be used to yield accurate surface flow maps of sub-meter water bodies. Specifically, drone's vibrations do not hinder surface flow observations, and velocity measurements are in agreement with traditional techniques. This first instance of quantitative water flow sensing from a flying drone paves the way to novel observations of the environment.

Original languageEnglish (US)
Pages (from-to)240-245
Number of pages6
JournalJournal of Hydrology
Volume540
DOIs
StatePublished - Sep 1 2016

Keywords

  • Flow measurement
  • Large Scale Particle Image Velocimetry
  • Surface hydrology
  • Unmanned aerial vehicle

ASJC Scopus subject areas

  • Water Science and Technology

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