A Review of Current and New Optical Techniques for Coral Monitoring

Jonathan Teague*, David Megson-Smith, Michael Allen, John C C Day, Thomas Bligh Scott

*Corresponding author for this work

Research output: Contribution to journalReview article (Academic Journal)peer-review

13 Citations (Scopus)
202 Downloads (Pure)

Abstract

Monitoring the health of coral reefs is essential to understanding the damaging impacts of anthropogenic climate change as such non-invasive methods to survey coral reefs are the most desirable. Optics-based surveys, ranging from simple photography to multispectral satellite imaging are well established. Herein, we review these techniques, focusing on their value for coral monitoring and health diagnosis. The techniques are broadly separated by the primary method in which data are collected: by divers and/or robots directly within the environment or by remote sensing where data are captured above the water’s surface by planes, drones, or satellites. The review outlines a new emerging technology, low-cost hyperspectral imagery, which is capable of simultaneously producing hyperspectral and photogrammetric outputs, thereby providing integrated information of the reef structure and physiology in a single data capture.
Original languageEnglish
Pages (from-to)30-45
Number of pages16
JournalOceans
Volume3
Issue number1
Early online date20 Jan 2022
DOIs
Publication statusPublished - 20 Jan 2022

Keywords

  • coral reef monitoring
  • reef health
  • Review
  • Hyperspectral imaging
  • marine optics

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