Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

A Review of Optical Techniques for Coral Monitoring & Introducing Low-Cost Hyperspectral Imaging

Version 1 : Received: 1 May 2021 / Approved: 3 May 2021 / Online: 3 May 2021 (16:10:43 CEST)

How to cite: Teague, J.; Megson-Smith, D.A.; Allen, M.J.; Day, J.C.; Scott, T.B. A Review of Optical Techniques for Coral Monitoring & Introducing Low-Cost Hyperspectral Imaging. Preprints 2021, 2021050010 (doi: 10.20944/preprints202105.0010.v1). Teague, J.; Megson-Smith, D.A.; Allen, M.J.; Day, J.C.; Scott, T.B. A Review of Optical Techniques for Coral Monitoring & Introducing Low-Cost Hyperspectral Imaging. Preprints 2021, 2021050010 (doi: 10.20944/preprints202105.0010.v1).

Abstract

Monitoring the health of coral reefs is essential to understand the damaging impacts of anthropo-genic climate change. Non-invasive methods to survey coral reefs are the most desirable and op-tics-based surveys, ranging from simple photography to multispectral satellite imaging are well es-tablished. Herein, we review these techniques, focusing on their value for coral monitoring and health diagnosis. A new, low-cost hyperspectral imaging technique using linear variable filters is also described. This system is capable of simultaneously producing hyperspectral and photogrammetric outputs, which provides integrated information of reef structure and physiology.

Keywords

Coral Reef Monitoring; Reef Health; Review; Hyperspectral Imaging; Marine Optics

Subject

EARTH SCIENCES, Atmospheric Science

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