What is it about?
This is a review of the state-of-the-art of distributed fibre optic sensors (DOFS) applied to geo-hazards, i.e. floods, landslides and subsidence. The technologies that are covered include Raman-based distributed temperature sensing systems, Brillouin and Rayleigh-based distributed strain and temperature sensing systems. The conclusions offer a personal view of the future perspectives about DFOS, current limitations and research opportunities.
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Why is it important?
It offers a wide view about the topic with a broad and updated bibliography (224 references). It is recommended for researchers and stakeholders that want to know more about DFOS in geo-hazards monitoring.
Perspectives
The author is a photonic engineer that started to do research about geo-monitoring 10 years before the paper was written, and the paper somehow reflects this path and the author perspectives. The paper supports the holistic view of monitoring, according to which three competences, actively cooperating, are needed to have a working system: the photonic expert, the system integrator and the geo-hazards expert.
Dr Luca Schenato
National Research Council Italy
Read the Original
This page is a summary of: A Review of Distributed Fibre Optic Sensors for Geo-Hydrological Applications, Applied Sciences, September 2017, MDPI AG,
DOI: 10.3390/app7090896.
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