New approach to remote sensing of temperature and salinity in natural water samples

C. P. Artlett, H. M. Pask*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Raman spectra for a natural water sample have been comprehensively investigated as a function of temperature and salinity, and we demonstrate that temperature and salinity can be determined from Raman spectra with RMS errors consistently below ±0.2°C and ±0.6 PSU respectively where there is variation only in one parameter. Most significantly, we have applied multivariate methods to show that both temperature and salinity can be determined simultaneously from Raman spectra with RMS errors of ±0.7°C and ±1.4 PSU respectively, and designed a three-channel Raman spectrometer that will be used for future studies.

Original languageEnglish
Pages (from-to)2840-2851
Number of pages12
JournalOptics Express
Volume25
Issue number3
DOIs
Publication statusPublished - 6 Feb 2017

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