Sub-liquid and Atmospheric Measurement (SAM) instrument to autonomously monitor the biochemistry of natural aquatic ecosystems

Miracle Israel Nazarious* (Corresponding Author), Maria-Paz Zorzano Mier, Javier Martin-Torres

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Monitoring the biochemistry of aquatic ecosystems is critical to understanding the biogeochemical cycling induced by microorganisms. They play a vital role in climate-gaseous drivers associated with natural ecosystems, such as methane emission in wetlands and peatlands; gas cycling and fixation: methane, sulfur, carbon, and nitrogen; water quality assessment and remediation; monitoring oxygen saturation due to contamination and algal proliferation; and many more. Microorganisms interact with these environments inducing diurnal and seasonal changes that have been, to date, poorly characterized. To aid with the long-term in-situ monitoring of natural aquatic ecosystems, we designed a Sub-liquid and Atmospheric Measurement (SAM) instrument. This floating platform can autonomously measure various sub-liquid and atmospheric parameters over a long time. This paper describes the design of SAM and illustrates how its long-term operation can produce critical information to complement other standard laboratory-based microbiological studies.
Original languageEnglish
Pages (from-to)2338-2354
Number of pages17
JournalACS ES and T Water
Volume3
Issue number8
Early online date22 Jun 2023
DOIs
Publication statusPublished - 11 Aug 2023

Bibliographical note

Open Access via the ACS Agreement
Ministerio de Ciencia e Innovación - PID2019-104205GB-C21; University of Aberdeen - SF10237-59
Funding
This development work of the SAM instrument was undertaken with the help of the University of Aberdeen’s Round 3 of the “Internal Funding to Pump-Prime Interdisciplinary Research and Impact Activities” (SF10237–59) in 2021/22 and Dr. Allan and Norma Young Foundation “Lab starting grant” (CF95052-11). M.-P.Z. was supported by grant PID2019-104205GB-C21 funded by MCIN/AEI/v10.13039/501100011033.

Acknowledgments
The authors would like to acknowledge the support from the Allan and Norma Young Foundation. They thank and recognize the collaboration with the STFC-funded Boulby Underground Laboratory in Boulby Mine, North Yorkshire, UK, for providing access to deploy the SAM instrument in the brine pool at their facility. They also thank collaborators Dr. Deepak Kumaresan from Queen’s University Belfast and Alexandra Hillebrand-Voiculescu and Catalina Haidau from ″Emil Racovita″ Institute of Speleology, for the campaign to the sulfidic lake and Movile Cave in Mangalia, Romania, in October 2022 and for further testing and deployment of the SAM instrument.

Keywords

  • aquatic ecosystems
  • liquid-atmosphere interaction
  • biogeochemical cycling
  • long-term measurement
  • autonomous monitoring

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