Biofouling protection for marine environmental sensors

Type Article
Date 2010
Language English
Author(s) Delauney LaurentORCID1, Compere ChantalORCID2, Lehaitre Michel2
Affiliation(s) 1 : IFREMER, Situ Measurement & Elect Grp, F-29280 Plouzane, France.
2 : IFREMER, Interfaces & Sensors Grp, F-29280 Plouzane, France.
Source Ocean Science (1812-0784) (Copernicus Gesellschaft Mbh), 2010 , Vol. 6 , N. 2 , P. 503-511
DOI 10.5194/os-6-503-2010
WOS© Times Cited 122
Abstract These days, many marine autonomous environment monitoring networks are set up in the world. These systems take advantage of existing superstructures such as offshore platforms, lightships, piers, breakwaters or are placed on specially designed buoys or underwater oceanographic structures. These systems commonly use various sensors to measure parameters such as dissolved oxygen, turbidity, conductivity, pH or fluorescence. Emphasis has to be put on the long term quality of measurements, yet sensors may face very short-term biofouling effects. Biofouling can disrupt the quality of the measurements, sometimes in less than a week. Many techniques to prevent biofouling on instrumentation are listed and studied by researchers and manufacturers. Very few of them are implemented on instruments and of those very few have been tested in situ on oceanographic sensors for deployment of at least one or two months. This paper presents a review of techniques used to protect against biofouling of in situ sensors and gives a short list and description of promising techniques.
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