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Title: Development of a sliding device for extended measurements in coastal waters
Authors: Zappalà, Giuseppe
Marcelli, Marco
Piermattei, Viviana
Keywords: Operational oceanography;Coastal monitoring;Water sampling
Issue Date: 2008
Publisher: WIT Press
Source: Zappalà, G., Marcelli, M., Piermattei, V. 2008. Development of a sliding device for extended measurements in coastal waters. "WIT Transactions on Ecology and the Environment" 111. WIT Press, Southampton, pp. 187-196
Extensive measurements of main sea water parameters (e.g. temperature, salinity, dissolved oxygen, nutrients, bacterial abundance...) are required to investigate marine environment, both to evaluate its state and to quickly detect possible perturbations (arrival of pollutants, anthropogenic contaminants...).
Traditional observing methods cannot offer the flexibility and cost effectiveness needed for extensive monitoring and water quality assessment in coastal areas where important health and economic issues are involved (e.g. aquaculture, tourism).
As a part of the MFSTEP program (EU FP5) a new device was designed and built for pelagic use, the SAVE (Sliding Advanced VEhicle), able to perform continuous profiles of physical and optical measurements on the upper 200 m of the water column.
The original system consists mainly in a depressor, towed at a fixed depth, using a cable on which the main unit slides. Both the depressor and the sliding unit can be equipped with various kinds of sensors.
The new goal was to obtain a coastal version, to be towed from small boats.
A smaller prototype is now under development and test, able to be towed by a very small (8-10 m.) boat, like those commonly used in aquaculture plants, and also fitted with modular water samplers for bacterial or chemical determinations.
The paper gives some first results of this development.
L'articolo è disponibile sul sito dell'editore
ISBN: 978-1-84564-115-3
ISSN: 1743-3541
DOI: 10.2495/WP080181
Appears in Collections:DECOS - Archivio della produzione scientifica

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