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Title

Bio-optical monitoring of the semi-enclosed Alfacs Bay (NW Mediterranean): A multiscale characterization and new Citizens‘ observatories

AuthorsTorrecilla, Elena ; Piera, Jaume ; Bracher, A.; Bardají, Raúl ; Ramírez-Pérez, Marta ; Wiegmann, Sonja; Gonçalves, Rafael; Zafra, Eloy
Issue Date16-Dec-2013
CitationAnnual Challenger Society and RSPSoc - Marine Optics Special Interest Group Meeting (2013)
AbstractThe Alfacs Bay hosts an important active shellfish production area (mainly mussel and oyster) and since 1991 has been regularly monitored for environmental parameters. The presence of different toxins in bivalves has been reported. In that sense, knowledge of the variability of bio-optical properties of this area has become essential, as it can be an important indicator of the health of such a complex and biologically productive coastal environment. This work provides a description of two ongoing research initiatives with regard to improve our ability to assess changes in turbidity, diversity and distributions of species, including harmful algal blooms in the Alfacs Bay. First, the Phytoscope project (phytoscope-project.icm.csic.es) will be introduced. It aims to investigate the usefulness of high-resolved oceanographic data (in the 3 domains: spatial, temporal and taxonomical) for better discrimination of phytoplankton composition and dynamics, related to processes at a global scale and a local scale (focused on Alfacs Bay as a study site). In order to overcome this challenge, different methodologies based on hyperspectral optical sensors and high spatial-temporal resolution autonomous platforms are being optimized. Here, the attention will be payed to the local-scale-based approach, in which we investigate the short time-space scale variability of optical properties and phytoplankton taxonomy in the Alfacs Bay. Second, our participation in the Citclops FP7 project (www.citclops.eu) will be described, which involves the promotion of Citizen's observatories by developing systems to retrieve data on seawater transparency, using low-cost optical sensors combined with contextual information and a community-based Internet platform. A prototype of buoy to estimate water transparency at Alfacs Bay from light irradiance measurements at different depths is under development. This buoy, based on the Arduino open-source electronics prototyping platform and conceived as a >do-it-yourself> (DIY) technology, will impulse the participation of young people and citizen science oriented sensors.pl
DescriptionAnnual Challenger Society and RSPSoc - Marine Optics Special Interest Group Meeting, 16-17 December 2013, Plymouth, United Kingdom
Publisher version (URL)http://futurecoasts.org/accessible_science/events_page/marinexus_meeting/presentations.aspx
URIhttp://hdl.handle.net/10261/97084
Appears in Collections:(ICM) Comunicaciones congresos
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