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- Title
Observed and simulated trophic index (TRIX) values for the Adriatic Sea basin.
- Authors
Fiori, Emanuela; Zavatarelli, Marco; Pinardi, Nadia; Mazziotti, Cristina; Ferrari, Carla Rita
- Abstract
The main scope of the Marine Strategy Framework Directive is to achieve good environmental status (GES) of the EU's marine waters by 2020, in order to protect the marine environment more effectively. The trophic index (TRIX) was developed by Vollenweider in 1998 for the coastal area of Emilia-Romagna (northern Adriatic Sea) and was used by the Italian legislation to characterize the trophic state of coastal waters. We compared the TRIX index calculated from in situ data ("in situ TRIX") with the corresponding index simulated with a coupled physics and biogeochemical numerical model ("model TRIX") implemented in the overall Adriatic Sea. The comparison between in situ and simulated data was carried out for a data time series on the Emilia-Romagna coastal strip. This study shows the compatibility of the model with the in situ TRIX and the importance of the length of the time series in order to get robust index estimates. The model TRIX is finally calculated for the whole Adriatic Sea, showing trophic index differences across the Adriatic coastal areas.
- Subjects
TROPHIC state index; BIOGEOCHEMICAL cycles; RAINFALL; RISK assessment; ECONOMIC impact
- Publication
Natural Hazards & Earth System Sciences, 2016, Vol 16, Issue 9, p2043
- ISSN
1561-8633
- Publication type
Article
- DOI
10.5194/nhess-16-2043-2016