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Evaluation of empirical and semi-analytical chlorophyll algorithms in the Ligurian and North Tyrrhenian Seas ArchiMer
Lapucci, Chiara; Rella, Marina Ampolo; Brandini, Carlo; Ganzin, Nicolas; Gozzini, Bernardo; Maselli, Fabio; Massi, Luca; Nuccio, Caterina; Ortolani, Alberto; Trees, Charles.
The estimation of chlorophyll concentration in marine waters is fundamental for a number of scientific and practical purposes. Standard ocean color algorithms applicable to moderate resolution imaging spectroradiometer (MODIS) imagery, such as OC3M and MedOC3, are known to overestimate chlorophyll concentration ([CHL]) in Mediterranean oligotrophic waters. The performances of these algorithms are currently evaluated together with two relatively new algorithms, OC5 and SAM_LT, which make use of more of the spectral information of MODIS data. This evaluation exercise has been carried out using in situ data collected in the North Tyrrhenian and Ligurian Seas during three recent oceanographic campaigns. The four algorithms perform differently in Case 1 and...
Tipo: Text Palavras-chave: Chlorophyll; Algorithm; Moderate resolution imaging spectroradiometer; Tyrrhenian Sea; Ligurian Sea.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00109/21991/19795.pdf
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Monitoring and Assessment guidelines for Marine Litter in Mediterranean MPAs ArchiMer
Galgani, Francois; Deidun, Alan; Liubartseva, Svitlana; Gauci, Adam; Doronzo, Bartholomeo; Brandini, Carlo; Gerigny, Olivia.
As part of the AMARE project, the main purpose of this report is to provide advice and practical guidance, for establishing programmes to monitor and assess the distribution and abundance of marine litter in MPAs. The present document build on relevant existing monitoring and assessment practices in the Mediterranean, such as the existing monitoring practices in UNEP/MAP and within the Marine Strategy Framework Directive. The proposed strategy (defining the sampling scheme, the environmental compartment to monitor and the protocols to be used) is also based on recommendations of the UN GESAMP report on monitoring marine litter (GESAMP, 2019). In addition, it is based on the experience of ongoing monitoring and assessment activities under various scientific...
Tipo: Text Palavras-chave: Marine Litter; Mediterranean Sea; Marine protected areas; Monitoring.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00487/59840/62987.pdf
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Plastic debris occurrence, convergence areas and fin whales feeding ground in the Mediterranean Marine Protected Area Pelagos Sanctuary: a modelling approach ArchiMer
Fossi, Maria Cristina; Romeo, Teresa; Panti, Matteo; Marsili, Letizia; Campani, Tommaso; Canese, Simonepietro; Galgani, Francois; Druon, Jean-noël; Airoldi, Sabina; Taddei, Stefano; Fattorini, Maria; Brandini, Carlo; Lapucci, Chiara.
The Mediterranean Sea is greatly affected by marine litter. In this area, research on the impact of plastic debris (including microplastics) on biota, particularly large filter-feeding species such as the fin whale (Balaenoptera physalus), is still in its infancy. We investigated the possible overlap between microplastic, mesoplastic and macrolitter accumulation areas and the fin whale feeding grounds in in a pelagic Specially Protected Area of Mediterranean Importance (SPAMI): the Pelagos Sanctuary. Models of ocean circulation and fin whale potential habitat were merged to compare marine litter accumulation with the presence of whales. Additionally, field data on microplastics, mesoplastics and macrolitter abundance and cetacean presence were...
Tipo: Text Palavras-chave: Floating plastic debris; Microplastics; Mediterranean Sea; Convergence areas; Modeling; Fin whales; Marine Protected Area.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00386/49763/50356.pdf
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