Recent achievements of the NEMO project

Migneco, E.; Aiello, S.; Aloisio, A.; Ameli, F.; Amore, I.; Anghinolfi, M.; Anzalone, A.; Barbarino, G. C.; Barbarito, E.; Battaglieri, M.; Bazzotti, M.; Bellotti, R.; Bersani, A.; Beverini, N.; Biagi, S.; Bonori, M.; Bouhdaef, B.; Brescia, M.; Cacopardo, G.; Calı̀, C.; Capone, A.; Caponetto, L.; Carminati, G.; Cassano, Bartolomeo; Castorina, Emanuele; Ceres, A.; Chiarusi, T.; Circella, M.; Cocimano, R.; Coniglione, R.; Cordelli, M.; Costa, M.; D’Amico, Antonio; D’Amato, Claudio; D’Amato, Vittorio; Bonis, G. De; Rosa, G. De; Ruvo, G. De; Vita, R. De; Distefano, C.; Falchini, E.; Flaminio, V.; Fratini, K.; Gabrielli, Alessandro; Galeotti, S.; Gandolfi, E.; Giacomelli, G.; Giorgi, F. M.; Giovanetti, Gabriele; Grimaldi, A.; Grmek, A.; Habel, R.; Leonora, E.; Lonardo, A.; Longo, Giuseppe; Presti, D. Lo; Lucarelli, F.; Maccione, Luca; Margiotta, A.; Martini, A.; Masullo, R.; Maugeri, F.; Megna, Rosario; Minutoli, S.; Mongelli, M.; Montaruli, T.; Morganti, M.; Musico, P.; Musumeci, M.; Nicolau, C. A.; Orlando, A.; Osipenko, M.; Osteria, G.; Papaleo, R.; Pappalardo, V.; Petta, C.; Piattelli, P.; Piombo, D.; Raia, G.; Randazzo, N.; Reito, S.; Ricco, G.; Riccobene, G.; Ripani, M.; Rovelli, A.; Ruppi, M.; Russo, G.; Russo, Stefano; Sapienza, P.; Sedita, M.; Shirokov, E. V.; Simeone, F.; Sipala, V.; Sollima, C.; Speziale, F.; Spurio, M.; Taiuti, M.; Terreni, G.; Trasatti, L.; Urso, S.; Valente, V.; Vecchi, M.; Vicini, P.; Wischnewski, R.

doi:10.1016/j.nima.2008.01.012

Cited by 53 publications

(19 citation statements)

References 18 publications

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“…S earching for a site suitable for the implementation of a neutrino detector, within the Neutrino Mediterranean Observatory (NEMO) project [1][2][3] , a long-term mooring was established to monitor oceanic abyssal currents in the Eastern Mediterranean (EM) basin at the KM4 site (Fig. 1a).…”

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confidence: 99%

Abyssal undular vortices in the Eastern Mediterranean basin

et al. 2012

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Abyssal temperature and velocity observations performed within the framework of the neutrino mediterranean observatory, a project devoted to constructing a km 3 -scale underwater telescope for the detection of high-energy cosmic neutrinos, demonstrate cross-fertilization between subnuclear physics and experimental oceanography. Here we use data collected south of sicily in the Ionian abyssal plain of the Eastern mediterranean (Em) basin to show for the first time that abyssal vortices exist in the Em, at depths exceeding 2,500 m. The eddies consist of chains of near-inertially pulsating mesoscale cyclones/anticyclones. They are embedded in an abyssal current flowing towards north-northwest. The paucity of existing data does not allow for an unambiguous determination of the vortex origin. A local generation mechanism seems probable, but a remote genesis cannot be excluded a priori. The presence of such eddies adds further complexity to the discussion of structure and evolution of water masses in the Em.

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confidence: 99%

Abyssal undular vortices in the Eastern Mediterranean basin

et al. 2012

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“…The propagation delays have been proven to remain 7 Model SMID TR-401. 8 Sensor Technology Ltd. 9 Symmetricom XLi. 10 Altera Cyclone III.…”

Section: Time Calibration Systemmentioning

confidence: 99%

“…Since 1998, the NEMO (NEutrino Mediterranean Observatory) collaboration carried out research activities aimed at developing and validating key technologies for a km 3 -scale underwater neutrino telescope [7][8][9][10] as well as searching and characterizing a deep-sea site suitable for the installation of the detector. The first pilot project, NEMO Phase-1, dates back to 2007 when a prototype tower was deployed at a depth of 2000 m in a Test Site located about 20 km offshore Catania (Italy).…”

Section: Introductionmentioning

confidence: 99%

Long term monitoring of the optical background in the Capo Passero deep-sea site with the NEMO tower prototype

et al. 2016

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The NEMO Phase-2 tower is the first detector which was operated underwater for more than 1 year at the "record" depth of 3500 m. It was designed and built within the framework of the NEMO (NEutrino Mediterranean Obsera e-mail: pellegriti@lns.infn.it b e-mail: piattelli@lns.infn.it vatory) project. The 380 m high tower was successfully installed in March 2013 80 km offshore Capo Passero (Italy). This is the first prototype operated on the site where the Italian node of the KM3NeT neutrino telescope will be built. The installation and operation of the NEMO Phase-2 tower has proven the functionality of the infrastructure and the operability at 3500 m depth. A more than 1 year long monitoring 123 68 Page 2 of 11 Eur. Phys. J. C (2016) 76 :68 of the deep water characteristics of the site has been also provided. In this paper the infrastructure and the tower structure and instrumentation are described. The results of long term optical background measurements are presented. The rates show stable and low baseline values, compatible with the contribution of 40 K light emission, with a small percentage of light bursts due to bioluminescence. All these features confirm the stability and good optical properties of the site.

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“…6 are the results of the detection and classification of impulses at the level of 22 s segments. These results were obtained on data from the NEMO-ONDE deep-sea observatory (Migneco et al, 2008;Riccobene et al, 1995), which is bottom mounted at À2000 m depth east of the Sicilian coast. A neural network was trained with a data set recorded in May and tested with a data set recorded in August 2005 (a) and vice versa (b).…”

Section: Assessment Of Classification Performancementioning

confidence: 99%

Listening to the Deep: Live monitoring of ocean noise and cetacean acoustic signals

André

Schaar

Zaugg

et al. 2011

Marine Pollution Bulletin

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a b s t r a c tThe development and broad use of passive acoustic monitoring techniques have the potential to help assessing the large-scale influence of artificial noise on marine organisms and ecosystems. Deep-sea observatories have the potential to play a key role in understanding these recent acoustic changes. LIDO (Listening to the Deep Ocean Environment) is an international project that is allowing the real-time longterm monitoring of marine ambient noise as well as marine mammal sounds at cabled and standalone observatories. Here, we present the overall development of the project and the use of passive acoustic monitoring (PAM) techniques to provide the scientific community with real-time data at large spatial and temporal scales. Special attention is given to the extraction and identification of high frequency cetacean echolocation signals given the relevance of detecting target species, e.g. beaked whales, in mitigation processes, e.g. during military exercises.

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Recent achievements of the NEMO project

Cited by 53 publications

References 18 publications

Abyssal undular vortices in the Eastern Mediterranean basin

Abyssal undular vortices in the Eastern Mediterranean basin

Long term monitoring of the optical background in the Capo Passero deep-sea site with the NEMO tower prototype

Listening to the Deep: Live monitoring of ocean noise and cetacean acoustic signals

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