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Deep seawater inherent optical properties in the Southern Ionian Sea

Riccobene, G. and Capone, Antonio and Aiello, Sebastiano and Ambriola, M. and Ameli, Fabrizio and Amore, I. and Anghinolfi, Marco and Anzalone, A. and Avanzini, C. and Barbarino, G. and Barbarito, E. and Battaglieri, Marco and Bellotti, Roberto and Beverini, N. and Bonori, M. and Bouhadef, B. and Brescia, M. and Cacopardo, G. and Cafagna, F. and Caponetto, Luigi and Castorina, E. and Ceres, A. and Chiarusi, T. and Circella, M. and Cocimano, R. and Coniglione, R. and Cordelli, M. and Costa, M. and Cuneo, S. and D'Amico, A. and De Bonis, G. and De Marzo, C. and De Rosa, G. and De Vita, R. and Distefano, C. and Falchini, E. and Fiorello, C. and Flaminio, V. and Fratini, K. and Gabrielli, A. and Galeotti, S. and Gandolfi, E. and Grimaldi, Anna and Habel, R. and Leonora, Emanuele and Lonardo, A. and Longo, G. and Lo Presti, Domenico and Lucarelli, F. and Maccioni, E. and Margiotta, A. and Martini, A. and Masullo, R. and Megna, R. and Migneco, Emilio and Mongelli, M. and Montaruli, T. and Morganti, M. and Musumeci, M. and Nicolau, C.A. and Orlando, A. and Osipenko, M. and Osteria, G. and Papaleo, R. and Pappalardo, V. and Petta, Catia and Piattelli, P. and Raffaelli, F. and Raia, G. and Randazzo, Nunzio and Reito, Santo and Ricco, G. and Ripani, M. and Rovelli, A. and Ruppi, M. and Russo, Giovanni Valerio and Russo, Saverio and Sapienza, Paola and Sedita, M. and Schuller, J.P. and Shirokov, E. and Simeone, F. and Sipala, Valeria and Spurio, M. and Taiuti, Mauro and Terreni, G. and Trasatti, L. and Urso, S. and Valente, V. and Vicini, P. (2007) Deep seawater inherent optical properties in the Southern Ionian Sea. Astroparticle physics, Vol. 27 (1), p. 1-9. ISSN 0927-6505. eISSN 1873-2852. Article.

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DOI: 10.1016/j.astropartphys.2006.08.006

Abstract

The NEMO (NEutrino Mediterranean Observatory) Collaboration has been carrying out since 1998 an evaluation programme of deep sea sites suitable for the construction of the future Mediterranean km3 Čerenkov neutrino telescope. We investigated the seawater optical and oceanographic properties of several deep sea marine areas close to the Italian Coast. Inherent optical properties (light absorption and attenuation coefficients) have been measured as a function of depth using an experimental apparatus equipped with standard oceanographic probes and the commercial transmissometer AC9 manufactured by WETLabs. This paper reports on the visible light absorption and attenuation coefficients measured in deep seawater of a marine region located in the Southern Ionian Sea, 60–100 km SE of Capo Passero (Sicily). Data show that blue light absorption coefficient is about 0.015 m-1 (corresponding to an absorption length of 67 m) close to the one of optically pure water and it does not show seasonal variation.

Item Type:Article
ID Code:9619
Status:Published
Refereed:Yes
Uncontrolled Keywords:Underwater Čerenkov, neutrino telescope, deep seawater optical properties, light attenuation, light absorption
Subjects:Area 02 - Scienze fisiche > FIS/07 Fisica applicata (a beni culturali, ambientali, biologia e medicina)
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Chimica e Farmacia
Publisher:Elsevier
ISSN:0927-6505
eISSN:1873-2852
Copyright Holders:© published by Elsevier 2006
Deposited On:12 Feb 2014 13:04

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