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| Guinet, Christophe; Xing, X.; Walker, E; Monestiez, P; Marchand, S.; Picard, Baptiste; Jaud, T.; Authier, Matthieu; Cotte, Cedric; Dragon, Ac; Diamond, E; Antoine, David; Lovell, P.; Blain, Stephane; D'Ortenzio, Fabrizio; Claustre, Herve. |
| In situ observation of the marine environment has traditionally relied on ship-based platforms. The obvious consequence is that physical and biogeochemical properties have been dramatically undersampled, especially in the remote Southern Ocean (SO). The difficulty in obtaining in situ data represents the major limitations to our understanding, and interpretation of the coupling between physical forcing and the biogeochemical response. Southern elephant seals (Mirounga leonina) equipped with a new generation of oceanographic sensors can measure ocean structure in regions and seasons rarely observed with traditional oceanographic platforms. Over the last few years, seals have allowed for a considerable increase in temperature and salinity profiles from the... |
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| Ano: 2013 |
URL: http://archimer.ifremer.fr/doc/00185/29663/28034.pdf |
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| Mignot, A.; Claustre, H.; D'Ortenzio, F.; Xing, X.; Poteau, A.; Ras, J.. |
| In vivo fluorescence of Chlorophyll-a (Chl-a) is a potentially useful property to study the vertical distribution of phytoplankton biomass. However the technique is presently not fully exploited as it should be, essentially because of the difficulties in converting the fluorescence signal into an accurate Chl-a concentration. These difficulties arise noticeably from natural variations in the Chl-a fluorescence relationship, which is under the control of community composition as well as of their nutrient and light status. As a consequence, although vertical profiles of fluorescence are likely the most recorded biological property in the open ocean, the corresponding large databases are underexploited. Here with the aim to convert a fluorescence profile into... |
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| Ano: 2011 |
URL: https://archimer.ifremer.fr/doc/00248/35968/34492.pdf |
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