South Pacific
Natural variability of bio-optical properties in Case 1 waters: attenuation and reflectance within the visible and near-UV spectral domains, as observed in South Pacific and Mediterranean waters
... A first study (Morel et al., 2007a) of this dataset was specifically devoted to the exceptional optical properties ob- served in the center of the South Pacific Gyre, near Easter Island. In this zone we ...
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Biochemical characteristics and bacterial community structure of the sea surface microlayer in the South Pacific Ocean
... Abstract. The chemical and biological characteristics of the surface microlayer were determined during a transect across the South Pacific Ocean in October-December 2004. Con- centrations of particulate ...
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An Unprecedented High Incidence of Leptospirosis in Futuna, South Pacific, 2004 - 2014, Evidenced by Retrospective Analysis of Surveillance Data.
... Futuna is a small (64 sq. km), mountainous (Mount Puke at 524 m) tropical island in the South Pacific. The 3,612 inhabitants (2013 census) live in 14 villages along the coast. The population is declining ...
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A dissolved cobalt plume in the oxygen minimum zone of the eastern tropical South Pacific
... the South Pacific gyre is deeper than in olig- otrophic regions in the North and South Atlantic, cobalt in- volved in sustaining phytoplankton productivity in the gyre is heavily recycled and ...
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N<sub>2</sub> fixation in eddies of the eastern tropical South Pacific Ocean
... tropical South Pacific Ocean off Peru, where a large and persistent oxygen-deficient zone is present, mesoscale processes have been reported to occur ...
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Deep-water Ophiuroidea (Echinodermata) from off Chile in the Eastern South Pacific
... Eastern South Pacific region: Astrodia tenuispina (Verrill, 1884), Asteronyx loveni Müller & Troschel, 1842, Ophiolimna bairdi (Lyman, 1883), and Ophiocten amitinum Lyman, ...
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Physical and biogeochemical forcing of oxygen changes in the tropical eastern South Pacific along 86° W: 1993 versus 2009
... of affected areas will result (Vaquer-Sunyer and Duarte, 2008). Expansion of the OMZs would narrow down the habitable depth range of fishes and, along with overfishing, may threaten the sustainability of pelagic ...
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Contribution of picoplankton to the total particulate organic carbon (POC) concentration in the eastern South Pacific
... eastern South Pacific, which present an extreme gradient in trophic conditions: from the hyper-oligotrophic waters of the central gyre to the eutrophic coastal upwelling waters off South ...
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Water column biogeochemistry of oxygen minimum zones in the eastern tropical North Atlantic and eastern tropical South Pacific oceans
... They are understood to mostly originate from sul- fide production in sediments (Fig. To date sulfidic events have been reported from the eastern tropical South Pacific, the Arabian Sea a[r] ...
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Plastid 16S rRNA gene diversity among eukaryotic picophytoplankton sorted by flow cytometry from the South Pacific Ocean.
... available, including one isolated during BIOSOPE [29]. In support of this hypothesis, in all sorted samples where we detected 16S-VIII sequences (this work), the 18S-VIIB clade was also present [12]. The new ...
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Silicon stable isotope distribution traces Southern Ocean export of Si to the eastern South Pacific thermocline
... six South- ern Ocean deep water samples from the Indo-Atlantic sector, collected on expedition 33RR20080204 of R/V Roger Revelle (4 February to 17 March 2008), a CLIVAR ...
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Biogeochemical characteristics of a long-lived anticyclonic eddy in the eastern South Pacific Ocean
... Bird 911 equipped with an oxygen sensor (SBE43, sampling rate 24 Hz; Picheral et al., 2014). Unfortunately, the oxygen sensor could not be calibrated on board. It was cali- brated at the start of the expedition (July ...
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Particle optical backscattering along a chlorophyll gradient in the upper layer of the eastern South Pacific Ocean
... have investigated the scattering properties within a large area of the eastern South Pa- cific Ocean. Far from any land influences, this region is unquestionably Case 1 waters. We found that the backscattering ...
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IODP Expedition 310 Reconstructs Sea Level, Climatic, and Environmental Changes in the South Pacific during the Last Deglaciation
... The preliminary dating results indicate that the cored last deglacial sequence should cover at least the 16,000–8,000 yrs BP time span. Tahiti is therefore the sec- ond region, after Barbados, where coral reef records ...
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Influence of mesoscale eddies on the distribution of nitrous oxide in the eastern tropical South Pacific
... Trapping of highly productive coastal waters in anticyclonic eddies (e.g. eddy A) led to a net enhancement of N-loss processes in its centre both through denitrification and anammox, the[r] ...
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Distribution of lipid biomarkers and carbon isotope fractionation in contrasting trophic environments of the South East Pacific
... Samples were taken at six different sites, so called “long stations”, between Tahiti and the Chilean coast (Table 1). The different explored zones exhibited contrasting trophic environments. First, a mesotrophic area ...
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Dissolved iron distribution in the tropical and sub tropical South Eastern Pacific
... the south east Pacific gyre is mainly ventilated by the Eastern South Pacific Central Water ESPCW characterised by a temperature-salinity rela- tionship that spans over a large range ...
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Bottom water variability in the subtropical northwestern Pacific from 26 kyr BP to present based on Mg / Ca and stable carbon and oxygen isotopes of benthic foraminifera
... substantial south–north gradi- ents in the Pacific (Key et ...North Pacific than in the equatorial and South Pacific ([CO 2− 3 ] ∼ ...
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A Lagrangian analysis of the present-day sources of moisture for major ice-core sites
... and Pacific. The subtropical South Atlantic, Indian, and Pacific oceans provide moisture for the Antarctic ...for South America are the Atlantic and South Pacific, for Europe the ...
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Changing nutrient stoichiometry affects phytoplankton production, DOP build up and dinitrogen fixation – a mesocosm experiment in the eastern tropical North Atlantic
... Moreover, recent field surveys demonstrated the occurrence of N 2 fixation in nutrient rich water masses of the eastern tropical South Pacific (ETSP) and equatorial Atlantic upwelling re[r] ...
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