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Datasets of project "European Station for Time-Series in the Ocean Canary Islands"

Mostrando recursos 1 - 20 de 607

  1. Physical oceanography during POSEIDON cruise POS212/4

    Müller, Thomas J; Knoll, Michaela

  2. Physical oceanography during METEOR cruise M37/2

    Müller, Thomas J; Wefer, Gerold

  3. Geochemistry, fluxes and nitrogen isotopic composition data of traps LP1 and EBC2-1 and cores GeoB4242-4 and Geo4301-1

    Freudenthal, Tim; Neuer, Susanne; Meggers, Helge; Davenport, Robert; Wefer, Gerold
    We compare total and biogenic particle fluxes and stable nitrogen isotope ratios (d15N) at three mooring sites along a productivity gradient in the Canary Islands region with surface sediment accumulation rates and sedimentary d15N. Higher particle fluxes and sediment accumulation rates, and lower d15N were observed in the upwelling influenced eastern boundary region (EBC) compared to the oligotrophic sites north of Gran Canaria [European Station for Time-Series in the Ocean, Canary Islands (ESTOC]] and north of La Palma (LP). The impact of organic matter degradation and lateral particle advection on sediment accumulation was quantified with respect to the multi-year flux...

  4. Particulate organic carbon flux of moored sediment traps

    Neuer, Susanne; Davenport, Robert; Freudenthal, Tim; Wefer, Gerold; Llinás, Octavio; Rueda, Mariá-José; Steinberg, Deborah K; Karl, David Michael
    We report primary production of organic matter and organic carbon removal from three subtropical open ocean time-series stations, two located in the Atlantic and one in the Pacific, to quantify the biological components of the oceanic carbon pump. We find that within subtropical gyres, export production varies considerably despite similar phytoplankton biomass and productivity. We provide evidence that the removal of organic carbon is linked to differences in nutrient input into the mixed layer, both from eddy induced mixing and dinitrogen fixation. These findings contribute to our knowledge of the spatial heterogeneity of the subtropical oceans, which make up more...

  5. Investigation of time series stations along a productivity gradient north of the Canary Islands

    Neuer, Susanne; Freudenthal, Tim; Davenport, Robert; Llinás, Octavio; Rueda, Mariá-José
    Three stations along a productivity gradient north of the Canary Islands were investigated for surface-water properties, particle flux, and composition (biogenic and lithogenic components, and stable nitrogen isotope composition, delta15N) and export production. Investigation sites along the east-west transect off the NW African upwelling margin included the European Station for Time-Series in the Ocean, Canary Islands (ESTOC), one location contiguous to the NW African upwelling zone in the Eastern Boundary Current (EBC) and one station north of the island La Palma (LP). The seasonality of surface-water properties along the transect was mainly influenced by the winter cooling and simultaneous phytoplankton...

  6. Particle flux determined from traps in the Canary Island region

    Neuer, Susanne; Ratmeyer, Volker; Davenport, Robert; Fischer, Gerhard; Wefer, Gerold
    We present a 3 year record of deep water particle flux at the recently initiated ESTOC (European Station for Time-series in the Ocean, Canary Islands) located in the eastern subtropical North Atlantic gyre. Particle flux was highly seasonal, with flux maxima occurring in late winter-early spring. A comparison with historic CZCS (Coastal Zone Colour Scanner) data shows that these flux maxima occurred about 1 month after maximum chlorophyll was observed in surface waters in a presumed primary source region 100 km * 100 km northeast of the trap location. The main components of the particles collected with the traps were...

  7. Flux data from trap CI4

    Neuer, Susanne; Ratmeyer, Volker; Davenport, Robert; Fischer, Gerhard; Wefer, Gerold

  8. Flux data from trap CI3

    Neuer, Susanne; Ratmeyer, Volker; Davenport, Robert; Fischer, Gerhard; Wefer, Gerold

  9. Flux data from trap CI2

    Neuer, Susanne; Ratmeyer, Volker; Davenport, Robert; Fischer, Gerhard; Wefer, Gerold

  10. Flux data from trap LP1_trap

    Neuer, Susanne; Freudenthal, Tim; Davenport, Robert; Llinás, Octavio; Rueda, Mariá-José

  11. Flux data from trap EBC2-1_trap

    Neuer, Susanne; Freudenthal, Tim; Davenport, Robert; Llinás, Octavio; Rueda, Mariá-José

  12. Current meter data at station V367-3, V367307

    Müller, Thomas J

  13. Current meter data at station V367-3, V367306

    Müller, Thomas J

  14. Current meter data at station V367-3, V367305

    Müller, Thomas J

  15. Current meter data at station V367-3, V367304

    Müller, Thomas J

  16. Current meter data at station V367-3, V367303

    Müller, Thomas J

  17. Current meter data at station V367-3, V367302

    Müller, Thomas J

  18. Current meter data at station V367-2, V367207

    Müller, Thomas J

  19. Current meter data at station V367-2, V367206

    Müller, Thomas J

  20. Current meter data at station V367-2, V367205

    Müller, Thomas J

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