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Monday, July 27, 2020 | History

1 edition of Particle fluxes, Northeastern Nordic Seas, 1983-1986 found in the catalog.

Particle fluxes, Northeastern Nordic Seas, 1983-1986

Particle fluxes, Northeastern Nordic Seas, 1983-1986

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  • 29 Currently reading

Published by Woods Hole Oceanographic Institution in Woods Hole, Mass .
Written in English

    Subjects:
  • Marine sediments -- Norwegian Sea.,
  • Marine sediments -- Greenland Sea.,
  • Marine sediments -- Arctic Ocean.,
  • Suspended sediments -- Norwegian Sea.,
  • Suspended sediments -- Greenland Sea.,
  • Suspended sediments -- Arctic Ocean.

  • Edition Notes

    Statementby Susumu Honjo ... [et al.].
    SeriesNordic Seas sedimentation data file -- v. 1., WHOI-87-17, WHOI (Series) -- 87-17., Technical report (Woods Hole Oceanographic Institution)
    ContributionsHonjo, Susumu.
    The Physical Object
    Pagination84 p. :
    Number of Pages84
    ID Numbers
    Open LibraryOL16119084M

    The geomagnetic field is part of the shield prohibiting energetic particles of solar and cosmic origin directly hitting the Earth surface. During geomagnetic polarity transitions the geomagnetic field strength significantly decreases with energetic particles having a much better access to the atmosphere and surface. To study in more detail the flux of energetic particles into the. Particle fluxes are an integral part of marine biogeochemical cycling and mediate the transfer of material from the surface ocean to depth. Throughout this process, particles are subjected to a suite of biological and physical processes that influence element and compound composition. Understanding these myriad factors is therefore critical for examining an array of marine biogeochemical.

    The flux of particles measured by sediment traps in the deep water of the Sargasso Sea and western tropical North Atlantic undergoes pronounced temporal variation. In the Sargasso Sea the variability is largely due to seasonal changes in mixed-layer depth and attendant changes in primary productivity affecting a wide region. By contrast, the variability in the western tropical Atlantic appears. Monaco A, Biscaye P, Soyer J, Pocklington R, Heussner S () Particle fluxes and ecosystem response on a continental margin: the – Mediterranean ECOMARGE experiment. Cont Shelf Res – CrossRef Google Scholar.

    inter-annual variability of vertical particle fluxes in the Ross Sea and to understand the factors influencing the quantity and the quality of the trapped material. For this pur-pose, we analysed the sediment trap samples collected at two different depths ( and m) from the Mooring site A during and This site is part of the Italian. Fluxes of Particulate Matter in the South China Sea / M.G. Wiesner, L. Zheng, H.K. Wong, Y. Wang and W. Chen Vertical Particle Flux in the Western Pacific Below the North Equatorial Current and the Equatorial Counter Current / S. Kempe and H. Knaack Vertical Particle Flux in Lake Baikal / S. Kempe and M. Schaumburg


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Particle fluxes, Northeastern Nordic Seas, 1983-1986 Download PDF EPUB FB2

Co Particle Fluxes, (V Northeastern Nordic Seas Sponsored by Office of Naval Research Arlington, Virginia USA 37 WHOI 17 Particle Fluxes, North-Eastern Nordic Seas: (Nordic Seas Sedimentation Data File, Vol.

1) by Susumu Honjo, Steven J. Manganini, Amy Karowe, Bonnie L. Woodward. Nordic Seas Sedimentation Data File, Vol. 1, Technical Report WHOI, 84 pp.

HONJO S., C. WOODING and G. WEFER (b) Current measurements from the northern Nordic Seas: Nordic Seas Sedimentation Data File. Vol. 1, Technical Report WHOI, 65 pp. HONJO S., G. WEEER, S. MANGANINI, V. ASPER and J. THIEDE (submitted Cited by:   6. Honjo, S., Manganini, S. J., Karowe, A.

& Woodward, B. Particle Fluxes, Northeastern Nordic Seas –Nordic Seas Sedimentation Data File Vol. 1, Woods Cited by:   The variability of particle fluxes seemed to be due to spring thaw processes rather than to the occurrence of larger open seas.

As observed in the Bransfield Strait, faecal pellet transport played an important role in the vertical transport of material. Particle fluxes, northeastern Nordic Seas Nordic Seas Sedimentation Data File Cited by: Abstract.

A decade of particle flux measurements providse the basis for a comparison of the eastern and western province s of the Nordic Seas. Ice-related physical and biological seasonality as well as pelagic settings jointly control fluxes in the western Polar Province which Cited by: Thunell, R.C., Particle fluxes in a coastal upwelling zone: sediment trap results from Santa Barbara Basin, California, Deep-Sea Research II, 45,b.

Thunell, R.C., Seasonal and annual variability in particle fluxes in the Gulf of California: A response to climate forcing, Deep-Sea Research I, 45,a.

The studies of vertical particle fluxes were performed in – in Dalnezelenetskaya Inlet (the Barents Sea) and Chupa Inlet (the White Sea). The average annual particle flux in Dalnezelenetskaya Inlet was 20–21 cm3/(m2 day), or – mg/(m2 day), while, in Chupa Inlet, it was 17–18 cm3/(m2 day), or – mg/(m2 day).

The sedimentary matter is mostly represented by. Particle Fluxes Before sediment traps were widely used, the determination of particle fluxes in the ocean centered on measuring the size and abundance of particles, estimat- ing their density, and calculating a flux based on Stokesian settling velocities (Lal and Lerman, ).

McCave (). No such distinct seasonality of particle flux was noticed in the BoB [Unger and Jannerjhan, ], except in the south where the enhanced biogenic flux was linked to wind mixing.

However, Ittekkot et al. noticed strong correlation between large freshwater fluxes associated with summer monsoon and elevated particle flux to the deep BoB.

Introduction [2] The net uptake of CO 2 by marine organisms in the upper ocean and its subsequent export into the deep sea and further into the sediment is referred to as the biological pump [Volk and Hoffert, ].The CO 2 uptake efficiency of the biological pump is strongly dependent on the ratio of organic carbon to carbonate exported from euphotic zone [Berger and Kier, ].

Book January the simultaneous observation of the fluxes linking the Nordic Seas with adjacent oceans was combined with numerical modelling, providing an opportunity to synthesise the. From September to October a sediment trap system was moored in the northern South China Sea at 18°28'N, °01'E to sample particle flux.

The studies of vertical particle fluxes were performed in in Dalnezelenetskaya Inlet (the Barents Sea) and Chupa Inlet (the White Sea). The average annual particle flux in Dalnezelenetskaya Inlet was cm 3 /(m 2 day), or mg/(m 2 day), while, in Chupa Inlet, it was cm 3 /(m 2 day), or mg/(m 2 day).

Nordic Sea Particle Fluxes The annual Iceland Sea particle fluxes for the years and have been compared to several time series sediment trap particle fluxes in the Nordic Sea.

We find a dramatic difference between deep ocean total particulate fluxes in areas influenced by Atlantic waters, and fluxes collected in areas influenced. The Subarctic seas as a source of Arctic change. The inflow of Atlantic water, heat, and salt to the Nordic Seas across the Greenland-Scotland Ridge 2.

Flux of heat, salt and mass to the Arctic Ocean via Norway Coast and Barents Sea 3. Flux of heat, salt and mass to the Arctic Ocean via Fram Strait. Eberhard Fahrbach 4. Concentrations, size distributions and particle number vertical turbulent fluxes were measured by the eddy-covariance method at an urban background site in southeastern Italy during the summer.

CO2/H2O concentrations and fluxes were also determined together with meteorological parameters. Time series show that particles could be divided into two size classes with negatively-correlated temporal. Quasilinear and neoclassical particle fluxes and their relation to the density profiles in helical plasmas are discussed, by taking the Large Helical Device (LHD) [O.

Motojima et al., Nucl. Fus ()] as a representative s magnetic configurations can be realized in the LHD experiments by changing the coil currents.

The neoclassical particle flux shows strong. Deep-water carbon fluxes measured south of the plateau ( g C m-2 yr-1) are consistent with previous measurements in a similar environment. In the +Fe region to the north, deep water fluxes were g C m-2 yr-1 indicating that natural iron fertilisation can increase the strength of the biological carbon pump by a factor of 4.

A hydrothermal vent is a fissure on the seafloor from which geothermally heated water issues. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart at spreading centers, ocean basins, and hotspots. Hydrothermal deposits are rocks and mineral ore deposits formed by the action of hydrothermal vents.

Using a research strategy analogous to modern sediment trap studies, sediment accumulation patterns on submarine rises can be interpreted in terms of past ocean chemistry and circulation. We have followed this research strategy to reconstruct the history of surface water productivity and deep-water chemistry and circulation in the eastern equatorial Atlantic (Sierra Leone Rise) and western.

This study presents new data on biogenic and terrigenous particle fluxes collected by an oceanographic mooring (Mooring A) deployed in the south-western Ross Sea (Antarctica) in the frame of the Italian Long-Term Ecological Research network (LTER-Italy). Results from the years and document high mass fluxes during the summer and early autumn seasons, not coincident with the algal bloom.

We analyze neutron monitor data of solar cosmic rays in order to obtain information about their sources. We use three methods for these data analysis.

As result, we obtain a set of evidences for two separate solar cosmic rays sources that we call as prompt and delayed components. We attempt here to substantiate a two sources scenario for the generation of both components.

Particle fluxes and moving fluids: Experience from synchronous trap collection in the Sargasso Sea. Deep-Sea Res Part A – Ha H, Wåhlin A, Kim T, Lee S, Lee J, et al. Circulation and modification of warm deep water on the central Amundsen Shelf.

J Phys Oceanogr – Hansell DA.