OMEX II-I Final Report |
The synthesis of OMEX I data have been written up into an internal Final Report that was submitted to the EC. The separate papers within this report are restricted to OMEX II-I project scientists and the officers of the European Commission. The titles of the papers contained in the report are given here for information only, listed by sub-project. Please feel free to contact the primary authors of the papers for further information. Many details contained in the report will be published in peer reviewed journals. |
Executive summary of
scientific achievements Physical structures,
advection and mixing at Goban Spur Ocean-shelf
circulation, exchange and distributions The pattern of
cross-slope depositional fluxes Slope current
dynamics and variability west of Ireland. PANORAMA: a
semi-automated AVHRR and CZCS system for observing coastal and ocean processes. SST-nitrate
relationships in the Celtic Sea for remote sensing of new production. OMEX hydrographic and
nutrient Atlas. The impact of the
ambient density field on variability in the non-linear internal wave field on the Iberian
shelf. Extension of the
Ocean Circulation Model investigating how slope currents at the eastern ocean margin
interact with ocean circulation. Prognostic numerical
model applications. |
Executive summary of scientific achievements. Pelagic production at the Celtic Sea shelf break. Early spring bloom phytoplankton-nutrient dynamics at the
Celtic Sea shelf break. Summertime phytoplankton production and nutrient
transformations at the Celtic Sea shelf break. Nitrogen, chlorophyll and oxygen in biogeochemical
processes related to primary production at the Goban Spur, Celtic Sea. Improved estimation of the f-ratio in natural phytoplankton
assemblages. Phytoplankton pigment chemotaxonomy at the Northeast
Atlantic ocean margin. Microzooplankton community structure at the Goban Spur,
Celtic Sea. Microzooplankton herbivory across the shelf-break at the
Goban Spur, Celtic Sea. Determinations of dissolved organic carbon and nitrogen
fluxes across the Goban Spur using a novel high temperature catalytic oxidation technique.
pCO2 - d13CPOC
relationships in surface waters of the Gulf of Biscay. Distribution and fluxes of calcium carbonate along
continental margin in the Gulf of Biscay. Process influencing metal distributions and concentrations
(Cd, Cu, Mn, Ni, Pb, Zn) at the Northwest European shelf break. Trace elements in the European shelf waters: the cases of
the Celtic margin and the Portuguese coast. |
Biological
Processes Executive summary of scientific achievements. Particle flux across the mid-European continental margin. Seasonality in the surface abundance and flux of algal
pigments at the continental slope determined by HPLC analyses. Close coupling between the surface biological communities
and their vertical and lateral flux at the continental slope at 49N. Seasonal and long-term patterns of mesozooplankton biomass
in the Celtic Sea, derived from CPR data. Seasonal and vertical distributions of mesozooplankton
biomass at the continental shelf edge in the Celtic Sea, as measured by the
Longhurst-Hardy Plankton Recorder and the Continuous Plankton Recorder. Mixing characteristics of the water column in the Goban
Spur shelf break area - an attempt to describe the temperature evolution by
turbulence-closure modelling. Parameterisation of a numerical model containing one and
two microplankton compartments for the Goban Spur region. A depth resolving numerical model of physically forced
microbiology at the European shelf edge. Numerical modelling at the shelf break: integrating field
measurements of chlorophyll, primary production, zooplankton, nitrate, ammonium, oxygen
and sediment properties. Modelling the benthic trophic network. Assessing organic matter mineralisation, degradability and
mixing rate in an ocean margin sediment (Northeast Atlantic) by diagenetic modelling. The sea-floor as the ultimate sediment trap - using
sediment properties to constrain benthic-pelagic exchange processes at the Goban Spur. Conditions at the shelf break off the north Norwegian coast
(6920'N - 7030'N). Sensitivity studies of circulation and ocean-shelf exchange
off northern Norway. Small time and spatial scale variability of phytoplankton
biomass on the north Norwegian shelf in 1995. Abundance and biomass of pico-, nano- and microplankton
along a transect across Norvestbank, north Norwegian shelf. Seasonal patterns in composition and biomass of autotrophic
and heterotrophic nano- and microzooplankton communities on the north Norwegian shelf. Zooplankton biomass distribution and plankton transport at
Nordvestbanken and Malangsdjupet in 1994. Physical and biological factors influencing the seasonal
variation in distribution of zooplankton across the shelf at Nordvestbank, northern
Norway. Seasonal variation of vertical flux of phytoplankton and
biogenic matter at Norvestbank, north Norwegian shelf in 1994. Seasonal variation of nutrients and suspended biomass along
a transect across the Norvestbank, north Norwegian shelf in 1994. Suspended and sedimented faecal pellets along a transect
across and at the shelf break of Nordvestbank, north Norwegian shelf. Macrozooplankton faecal pellet contribution to carbon flux
at a northern Norwegian shelf break. Hydrography and plankton interactions: attempts to
calculate fluxes by use of a dynamic 3-D model concept with observational data in a highly
advective environment. |
Benthic Processes Executive summary of
scientific achievements. Suspended sediment
distribution along the shelf edge and slope of Northwest Europe. 210Pb in
sediments on the continental shelf edge, slope and rise of the eastern North Atlantic.. Late glacial to
recent accumulation fluxes of sediments at the shelf edge and slope of Glacial-interglacial
switching of organic carbon sources supplying the slope of Northwest Europe, 48 - 50N. Analysis of
sedimentary carbon and nitrogen along the north-west European continental margin:
intercomparative analysis by OMEX laboratory. Spatial and temporal
variability of particulate matter in the benthic boundary layer at the north east Atlantic
continental margin (Celtic Sea, Goban Spur). Benthic
denitrification and nitrogen cycling along the slope and rise of the Celtic Margin. Release of dissolved
organic carbon from Celtic Margin sediments and its significance for benthic carbon
cycling. Factors governing
abundance of hydrolyzable amino acids in the sediments from the Goban spur transect. Patterns of benthic
faunae and benthic respiration on the Celtic continental margin in relation to the
distribution of phytodetritus. Late-summer mass
deposition of gelatinous phytodetritus along the continental slope of Southwest Ireland. Small benthic size
classes along the western European continental margin: spatial and temporal variability in
activity and biomass. Meiofauna: macrofauna
ratios along the continental slope of the Goban Spur (NE Atlantic) in relation to food
availability. Feeding types of the
benthic community and particle transport across the continental slope of the Goban Spur. Benthic-pelagic
coupling: the role of the benthic biota in the exchange processes through the benthic
boundary layer of the Goban Spur area. Is the continental
shelf off Tagus acting as a sediment trap? Geoqumica dos
aminocidos hidrolizveis em sedimentos da margem este do Atlntico norte. Matria em
suspenso: do esturio do Tejo para a plataforma continental adjacente |
Carbon
Cycling and Biogases Executive summary of scientific achievements. Fluxes of
especially carbon dioxide in the marine atmospheric surface layer Fluxes in the marine
atmospheric surface layer: CO2, momentum, heat and vapour; aerosols and
bubbles. Overview of the data from
RIS/TNO instrument packages. Inorganic d13C
and methane in European margin waters. The distribution of dissolved
dimethylsulphide at the European continental margin. Dimethylsulphide emission
rates from European continental margins and shelves. |
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