Showing papers in "Journal of Marine Systems in 2001"

TL;DR: In this article, an Eulerian theory of the age is presented, in which advection, diffusion, production and destruction phenomena are properly accounted for, and the mean age of a set of particles is evaluated as the mass-weighted average of the ages of the particles under study.

TL;DR: In this article, the spatial structure and the temporal variability of the surface currents, at meso-to seasonal scales, are described in terms of Eulerian and Lagrangian statistics estimated from the low-pass filtered drifter velocities.

TL;DR: In this article, the authors used data collected on 52 cruises from 1960 to 1995 to analyze the decadal variability in basic chemical properties (oxygen, sulfide, nitrate, phosphate and silicate) throughout the water column of the Black Sea.

TL;DR: In this paper, a data assimilation technique is used with a simple but widely used marine ecosystem model to optimize poorly known model parameters, and a thorough analysis of the a posteriori errors to be expected for the estimated parameters was carried out.

TL;DR: In this article, the authors carried out a first study of the hydrography and dynamics of the Agulhas Return Current along its full length using a collection of available modern hydrographic data.

TL;DR: In this paper, a model/data comparison was performed between simulated drifters from a high-resolution numerical simulation of the North Atlantic and a data set from in situ surface drift data, using pseudo-Eulerian statistics such as mean velocity and eddy kinetic energy.

TL;DR: In this article, a reduced gravity model was proposed to predict the behavior of the Mediterranean plume in the Bosphorus Strait and the continental shelf of the Black Sea, showing that the slope and fine-scale features of the bottom topography are crucial elements in determining plume behavior.

TL;DR: A data and dynamics driven approach to estimate, decompose, organize and analyze the evolving three-dimensional variability of ocean fields is outlined in this article, where the variability subspace defined by the dominant eigendecomposition of a normalized form of the variability covariance is evolved.

TL;DR: In this article, a real-time assimilation and forecasting system for coastal currents is presented, where spatial covariances derived from an ocean model are used instead of simplified mathematical formulations.

TL;DR: In this paper, a new equation was developed whereby DMS is predicted from the product of chlorophyll (C, mg m −3 ), light ( J, mean daily shortwave, W m −2 ) and a nutrient term (Q, dimensionless) using a broken-stick regression.

TL;DR: In this paper, the development and evolution of the two river plumes exhibit the following common characteristics: buoyancy-driven flow is characterised by an anticyclonic bulge seaward of the river mouth and a coastal current south of the discharge site contained within a narrow strip along the coast.

TL;DR: The low impact of zooplankton on autotrophic production, the low values of the index of growth and the distribution of biomass in relation to the presence of eddies downstream of Gran Canaria suggest that accumulation was the causative mechanism for the presenceof high zoopLankton biomass leeward of the island.

TL;DR: In this paper, the results of a combined empirical orthogonal function (EOF) analysis of Advanced Very High Resolution Radiometer (AVHRR) sea surface temperature (SST) data and sea-viewing wide field-of-view sensor (SeaWiFS) chlorophyll concentration data over the Alboran Sea (Western Mediterranean), covering a period of 1 year (November 1997-October 1998), were presented.

TL;DR: In this paper, a detailed diagnostic analysis of hydrographic and current meter data from three, rapidly repeated, fine-scale surveys of the Almeria-Oran front is presented.

TL;DR: In this paper, the hydrographic dome related to a cyclonic gyre is depicted until approximately 150m depth, where the vertical mixing of water between the mixed-layer and the ones below practically does not occur because of the development of a sharp pycnocline.

TL;DR: In this paper, the distribution of nutrients, oxygen, total dissolved inorganic carbon (C T ) and total alkalinity ( A T ) along three sections close to the Canary Islands, between 18°W and the African coast during Meteor 37/2 cruise (January 1997).

TL;DR: In this paper, a detailed diagnostic analysis of hydrographic and current meter data from three, rapidly repeated, fine-scale surveys of the Almeria-Oran front is presented.

TL;DR: In this article, the results from an experiment to assimilate satellite altimeter significant wave height (SWH) data into an ocean wave model are presented, where data from the European Remote-sensing Satellite 2 (ERS-2) are used.

TL;DR: In this article, a stationary one-dimensional model of vertical exchange in the Black Sea is presented, which is based on the balance of heat, mass of salt and mass of water for the entire basin.

TL;DR: The surface distribution of light attenuation due to particles (c) as well as chlorophyll-a and gelbstoff fluorescence (Fch and Fcd) were recorded during an OMEGA (EU funded, MAST III project) cruise in the northwestern Alboran Sea through a high spatial (zonally separated by 10 km and virtually meridionally continuous) and temporal (about 3 days between each of the three repeated surveys made in the zone) resolution sampling design as mentioned in this paper.

TL;DR: In this paper, the biological processes involved during mixing of a river plume with the marine underlying water were studied off the Rhone River outlet, where samples of suspended and dissolved matter were collected while tracking a drifting buoy.

TL;DR: In this paper, the authors used a Gauss-Markov Lagrangian particle model, which relies on the estimate of climatological mean flow field, persistence of turbulence, and assimilation of velocity data from the surrounding drifters through a Kalman filtering technique.

TL;DR: In this paper, a survey of mesozooplankton abundance and composition in the Levantine Sea has been carried out, showing a strong temporal variability in abundance, composition and diversity.

TL;DR: In this article, the authors analyzed the variability of sea level and water balance in the Black Sea and found that the main signal in the transport is the seasonal one, with maximum values in March-April and minimum in August.

TL;DR: In this paper, a new method to calculate the anthropogenic CO 2 ant within the water column of the North Atlantic Ocean is presented, which exploits the equilibrium chemistry of the carbonate system with reference to temperature, salinity and the partial pressure of atmospheric CO 2 (p CO 2,atm ).

TL;DR: Satellite images of surface chlorophyll and of sea surface temperature derived from advanced very high resolution radiometer (AVHRR) measurements, combined with in-situ drifter measurements of surface currents, and ancillary wind, Po River discharge and surface salinity data, are used to describe the surface dynamics in the northern Adriatic during the period September-October 1997 as discussed by the authors.

TL;DR: In this paper, a model for calculating the rate of the gas hydrate formation and decomposition is developed based on the work of Englezos et al. [Chem. Eng. Sci. 42 (1987) 2647] and Kim et al., who used the model to calculate the fate of gas bubbles as they travel though the water column.

TL;DR: Biological responses to upwelling are shown to be dependent on the background nitrate profile, and dynamic partitioning of phytoplankton biomass and production between the classes is controlled by biological responses to transport.

TL;DR: In this paper, the interannual variability of the abundance and biomass of benthic fauna at coastal and offshore areas was related to climate variability using a multivariate regression model.