Journal ArticleDOI
Winter dynamics on the northern Portuguese shelf. Part 1: physical processes
TLDR
In this article, a program of observations carried out on the northern Portuguese shelf and slope, between July 1996 and June 1999, was used to characterise the main physical processes of the winter regime.About:
This article is published in Progress in Oceanography.The article was published on 2002-01-01. It has received 147 citations till now. The article focuses on the topics: Downwelling & Hydrography.read more
Citations
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Journal ArticleDOI
Sub-regional ecosystem variability in the Canary Current upwelling
Javier Arístegui,Eric D. Barton,Xosé Antón Álvarez-Salgado,A. Miguel P. Santos,Francisco G. Figueiras,Souad Kifani,Santiago Hernández-León,Evan Mason,Eric Machu,Hervé Demarcq +9 more
TL;DR: In this paper, a comparative exploration of the biogeographical characteristics of different sub-regions comprising the Canary Current upwelling ecosystem (CanC) is presented, and it is shown that variability in coastline configuration, shelf width, coastal upwell, nutrient fertilization, productivity, or retentive vs. dispersive physical mechanisms may help explain subregional differences in fish distributions and abundances in the CanC.
Journal ArticleDOI
Physical oceanography of the western Iberia ecosystem: Latest views and challenges
Paulo Relvas,Eric D. Barton,Jesus Dubert,Paulo B. Oliveira,Álvaro Peliz,J. C. B. da Silva,A. Miguel P. Santos +6 more
TL;DR: In this paper, the mesoscale physical processes recognized in the Western Iberia Ecosystem, complementing earlier reviews dedicated to larger scales, have been investigated, and the authors support the idea that these processes, superimposed on larger scale variability, are the major factor controlling the ecosystem functioning in the region.
Journal ArticleDOI
Winter upper ocean circulation in the Western Iberian Basin—Fronts, Eddies and Poleward Flows: an overview
TL;DR: An overview of the winter circulation and upper ocean structure offshore of Western Iberia is presented in this article, where the focus is on winter slope currents, fronts and mesoscale eddies, as well as the connection of these local features to the large-scale circulation of the region.
Journal ArticleDOI
Present-day and past (last 25000 years) marine pollen signal off western Iberia
Filipa Naughton,M. F. Sánchez Goñi,Stéphanie Desprat,Jean-Louis Turon,Josette Duprat,Bruno Malaizé,C. Joli,Elsa Cortijo,Teresa Drago,Maria da Conceição Freitas +9 more
TL;DR: In this article, a comparison between modern terrestrial and marine pollen signals in and off western Iberia shows that marine pollen assemblages give an integrated image of the regional vegetation colonising the adjacent continent.
Journal ArticleDOI
Molecular characterization of dissolved organic matter in pore water of continental shelf sediments
TL;DR: In this article, molecular variations of pore water DOM in surface sediments from the NW Iberian shelf were analyzed by ultra-high-resolution Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) and compared to river and marine water column DOM.
References
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Journal ArticleDOI
Open Ocean Momentum Flux Measurements in Moderate to Strong Winds
W. G. Large,Stephen Pond +1 more
TL;DR: In this article, a comparison of the dissipation and Reynolds flux results shows excellent agreement on average, for wind speeds from 4 to 20 m s−1, for a modified Gill propeller-vane anemometer was used to measure the velocity.
Journal Article
Seasonal upwelling cycle along the eastern boundary of the north atlantic.
Journal ArticleDOI
The deepening of the wind-Mixed layer
TL;DR: In this article, a simple model is given that describes the response of the upper ocean to an imposed wind stress, which is taken to mix thoroughly a layer of depth h, and to erode the stably stratified fluid below.
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A rotary-component method for analysing meteorological and oceanographic vector time series
TL;DR: In this paper, the coherence between wind stress and surface current is shown to be significant in the range of angular velocities (−f, 0) where rotary free oscillations cannot occur in a rotating circular basin.
Journal ArticleDOI
Observations of a poleward surface current off the coasts of Portugal and Spain during winter
TL;DR: In this article, the authors presented evidence of a warm, salty surface current flowing poleward along the Iberian Peninsula using a sequence of satellite infrared images and concomitant in situ hydrographic data obtained during the winter of 1983-1984.