Document Type

Article

Publication Date

1984

Publication Title

Rapports et Procès-Verbaux Des Réunions: The Biological Productivity of North Atlantic Shelf Areas

Volume

183

Pages

79-90

Abstract

Coastal upwelling occurs off the Rias Bajas of Spain between April and October. Superimposed on large-scale upwelling is a mesoscale regime of enhanced upwelling induced by topographic influences. We show that the region surrounding Cape Finisterre has intensified topographically induced upwelling.

The rias have a relatively unobstructed connection with the open ocean. Upwelling of high nitrate water on the continental shelf by Ekman transport sets up pressure gradients at the mouth of the rias that induce upwelled water to flow into the rias. Deep water in the rias responds directly to cycles of upwelling and downwelling on the continental shelf.

Comments

© 1984 International Council for the Exploration of the Sea

Included with written permission of the publisher.

Original Publication Citation

Blanton, J. O., Atkinson, L. P., de Castillejo, F. F., & Montero, A. L. (1984). Coastal upwelling off the Rias Bajas, Galicia, northwest Spain I: Hydrographic studies. Rapports et procès-verbaux des réunions: The biological productivity of North Atlantic Shelf areas, 183, 79-90.

ORCID

0000-0003-2919-100X (Atkinson)

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