Nouvelles observations sur l'hydrologie de la méditerranée occidentale (entre Alger et le 40e parallèle) Campagne de la « Thalassa », hiver 1961

This research was intended to complement research carried out in the winter of 1960, a hydrological study carried out in Algerian-Tunisian waters. Given the results of a previous study, we were naturally prompted to explore the extension of deep Atlantic waters to the north, off the coast of Algeria. We took advantage of the passing of the "Thalassa" through the western Mediterranean Sea to deploy three transects with deep stations (Fig. 1). These were the following:1) from south to north, along the 5th meridian, off the shore of Algeria up to the 40th parallel;2) from south-east to north-west, between Algiers and the western coast of Sardinia;3) from west to east, from Minorca to Sardinia, slightly south of the 40th parallel. These three transects will be presented in that order.