p. 7 - 25 OBSERVATIONS SAISONNIERES SUR LE REGIME THERMIQUE DES EAUX MARINES SUR LE PLATEAU CONTINENTAL ROUMAIN DE LA MER NOIRE Gh. Serpoianu et Ion Nae Institut Roumain de Recherches Marines Constanta Abstract The paper presents the results of the observations concerning marine water thermic regime, during 1971-1974 in the area of the Romanian continental shelf of the Black Sea. Within this period a number of 5 profiles have been carried out up to a distance of 66-70 NM.