@incollection{fdi:31168, title = {{U}se of tritium and helium 3 for the study of oceanographic process : an example : the {N}ortheastern {A}tlantic ocean}, author = {{A}ndri{\'e}, {C}hantal and {M}erlivat, {L}.}, editor = {}, language = {{ENG}}, abstract = {{T}hese results relate to the {T}opogulf cruise during summer 1983. {T}he sampled area is located near the {A}zores islands on both sides of the mid-{A}tlantic ridge. {T}he tritium content of the surface waters reveals a strong front along the {A}zores current. {A}t depth, the spatial distribution of tritium is studied along isopycnals. {I}n the thermocline, it is essentially the anticyclonic gyre which is responsible for the {N}ortheast - {S}outhwest gradient in tritium concentration. {S}ome information about the "age" of the water masses is given by the use of both tritium and helium-3. {I}n this way some areas where ventilation processes are active are identified. {A}t middepth, a strong contrast exists between the young waters originating from the {L}abrador {S}ea and the more stagnant waters in the south east of the sampled area. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{DISTRIBUTION} {SPATIALE} ; {SURFACE} {MARINE} ; {THERMOCLINE} ; {MASSE} {D}'{EAU} ; {TRITIUM} ; {HELIUM} 3 ; {ATLANTIQUE} {NORD} {EST} ; {ACORES} {COURANT}}, booktitle = {{R}adionuclides : a tool for oceanography}, numero = {}, pages = {6}, address = {{B}arking}, publisher = {{E}lsevier {S}cience}, series = {}, year = {1988}, URL = {https://www.documentation.ird.fr/hor/fdi:31168}, }