Etude geomorphologique et sedimentologique du plateau continental sud-armoricain
Institution:
NantesDisciplines:
Directors:
Abstract EN:
After the analysis of the bathymetrics, sedimental and geological results of the 1966 to 1978 campagns, we are about to proceed upon the study of the shapes of the dynamics of the median and external continental shelf. This work distinguishes the inherited and living shapes, studies the interaction or retroaction of agents due to the permanent variations of the sea level during the plion quaternery era. It seems that the shapes due to a subaerian morphogenesis, the former coastal shapes and the living ones, are balanced whit the current agents of the present day.
Abstract FR:
Apres l'analyse des resultats bathymetriques, sedimentologiques et geologiques des campagnes menees de 1966 a 1978, nous procedons a l'etude de la dynamique des formes du plateau continental median et externe. Ce travail fait la part des formes heritees et des formes vives, etudie les interactions et retroactions d'agents dus aux variations incessantes de la mer au cours du plio-quaternaire. Les formes heritees d'une morphogenese subaerienne, les formes littorales anciennes et les formes vives sont semble-t-il en equilibre avec les agents actuels.