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Théophile Piau – Watershed and territoriality(Eure Valley, France) –Paris, Institut de France – 3 rue Mazarine – auditorium– 15 février 2019 –&#160;______________________15 février 2019 : 15hThéophile PiauWatershed and territoriality (Eure Valley, France) – Contribution to a better knowledge of the various models of population dynamics throughout history and preservation of the environmental and archaeological context  RésuméThe challenge of the ValEuRT project is to better understand the interrelationships between human activity, climate and environnement, during the last 10.000 years in the Eure catchment,  located in the Paris Basin. It aims to contribute to a better knowledge of the various models of population dynamics throughout history and preservation of the environnemal and archaeological context.This study aims to determine the archaeological sites distribution and geomorphological context of the Eure catchment, especially the morpho-sedimentary dynamics and landscape responses to the human and climate forcing since the late glacial period.During my master thesis, I focus my study on the middle Eure valley. I realize an geomorphological map in order to underline the geomorphological dynamics impacts on the taphonomy of settlement and archeological remains in the middle valley. On the other hand, I focus on the Bellevue sanctuary and valley bottom sedimentary records. Sedimentary records are a crucial indicator to reconstitute the hydro-sedimentary dynamics of the valley and the relationships between nature and societies.♦ MethodsFunded by UMR Orient &#38; Mediterrannée laboratory (Cnrs), the ValEuRT project associates geographers from Paris-Diderot University and archaeologists from UMR 8167.To conduct our study, we use an interdisciplinary and multi-scale approach.This slides summarizes the ValEuRT project: intersecting different datasets used in geomorphology, archaeological, and environmental studies, such as satellite and drone imageries, GIS, (prospection geophysique), soil and archeological surveys.The programme is carried out in four steps: preparing the fieldwork, survey and soil sampling, data analysis and scientic communication to present results.Survey sites weres sampled at different section of the Eure catchment. All mesurments have been georeferenced by DGPS, in order to facilitate multi-scale comparisons.♦ OutcomeIn progress...._______________________________________Présentation générale du projet de Master 2 -Ouvert à l’ouest du Bassin parisien, le bassin versant de l’Eure présente une occupation humaine plurimillénaire encore peu étudiée. A l’interface de différentes cultures matérielles, l’Eure apparaît comme une zone archéologique clef pour comprendre les dynamiques de peuplement et la structuration des territoires ainsi que les mécanismes d’interaction entre les sociétés et leur milieu sur la longue durée. La mise en œuvre d’une approche géoarchéologique et paléoenvironnementale doit permettre de mieux cerner les grandes étapes de l’évolution des paysages et de reconnaître et insérer les sites archéologiques dans leur contexte environnemental passé et présent, et ainsi optimiser l’approche archéologique et de conservation du patrimoine.____________________Projet soutenu par la Région Ile-de-Francedans le cadre du Domaine d’intérêt majeur« Matériaux anciens et patrimoniaux »This work was supported by the Paris Ile-de-France Region– DIM “Matériaux anciens et patrimoniaux”____________________