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Comparaison de signaux (géophysique, LiDAR) utilisés dans l'étude des dynamiques anthropiques et naturelles

Abstract : The characterization of the material reality of the landscape requires to accurately identify the physical geography and to capture the interrelationships between humans and their environment. These conditions are essential to the estimation of the origins of the landscape shaping. The analysis of documentary sources offers the opportunity to determine the organization of former landscapes and to characterize a large part of their evolutions since the Modern period. However, older land settlements are not localised or symbolised on maps. Their signs are efficiently detected in present landscape through the joint implementation of various detection methods: aerial photography, recording topographic or colorimetric variations on the soil surface, and the LiDAR (Light Detection And Ranging) system, measuring micro-topographic variations using a laser beam. Other methods can be used to identify the elements conserved in present landscape and reflect their past uses. The measure of physical properties of soils by the geophysical methods can detected the presence of archaeological remains or structures buried while nothing is perceptible to the soil surface. It is widely supported that survey methods can provide archaeological data of the land use and / or the exploitation of the territory. Thus, they have been applied since several at the site of the ancient city of Epomanduodurum (Mandeure-Mathay, Doubs) in the north of the Franche-Comte. This city is considered by its size, urban equipment and monuments as the second behind de civitas capital of Sequani, Vesontio (Besancon). This research intends to compare, at different spatial scales, the contribution of several prospecting methods for the study of natural and anthropogenic dynamics in an area of 80 km². The study area is centred on the ancient city and combines a section of the alluvial plain of the Doubs river and the surrounding calcareous plateaus. In this study, it was possible, among other things, to develop tools for the detection of archaeological
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Submitted on : Tuesday, May 24, 2016 - 5:03:08 PM
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  • HAL Id : tel-00732379, version 2

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Clément Laplaige. Comparaison de signaux (géophysique, LiDAR) utilisés dans l'étude des dynamiques anthropiques et naturelles. Archéologie et Préhistoire. Université de Franche-Comté, 2012. Français. ⟨NNT : 2012BESA1002⟩. ⟨tel-00732379v2⟩

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