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- W4320081007 abstract "Lors de la phase de repérage des sites, deux méthodes se sont révélées particulièrement efficaces, malgré les contraintes liées à l’environnement forestier. Il s’agit de la prospection fluviale, consistant en une visite systématique des affleurements rocheux en période d’étiage, et de la prospection pédestre axée sur la recherche d’essouchages formant de nombreux points d’observations du sous‑sol. 273 sites (polissoirs et plein air) ont ainsi été découverts. Les prospections subaquatiques et aériennes n’ont pas donné de résultats significatifs. La cartographie au 1/25 000 a permis de réaliser une localisation suffisamment précise des sites avant d’entreprendre des sondages manuels sur 52 implantations de plein air et de fouiller, après des décapages mécaniques extensifs, 5 d’entre elles. During the stage of prospecting for sites, two methods were found to be particularly efficient, despite the problems caused by a dense forest environment. The first of these, river prospecting, consists of the systematic visiting of the rocky outcrops during periods of low water. The second method is a variant of field‑walking aimed at the examination of uprooted trees which allowed a great number of subsoil observations. 273 sites (polishing stones and open‑air sites) were discovered in this way. Underwater remote sensing and aerial photography gave no significant results. The sites were mapped at a scale of 1/25,000 which was accurate enough to allow test pitting of 52 open‑air sites and the excavation of 5 of these after extensive topsoil stripping. Durante la fase de localización de sitios, dos métodos en particular se revelaron eficaces pese a los inconvenientes propios al medio ambiente forestal. El primero estuvo relacionado con una prospección fluvial, que consistió en una visita sistemática a los afloramientos rotosos durante el período de estiaje y el segundo, ton una prospectión pedestre centrada en la búsqueda de marcas que quedaron en los terrenos destepados, las cuales conforman numerosos puntos de observatión del subsuelo. Así fueron descubiertos 273 sitios (sitios de pulidores y sitios al aire libre). Las prospecciones subacuáticas y aéreas no proportionaron resultados signifitativos. La tartografia a 1/25000 permitió realizar una localización suficientemente precisa de los sitios antes de emprender los sondeos manuales en 52 sitios al aire libre y de excavar 5 de éstos, después de la remoción mecánica y extensiva de la tierra vegetal. Durante a fase de identificação dos sitios, dois métodos mostraram‑se particularmente eficazes, apesar das dificuldades ligadas ao meio ambiente florestal. Trata‑se da prospecção fluvial, que consiste em uma visita sistemática dos afloramentos rochosos em período de estiagem, e da prospecção pedestre focalizada na procura de decepamentos que formant numerosos pontos de observação do subsolo. Foram descobertos 273 sítios (sítios polidores e sítios ao ar livre). As prospecções subaquáticas e aéreas não deram resultados significatives. A cartografia em escala 1/25000 permitiu realizar uma localização suficientemente precisa dos sitios antes de entpreender sondagens manuais em 52 sítios ao ar livre e escavar 5 deles, depois de uma remoção mecânica extensiva da terra végétal." @default.
- W4320081007 created "2023-02-12" @default.
- W4320081007 date "1998-01-01" @default.
- W4320081007 modified "2023-09-29" @default.
- W4320081007 title "Chapitre 1. Approche méthodologique" @default.
- W4320081007 doi "https://doi.org/10.4000/books.editionsmsh.44528" @default.
- W4320081007 hasPublicationYear "1998" @default.
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