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Detecting Ditched Sites on Lidar-Generated Digital Elevation Models: From technical specifications to interpretation keys

Abstract : In addition to other remote sensing methods, LiDAR has been used for many years in temperate regions or open tropical agricultural landscapes to detect signs of past human activities. The improvement of sensors, and therefore of LiDAR’s ability to penetrate dense vegetation, allows us now to produce digital elevation models (DEMs) that are precise enough to reveal topographic artefacts over large tropical rainforest tracts. We discuss here the requirements for producing such DEMs and detail how they can be used to detect particular landscape-scale pre-Columbian features known as ring-ditched sites in French Guiana.
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https://halshs.archives-ouvertes.fr/halshs-02946822
Contributor : Matthieu Noucher <>
Submitted on : Wednesday, September 23, 2020 - 2:26:01 PM
Last modification on : Friday, February 5, 2021 - 3:33:17 AM

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  • HAL Id : halshs-02946822, version 1

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Mickaël Mestre, Grégoire Vincent, Caroline Bedeau, Nina Antonoff, Olivier Brunaux, et al.. Detecting Ditched Sites on Lidar-Generated Digital Elevation Models: From technical specifications to interpretation keys. Guillaume Odonne; Jean-François Molino. Methods in Historical Ecology. Insights from Amazonia, Taylor & Francis Group, pp.69-76, 2021, New frontiers in historical ecology, 9780429060175. ⟨halshs-02946822⟩

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