@incollection{fdi:010081763, title = {{D}etecting ditched sites on {L}i{DAR}-generated digital elevation models : from technical specifications to interpretation keys}, author = {{M}estre, {M}. and {V}incent, {G}r{\'e}goire and {B}edeau, {C}. and {A}ntonoff, {N}. and {B}runaux, {O}. and {G}autreau, {P}. and {N}oucher, {M}.}, editor = {}, language = {{ENG}}, abstract = {{I}n addition to other remote sensing methods, {L}i{DAR} has been used for many years in temperate regions or open tropical agricultural landscapes to detect signs of past human activities. {T}he improvement of sensors, and therefore of {L}i{DAR}'s ability to penetrate dense vegetation, allows us now to produce digital elevation models ({DEM}s) that are precise enough to reveal topographic artefacts over large tropical rainforest tracts. {W}e discuss here the requirements for producing such {DEM}s and detail how they can be used to detect particular landscape-scale pre-{C}olumbian features known as ring-ditched sites in {F}rench {G}uiana}, keywords = {{AMAZONIE} ; {GUYANE} {FRANCAISE}}, booktitle = {{M}ethods in historical ecology : insights from {A}mazonia}, numero = {}, pages = {68--75}, address = {{N}ew {Y}ork}, publisher = {{R}outledge}, series = {{N}ew {F}rontiers in {H}istorical {E}cology}, year = {2021}, ISBN = {978-0-367-18221-2}, URL = {https://www.documentation.ird.fr/hor/fdi:010081763}, }