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Structures funéraires préhistoriques et historiques monumentales dans la région du "Chott el Jérid" (sud de la Tunisie) : l’importance de la photogrammétrie pour une documentation rapide et complète dans les contextes sahariens

Prehistoric and historic monumental funerary structures in the “Chott el Jérid” area (Southern Tunisia): the importance of photogrammetry for rapid and complete documentation in Saharan contexts


Enrico Lucci
Sapienza University of Rome
Italy

Savino di Lernia
Sapienza University of Rome
Italy

Andrea Monaco
Sapienza University of Rome
Italy

Moufida Jnen
Institut National du Patrimoine
Tunisia

Jaâfar Ben Nasr
University of Kairouan
Tunisia



Publié le 11 avril 2019   DOI : 10.21494/ISTE.OP.2019.0349

Résumé

Abstract

Mots-clés

Keywords

As part of the Tunisian-Italian archaeological joint mission to the Sahara, a research project (survey and excavation) has focused since 2015 on the study of the funerary archaeology of the prehistoric and historical communities of southern Tunisia. The surveyed area, located along the southern and eastern edges of Chott el Jerid (governorate of Kebili), was selected, after scrutinizing the information collected by the “Service Géographique de l’Armée Française” during the early 20th century about the funerary structures. In this paper, we present two main archaeological funerary contexts and the methodology applied for the photogrammetric documentation of the architectural features of the structures. Then we present the post-processing of the point clouds carried out to obtain a complete data-set for the remote analysis of the excavation sequence of each tumulus. By adopting a multi-scalar approach, from GIS remote analysis to photogrammetric documentation of individual funerary structures, we have tried to optimize the chances of fieldwork activity, taking into consideration whilst so doing the contingencies due to the fluctuating socio-political situation that characterizes some countries of North Africa in recent years.

As part of the Tunisian-Italian archaeological joint mission to the Sahara, a research project (survey and excavation) has focused since 2015 on the study of the funerary archaeology of the prehistoric and historical communities of southern Tunisia. The surveyed area, located along the southern and eastern edges of Chott el Jerid (governorate of Kebili), was selected, after scrutinizing the information collected by the “Service Géographique de l’Armée Française” during the early 20th century about the funerary structures. In this paper, we present two main archaeological funerary contexts and the methodology applied for the photogrammetric documentation of the architectural features of the structures. Then we present the post-processing of the point clouds carried out to obtain a complete data-set for the remote analysis of the excavation sequence of each tumulus. By adopting a multi-scalar approach, from GIS remote analysis to photogrammetric documentation of individual funerary structures, we have tried to optimize the chances of fieldwork activity, taking into consideration whilst so doing the contingencies due to the fluctuating socio-political situation that characterizes some countries of North Africa in recent years.

Photogrammetry ; Point Clouds ; Funerary archaeology ; Saharan Archaeology

Photogrammetry; Point Clouds; Funerary archaeology; Saharan Archaeology