Format du dépôt |
Notice |
Type de dépôt |
Article dans une revue |
Titre |
en
Palaeogeographical and palaeoenvironmental reconstruction of the Medjerda delta (Tunisia) during the Holocene
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Résumé |
en
The progradation of the Medjerda delta has been the subject of many studies since the 19th century. The
scale and the rapidity of this phenomenon interested researchers in various fields early on, such as
geomorphology, geology, palaeogeography, history, archaeology, or geoarchaeology. Indeed, the delta
prograded by around 10 km over 3 millennia. At the time of its foundation supposedly at the end of the
12th century BC, the Phoenician city of Utica was located on a promontory bathed by the sea, but the
sediments carried by the Medjerda progressively sealed the bay, leaving the tip of the Utica promontory
now 10 km inland. This area is therefore an exception to the general pattern along the Tunisian coast,
since as over the same period everywhere else there is a regression of the coastline, owing to a sea level
rise of several decimeters. Based on multi-proxy analyses of two coring transects, this paper aims to
reconstruct the palaeoenvironments and the palaeogeography of the Medjerda delta’s progradation since
the mid-Holocene, some aspects of which are described in ancient sources. The results highlight in
particular an episode of high-intensity flooding around the 4th century AD, which is consistent with
episodes of high floods and an increase in sedimentation rates recorded in the watershed at the end of
the Roman period. The gradual abandonment of the city of Utica can certainly be related to the activity of
the Medjerda River, but our results show that it is because of an increase of fluvial sediment contribution
in connection with an erosive crisis in the headwaters, and not because of the change of course of the
river, which had occurred long before.
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Auteur(s)
|
E. Pleuger
1, 2
, Jean-Philippe Goiran
, I. Mazzini
, H. Delile
2
, A. Abichou
, A. Gadhoum
3
, H. Djerbi
4
, N. Piotrowska
, A. Wilson
5
, E. Fentress
, I. Ben Jerbania
6
, N. Fagel
1
1
AGEs -
Argiles, Géochimie et Environnements sédimentaires - AGES (Liège, Belgium)
( 237177 )
- Belgique
-
Université de Liège ( 93075 )
2
Archéorient -
ARCHEORIENT - Environnements et sociétés de l'Orient ancien
( 619 )
- Maison de l'Orient et de la Méditerranée Jean-Pouilloux 7 rue Raulin 69365 LYON Cedex 07
- France
-
Université Lumière - Lyon 2 ( 33804 )
;
-
Centre National de la Recherche Scientifique UMR5133 ( 441569 )
3
INP -
Institut national du patrimoine
( 255332 )
- 2, rue Vivienne - 75002 Paris
- France
4
EVEHA (Etudes et valorisations archeologiques)
( 363687 )
- 31 rue Soyouz - ESTER Technopole
87 068 LIMOGES Cedex
Tel : 05 55 10 98 72
contact@eveha.fr
- France
5
Faculty of Classics and Institute of Archaeology, University of Oxford, Oxford, UK
( 563138 )
- Royaume-Uni
6
Institut National du Patrimoine, Tunis, Tunisia
( 563139 )
- 1008 Rue du Château
- Tunisie
|
Page/Identifiant |
263-278
|
Volume |
220
|
Date de publication |
2019-09
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Langue du document |
Anglais
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Nom de la revue |
|
Vulgarisation |
Non
|
Comité de lecture |
Oui
|
Audience |
Internationale
|
Domaine(s) |
-
Sciences de l'Homme et Société/Archéologie et Préhistoire
-
Sciences de l'Homme et Société/Etudes de l'environnement
-
Sciences de l'Homme et Société/Géographie
-
Sciences de l'Homme et Société/Histoire
-
Sciences de l'environnement/Environnement et Société
-
Informatique [cs]/Modélisation et simulation
-
Sciences de l'environnement/Biodiversité et Ecologie
-
Sciences de l'environnement/Ingénierie de l'environnement
-
Sciences de l'environnement/Milieux et Changements globaux
|
Mots-clés |
en
Holocene, Delta progradation, Palaeogeography, Geoarchaeology, Utica, Tunisia, Western Mediterranean, Biological indicators
|
DOI |
10.1016/j.quascirev.2019.07.017 |