Human-Climate coevolution in the Lake Abhe paleobasin

Nom de carnet:

CFEE

Date de publication:

Lundi 26 Mars 2018 - 10:45

Publié ici :

26 Mars 2018

Mis à jour le :

29 Mars 2018

Mots-clefs:

Afar
Djibouti
Ethiopia
Geomorphology
GOBAAD
ISOTOPIC GEOCHEMISTRY
LAKE ABHE
LOWER AWASH
PALÉOCLIMATOLOGY
paleoenvironment
Prehistory
PSPCA
SOIL MICROMORPHOLOGY
TELLUS-RIFT
VAPOR-AFAR

Langue de publication:

Anglais

Zone géographique:

Afrique

Lacustrine paleoenvironments and prehistoric occupations in the Lower Awash and Gobaad Valleys: first steps to understanding Human-Climate coevolution in the Lake Abhe paleobasin, Central Afar

by Carlo Mologni, in An eye on the horn

Carlo Mologni is a PhD student at the Université Côte d’Azur, France (UMR 7329 GEOAZUR and UMR 7264 CEPAM), his research focuses on the Lake Abhe paleobasin, Central Afar (Ethiopia, Djibouti). Within the framework of VAPOR-Afar and PSPCA research projects he investigates sedimentary archives of the basin with a multi-scalar approach. He presents here his recently completed fieldwork that was supported by a CFEE research grant.

Throughout the last 20 millennia tropical Africa has been affected by climatic oscillations of humid and abrupt hyper-arid events (Bastian et al. 2018; Collins et al. 2011, 2017; Gasse 2000) that caused drastic transformations in landscapes, in hydrological catchments and in environmental patterns. These abrupt climatic oscillations, which are driven by the variability of the Ethiopian African Monsoon both provided favourable ecosystems that may have facilitated societal development, but also produced arid environments that may have restricted human exploitation of the landscape.

Recent archaeological data from the Horn of Africa has demonstrated regional and chronological irregularities in the introduction of agro-pastoral practices. A time-lag exists between the earliest livestock events in east Africa and those in Arabia and the Middle East. As a result of ecosystem variability and sensibility, environmental dynamics in the Rift and Afar regions may present an advantageous perspective to understanding the complex passage from a dominantly hunter-gathering way of life (20 000-5 000 BP; Bon et al. 2014; Kusimba 1999; Ménard & Bon 2015) to a Neolithic one (5000-2000 yr BP; Gutherz 2013).

My Phd dissertation “Understanding human-climate coevolution: The role of climate change on the LSA-Neolithic transition in the Horn of Africa” (Université Cote d’Azur-IDEX doctoral grant) aims to disentangle existing data on the evolution of lakes in the Afar and Rift regions (Gasse 1975) and correlate it with new paleoclimatic, geomorphological and archaeological data in order to better understand the relationship between humans and climate change in the Afar, one of the most arid regions in the world. This research which is supported in part by a 2018 fieldwork grant awarded by the CFEE draws on several fieldwork opportunities including the VAPOR-Afar (L. Khalidi dir.; Ethiopia), PSPCA (J. Cauliez dir.; Djibouti), TelluS-Rift (C. Doubre dir.; Ethiopia) interdisciplinary projects which are and have been financed by a host of institutions including the Fondation Fyssen, the ANR ‘Big Dry’, the French ministry of Europe and Foreign Affairs and the CNRS (INEE and INSU).

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Human-Climate coevolution in the Lake Abhe paleobasin

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Lacustrine paleoenvironments and prehistoric occupations in the Lower Awash and Gobaad Valleys: first steps to understanding Human-Climate coevolution in the Lake Abhe paleobasin, Central Afar

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Human-Climate coevolution in the Lake Abhe paleobasin

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Lacustrine paleoenvironments and prehistoric occupations in the Lower Awash and Gobaad Valleys: first steps to understanding Human-Climate coevolution in the Lake Abhe paleobasin, Central Afar

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