The Desert Migrations Project is a new interdisciplinary and multi-dimensional collaborative project between the Society for Libyan Studies and the Department of Antiquities. The geographical focus of the study is the Fazzan region of southwest Libya and in thematic terms we aim to address the theme of migration in the broadest sense, encompassing the movement of people, ideas/knowledge and material culture into and out of Fazzan, along with evidence of shifting climatic and ecological boundaries over time. The report describes the principal sub-strands of the project's first season in January 2007, with some account of research questions, methods employed and some preliminary results. Three main sub-projects are reported on. The first concerns the improved understanding of long-term climatic and environmental changes derived from a detailed palaeoenvironmental study of palaeolake sediments. This geo-science work runs alongside and feeds directly into both archaeological sub-projects, the first relating to prehistoric activity and mobility around and between a series of palaeolakes during wetter climatic cycles; the second to the excavation of burials in the Wadi al-Ajal, exploring the changing relationship between material culture, identity and ethnicity across time, from prehistory to the early Islamic period (the span of the main cemetery zones). In addition, some rock art research and a survey of historic period sites was undertaken in the Wadi ash-Shati and Ubari sand sea.
Reconnaissance survey in the Murzuq area, some 150 km south-east of Jarma, was carried out as part of the 2011 field programme of the Desert Migrations Project, with separate funding from the Leverhulme Trust for this element of work entitled the ‘Peopling the Desert Project’. This survey was designed to provide field verification of details of settlement systems identified and mapped from high-resolution satellite images in an area of c. 600 km2 immediately east of the oasis town of Murzuq. Examination of high-resolution QuickBird and Ikonos satellite imagery has permitted identification of a large dossier of more than 200 sites (fortified buildings known as qsur, other settlements, cemeteries, wells, fields/gardens and linear irrigation works called foggaras). The majority of these sites have never been previously noted or mapped and the date of the sites was unknown at the outset, though they clearly pertained to the historic periods. While further study of the finds and scientific dating evidence is required, the initial results of the brief field visit have major implications for our understanding of Garamantian and early Islamic settlement in south-eastern Fazzan.
This article concerns a series of 20 samples submitted for AMS radiocarbon dating from historic sites in the Libyan Sahara. The sites had been identified initially from remote sensing analysis, then visited on the ground in 2011 and organic samples suitable for a dating programme obtained. With the help of an award from the NERC-AHRC National Radiocarbon Facility, this initial suite of dates has been provided. The results are important in several ways. They demonstrate very clearly that settlement in this hyper-arid desert landscape reached its densest pattern in the late Garamantian era, broadly the fourth-fifth centuries AD. In the Islamic era that followed, though the overall population appears less dense, our dates throw light on several possible phases of settlement renewal.
Our paper presents a remote sensing workflow for identifying modern activities that threaten archaeological sites, developed as part of the work of the Endangered Archaeology of the Middle East and North Africa (EAMENA) project. We use open-source Sentinel-2 satellite imagery and the free tool Google Earth Engine to run a per-pixel change detection to make the methods and data as accessible as possible for heritage professionals. We apply this and perform validation at two case studies, the Aswan and Kom-Ombo area in Egypt, and the Jufra oases in Libya, with an overall accuracy of the results ranging from 85–91%. Human activities, such as construction, agriculture, rubbish dumping and natural processes were successfully detected at archaeological sites by the algorithm, allowing these sites to be prioritised for recording. A few instances of change too small to be detected by Sentinel-2 were missed, and false positives were caused by registration errors, shadow and movements of sand. This paper shows that the expansion of agricultural and urban areas particularly threatens the survival of archaeological sites, but our extensive online database of archaeological sites and programme of training courses places us in a unique position to make our methods widely available.
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