Athena Trakadas
University of Southern Denmark
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Publication
Featured researches published by Athena Trakadas.
International Journal of Nautical Archaeology | 2015
Sorna Khakzad; Athena Trakadas; Matthew Harpster; Nicole Wittig
Siraf is well-known archaeologically and historically as an ancient port in the Persian Gulf that prospered during the medieval period. Siraf played a leading role in facilitating maritime and terrestrial trade, connecting long-distance Indian Ocean and China routes with those in the Gulf region. Despite its history, no previous research has been dedicated to the maritime infrastructure of Siraf. Through the ‘2012 Siraf pilot project’ a preliminary survey of the underwater and shoreline remains of this ancient port city was conducted. The sites location is unique in many respects to trade routes and logistical considerations; however, its maritime infrastructure is difficult to assess in light of the extensive threats to the site.
SpringerPlus | 2014
Mohamed Ali Geawhari; Lloyd C Huff; Nadia Mhammdi; Athena Trakadas; Abdellah Ammar
BackgroundSeveral different classifications to characterize estuarine systems have been proposed. In this present paper, one of the most important estuaries in North Africa, the Oued Loukkos (Morocco), forms a case-study for proposing a systematic classification of this particular tidal estuary according to the vertical salinity gradient.FindingsThis study, conducted using a CTD, shows that the spatial-temporal distribution of salinity depends on the stage of the tide and the upstream distance from the mouth of the river. In this case, it is also evident that the morphology of the bottom was capable of impacting the distribution of salinity by locally changing the water circulation.ConclusionsBased on the vertical salinity gradient measurement, the Oued Loukkos represents an estuarine environment with one section near its mouth that can be characterized as a mixed mesotidal estuary and another section upstream which can be characterized as a stratified mesotidal estuary. Between, there is an intermediate zone with a low vertical gradient of salinity, classified as a partially mixed mesotidal estuary. When the effect of terrestrial inputs is low compared to marine inputs, the river bed topography plays a role in the stratification of salinity by either disrupting the vertical stratification of the water or by changing the lateral distribution of salinity. The proposed classification deepens our hydrological knowledge and provides descriptive labels to the Oued Loukkos estuary. It provides a valid starting point for predicting the environmental impact of future recreational, agricultural and commercial activities on the estuary.
Second International Conference on Engineering Geophysics | 2013
M. N. Nadia Mhammdi; Mohamed Ali Geawhari; Athena Trakadas; Lloyd Huff
The images of the water-sediment surface provided by the AUV, showing dunes in different area of the loukkos river with a wavelength differs from 1 to 15 m; they are organized in series with quite the same lengths and the same wave amplitude. Another distinguishing criterion, revealed thanks to images of the water-sediment surface, seems to be the longitudinal morphology of dunes (planimetric dune morphologies). We were able to distinguish dunes with crests straight and slightly curvy form characterizing the two-dimensional dunes. Other forms of crests were distinguished, presenting the three-dimensional dunes are dunes with crest highly sinuous, catenary, linguoid, and lunate. The latter are often detected upstream or near the banks, remaining fairly stationary during the period of our study. The AUV images constitute the first step towards the understanding the distribution of different forms of dunes, in the Oued Loukkos estuary, thus well unveil the relationship between the sinuosity of dunes and hydrodynamic and sedimentary environmental conditions.
Archive | 2012
Dionisius A. Agius; John P. Cooper; Athena Trakadas; Chiara Zazzaro
Archive | 2015
Athena Trakadas
Archive | 2012
Mohamed Ali; Lloyd Huff; Nadia Mhammdi; Athena Trakadas; Abdellah Ammar
Archive | 2016
Athena Trakadas
Bulletin d'Archeologie Marocaine | 2016
Athena Trakadas; Hicham Hassini; Nadia Mhammdi; Lloyd C Huff; Matthew Harpster; Mohammed Ali Geawhari; Zeyneb Belkhayat
Archive | 2015
Athena Trakadas
Journal of Maritime Archaeology | 2015
Athena Trakadas; Annalies Corbin