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Title: Analysis of Aeolian-Fluvial-Human Interactions in the Nile Valley (Central Egypt) by Combining Field-Based Geomorphology with Remote Sensing
Authors: Verstraeten, Gert ×
Mohamed, Ihab
Willems, Harco
De Laet, Véronique
Delgado Blasco, Jose Manuel #
Issue Date: 2014
Publisher: University of Warsaw
Host Document: 34th EARSeL Symposium. 5th European Remote Sensing – New Opportunities for Science and Practice. Abstract and Programme Book. Warsaw, 16-20 June 2014 vol:34th EARSeL Symposium pages:55
Conference: EARSeL Symposium edition:34 location:Warsaw date:16-20 June 2014
Abstract: Documenting and mapping cultural heritage is an important aspect nowadays in geo-archaeological
research. The rapidly changing surroundings of Dayr al-Barshã where not only physical but also
anthropogenic dynamics strongly influence the environment aren’t an exception. Although archaeologist
and geomorphologist work nowadays with remote sensing data, it is mainly done in two dimensions.
The third dimension can complement this data because it introduces the height component which is
quiet important in mapping and analyzing archeological and physical environments. This height
component can be introduced using photogrammetry and using its derived products like digital surface
models (DSMs) and orthoimages The elevation data is generated out of stereoscopic images from not
only satellites like Corona, Worldview and GeoEye but also terrestrial photography and ground control
points taken in the field. First of all DSMs and orthoimages have been computed using satellite images
from 1970, 2009 and 2012. The most recent ones are further used as a base map to plot archaeological
sites. Contour lines acquired from the generated DSMs are a perfect tool to better understand the
(natural) environment of these features. To analyze anthropogenic and physical landscape dynamics, a
pixel-wise subtraction is used on the DSMs from the different periods. This results in quantifying village
changes, river bed movement and estimated dune volumes. Photo modeling out of terrestrial images is
a second approach in this work. To accurately document and reconstruct different archaeological
objects, they were photographed, measured and processed, using photo modelling software. A main
example in this case was a weaver loom dug out in a quarry. Using this photo modelling approach and
literature we were able to reconstruct the loom. The elaborated work illustrates that photogrammetric
techniques hold great potential for geo-archaeological research from different image sources and at
different (time) scales. This abstract fit within the APLADYN project: a Belgian Science Policy project on
anthropogenic and landscape dynamics in large fluvial systems.
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:Near Eastern Studies, Leuven
Division of Geography & Tourism
× corresponding author
# (joint) last author

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