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Open AccessArticle

The Delineation of Paleo-Shorelines in the Lake Manyara Basin Using TerraSAR-X Data

Institute of Geography, University of Tuebingen, Ruemelinstr, 19-23, D-72070 Tuebingen, Germany
Heidelberg Academy of Sciences and Humanities, Ruemelinstr, 19-23, D-72070 Tuebingen, Germany
Earth Science Department, University of Florence, Via G. La Pira 4, I-50121 Florence, Italy
Author to whom correspondence should be addressed.
Remote Sens. 2014, 6(3), 2195-2212;
Received: 31 December 2013 / Revised: 18 February 2014 / Accepted: 27 February 2014 / Published: 10 March 2014
(This article belongs to the Special Issue New Perspectives of Remote Sensing for Archaeology)
The purpose of this paper is to describe the delineation of paleo-shorelines using high resolution microwave images and digital image processing tools, and with that to contribute to the understanding of the complex landscape evolution of the Lake Manyara Basin. The surroundings of Lake Manyara are the focus of several paleo-archeological investigations, since the location is close to Olduvai Gorge, where paleo-anthropological findings can be traced back to homo habilis. In the catchment of Lake Manyara two hominin-bearing sites (0.78 to 0.63 Ma), lots of vertebrate fossils and hand axes from different periods were found. Understanding the development and extent of the lake is crucial for understanding the regional paleo-environment of the Quaternary. Morphological structures of shorelines and terraces east of Lake Manyara were identified from TerraSAR-X StripMap images. By applying a Canny edge detector, linear features were extracted and revised for different image acquisitions using a contextual approach. Those features match literature and field references. A digital elevation model of the region was used to map the most distinct paleo-shorelines according to their elevation. View Full-Text
Keywords: Synthetic Aperture Radar (SAR); paleo-lake; TerraSAR-X; canny filter; edge detection Synthetic Aperture Radar (SAR); paleo-lake; TerraSAR-X; canny filter; edge detection
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MDPI and ACS Style

Bachofer, F.; Quénéhervé, G.; Märker, M. The Delineation of Paleo-Shorelines in the Lake Manyara Basin Using TerraSAR-X Data. Remote Sens. 2014, 6, 2195-2212.

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