Universität zu Köln

Yousif, Mohamed ORCID: 0000-0002-7847-9707, Henselowsky, Felix ORCID: 0000-0003-4145-7958 and Bubenzer, Olaf (2018). Palaeohydrology and its impact on groundwater in arid environments: Gebel Duwi and its vicinities, Eastern Desert, Egypt. Catena, 171. S. 29 - 44. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-6887

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Abstract

From ancient times, access to water in arid and hyper-arid regions has been crucial for life. Increased knowledge about groundwater conditions is therefore extremely important for the future development of desert areas. Gebel Duwi, a limestone ridge, sited in the today hyper-arid Eastern Desert of Egypt, was chosen for testing current hypotheses concerning the interdependence of palaeohydrologic features and geologic settings for groundwater investigations. Two sub-basins are identified in affecting Gebel Duwi: Wadi Nakheil and Wadi Sodmein. Both have extraordinary high stream order, indicating the reality of a very old drainage system. Several additional palaeohydrologic features such as wadi terraces, alluvial fans, and playa deposits are also recorded in these sub-basins. These features, as well as finds from an important archaeological site (Sodmein Cave), provide information about palaeoenvironmental changes and wetter climatic periods in the younger geologic past, mainly in the Late Pleistocene and Holocene, which have affected the occurrence of present day groundwater. This study combines new results of geological and geomorphological field studies, examinations of digital elevation models, as well as of rock and water analyses in an integrated approach. Resulting maps comprise landforms, lithology, elevation, drainage lines slope, structural lineaments and flow directions. The hydrogeologic condition indicates suitable locations for groundwater recharge and accumulation. The research presented is interdisciplinary in approach and is recommended for future studies with regard to groundwater exploration, sustainable groundwater use, and the protection of archaeological sites in arid lands.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Yousif, Mohamed UNSPECIFIED orcid.org/0000-0002-7847-9707 UNSPECIFIED Henselowsky, Felix UNSPECIFIED orcid.org/0000-0003-4145-7958 UNSPECIFIED Bubenzer, Olaf UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-163540
DOI:	10.1016/j.catena.2018.06.028
Journal or Publication Title:	Catena
Volume:	171
Page Range:	S. 29 - 44
Date:	2018
Publisher:	ELSEVIER SCIENCE BV
Place of Publication:	AMSTERDAM
ISSN:	1872-6887
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language RED-SEA MOUNTAINS; STABLE-ISOTOPE ANALYSIS; SODMEIN CAVE; INTEGRATED APPROACH; WESTERN DESERT; NUBIAN AQUIFER; CONSTRAINTS; PLEISTOCENE; DEPOSITS; SYSTEM Multiple languages Geosciences, Multidisciplinary; Soil Science; Water Resources Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/16354