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Combining geomorphological–hydrological analyses and the location of settlement and raw material sites – a case study on understanding prehistoric human settlement activity in the southwestern Ethiopian Highlands

Elena A. Hensel, Oliver Bödeker, Olaf Bubenzer, Ralf Vogelsang
2019 Eiszeitalter und Gegenwart  
To do so, we combined geomorphological–hydrological analyses with field surveys and GIS mapping.  ...  Mt Damota, and around Mt Sodicho in the southwestern Ethiopian Highlands were investigated.  ...  This study was conducted as a part of project A1 "Out of Africa -Late Pleistocene Rock Shelter Stratigraphies and Palaeoenvironments in Northeast Africa" in the framework of the Collaborative Research  ... 
doi:10.5194/egqsj-68-201-2019 fatcat:r34ttitj6fhnbbnda4h47lyesy

A Probabilistic Assessment of Soil Erosion Susceptibility in a Head Catchment of the Jemma Basin, Ethiopian Highlands

Mariaelena Cama, Calogero Schillaci, Jan Kropáček, Volker Hochschild, Alberto Bosino, Michael Märker
2020 Geosciences  
In particular, we mapped three categories of landforms related to (i) sheet erosion, (ii) gully erosion, and (iii) badlands using a high-resolution digital elevation model (DEM).  ...  First, a geomorphological map was generated based on remote sensing observations.  ...  Particularly, we addressed the following three main objectives: (i) the prediction of the spatial occurrence of sheet and gully erosion, as well as Badlands, by integrating remotely sensed data and terrain  ... 
doi:10.3390/geosciences10070248 fatcat:4zfrxxjh4bffbaspqqz6jjkzjq

Morphometric terrain analysis to explore present day geohazards and paleolandscape forms and features in the surroundings of the Melka Kunture prehistoric site, Upper Awash Valley, Central Ethiopia

Michael Maerker, Calogero Schillaci, Jan Kropáček
2018 Acta Universitatis Carolinae Geographica  
We show that Melka Kunture, a cluster of Pleistocene sites in the Upper Awash valley of Ethiopia, is affected by flooding and erosion/sedimentation processes.  ...  In this paper, we show how detailed topographic analysis and simple hydrological modelling approaches help to explain complex terrain pattern and to assess geohazards affecting archaeological sites.  ...  The ALOS/PRISM data were provided by the ESA in the framework of the project ID13160. The aerial photographs were provided by the Ethiopian Mapping Agency in Addis Ababa.  ... 
doi:10.14712/23361980.2018.2 fatcat:2u7am2pihreonbjimg32emobea

Main Ethiopian Rift landslides formed in contrasting geological settings and climatic conditions

Karel Martínek, Kryštof Verner, Tomáš Hroch, Leta A. Megerssa, Veronika Kopačková, David Buriánek, Ameha Muluneh, Radka Kalinová, Miheret Yakob, Muluken Kassa
2021 Natural Hazards and Earth System Sciences  
New structural and morphotectonic data from central Main Ethiopian Rift (CMER) and southern Main Ethiopian Rift (SMER) support a model of progressive change in the regional extension from NW–SE to the  ...  The Main Ethiopian Rift (MER), where active continental rifting creates specific conditions for landslide formation, provides a prospective area to study the influence of tectonics, lithology, geomorphology  ...  We thank our many colleagues from the Geological Survey of Ethiopia and Addis Ababa University (School of Earth Sciences), for their help in the acquisition, processing and interpretation of the data,  ... 
doi:10.5194/nhess-21-3465-2021 fatcat:co7dsbv5nrf7znl55sy4msfvty

Optimal parameter selection for qualitative regional erosion risk monitoring: A remote sensing study of SE Ethiopia

Moncef Bouaziz, Mathias Leidig, Richard Gloaguen
2011 Geoscience Frontiers  
We focus on the catchment basin of the Maleka Wakena reservoir, located in the southeastern portion of the main Ethiopian Rift, where erosion is the major environmental problem.  ...  These maps enable us to highlight areas in immediate need of conservation strategies in order to control siltation of the SE Ethiopian reservoir and to control further soil degradation.  ...  The authors express also their gratitude to Dr. Adam Szulc for reading and correcting earlier drafts of this paper.  ... 
doi:10.1016/j.gsf.2011.03.004 fatcat:mtulfahweraufcigygk5zfefzm

Controls on magmatic cycles and development of rift topography of the Manda Hararo segment (Afar, Ethiopia): Insights from cosmogenic 3He investigation of landscape evolution

S. Medynski, R. Pik, P. Burnard, A. Williams, C. Vye-Brown, D. Ferguson, P.-H. Blard, L. France, G. Yirgu, J.I. Seid, D. Ayalew, A. Calvert
2013 Earth and Planetary Science Letters  
We combine structural investigations, field mapping, geochemical analysis and cosmogenic 3 He exposure dating of lava surfaces in order to investigate the interplay between volcanic activity and fault  ...  Our results allow us to determine the roles of the various magma reservoirs feeding this rift system and their interactions during accretion over the past 100 kyr.  ...  Acknowledgements This paper is dedicated to the memory of Osman Mohammed Tajuddin. For their help in the field, we thank J. Foeken, Y. Marrocchi and P.  ... 
doi:10.1016/j.epsl.2013.02.006 fatcat:hjy7l2bi45fxpgqtn52hi6fcje

Geoheritage and Resilience of Dallol and the Northern Danakil Depression in Ethiopia

Viktor Vereb, Benjamin van Wyk de Vries, Miruts Hagos, Dávid Karátson
2020 Geoheritage  
The Danakil Depression, located in the northern segment of the Afar rift, is a world-class example of active rifting and the birth of a new ocean.  ...  A three-year-long remote sensing campaign has been done to provide information on improving the resilience of visitors through interpreted, monthly hazard maps, and on following up the changes of geothermal  ...  The double-degree PhD research of Viktor Vereb on the connection of geoheritage and natural hazards in areas of different geographical environments and heritage management practices is financed by Campus  ... 
doi:10.1007/s12371-020-00499-8 fatcat:atyixzximffvhoho3c7ims2wvu

Tigray: Atlas of the humanitarian situation [article]

Sofie Annys, Tim Vanden Bempt, Emnet Negash, Lars De Sloover, Robin Ghekiere, Kiara Haegeman, Daan Temmerman, Jan Nyssen
2021 Zenodo  
The objective of this 'Atlas of the Humanitarian Situation' is to document and map the situation in which approximately 6 million Tigrayans currently find themselves.  ...  The 26 maps in this atlas provide detailed information at the scale of districts (woredas) or sub-districts (tabiyas).  ...  Irob Advocay, Tghat, and office holders (who prefer to be anonymous at this stage) shared their data with us. Publicly available data from MapEthiopia and OCHA have also been used.  ... 
doi:10.5281/zenodo.5804284 fatcat:vlc73l7vxfa5zjmauqopjv2wsi

Tigray: Atlas of the humanitarian situation [article]

Sofie Annys, Tim Vanden Bempt, Emnet Negash, Lars De Sloover, Robin Ghekiere, Kiara Haegeman, Daan Temmerman, Jan Nyssen
2021 Zenodo  
The objective of this 'Atlas of the Humanitarian Situation' is to document and map the situation in which approximately 6 million Tigrayans currently find themselves.  ...  The 26 maps in this atlas provide detailed information at the scale of districts (woredas) or sub-districts (tabiyas).  ...  Irob Advocay, Tghat, and office holders (who prefer to be anonymous at this stage) shared their data with us. Publicly available data from MapEthiopia and OCHA have also been used.  ... 
doi:10.5281/zenodo.5805687 fatcat:dat55e7aezdolg45swl6gaeq3e

Tigray: Atlas of the humanitarian situation (v 1.6) [article]

Sofie Annys, Tim Vanden Bempt, Emnet Negash, Lars De Sloover, Robin Ghekiere, Kiara Haegeman, Daan Temmerman, Jan Nyssen
2021 Zenodo  
The objective of this 'Atlas of the Humanitarian Situation' is to document and map the situation in which approximately 6 million Tigrayans currently find themselves.  ...  The 25 maps in this atlas provide detailed information at the scale of districts (woredas) or sub-districts (tabiyas).  ...  These rural access roads however easily suffer from gully erosion 43 , and need maintenance for securing access.  ... 
doi:10.5281/zenodo.5881561 fatcat:smmvno2mrndixgkdju3my5nini

Engineering geology maps: landslides and geographical information systems

J. Chacón, C. Irigaray, T. Fernández, R. El Hamdouni
2006 Bulletin of Engineering Geology and the Environment  
in use in This report is being continually updated and further references can be seen on the IAEG website (www.iaeg.info) under Commission No. 1.  ...  Three groups of maps are considered: maps of spatial incidence of landslides, maps of spatialtemporal incidence and forecasting of landslides and maps of assessment of the consequences of landslides.  ...  Acknowledgments This review has been funded by project REN2002-03366 on Landslides and active tectonics in the Guadalfeo river basin (Granada, Spain)  ... 
doi:10.1007/s10064-006-0064-z fatcat:jofxzujplfednd66mbhf35tncu

Sediment yield in Africa

Matthias Vanmaercke, Jean Poesen, Jente Broeckx, Jan Nyssen
2014 Earth-Science Reviews  
Also the Rift Region is generally characterized by relatively high SY values, while rivers in Western and Central Africa have generally low SY values.  ...  The objective of this article is therefore: i) to review and compile available SY data for Africa; ii) to explore the spatial variability of these SY data; and iii) to examine which environmental factors  ...  Analysis of factors determining sediment yield variability in the highlands of northernEthiopia. Geomorphology 76, 76-91. Tavares, J., 2010.  ... 
doi:10.1016/j.earscirev.2014.06.004 fatcat:3t4ndqg4qnfzldk3moed2lltri

Relationship between the tropical Pacific and Indian Ocean sea-surface temperature and monthly precipitation over the central highlands, Vietnam

Tinh Dang Nguyen, Cintia Uvo, Dan Rosbjerg
2007 International Journal of Climatology  
T he present paper reports the results of a water drilling campaign carried out in the central sector of the Main Ethiopian Rift Valley. 14 water wells were drilled in the Lake Region of the Zway area,  ...  In places where vegetation is absent, lineal erosion features (rill and gully erosion) prevail with an average loss of 3.6 cm/year.  ...  ; simulation and modelling of water resource systems; forecasting and control of quantity and quality of water; economic and social aspects of water use; legislation and water resources protection.  ... 
doi:10.1002/joc.1486 fatcat:b7u5rdyrkjcpnd4vp63hhkocbe

Università degli Studi di Cagliari PhD IN SOIL DEFENSE AND CONSERVATION, ENVIRONMENTAL VULNERABILITY AND HYDROGEOLOGICAL PROTECTION XXV Cycle REMOTE SENSING AND GIS-BASED MAPPING ON LANDSLIDE PHENOMENA AND LANDSLIDE SUSCEPTIBILITY EVALUATION OF DEBRESINA AREA (ETHIOPIA) AND RIO SAN GIROLAMO BASIN (SARDINIA)

Di Felice, Gregorio, Giulio Barbieri
2011 unpublished
) data collection using Remote sensing and field investigations (c) laboratory works, and (d) data analysis and evaluations using GIS based Overlay Mapping (OM), Frequency Ratio (FR), Analytical Hierarchical  ...  and gully erosion and agricultural areas.  ...  The mass structure and material fabric is destroyed. There i s a large change in Volume, but the soil has not been significantly transported.  ... 
fatcat:ebwq2flwbjh4dbg5pda6xdxaqu

SOIL EROSION ASSESSMENT USING GEOGRAPHIC INFORMATION SYSTEM AND REVISED UNIVERSAL SOIL LOSS EQUATION: ACASE STUDY ON KULFO WATERSHED. ETHIOPIA

DESSIE GIETA
2016
Thus, study was aimed to estimate and map the soil loss by using GIS and RUSLE techniques raster format in GIS environment. Topographic map of 1:250,000 scale.  ...  The RUSLE parameters were analyzed and superimposed using raster calculator in the geo-processing tools in ArcGIS10.2 environment to estimate and map the annual soil loss of the study area.  ...  The potential utility of remotely sensed data in the form of aerial photographs and satellite sensors data has been well recognized in mapping and assessing landscape attributes controlling soil erosion  ... 
doi:10.20372/nadre:1554185326.09 fatcat:ztot45eaxbfsbnsxbcp7lnzkki
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