Browsing Earth Sciences by Title

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One Layer Transient Groundwater Flow Modeling at Becho Plain

Tadeg, Simegnew (Addis Ababa University, 2019-05-03)

The study focused on assessment of groundwater level responses and its spatial and temporal variability of the Becho plain using transient state flow following from steady state Modeling. Nowadays most of the water for ...
Ontology-Based Interactive Privacy Requirements Elicitation Method

Belay, Wendwesen (Addis Ababa University, 2020-04-04)

A major challenge in software engineering is to make users trust the software they use in their everyday activities. Trusting software depends on various elements, one of which is the protection of user privacy. Privacy ...
Optimal Routing of Highway in Landsli Using Remote Sensing and Gis: A Case Study on Gohatsion – Dejen Road Project, Ethiopia

Yilikal Bamlaku (Addis Ababa University, 2015-05-05)

Optimal highway routing is an important part of highway planning activities. The objectives of this study are to present and demonstrate the potential of Remote Sensing and GIS technology on route alignment selection in ...
The Origin and Evolution of Notochoerus Euilus (Suidae): Fossil Evidence from Woranso-Mille, Central Afar, Ethiopia

Gebreyesus, Hailay (2011-09)

Members of the Family Suidae (Artiodactyla, Mammalia) are among the most studied in the Plio-Pleistocene vertebrate fossil record of Africa. However, a number of disagreements remain in terms of their taxonomy and phylogenetic ...
Origin Of opal Hosted in Volcanic Rocks At Koste – Amba and Gift Mariyam, North Shoa (Central – Eastern Ethiopia)

Ali, Seid (Addis Ababa Universty, 2006-07)

Gemstone- quality opal in North Shoa /koste - Amba & Gift – Maryam localities is found in small amount. The opal – bearing rhyolitic glass is found situated at the topmost part of the Ethiopian flood basalt. It is ...
Paleoenvironmental Reconstruction of the Adigrat Sandstone Formation Around Dire Dawa Area, Southeast Ethiopia

Adefris, Damenu (Addis Ababa University, 2014-06-06)

The Adigrat Sandstone Formation of southeastern Ethiopia was not previously studied independently from the other Mesozoic sedimentary units. Its environment of deposition has been inferred as braided stream from regional ...
Paleomagnetic Investigation of Saha and Surrounding Area Volcanic Rocks, Central Afar, Northeast Ethiopia

Kendie, Temesgen (Addis Ababa Universty, 2017-05)

The paleomagnetic investigation was located in the area of Saha and surrounding area, central Afar. The paleomagnetic samples were collected from nine lava flow unit outcrop of basalt (Gulf basalt) which exposed Saha and ...
Paleomagnetic Study and Structural Mapping of Dofan Magmatic Segment of Northern Main Ethiopian Rift in Afar, Ne Ethiopia

Nugsse, Kahsay (Addis Ababa Universty, 2015-12)

The paleomagnetic investigation was carried out on outcropping Dofan volcanic rocks, southern Afar, Main Ethiopian Rift. The aim of this paleomagnetic study was to quantify vertical axis crustal block rotation and identifying ...
Paleomagnetism and Tectonics of Manda Hararo Rift of North Afar, Ethiopia

Atnafu, Ameha (Addis Ababa Universty, 2010-01)

This study explains tectonics and Paleomagnetism of Manda Hararo rift in north afar. The field trip which was organized by scientists from New Zealand, Ethiopia and UK was made to study the Dabbahu magmatic segment in ...
Paleomagnetism and Tectonics of Northern Munessa, Ethiopia

Alemayehu, Diriba (Addis Ababa Universty, 2012-06)

The paleomagnetic investigation is carried out in the eastern part of lake langano-ziway, Main Ethiopian Rift. The aim of this paleomagnetic study is to quantify vertical axis rotation.A total of 11 paleomagnetic samples ...
Pavement DistreAddis Ababa Ring Road – Assessment of Causes and Evaluation of Rehabilitation Measures

Tadesse, Zeleke (Addis Ababa University, 2013-07-07)

The present study area which forms a part of the ‘Ring road’ in Addis Ababa is located nearly round the city except in the northern portion of the city. The Addis Ababa city is located on the western margin of the Main ...
Pejrology, Geochemistry and Mineral Occurrences of the Big Dubicha Metaultramafic Rocks, Northeast of Kibremengist, Southern Ethiopia

Demissie, Tesfaye (Addis Ababa Universty, 1999-11)

The Big Dubicha metauitramafic mass is part of thy, east;,:l'n belt (Kenticha belt)Of, Adola area. Lithologic units in the area include; biotite - muscovite - quartz schist, chlorite schist, taic schist and tremolite - ...
Performance Evaluation of Water Treatment Plants (Wtps): a Comparative Study Between Gaborone and Mmamashia Wtps (Botswana)

Tshepho, Josephine (Addis Ababa University, 2020-07-07)

One of the ways to protect public health and environment by the elimination of waterborne diseases and pathogens is water undergoing treatment before consumption, making this process very important. Hence there is a need ...
Performance of Lab- Scale Filtration System for Greywater Treatment and Reuse: a Case of College of Natural and Computational Science Campus, Addis Ababa University, Ethiopia

Tusiime, Anna (Addis Ababa University, 2020-07-07)

Greywater management through treatment using filtration systems and reuse is one way to achieve water security in Ethiopia. The College of Natural and Computational Sciences (CNCS) campus of AAU is facing the problem of ...
Permeation Groutability Assessment on Volcani-Clastic -Sediments (Particularly on un Welded Tuff and Volcanic Breccia);A Case of Kesem Dam Foundation Grouting, in Afar Regional State, Ethiopia

Fikru Dawit (Addis Ababa Universty, 2011-04)

Accurate prediction of groutability of a soil mass by permeation has always been complicated since the effective penetrability of grout in to voids is a function of several interrelated parameters contributed from the ...
Petrogenesis of Basalts of Ghibe River Gorge, South-Western, Ethiopia.

Dessalegn, Firawalin (Addis Ababa University, 2015-06-06)

Ghibe River gorge is located in Southwestern Ethiopia, in the central part of Omo-Ghibe River Basin. The main objective of this study was to constrain the petrogenesis of Ghibe River gorge basalts using the geochemical ...
Petrogenesis of Bimodal Basalt-Rhyolite Suite from Debre Sahil/ Guna Area, Southeastern Ethiopia

Wubishet, Tegene (Addis Ababa University, 2018-05-30)

The Debre Sahil volcanic rocks are part of southeastern province, eastern shoulders of Northern MER. The area is located approximately 302 Km from Addis Ababa. The main objective of the research study was to understand the ...
Petrogenesis of Flood Basalts From Hirna Area, South Eastern Ethiopian Plateau

Getaw, Andualem (Addis Ababa University, 2013-07-07)

This study presents new petrography, major and trace element data from Hirna basalts, southeastern Ethiopian plateau which directly overlies the Cretaceous Upper sandstone for a maximum thickness of 540m. The study exhibit ...
Petrogenesis of Granitoid Rocks of Assosa Area, Western Ethiopia

Wondera, Natnael (Addis Ababa Universty, 2017-06)

The main objective of this research study to constrain the petrogenesis of granitoid rock of Assosa area. To achieve objective successfully, different research method had been done like: field investigation, petrographic ...
Petrogenesis of Plutonic Rocks from Southwest of Gimbi (Homa Area), Western Ethiopia

Abule, Feye (Addis Ababa Universty, 2017-05)

Southwest of Gimbi is located within the Western Ethiopian Precambrian shield that emplaced in between the low-grade volcanic and volcano-sedimentary rock assemblages and the high-grade gneiss and migmatites assemblages. ...

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