Browsing Earth Sciences by Title

Now showing items 501-520 of 608

Quality and QuanAssessments of Marble Deposit in Benishangual Gumuz, Regional State, Around Daleti Area.

Mohammednur, Hafis (Addis Ababa University, 2019-06-05)

Daleti marble deposit is situated in the Western part of Ethiopia near Oda Beldeglue woreda, Daleti Keble, which is about 665 km from Addis Ababa and at an elevation of between 590 to 2491 m above mean sea level. Geology ...
Quasi Newton Methods

Alemayu, Ataklti (Addis Ababa University, 2018-06-07)

In this work, we investigate quasi Newton methods for solving unconstrained optimization problems. We consider two di erent quasi-Newton update formulas, namely, Broyden- Fletcher-Goldfarb and shanno (BFGS) update and ...
Rainfall-Runoff Modelling for Sustainable Water Resources Management: The Case of Gumara Watershed, Ethiopia

Ayenew, Yibeltal (Addis Ababa Universty, 2008-07)

Flow estimation at a point in a river is vital for a number of hydrologic applications including flood forecasting, water resource management, and for development applications. This paper presents the result of a watershed ...
Rangeland suitability analysis for livestock production using GIS and Remote sensing: The case of Yabello Woreda, Southern Ethiopia.

Lemmessa, Fikadu (Addis Ababa Universty, 2011-02)

Livestock production is essential for household food security in pastoralist areas since they uses their products directly to exchange with other household commodities. Yabello Woreda is one of the pastoral Woredas found ...
Rangeland Suitability Evaluation for Livestock Production Using Remote Sensing and Gis Techniques In Dire District, Southern Ethiopia

Keno, Berhanu (Addis Ababa University, 2013-06-06)

One of the important issues in practical and sustainable rangeland management is the study of range suitability. Rangelands are complex ecosystems with balanced and accurate relationships among its parts. Correct management ...
Rare Metals Mineralization in the Kilkile Area of Kenticha Greenstone Belt, Adola Area, Southern Ethiopia

Ayele, Mezmur (Addis Ababa University, 2018-06-06)

Rare metal bearing pegmatite of Kilkile contains a number of economically important minerals which attract economic interest by offering rare metals (Ta, Nb, Cs, Li and others), gemstones (emerald, aquamarine, tourmaline, ...
Recognition of Behavioral Disorder From Text Using Natural Language Processing Techniques

Tesfaye, Mersi (Addis Ababa University, 2019-09-09)

Nowadays, a mental disorder is becoming a major challenge to global development. The number of people around the globe who are suffering from one or more mental disorders are growing rapidly. Most of these mental disorders ...
Recycling of Dusted Salt From Raw Hides/Skins for Pickling Operation Using Supernatant (Waste Liquor) From Chrome Recovery Unit: a Case of Dire Tannery

Guche, Mesfin (Addis Ababa University, 2018-06-05)

Since the scope for green processing is limited in Ethiopia, sodium chloride is widely used to preserve raw hides and skins. It contributes to a high volume of total dissolved solids (TDS) in the soak waste liquor. A large ...
Regionalization of flow duration curve for Abbay Basin using GIS technique

Teshome, Tsedey (Addis Ababa Universty, 2007-02)

Water resource development planning is usually referred as the process to define how to utilize the available water resource to meet the desired objectives. In order to compensate for the scarcity of data for the available ...
Relation Ship Sbetween Geology, Mor Phology and Soil Associations of Bichena Area ( S. E. GOJAM )

Ayalew, Teklewold (Addis Ababa Universty, 1981-10)

The study investigates the extent of influence of the geolog- ical history , essentially parent rock * topography and time , on soil formation and distribution in Bichena , Southeastern Gojjam * Lithostratigraphy of the ...
Relationship Between Structure and Lithology and their Control on Gold Mineralization in Okote Area, Southern Ethiopia

Tadesse, Yonatan (Addis Ababa University, 2013-06-06)

Okote gold field is found within Neoproterozoic greenstone terrains of southern Ethiopia. This greenstone belt trend in North-south direction, and characterized by Precambrian rocks comprising basic/ Ultrabasic and other ...
Remot Esensing based Actual Evapotranspiration Assessment in The Lakea Abaya-Chamo Basin

Hailu, Fekadu (Addis Ababa Universty, 2008-02)

The focus of this study is to estimate the daily actual evapotranspiration and assess its spatio-temporal variability in Abaya-Chamo basin, southern section of the Main Ethiopian rift valley using remote sensing techniques. ...
Remote Senesing and Gis Based Urban Land Suitablity Modeling at Parcel Level Using Multicritria Decision Analysis; a Case Study of Bole Sub City, Addis Abeba, Ethiopia

Berhe, Teklit (Addis Ababa University, 2015-06-06)

This research was carried out to evaluate the suitability of the land for urban development activities using remote sensing and GIS applications with the integration of MCDA approach. Evaluation of urban land in terms ...
Remote Sensing and Gis Approach for Estimation of Land Surface Temperature to Examine Urban Heat Island Effect on A City Scale; the Case of Hawassa City, Ethiopia

Sisay, Dagnachew (Addis Ababa University, 2018-05-04)

Estimation of Land Surface Temperature (LST) in a city scale is essential for various applications, especially for examining the Urban Heat Island (UHI) effect caused by different factors and identify the relationship of ...
Remote Sensing and Gis Assisted Participatory Biosphere Reserve Zoning for Wild Coffee Conservation: Case of Yayu Forest

Getaneh, Fite (Addis Ababa Universty, 2008-12)

The original habitat of coffee is the shaded understory of montane rainforests in southwestern and southeastern Ethiopia. The wild Coffea arabica populations in these regions display a complex geographical distribution ...
Remote Sensing and Gis Based Characterization of Agriculturral Drought Conditions in North Wollo Zone Amhara Regional State, Ethiopia

Gebre, Eshetu (Addis Ababa Universty, 2017-01)

Drought is the most complex but least understood of all natural hazards. Major food production in Ethiopia, especially in the Amhara Region, North Wollo Zone, is almost fully dependent on rain-fed agriculture and the ...
Remote Sensing and Gis Based Determination of Evapotranspiration of Lake Tana Basin, North Ethiopia

Bizu,Yalew (Addis Ababa Universty, 2015-06)

Lake Tana Basin which is found in Northwest highlands of Ethiopia has high potential for irrigation agriculture, hydroelectric power development and ecotourism. This basin has been identified as one of the economic growth ...
Remote Sensing and GIS Based Drought Vulnerability Assessment: A case of Afar Regional State, Ethiopia

Melese, Ashenif (Addis Ababa Universty, 2016-06)

Ethiopia is one of the sub-Saharan countries and highly prone to drought hazards. Drought is water related natural disaster, which affects a wide range of environmental factors. It is mainly a climatic phenomenon that ...
Remote Sensing and Gis Based Environmental Suitability Analysis of Resettlement Sites: The Case of Chawaka (Western Oromia, Ethiopia

Shibru, Dagnachew (Addis Ababa Universty, 2011-02)

Environmental suitability analysis of resettlement site is a complicated integration of various ecological and social factors that affect human livelihood. It is a crucial step for the achievement of the objectives of ...
Remote Sensing and GIS Based Poverty Mapping Small- Area Estimation Approach in Rural Oromiya Regional State

Girma, Atreshiwal (Addis Ababa Universty, 2012-06)

GIS is increasingly used in poverty mapping. This research raises awareness about the need for a generic poverty data model for use in poverty mapping, and applies a recently developed small-area estimation technique. ...

Browsing Earth Sciences by Title

Browsing Earth Sciences by Title

Search AAU-ETD

Browse

All of AAU-ETD

This Collection

My Account