July 1, 2009 Thesis Open Access

GETACHEW WELAMO

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    <subfield code="a">NUMERICAL GROUND WATER FLOW MODELING OF ALAMATA SUB-BASIN IN THE RAYA VALLEY (NORTHERN ETHIOPIA)</subfield>
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    <subfield code="a">&lt;p&gt;Alamata sub-basin which is found in the Raya Valley is located in the southern&lt;br&gt;
part of Tigray Regional State of the Northern Ethiopia. The area covers 51 % of&lt;br&gt;
the Raya valley with area coverage of 1292.57km2. The sub-basin water&lt;br&gt;
resource is used for irrigation and domestic water supply and is covered by&lt;br&gt;
tertiary volcanic in western and eastern highlands and alluvial deposit in the&lt;br&gt;
valley fill.&lt;br&gt;
The main purpose of this project work is to make a quantitative estimation for&lt;br&gt;
sustainable use of groundwater resource for domestic, live stock and agricultural&lt;br&gt;
supply. To achieve this objective careful understanding of hydrology, hydrogeology&lt;br&gt;
and dynamics of groundwater flow in and around the study area is mandatory.&lt;br&gt;
As numerical groundwater flow models represent the simplification of complex&lt;br&gt;
natural systems, different parameters were assembled into conceptual model to&lt;br&gt;
represent the complex natural system in a simplified form. The conceptual model&lt;br&gt;
was put into the numeric model to examine system response&lt;/p&gt;</subfield>
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