April 16, 2009 Thesis Open Access

Dagnachew Adugna

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    <subfield code="a">Study of the Urban Drainage System in Addis Ababa, Yeka Sub-city.</subfield>
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    <subfield code="a">&lt;p&gt;Urbanization along with its impervious structures is the major challenge of urban&lt;br&gt;
centers. The foundation and expansion of Addis Ababa was associated with the rapid&lt;br&gt;
conversion of land from rural to urban uses more than anywhere else in the country. For&lt;br&gt;
the last one hundred twenty years it has been noticed that there is an intensive&lt;br&gt;
conversion of rural land to urban development such as buildings, transportation&lt;br&gt;
networks, recreation areas, reservoirs and others where most of them are impermeable.&lt;br&gt;
This study has investigated the overall environmental challenges of the urban drainage&lt;br&gt;
system. This study has particularly carried out in three sample kebeles (kebele 01/02,&lt;br&gt;
08/15 and 13/14) within Yeka sub-city. These kebeles were selected because of the fact&lt;br&gt;
that they are representative to address the objectives of this study. Deforestation and&lt;br&gt;
pavement of structures are the major problems in the study area. An exploratory and&lt;br&gt;
Descriptive type of research design methods were used to describe and explore the&lt;br&gt;
existing condition of the general urban drainage system and the natural water ways.&lt;br&gt;
Data collection methods were carried out using both primary and secondary data&lt;br&gt;
sources. The secondary data source was only relevant to reinforce the primary data.&lt;br&gt;
The collected data were analyzed with Ms-excel, AutoCAD and ArcGIS. The results&lt;br&gt;
have been presented with known statistical tools.&lt;/p&gt;</subfield>
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