July 22, 2025 Report Open Access

Mekonen Gedewon

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  <identifier identifierType="DOI">10.20372/nadre:11619</identifier>
  <creators>
    <creator>
      <creatorName>Mekonen Gedewon</creatorName>
      <affiliation>Mekdela Amba University</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Groundwater Quality and Potential Assessment in Mekane Selam and its Surrounding Area, South Wollo, Ethiopia</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2025</publicationYear>
  <dates>
    <date dateType="Issued">2025-07-22</date>
  </dates>
  <resourceType resourceTypeGeneral="Report"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://nadre.ethernet.edu.et/record/11619</alternateIdentifier>
  </alternateIdentifiers>
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    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.20372/nadre:11618</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://nadre.ethernet.edu.et/communities/mau-community</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;The development of a balanced plan for water resource utilization necessitates a comprehensive&lt;br&gt;
assessment of water resources in terms of quality, quantity, spatial distribution, and the land use and&lt;br&gt;
land cover conditions of the entire catchment. The Mekaneselam and its surrounding area, located in&lt;br&gt;
the northern part of Ethiopia within the South Wollo Zone, are bordered by the Blue Nile Gorge to the&lt;br&gt;
south and the Yeshum River Gorge to the east. This region exhibits two distinct topographic features:&lt;br&gt;
the highlands, covering approximately 80% of the area and dominated by the Ashengie Formation,&lt;br&gt;
and the lowlands, comprising Quaternary volcanics. The catchment&amp;rsquo;s annual rainfall, determined&lt;br&gt;
through arithmetic averaging of point data from nearby stations, is approximately 1268 mm/year.&lt;br&gt;
Using a conventional recharge estimation method, the annual recharge rate of the catchment is&lt;br&gt;
calculated to be 230.4 mm/year. The primary aquifers in the area consist of scoria and vesicular&lt;br&gt;
basalt. Groundwater recharge, discharge conditions, and flow systems are predominantly influenced&lt;br&gt;
by rainfall, topographic features, and structural geology. The groundwater potential of the area is&lt;br&gt;
categorized into High, moderate, low, and very low, with the general groundwater flow direction from&lt;br&gt;
northeast to southwest, albeit with minor irregularities due to local topographic variations, deep&lt;br&gt;
wells, and structural influences. Hydrogeochemical analysis using Aquachem software identified four&lt;br&gt;
water types, including Ca-HCO3, Na-Ca-HCO3, Ca-Mg-HCO3, and Ca-Mg-HCO3-Cl. The dominant&lt;br&gt;
water type in the region is Ca-Mg-HCO3. Groundwater in the area evolves from Ca-HCO3 and CaMg-HCO3 types in recharge zones to Na-Ca-HCO3 types in discharge zones. This evolutionary trend&lt;br&gt;
is governed by processes such as dissolution, precipitation, cation exchange, and hydrolysis of silicate&lt;br&gt;
minerals. This study provides insights into groundwater recharge-discharge dynamics, flow systems,&lt;br&gt;
and hydrogeochemical evolution to support sustainable water resource planning and emphasizes the&lt;br&gt;
importance of implementing land use practices, monitoring water quality variations, and constructing&lt;br&gt;
storage facilities to enhance resource utilization in Mekaneselam and similar catchments.&lt;/p&gt;</description>
    <description descriptionType="Other">Funded by Mekdela Amba University</description>
  </descriptions>
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