TRANSBOUNDARY AQUIFERS TURKEY MaritzaErgene Basin

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TRANSBOUNDARY AQUIFERSTURKEY (Maritza-Ergene
Basin)

• Dr. Sevket COKGOR
• Istanbul Technical University, College of Civil
  Engineering,
• Department of Hydraulics,
• 34469, Maslak, Istanbul, Turkey
• cokgor_at_itu.edu.tr

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BASIN PROPERTIES

• The area studied is the European part of Turkey,
  the Thrace region (Figure 1) located between
  40o-42o N and 26o-29o E. The region is bordered
  by the Black Sea to the North, the Marmara Sea
  and Aegean Sea to the South, Greece to the West
  and Bulgaria to the Northwest. The area of the
  region is 24 760 km2

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Geology
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Ground Water

• Aquifer between in Turkey and Greece at Meric
  (Evros)
• Drainage Basin
• Kalker (Alluvial) Based aquifer drainage through
  the Meriç (Evros) river that between (border)
  Turkey and Greece. Aquifer drains water through
  the Greece side.

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Hydrogelogical map of the Turkey-Greece sharing
Aquifer (Map was printed in 1967)
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Water Levels
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Water Levels
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Water Levels
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Groundwater irrigations
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Groundwater irrigations
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Groundwater irrigations
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Physical Properties
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Data of Monitored Quality
Data Monitoring Regularly (DSI) Water
Quality Regularly (DSI) Because this
observation wells are using for municipalities
(drinking water) - irrigation purposes
- industrial uses
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Conclussions

• Water level in the mentioned area getting lower
  because of increasing water needs
• Water sharing is getting decrease because of this
  reason with Greece (hydraulic gradient reducing)
• Salt water intrusion become important at the
  delta of Meriç