Document Detail

Determination of the recharge area and salinization degree of karst springs in the Lamas Basin (Turkey).
MedLine Citation:
PMID:  16543194     Owner:  NLM     Status:  MEDLINE    
The Lamas Basin is an area covering approximately 4,400 km(2) situated on the eastern Mediterranean coast of Turkey covered with highly karstified limestone and dolomitic limestone from the Miocene and Mesozoic age, respectively. Owing to the area's low karstification basement, groundwater in the karst aquifer circulates deep from the surface towards the springs along the coast as well as to the submarine springs. This study aims working out the salinization level and recharge characteristics of the Lamas Basin using environmental isotopes techniques. In the study, the data collected previously to discover, in general terms, the groundwater characteristics within the area are reanalyzed to fulfil the purpose of the study. In conclusion, it is found that the down gradient karst springs discharging along the Mediterranean coast mostly contain groundwater contributions from higher altitudes with depleted delta(18)O and delta(2)H compositions. The delta(18)O-altitude effect was determined as approximately-0.12 per thousand/100 m which may indicate sea-spray intrusion towards inland. As a result, the salinization level of coastal springs changes ranging between 1.2 % and 17.0 %. Owing to the seawater encroachment, Ca-HCO(3) water type changes to Na-HCO(3) or Na-Cl water by the cation exchange during the dry period. As the unique freshwater potential extends along the coastal area, the groundwater production should be exploited in a way that seawater encroachment is kept at minimum.
Galip Yüce
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Isotopes in environmental and health studies     Volume:  41     ISSN:  1025-6016     ISO Abbreviation:  Isotopes Environ Health Stud     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2006-03-17     Completed Date:  2006-04-13     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9602611     Medline TA:  Isotopes Environ Health Stud     Country:  England    
Other Details:
Languages:  eng     Pagination:  391-404     Citation Subset:  IM    
Department of Geological Engineering, Faculty of Engineering-Architecture, Eskisehir Osmangazi University, 26040, Meselik-Eskisehir, Turkey.
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MeSH Terms
Bicarbonates / analysis
Deuterium / analysis
Fresh Water / analysis*
Geological Phenomena
Oxygen Isotopes / analysis
Sodium Bicarbonate / analysis
Sodium Chloride / analysis*
Tritium / analysis
Water Movements
Water Supply / analysis*
Reg. No./Substance:
0/Bicarbonates; 0/Oxygen Isotopes; 10028-17-8/Tritium; 144-55-8/Sodium Bicarbonate; 3983-19-5/calcium bicarbonate; 7647-14-5/Sodium Chloride; 7782-39-0/Deuterium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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