Journal Title
Title of Journal: Environ Geol
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Abbravation: Environmental Geology
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Publisher
Springer-Verlag
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Authors: N Nur Ozyurt
Publish Date: 2007/06/14
Volume: 54, Issue: 4, Pages: 731-736
Abstract
Salinity and temperature variations in groundwater discharge from the Altug submarine karst cave have been observed at 28 m below sea level for every 10 min between November 2004 and August 2005 to determine the drivers that govern the salinization Comparisons between temporal trends of salinity and temperature with those of precipitation air pressure sea level and wind velocity revealed an apparent dominance of precipitation regime on the salinity and temperature variations Spectral analyses applied to observations showed that the air pressure and sea level oscillations are affected by sun and moon tides which do not have an appreciable impact on the salinity and temperature variations Annual rate of salinization in Altug cave seems inversely related to the inland groundwater head so that the maximum and minimum fresh water contributions occur at midspring and latesummer respectivelyThis study has been carried out as a part of regional hydrogeologic study on coastal and submarine karst discharges Financial support for the regional study has been provided by TUBITAK103Y025 and IAEARC12570/R0 grants Support for field work by members of MADAG cave diving team and comments by Dr C S Bayari Hacettepe University on manuscript are gratefully acknowledged Comments by an anonymous referee that helped to improve the manuscript are also gratefully acknowledged
Keywords:
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