2009, Volume 12, Issue 23+24
The Stable Isotopes in the Hydrology Studies at Raureni-Valcea Area
1 National Institute for Research and Development for Cryogenics and Isotopic Technologies - ICIT Rm. Valcea, Uzinei Street no. 4, P.O. Box Raureni 7, 240050, Ramnicu Valcea, Romania
2 University Bucharest - Faculty of Physics, Department of Atomic and Nuclear Physics
3 National Institute of Research-Developement for Isotopic and Molecular Technologies, Cluj-Napoca, Romania
*Corresponding author: Diana Costinel, e-mail: firstname.lastname@example.orgPublished: June 2009
The hydrology and the climate studies are now and will continue to be joined by human activities. Observing differences of the stable isotopic concentration ratios informs us about certain geochemical or hydrological processes that took place. The isotopic composition of oxygen and hydrogen in rainwater varies with latitude, altitude, climate and time of the year. This methodology is an important tool in studying groundwater movement or freshwater origin.
This study demonstrated the utility of the Continuous Flow – Isotope Ratio Mass Spectrometry method for measuring natural variation of the occurring isotopes of hydrogen (2H) and oxygen (18O) in meteoric waters. We continue until now (September 2009) the last work were we measured the variation of δ18O and δ2D values from precipitation fallen in Raureni-Valcea area between May-December 2007 and September 2008-March, together with the δ18O and δ2D values from the Bistrita river (Costinel D. et al, 2009). For this area was reported the local Meteoric Water Line and the variation of δ18O and δ2D values was correlated with the temperature and humidity in the same period.
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