Stable isotopes in natural waters in Slovak Republic
1998
Michalko, J. (Geologicka Sluzba, Bratislava (Slovak Republic). Oddelenie Izotopovej Geologie)
Paper provides basic information about stable isotopes of light element behaviour in hydrosphere. As well as a few examples from isotope research behaviour in the hydrosphere, examples from isotope research of natural waters in Slovak territory are given. Ten year monitoring of oxygen isotope composition of precipitation shows usual pattern with light isotopes increasing with rising altitude and during winter. Sulphur in winter precipitation is terrestrial in origin with mean delta sub (34)S=4.7 pro mille. Karst springs in Velka Fatra mountains show mixing of three main sources of sulphur: upper Triassic schists, lower-middle Triassic schists and background sulphate, very similar to precipitation. Altitudinal effect on oxygen isotopes were also used for estimating altitude of recharge areas in the mountain range. Long term monitoring of isotope composition of Danube and Morava river confirms different river water origins. Every year light "Alps snow water" peak presence in Danube water can serve as natural tracer of bank groundwater movement. Sub(87) Sr/sub(86) Sr ratio could be used for identification of aquifers as documented in geothermal waters in Popradska kotlina basin (Slovak Republic)
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