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Isotopes Environ Health Stud. 2014;50(1):33-51. doi: 10.1080/10256016.2013.826213. Epub 2014 Jan 20.

The isotope altitude effect reflected in groundwater: a case study from Slovenia.

Author information

1
a Department of Hydrogeology , Geological Survey of Slovenia , Ljubljana , Slovenia.

Abstract

This paper presents the stable isotope data of oxygen (δ(18)O) and hydrogen (δ(2)H) in groundwater from 83 sampling locations in Slovenia and their interpretation. The isotopic composition of water was monitored over 3 years (2009-2011), and each location was sampled twice. New findings on the isotopic composition of sampled groundwater are presented, and the data are also compared to past studies regarding the isotopic composition of precipitation, surface water, and groundwater in Slovenia. This study comprises: (1) the general characteristics of the isotopic composition of oxygen and hydrogen in groundwater in Slovenia, (2) the spatial distribution of oxygen isotope composition (δ(18)O) and d-excess in groundwater, (3) the groundwater isotope altitude effect, (4) the correlation between groundwater d-excess and the recharge area altitude of the sampling location, (5) the relation between hydrogen and oxygen isotopes in groundwater in comparison to the global precipitation isotope data, (6) the groundwater isotope effect of distance from the sea, and (7) the estimated relation between the mean temperature of recharge area and δ(18)O in groundwater.

PMID:
24437700
DOI:
10.1080/10256016.2013.826213
[Indexed for MEDLINE]

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