期刊
ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES
卷 50, 期 4, 页码 461-474出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10256016.2014.959443
关键词
water cycle; Olt River; oxygen-18; isotope hydrology; precipitation; deuterium excess; river; Romania; hydrogen-2
One of the most important tributaries of the Danube River in Romania, the Olt River, was characterized in its middle catchment in terms of the isotopic composition using continuous flow-isotope ratio mass spectrometry (CF-IRMS). Throughout a period of 10 months, from November 2010 to August 2011, water samples from the Olt River and its more important tributaries were collected in order to investigate the seasonal and spatial isotope patterns of the basin waters. The results revealed a significant difference between the Olt River and its tributaries, by the fact that the Olt River waters show smaller seasonal variations in the stable isotopic composition and are more depleted in O-18 and H-2. The waters present an overall enrichment in heavy isotopes during the warm seasons.
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