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Pregled bibliografske jedinice broj: 632055

Časopis

Autori: Matić, Natalija; Miklavčić, Igor; Maldini, Krešimir; Tomas, Damir; Cuculić, Vlado; Cardellini, Carlo; Frančišković-Bilinski, Stanislav
Naslov: Geochemical and isotopic characteristics of karstic springs in coastal mountains (Southern Croatia)
Izvornik: Journal of geochemical exploration (0375-6742) 132 (2013); 90-110
Vrsta rada: članak
Ključne riječi: Biokovo; Sutvid and Rilić Mountains (Dalmatia; Croatia); karstic springs; trace elements in water; radon concentrations in water; trace elements in sediments
Sažetak:
Seventeen gravity springs from the slopes of the Biokovo, Sutvid and Rilić Mountains at the Adriatic coast of Croatia were investigated. Five of them are included in the regional and three of them are included in the local water supply system. Other springs are used by local inhabitants and tourists for drinking. The aim of this study was to determine the underground karst connections, source and type of the groundwater defining different hydrochemical facies, the aquifer behavior and the impact of the rehabilitated landfill Donja Gora on karstic springs due to the detected anomalous concentrations of lead in sediments. Hydrochemical facies was determined using a Piper diagram. It was shown that groundwater belongs to the Ca–HCO3 type of water. Concentrations of 17 dissolved and total trace elements, organic compounds, organic carbon, nutrients and ions, phenols, PCBs and mineral oil microbiological properties, physical and chemical indicators were determined in groundwater samples. Their concentrations were extremely low, more than 3 orders of magnitude less than allowed by the Croatian regulations for the first category of groundwater and drinking water, so the quality of water is excellent. Origin of some elements is discussed and complex statistical analysis is performed, using log-probability plots and partitioning of distributions following the Sinclair graphical procedure. Majority of minor and trace element concentrations show unimodal distribution of the data. Only five elements (Al, Mn, Ni, Pb and Zn) show the combinations of 2 or 3 log-normal distributed populations, probably reflecting the presence of different sources and/or processes. For the first time, isotopic investigations were performed in any karst region of Croatia, measuring the concentration of dissolved radon in the groundwater. The measured values of radon concentrations for spring water ranged from 0.45 Bq L− 1 to 16.53 Bq L−1. These results are much lower than the reference level of 100 Bq L−1 set by the European Commission for drinking water. The lowest radon concentration 0.44 Bq L−1 was measured at the surface water intake on the Cetina River. The mass fractions of 16 elements were determined in 3 representative spring sediments. Highest concentrations of some metals in total sediments (mg kg− 1, d.w.) are: lead 2601, chromium 244, silver 1.11, manganese 1178, zinc 322, copper 507 and barium 461. Lead concentrations are assumed to be of natural origin.
Projekt / tema: 098-0982934-2720
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Geologija
URL Internet adrese: http://www.sciencedirect.com/science/article/pii/S0375674213001222
http://www.sciencedirect.com/science/article/pii/S0375674213001222
http://dx.doi.org/10.1016/j.gexplo.2013.06.007
Broj citata:
Altmetric:
DOI: 10.1016/j.gexplo.2013.06.007
URL cjelovitog teksta: http://www.sciencedirect.com/science/article/pii/S0375674213001222
Google Scholar: Geochemical and isotopic characteristics of karstic springs in coastal mountains (Southern Croatia)
Upisao u CROSBI: Stanislav Frančišković-Bilinski (Stanislav.Franciskovic-Bilinski@irb.hr), 7. Lip. 2013. u 09:47 sati



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