engleski

Characteristics and origin of the Split sulphur spa (Southern Croatia)

The objective of this paper is to study the hydrological characteristics and origin of the sulphur water from the Split spa in Southern Croatia in 1987, 1988 and 2003. This paper presents the results of monitoring the content of chlorides and hydrogen sulphide as well as the sulphur water temperature. Since the hydrogen sulphide content during the dry periods significantly differs from the hydrogen sulphide water content during rainy periods this paper also compares the results obtained for those two periods. Under the influence of great quantities of rainfall during cold periods (winter and the beginning of spring) the ratio between seawater and surface water changes and thus the chlorides content and the content of other minerals are reduced and the lowered temperature reduces hydrogen sulphide which can disappear completely. According to the monitoring results it can be concluded that sulphur water consists of seawater and hydrogencarbonate surface water with a fairly constantr water content during dry periods while the hydrogencarbonate water content increases during rainy periods.

sulphur water; hydrogen sulphide; Split spa

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