DBPapers
DOI: 10.5593/SGEM2014/B31/S12.081

SPATIAL ARRANGEMENT FLAWS IN RURAL AREAS EVIDENCED BY DISSOLVED ORGANIC MATTER DISTRIBUTION IN GROUNDWATER

L. Ghervase, C. I.Ioja, R.Spiridon, G. Pavelescu
Wednesday 1 October 2014 by Libadmin2014

References: 14th SGEM GeoConference on Water Resources. Forest, Marine And Ocean Ecosystems, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-13-1 / ISSN 1314-2704, June 19-25, 2014, Vol. 1, 625-632 pp

ABSTRACT
The paper presents an evaluation of the influence that spatial planning of village households and utilities has over the groundwater used as drinking water source. Water samples collected from wells in a rural area in Romania were analyzed using fluorescence spectroscopy and the cadmium reduction method for nitrates. The spatial distribution of dissolved organic matter (DOM) and nitrates in the groundwater was created, in order to understand the role of local planning in the quality of groundwater. Spectroscopic ratios, derived from the fluorescence data, evidenced high concentration of microbial DOM as a cause of nearby sheepfolds and poor management of domestic/animal wastes. Nitrates concentration exceeded the maximum admitted limit in some wells due to soil infiltration from agricultural practices and animal wastes. The study has shown that groundwater is negatively influenced by animal sheds, the local cemetery and natural pools, whose effect is amplified by the area’s geomorphological features. The employed methods offer a rapid and sensitive evaluation of water quality in order to avoid health hazards for the population.

Keywords: groundwater, fluorescence, spatial distribution, dissolved organic matter