Typological and qualitative characteristics of Greek-interregional rivers.

Skoulikidis, N.Th.

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dc.contributor.author	Skoulikidis, N.Th.	en
dc.date.accessioned	2016-03-11T11:40:58Z
dc.date.issued	2016-03-11
dc.identifier.uri	http://hdl.handle.net/123456789/496
dc.rights	Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες	*
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/3.0/us/	*
dc.subject	Acid silicates	en
dc.subject	Catchment geology	en
dc.subject	Pollution	en
dc.title	Typological and qualitative characteristics of Greek-interregional rivers.	en
heal.type	journalArticle
heal.keywordURI	N/A-Acid silicates
heal.keywordURI	N/A-Catchment geology
heal.keywordURI	N/A-Pollution
heal.identifier.secondary	DOI: 10.12681/mms.260
heal.dateAvailable	2016-03-11T11:45:58Z
heal.language	en
heal.access	free
heal.recordProvider	National Centre for Marine Research (N.C.M.R.) / Institute of Inland Waters	en
heal.publicationDate	2002
heal.bibliographicCitation	Skoulikidis N.Th. . (2002). Typological and qualitative characteristics of Greek-interregional rivers. Mediterranean Marine Science. Vol. 3/1, 2002, 79-88.	en
heal.abstract	The catchments of the interregional rivers (I.R.) entering Greece cover an area of approximately 98000 km2, of which only 14% belongs to Greece, while their contribution to the country’s freshwater runoff reach 40% (18 km3/a). Geologically, the I.R. catchments are marked by their high percentage of acid silicates. I.R. show hydrochemical similarities, except for Evros, which is highly polluted. Compared to the other major Greek rivers, I.R. are the most polluted, with the Evros at the top, followed by the Axios. The main factors controlling their composition are climate, pollution and catchment geology. Inter-annual qualitative variations are controlled by seasonal climatic variations, which govern evaporation, groundwater contribution to river flow, dilution and flushing. A long-term salinisation of river water is attributed to climatic and anthropogenic impact. The I.R. transfer approx. 6,63 Μ t dissolved solids to the sea annually. Regarding the inputs of pollutants into the sea, they transfer over 70 % of the potassium, nitrate and dissolved organic carbon of the total load carried by major Greek rivers (78% of total Greek surface runoff), whereas for phosphate and sulphate the percentages reach 89 and 78.	en
heal.publisher	N.C.M.R. (National Center for Marine Research)	en
heal.journalName	Mediterranean Marine Science	en
heal.journalType	peer-reviewed
heal.fullTextAvailability	true
heal.coverage.spatial	Greek-interregional rivers	el