{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1737"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1737","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΓΕΩΧΗΜΕΙΑ ΠΑΡΑΚΤΙΩΝ ΙΖΗΜΑΤΩΝ (ΠΕΡΙΟΧΕΣ ΙΘΑΚΗΣ-ΚΕΦΑΛΛΗΝΙΑΣ-ΑΣΤΑΚΟΥ)","abstract":"SURFACE SEDIMENTS FROM THREE SEMIENCLOSED EMBAYMENTS (ITHAKI, ARGOSTOLI AND ASTAKOS) WAS STUDIED FROM GEOCHEMISTRY, SEDIMENTOLOGY AND MINERALOGY VIEW. THE FOLLOWING CONCLUSIONS 1) THE MINERALS CONSIST MAINLY OF CALCITE; QUART, FELDSPAR, ILLITE AND CHLORITE 2) THREE DISTINCT TRANSPORT MECHANISMS SEEM TO BE REFLECTEDIN THE FACTOR GROUPINGS A) COARSE FRACTION TRANSPORTED BY SURFACE CREEP AND/ORROLLING B) THE VERY FINE SAND AND THE COARSE SILT BY ROLLING AND SUSPENSION AND C) THE FINE SILT AND CLAY BY SUSPENSION. THE GEOCHEMICAL STUDY SHOWED THE SOURCE OF TRACE METALS AND THEIR ASSOCIATION WITH THE MAJOR CHEMICAL PHASES SUCH AS CLAYS DETRITAL MINERALS, ORGANIC MATTER AND FE-MN OXIDES AND HYDROXIDES. FOR THE CLASSIFICATION OF HEAVY METAL LEVELS IN SURFACE SEDIMENTS WE USED TWO INDEXPOLLUTION A) \"INDEX OF GEOACCUMULATION\" AND B) POLLUTION LOAD INDEX (P.L.I.).","abstract_html":"SURFACE SEDIMENTS FROM THREE SEMIENCLOSED EMBAYMENTS (ITHAKI, ARGOSTOLI AND ASTAKOS) WAS STUDIED FROM GEOCHEMISTRY, SEDIMENTOLOGY AND MINERALOGY VIEW. THE FOLLOWING CONCLUSIONS 1) THE MINERALS CONSIST MAINLY OF CALCITE; QUART, FELDSPAR, ILLITE AND CHLORITE 2) THREE DISTINCT TRANSPORT MECHANISMS SEEM TO BE REFLECTEDIN THE FACTOR GROUPINGS A) COARSE FRACTION TRANSPORTED BY SURFACE CREEP AND/ORROLLING B) THE VERY FINE SAND AND THE COARSE SILT BY ROLLING AND SUSPENSION AND C) THE FINE SILT AND CLAY BY SUSPENSION. THE GEOCHEMICAL STUDY SHOWED THE SOURCE OF TRACE METALS AND THEIR ASSOCIATION WITH THE MAJOR CHEMICAL PHASES SUCH AS CLAYS DETRITAL MINERALS, ORGANIC MATTER AND FE-MN OXIDES AND HYDROXIDES. FOR THE CLASSIFICATION OF HEAVY METAL LEVELS IN SURFACE SEDIMENTS WE USED TWO INDEXPOLLUTION A) "INDEX OF GEOACCUMULATION" AND B) POLLUTION LOAD INDEX (P.L.I.).","abstract_has_math":false,"creators":["Αλεξανδροπούλου, Σταυρούλα"],"institution":"Πανεπιστήμιο Πατρών","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1991,"date_issued":"1991","date_published":"1991","updated_at":"2026-07-24T02:25:05Z","subjects":["ESTUARIES","Factor analysis","Geochemistry","GULF OF ITHAKI,ARGOSTOLI,ASTAKOS","Metalls","POLLUTION INDEX","SEDIMENTOLOGY","Surface sediments","Trace elements","TRANSPORT OF SEDIMENTS AND METALS","Γεωχημεία","Δείκτες ρύπανσης","Επιφανειακά ιζήματα","ΙΖΗΜΑΤΟΛΟΓΙΑ","Ιχνοστοιχεία","ΚΟΛΠΟΣ ΑΕΤΟΥ,ΙΘΑΚΗΣ,ΑΡΓΟΣΤΟΛΙΟΥ,ΑΣΤΑΚΟΥ","Μέταλλα","ΜΕΤΑΦΟΡΑ ΙΖΗΜΑΤΩΝ","Παραγοντική ανάλυση","Παράκτια περιβάλλοντα","Φυσικές Επιστήμες","Natural Sciences","Γεωεπιστήμες και Επιστήμες Περιβάλλοντος","Earth and Related Environmental Sciences"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1737"],"render_values":[{"text":"10.12681/eadd/1737","href":"https://doi.org/10.12681/eadd/1737","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1737","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Αλεξανδροπούλου, Σταυρούλα"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1991"]},{"key":"dc:publisher","label":"Institution","values":["Πανεπιστήμιο Πατρών","University of Patras"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ESTUARIES","Factor analysis","Geochemistry","GULF OF ITHAKI,ARGOSTOLI,ASTAKOS","Metalls","POLLUTION INDEX","SEDIMENTOLOGY","Surface sediments","Trace elements","TRANSPORT OF SEDIMENTS AND METALS","Γεωχημεία","Δείκτες ρύπανσης","Επιφανειακά ιζήματα","ΙΖΗΜΑΤΟΛΟΓΙΑ","Ιχνοστοιχεία","ΚΟΛΠΟΣ ΑΕΤΟΥ,ΙΘΑΚΗΣ,ΑΡΓΟΣΤΟΛΙΟΥ,ΑΣΤΑΚΟΥ","Μέταλλα","ΜΕΤΑΦΟΡΑ ΙΖΗΜΑΤΩΝ","Παραγοντική ανάλυση","Παράκτια περιβάλλοντα","Φυσικές Επιστήμες","Natural Sciences","Γεωεπιστήμες και Επιστήμες Περιβάλλοντος","Earth and Related Environmental Sciences"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1737","http://hdl.handle.net/10442/hedi/1737"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["SURFACE SEDIMENTS FROM THREE SEMIENCLOSED EMBAYMENTS (ITHAKI, ARGOSTOLI AND ASTAKOS) WAS STUDIED FROM GEOCHEMISTRY, SEDIMENTOLOGY AND MINERALOGY VIEW. THE FOLLOWING CONCLUSIONS 1) THE MINERALS CONSIST MAINLY OF CALCITE; QUART, FELDSPAR, ILLITE AND CHLORITE 2) THREE DISTINCT TRANSPORT MECHANISMS SEEM TO BE REFLECTEDIN THE FACTOR GROUPINGS A) COARSE FRACTION TRANSPORTED BY SURFACE CREEP AND/ORROLLING B) THE VERY FINE SAND AND THE COARSE SILT BY ROLLING AND SUSPENSION AND C) THE FINE SILT AND CLAY BY SUSPENSION. THE GEOCHEMICAL STUDY SHOWED THE SOURCE OF TRACE METALS AND THEIR ASSOCIATION WITH THE MAJOR CHEMICAL PHASES SUCH AS CLAYS DETRITAL MINERALS, ORGANIC MATTER AND FE-MN OXIDES AND HYDROXIDES. FOR THE CLASSIFICATION OF HEAVY METAL LEVELS IN SURFACE SEDIMENTS WE USED TWO INDEXPOLLUTION A) \"INDEX OF GEOACCUMULATION\" AND B) POLLUTION LOAD INDEX (P.L.I.).","ΕΠΙΦΑΝΕΙΑΚΑ ΙΖΗΜΑΤΑ ΣΥΛΛΕΧΘΗΚΑΝ ΑΠΟ ΤΟΥΣ ΚΟΛΠΟΥΣ ΑΕΤΟΥ, ΙΘΑΚΗΣ, ΑΡΓΟΣΤΟΛΙΟΥ ΚΑΙΑΣΤΑΚΟΥ ΚΑΙ ΜΕΛΕΤΗΘΗΚΑΝ ΑΠΟ ΓΕΩΧΗΜΙΚΗΣ, ΙΖΗΜΑΤΟΛΟΓΙΚΗΣ ΚΑΙ ΟΡΥΚΤΟΛΟΓΙΚΗΣ ΑΠΟΨΗΣ. ΕΤΣΙ, ΠΡΟΣΔΙΟΡΙΣΤΗΚΑΝ ΤΑ ΟΡΥΚΤΑ ΠΟΥ ΕΠΙΚΡΑΤΟΥΝ ΣΤΑ ΙΖΗΜΑΤΑ ΚΑΙ ΕΙΝΑΙ 1) ΤΑ ΑΝΘΡΑΚΙΚΑ 2) ΤΑ ΑΡΓΙΛΙΚΑ Γ) Ο ΑΠΑΤΙΤΗΣ Δ) ΟΙ ΑΣΤΡΙΟΙ Ε) Ο ΧΑΛΑΖΙΑΣ. ΤΑ ΙΖΗΜΑΤΑ ΚΑΙ ΣΤΟΥΣ ΤΡΕΙΣ ΚΟΛΠΟΥΣ ΜΕΤΑΦΕΡΘΗΚΑΝ ΩΣ ΕΞΗΣ: 1) ΤΟ ΧΟΝΔΡΟΚΟΚΚΟ ΚΛΑΣΜΑ ΜΕΤΑΦΕΡΘΗΚΕ ΜΕ ΕΠΙΦΑΝΕΙΑΚΟ ΕΡΠΗΣΜΟ 'Η ΚΥΛΛΗΣΗ 2) ΤΑ ΜΕΣΑΙΟΥ ΜΕΓΕΘΟΥΣ ΥΛΙΚΑ ΜΕ ΚΥΛΛΗΣΗ ΚΑΙ ΑΙΩΡΗΣΗ ΚΑΙ 3) ΤΟ ΛΕΠΤΟΚΟΚΚΟ ΚΛΑΣΜΑ ΜΕ ΟΜΟΙΟΜΟΡΦΗ ΑΙΩΡΗΣΗ. ΕΠΙΣΗΣ ΠΡΟΣΔΙΟΡΙΣΤΗΚΑΝ ΤΑ ΚΥΡΙΑ ΚΛΑΣΜΑΤΑ ΤΟΥ ΙΖΗΜΑΤΟΣ ΚΑΙ ΤΑ ΣΤΟΙΧΕΙΑ ΤΑ ΟΠΟΙΑ ΕΙΝΑΙ ΣΥΝΔΕΔΕΜΕΝΑ ΜΕ ΑΥΤΑ. ΤΑ ΚΥΡΙΑ ΚΛΑΣΜΑΤΑ ΕΙΝΑΙ 1) ΤΟ ΑΝΘΡΑΚΙΚΟ ΚΛΑΣΜΑ 2) ΤΟ ΑΡΓΙΛΙΚΟ ΚΛΑΣΜΑ 3) ΤΑ ΟΞΕΙΔΙΑ FE ΚΑΙ MN ΚΑΙ 4) ΤΟ ΟΡΓΑΝΙΚΟ ΥΛΙΚΟ. ΠΡΟΣΔΙΟΡΙΣΤΗΚΕ ΕΠΙΣΗΣ Ο ΒΑΘΜΟΣΕΠΙΒΑΡΥΝΣΗΣ ΤΩΝ ΙΖΗΜΑΤΩΝ ΜΕ ΒΑΣΗ ΤΟΥΣ ΕΞΗΣ ΔΕΙΚΤΕΣ ΡΥΠΑΝΣΗΣ: 1) \"ΔΕΙΚΤΗΣ ΓΕΩΣΥΣΣΩΡΕΥΣΗΣ\" (IGEO) ΚΑΙ 2) P.L.I. (POLLUTION LOAD INDEX). ΒΡΕΘΗΚΕ ΟΤΙ ΜΟΝΟ ΤΑ ΙΖΗΜΑΤΑ ΤΟΥ ΟΡΜΟΥ ΒΑΘΥ ΤΗΣ ΙΘΑΚΗΣ ΕΙΝΑΙ ΕΛΑΦΡΑ ΕΠΙΒΑΡΥΜΕΝΑ ΜΕ ΜΕΤΑΛΛΑ."]},{"key":"dc:title","label":"Title","values":["ΓΕΩΧΗΜΕΙΑ ΠΑΡΑΚΤΙΩΝ ΙΖΗΜΑΤΩΝ (ΠΕΡΙΟΧΕΣ ΙΘΑΚΗΣ-ΚΕΦΑΛΛΗΝΙΑΣ-ΑΣΤΑΚΟΥ)","GEOCHEMISTRY OF NEAR SHORE SEDIMENTS (AREAS FROM ITHAKI, KEPHALLONIAS, ASTAKOU)"]}]}],"canonical_facts":{"dc:creator":["Αλεξανδροπούλου, Σταυρούλα"],"dc:date":["1991"],"dc:description":["SURFACE SEDIMENTS FROM THREE SEMIENCLOSED EMBAYMENTS (ITHAKI, ARGOSTOLI AND ASTAKOS) WAS STUDIED FROM GEOCHEMISTRY, SEDIMENTOLOGY AND MINERALOGY VIEW. THE FOLLOWING CONCLUSIONS 1) THE MINERALS CONSIST MAINLY OF CALCITE; QUART, FELDSPAR, ILLITE AND CHLORITE 2) THREE DISTINCT TRANSPORT MECHANISMS SEEM TO BE REFLECTEDIN THE FACTOR GROUPINGS A) COARSE FRACTION TRANSPORTED BY SURFACE CREEP AND/ORROLLING B) THE VERY FINE SAND AND THE COARSE SILT BY ROLLING AND SUSPENSION AND C) THE FINE SILT AND CLAY BY SUSPENSION. THE GEOCHEMICAL STUDY SHOWED THE SOURCE OF TRACE METALS AND THEIR ASSOCIATION WITH THE MAJOR CHEMICAL PHASES SUCH AS CLAYS DETRITAL MINERALS, ORGANIC MATTER AND FE-MN OXIDES AND HYDROXIDES. FOR THE CLASSIFICATION OF HEAVY METAL LEVELS IN SURFACE SEDIMENTS WE USED TWO INDEXPOLLUTION A) \"INDEX OF GEOACCUMULATION\" AND B) POLLUTION LOAD INDEX (P.L.I.).","ΕΠΙΦΑΝΕΙΑΚΑ ΙΖΗΜΑΤΑ ΣΥΛΛΕΧΘΗΚΑΝ ΑΠΟ ΤΟΥΣ ΚΟΛΠΟΥΣ ΑΕΤΟΥ, ΙΘΑΚΗΣ, ΑΡΓΟΣΤΟΛΙΟΥ ΚΑΙΑΣΤΑΚΟΥ ΚΑΙ ΜΕΛΕΤΗΘΗΚΑΝ ΑΠΟ ΓΕΩΧΗΜΙΚΗΣ, ΙΖΗΜΑΤΟΛΟΓΙΚΗΣ ΚΑΙ ΟΡΥΚΤΟΛΟΓΙΚΗΣ ΑΠΟΨΗΣ. ΕΤΣΙ, ΠΡΟΣΔΙΟΡΙΣΤΗΚΑΝ ΤΑ ΟΡΥΚΤΑ ΠΟΥ ΕΠΙΚΡΑΤΟΥΝ ΣΤΑ ΙΖΗΜΑΤΑ ΚΑΙ ΕΙΝΑΙ 1) ΤΑ ΑΝΘΡΑΚΙΚΑ 2) ΤΑ ΑΡΓΙΛΙΚΑ Γ) Ο ΑΠΑΤΙΤΗΣ Δ) ΟΙ ΑΣΤΡΙΟΙ Ε) Ο ΧΑΛΑΖΙΑΣ. ΤΑ ΙΖΗΜΑΤΑ ΚΑΙ ΣΤΟΥΣ ΤΡΕΙΣ ΚΟΛΠΟΥΣ ΜΕΤΑΦΕΡΘΗΚΑΝ ΩΣ ΕΞΗΣ: 1) ΤΟ ΧΟΝΔΡΟΚΟΚΚΟ ΚΛΑΣΜΑ ΜΕΤΑΦΕΡΘΗΚΕ ΜΕ ΕΠΙΦΑΝΕΙΑΚΟ ΕΡΠΗΣΜΟ 'Η ΚΥΛΛΗΣΗ 2) ΤΑ ΜΕΣΑΙΟΥ ΜΕΓΕΘΟΥΣ ΥΛΙΚΑ ΜΕ ΚΥΛΛΗΣΗ ΚΑΙ ΑΙΩΡΗΣΗ ΚΑΙ 3) ΤΟ ΛΕΠΤΟΚΟΚΚΟ ΚΛΑΣΜΑ ΜΕ ΟΜΟΙΟΜΟΡΦΗ ΑΙΩΡΗΣΗ. ΕΠΙΣΗΣ ΠΡΟΣΔΙΟΡΙΣΤΗΚΑΝ ΤΑ ΚΥΡΙΑ ΚΛΑΣΜΑΤΑ ΤΟΥ ΙΖΗΜΑΤΟΣ ΚΑΙ ΤΑ ΣΤΟΙΧΕΙΑ ΤΑ ΟΠΟΙΑ ΕΙΝΑΙ ΣΥΝΔΕΔΕΜΕΝΑ ΜΕ ΑΥΤΑ. ΤΑ ΚΥΡΙΑ ΚΛΑΣΜΑΤΑ ΕΙΝΑΙ 1) ΤΟ ΑΝΘΡΑΚΙΚΟ ΚΛΑΣΜΑ 2) ΤΟ ΑΡΓΙΛΙΚΟ ΚΛΑΣΜΑ 3) ΤΑ ΟΞΕΙΔΙΑ FE ΚΑΙ MN ΚΑΙ 4) ΤΟ ΟΡΓΑΝΙΚΟ ΥΛΙΚΟ. ΠΡΟΣΔΙΟΡΙΣΤΗΚΕ ΕΠΙΣΗΣ Ο ΒΑΘΜΟΣΕΠΙΒΑΡΥΝΣΗΣ ΤΩΝ ΙΖΗΜΑΤΩΝ ΜΕ ΒΑΣΗ ΤΟΥΣ ΕΞΗΣ ΔΕΙΚΤΕΣ ΡΥΠΑΝΣΗΣ: 1) \"ΔΕΙΚΤΗΣ ΓΕΩΣΥΣΣΩΡΕΥΣΗΣ\" (IGEO) ΚΑΙ 2) P.L.I. (POLLUTION LOAD INDEX). ΒΡΕΘΗΚΕ ΟΤΙ ΜΟΝΟ ΤΑ ΙΖΗΜΑΤΑ ΤΟΥ ΟΡΜΟΥ ΒΑΘΥ ΤΗΣ ΙΘΑΚΗΣ ΕΙΝΑΙ ΕΛΑΦΡΑ ΕΠΙΒΑΡΥΜΕΝΑ ΜΕ ΜΕΤΑΛΛΑ."],"dc:identifier":["10.12681/eadd/1737","http://hdl.handle.net/10442/hedi/1737"],"dc:language":["gre"],"dc:publisher":["Πανεπιστήμιο Πατρών","University of Patras"],"dc:subject":["ESTUARIES","Factor analysis","Geochemistry","GULF OF ITHAKI,ARGOSTOLI,ASTAKOS","Metalls","POLLUTION INDEX","SEDIMENTOLOGY","Surface sediments","Trace elements","TRANSPORT OF SEDIMENTS AND METALS","Γεωχημεία","Δείκτες ρύπανσης","Επιφανειακά ιζήματα","ΙΖΗΜΑΤΟΛΟΓΙΑ","Ιχνοστοιχεία","ΚΟΛΠΟΣ ΑΕΤΟΥ,ΙΘΑΚΗΣ,ΑΡΓΟΣΤΟΛΙΟΥ,ΑΣΤΑΚΟΥ","Μέταλλα","ΜΕΤΑΦΟΡΑ ΙΖΗΜΑΤΩΝ","Παραγοντική ανάλυση","Παράκτια περιβάλλοντα","Φυσικές Επιστήμες","Natural Sciences","Γεωεπιστήμες και Επιστήμες Περιβάλλοντος","Earth and Related Environmental Sciences"],"dc:title":["ΓΕΩΧΗΜΕΙΑ ΠΑΡΑΚΤΙΩΝ ΙΖΗΜΑΤΩΝ (ΠΕΡΙΟΧΕΣ ΙΘΑΚΗΣ-ΚΕΦΑΛΛΗΝΙΑΣ-ΑΣΤΑΚΟΥ)","GEOCHEMISTRY OF NEAR SHORE SEDIMENTS (AREAS FROM ITHAKI, KEPHALLONIAS, ASTAKOU)"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:05Z"}