{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1581"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1581","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΧΗΜΙΚΗ ΜΕΛΕΤΗ ΤΗΣ ΔΙΑΚΙΝΗΣΗΣ ΤΩΝ AL-FE-MN-CU-PB-ZN ΣΤΙΣ ΕΚΒΟΛΕΣ ΤΟΥ ΑΧΕΛΩΟΥ","abstract":"THIS STUDY CONCERNS THE CHEMICAL BEHAVIOUR AND TRANSPORTATION OF SOME TRACE METALS (AL,CU,FE,MN,ZN,PB) AMONG THE DISSOLVED, SUSPENDED AND SEDIMENT PHASE, IN AN ESTUARINE ENVIRONMENT. THE AREA STUDIED IS AN INTERESTING MEDITERRANEAN ESTUARY. A NETWORK OF SEVERAL SAMPLING STATIONS WAS DESIGNED FOR THE PURPOSES OF THIS STUDY. SAMPLES FROM THE DISSOLVED AND PARTICULATE PHASE WERE COLLECTED WITH NANSEN-10C BOTTLES. SEDIMENT SAMPLES WERE COLLECTED WITH A MACKERETH CORER. THE DISSOLVED METAL WAS PRECONCENTRATED WITH CHELEX-100 RESIN AND MEASURED WITH GFAAS. THE TRACE METAL CONTENT OF THE PARTICULATE MATTER AND THE SEDIMENTS WAS EXTRACTED EITHER BY USING COLD-DILUTED HCL OR BY USING HOT-CONC. HNO3, AND THEN MEASURED WITH AAS. IN ADDITION TO THE ABOVE, A SERIES OF PHYSICAL PARAMETERS WERE MEASURED IN SITU (PH, D.O., S%, T C). THE RESULTS WERE WORKED OUT BY USING APERSONAL COMPUTER IN ORDER TO FIND CORRELATIONS AMONG THE VARIOUS PARAMETERS' MEASURED AND DEFINE THE MECHANISMS PREVAILING IN THE ABOVE DISCUSSED SYSTEM. THE CONCLUSION OBTAINED IS THAT IN THE INTERMIXING ZONE OF FRESH AND SALINE WATERS A SERIES OF INTERESTING CHEMICAL PHENOMENA TAKE PLACE. ALL METALS EXAMINED, WITH THE EXCEPTION OF FE AND AL, PARTICIPATE IN THESE PHENOMENA SHOWING VARIOUS TRENDS WHICH IN SOME CASES ARE SEASONAL. THE MOST IMPORTANT OF THESE IS THE TRANSPORT OF PB AND ZN FROM THE DISSOLVED TO THE PARTICULATE PHASE, THE INCREASE OF DISSOLVED METALS IN SALINE OFFSHORE WATERS, THE INCREASE OF THE CONCENTRATIONOF MN AND ZN IN THE SEDIMENTS NEAR THE MOUTH AND THE ANALOGOUS DISTRIBUTIONS OF AL, FE, CU, PB, ZN CONCENTRATIONS IN THE SURFACE SEDIMENTS LEADING TO DISCRETE ZONES. THE POLLUTION LEVELS OF THE AREA IN TRACE METALS WERE ALSO EXAMINED. THE AREA IS NOT HEAVILY AFFECTED BY ANTHROPOGENIC INPUT BUT SOME TREND OF INCREASING CONCENTRATION LEVELS WERE OBSERVED. THIS FACT IMPLIES THE NEED FOR A CONTINIOUS CHEMICAL MONITORING.","abstract_html":"THIS STUDY CONCERNS THE CHEMICAL BEHAVIOUR AND TRANSPORTATION OF SOME TRACE METALS (AL,CU,FE,MN,ZN,PB) AMONG THE DISSOLVED, SUSPENDED AND SEDIMENT PHASE, IN AN ESTUARINE ENVIRONMENT. THE AREA STUDIED IS AN INTERESTING MEDITERRANEAN ESTUARY. A NETWORK OF SEVERAL SAMPLING STATIONS WAS DESIGNED FOR THE PURPOSES OF THIS STUDY. SAMPLES FROM THE DISSOLVED AND PARTICULATE PHASE WERE COLLECTED WITH NANSEN-10C BOTTLES. SEDIMENT SAMPLES WERE COLLECTED WITH A MACKERETH CORER. THE DISSOLVED METAL WAS PRECONCENTRATED WITH CHELEX-100 RESIN AND MEASURED WITH GFAAS. THE TRACE METAL CONTENT OF THE PARTICULATE MATTER AND THE SEDIMENTS WAS EXTRACTED EITHER BY USING COLD-DILUTED HCL OR BY USING HOT-CONC. HNO3, AND THEN MEASURED WITH AAS. IN ADDITION TO THE ABOVE, A SERIES OF PHYSICAL PARAMETERS WERE MEASURED IN SITU (PH, D.O., S%, T C). THE RESULTS WERE WORKED OUT BY USING APERSONAL COMPUTER IN ORDER TO FIND CORRELATIONS AMONG THE VARIOUS PARAMETERS' MEASURED AND DEFINE THE MECHANISMS PREVAILING IN THE ABOVE DISCUSSED SYSTEM. THE CONCLUSION OBTAINED IS THAT IN THE INTERMIXING ZONE OF FRESH AND SALINE WATERS A SERIES OF INTERESTING CHEMICAL PHENOMENA TAKE PLACE. ALL METALS EXAMINED, WITH THE EXCEPTION OF FE AND AL, PARTICIPATE IN THESE PHENOMENA SHOWING VARIOUS TRENDS WHICH IN SOME CASES ARE SEASONAL. THE MOST IMPORTANT OF THESE IS THE TRANSPORT OF PB AND ZN FROM THE DISSOLVED TO THE PARTICULATE PHASE, THE INCREASE OF DISSOLVED METALS IN SALINE OFFSHORE WATERS, THE INCREASE OF THE CONCENTRATIONOF MN AND ZN IN THE SEDIMENTS NEAR THE MOUTH AND THE ANALOGOUS DISTRIBUTIONS OF AL, FE, CU, PB, ZN CONCENTRATIONS IN THE SURFACE SEDIMENTS LEADING TO DISCRETE ZONES. THE POLLUTION LEVELS OF THE AREA IN TRACE METALS WERE ALSO EXAMINED. THE AREA IS NOT HEAVILY AFFECTED BY ANTHROPOGENIC INPUT BUT SOME TREND OF INCREASING CONCENTRATION LEVELS WERE OBSERVED. THIS FACT IMPLIES THE NEED FOR A CONTINIOUS CHEMICAL MONITORING.","abstract_has_math":false,"creators":["Δασενάκης, Μάνος","Dassenakis, Emmanouil"],"institution":"National and Kapodistrian University of Athens","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-24T02:24:59Z","subjects":["ΑΝΑΛΥΣΗ ΙΖΗΜΑΤΩΝ","Ανάλυση νερών","Ατομική απορρόφηση","Αχελώος","ΕΚΒΟΛΕΣ ΠΟΤΑΜΩΝ","Ιζήματα θαλάσσια","Ιχνοστοιχεία","ΜΕΤΑΦΟΡΑ ΙΧΝΟΣΤΟΙΧΕΙΩΝ","ΠΡΟΣΥΓΚΕΝΤΡΩΣΗ ΜΕ CHELEX-100","Acheloos river","Atomic absorption","CHELEX-100 (PRECONCENTRATION)","CONCENTRATIVE (NON) - BEHAVIOUR","ESTUARIES","METAL EXTRACTION FROM SEDIMENTS","Particulate matters","Sediments","Trace elements","Water analysis","Φυσικές Επιστήμες","Χημεία","Natural Sciences","Chemical Sciences"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1581"],"render_values":[{"text":"10.12681/eadd/1581","href":"https://doi.org/10.12681/eadd/1581","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1581","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Δασενάκης, Μάνος","Dassenakis, Emmanouil"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1989"]},{"key":"dc:publisher","label":"Institution","values":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ΑΝΑΛΥΣΗ ΙΖΗΜΑΤΩΝ","Ανάλυση νερών","Ατομική απορρόφηση","Αχελώος","ΕΚΒΟΛΕΣ ΠΟΤΑΜΩΝ","Ιζήματα θαλάσσια","Ιχνοστοιχεία","ΜΕΤΑΦΟΡΑ ΙΧΝΟΣΤΟΙΧΕΙΩΝ","ΠΡΟΣΥΓΚΕΝΤΡΩΣΗ ΜΕ CHELEX-100","Acheloos river","Atomic absorption","CHELEX-100 (PRECONCENTRATION)","CONCENTRATIVE (NON) - BEHAVIOUR","ESTUARIES","METAL EXTRACTION FROM SEDIMENTS","Particulate matters","Sediments","Trace elements","Water analysis","Φυσικές Επιστήμες","Χημεία","Natural Sciences","Chemical 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/1581","http://hdl.handle.net/10442/hedi/1581"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THIS STUDY CONCERNS THE CHEMICAL BEHAVIOUR AND TRANSPORTATION OF SOME TRACE METALS (AL,CU,FE,MN,ZN,PB) AMONG THE DISSOLVED, SUSPENDED AND SEDIMENT PHASE, IN AN ESTUARINE ENVIRONMENT. THE AREA STUDIED IS AN INTERESTING MEDITERRANEAN ESTUARY. A NETWORK OF SEVERAL SAMPLING STATIONS WAS DESIGNED FOR THE PURPOSES OF THIS STUDY. SAMPLES FROM THE DISSOLVED AND PARTICULATE PHASE WERE COLLECTED WITH NANSEN-10C BOTTLES. SEDIMENT SAMPLES WERE COLLECTED WITH A MACKERETH CORER. THE DISSOLVED METAL WAS PRECONCENTRATED WITH CHELEX-100 RESIN AND MEASURED WITH GFAAS. THE TRACE METAL CONTENT OF THE PARTICULATE MATTER AND THE SEDIMENTS WAS EXTRACTED EITHER BY USING COLD-DILUTED HCL OR BY USING HOT-CONC. HNO3, AND THEN MEASURED WITH AAS. IN ADDITION TO THE ABOVE, A SERIES OF PHYSICAL PARAMETERS WERE MEASURED IN SITU (PH, D.O., S%, T C). THE RESULTS WERE WORKED OUT BY USING APERSONAL COMPUTER IN ORDER TO FIND CORRELATIONS AMONG THE VARIOUS PARAMETERS' MEASURED AND DEFINE THE MECHANISMS PREVAILING IN THE ABOVE DISCUSSED SYSTEM. THE CONCLUSION OBTAINED IS THAT IN THE INTERMIXING ZONE OF FRESH AND SALINE WATERS A SERIES OF INTERESTING CHEMICAL PHENOMENA TAKE PLACE. ALL METALS EXAMINED, WITH THE EXCEPTION OF FE AND AL, PARTICIPATE IN THESE PHENOMENA SHOWING VARIOUS TRENDS WHICH IN SOME CASES ARE SEASONAL. THE MOST IMPORTANT OF THESE IS THE TRANSPORT OF PB AND ZN FROM THE DISSOLVED TO THE PARTICULATE PHASE, THE INCREASE OF DISSOLVED METALS IN SALINE OFFSHORE WATERS, THE INCREASE OF THE CONCENTRATIONOF MN AND ZN IN THE SEDIMENTS NEAR THE MOUTH AND THE ANALOGOUS DISTRIBUTIONS OF AL, FE, CU, PB, ZN CONCENTRATIONS IN THE SURFACE SEDIMENTS LEADING TO DISCRETE ZONES. THE POLLUTION LEVELS OF THE AREA IN TRACE METALS WERE ALSO EXAMINED. THE AREA IS NOT HEAVILY AFFECTED BY ANTHROPOGENIC INPUT BUT SOME TREND OF INCREASING CONCENTRATION LEVELS WERE OBSERVED. THIS FACT IMPLIES THE NEED FOR A CONTINIOUS CHEMICAL MONITORING.","ΣΤΗΝ ΕΡΓΑΣΙΑ ΑΥΤΗ ΕΞΕΤΑΖΕΤΑΙ Η ΧΗΜΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΜΕΡΙΚΩΝ ΙΧΝΟΣΤΟΙΧΕΙΩΝ (AL,FE,MN,CU,PB,ZN) ΣΕ ΕΝΑ ΠΑΡΑΚΤΙΟ ΥΔΑΤΙΝΟ ΣΥΣΤΗΜΑ ΕΚΒΟΛΩΝ ΠΟΤΑΜΟΥ. ΜΕΛΕΤΑΤΑΙ, ΑΚΟΜΗ,Η ΔΙΑΚΙΝΗΣΗ ΤΟΥΣ ΜΕΤΑΞΥ ΤΗΣ ΔΙΑΛΥΤΗΣ ΦΑΣΗΣ, ΤΩΝ ΑΙΩΡΟΥΜΕΝΩΝ ΣΤΟ ΝΕΡΟ ΣΩΜΑΤΙΔΙΩΝ ΚΑΙ ΤΩΝ ΙΖΗΜΑΤΩΝ ΤΟΥ ΒΥΘΟΥ. ΓΙΑ ΤΗΝ ΜΕΛΕΤΗ ΕΠΙΛΕΧΘΗΚΕ ΕΝΑ ΑΠΟ ΤΑ ΠΙΟ ΕΝΔΙΑΦΕΡΟΝΤΑ ΤΕΤΟΙΑ ΣΥΣΤΗΜΑΤΑ ΣΤΗΝ ΕΛΛΑΔΑ, ΟΠΩΣ ΕΙΝΑΙ ΟΙ ΕΚΒΟΛΕΣ ΤΟΥ ΑΧΕΛΩΟΥ. ΓΙΑ ΤΗΝ ΕΚΤΕΛΕΣΗ ΤΗΣ ΜΕΛΕΤΗΣ ΣΧΕΔΙΑΣΤΗΚΕ ΕΝΑ ΔΙΚΤΥΟ ΣΤΑΘΜΩΝ ΔΕΙΓΜΑΤΟΛΗΨΙΑΣ, ΜΕ ΒΑΣΗ ΤΟ ΟΠΟΙΟ ΕΚΤΕΛΕΣΘΗΚΑΝ ΕΠΟΧΙΑΚΕΣ ΔΕΙΓΜΑΤΟΛΗΨΙΕΣ ΝΕΡΟΥ ΚΑΙ ΙΖΗΜΑΤΩΝ, ΜΕ ΧΡΗΣΗ ΕΙΔΙΚΩΝΣΥΣΚΕΥΩΝ. ΤΑ ΔΙΑΛΥΜΕΝΑ ΙΧΝΟΣΤΟΙΧΕΙΑ ΔΙΑΧΩΡΙΣΤΗΚΑΝ ΑΠΟ ΤΑ ΑΙΩΡΟΥΜΕΝΑ ΜΕ ΔΙΗΘΗΣΗΑΠΟ ΗΘΜΟΥΣ MILLIPORE O.45 MM. ΚΑΤΟΠΙΝ ΜΕΤΡΗΘΗΚΑΝ ΜΕ ΦΑΣΜΑΤΟΦΩΤΟΜΕΤΡΙΑ ΑΤΟΜΙΚΗΣΑΠΟΡΡΟΦΗΣΗΣ, ΜΕΤΑ ΑΠΟ ΠΡΟΣΥΓΚΕΝΤΡΩΣΗ ΣΕ ΡΗΤΙΝΕΣ CHELEX-100. ΟΙ ΗΘΜΟΙ ΜΕ ΤΑ ΑΙΩΡΟΥΜΕΝΑ ΣΩΜΑΤΙΔΙΑ ΚΑΙ ΤΑ ΙΖΗΜΑΤΑ ΚΑΤΕΡΓΑΣΤΗΚΑΝ ΜΕ ΠΥΚΝΟ ΝΙΤΡΙΚΟ ΚΑΙ ΑΡΑΙΟ ΥΔΡΟΧΛΩΡΙΚΟ ΟΞΥ, ΩΣΤΕ ΝΑ ΣΥΓΚΡΙΘΟΥΝ ΔΥΟ ΤΡΟΠΟΙ ΠΑΡΑΛΑΒΗΣ ΔΙΑΦΟΡΕΤΙΚΩΝ ΜΟΡΦΩΝ ΚΑΙ ΠΟΣΟΤΗΤΩΝ ΜΕΤΑΛΛΩΝ. Η ΤΕΛΙΚΗ ΜΕΤΡΗΣΗ ΚΑΙ ΕΔΩ ΕΓΙΝΕ ΜΕ ΦΑΣΜΑΤΟΦΩΤΟΜΕΤΡΙΑ ΑΤΟΜΙΚΗΣ ΑΠΟΡΡΟΦΗΣΗΣ. ΠΑΡΑΛΛΗΛΑ ΜΕΤΡΗΘΗΚΑΝ ΕΠΙ ΤΟΠΟΥ ΚΑΙ ΜΙΑ ΣΕΙΡΑ ΑΠΟ ΦΥΣΙΚΕΣ ΠΑΡΑΜΕΤΡΟΥΣ ΟΠΩΣ ΔΙΑΛΥΤΟ ΟΞΥΓΟΝΟ, ΘΕΡΜΟΚΡΑΣΙΑ, ΑΛΑΤΟΤΗΤΑ ΚΑΙ ΡΗ. ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΤΩΝ ΜΕΤΡΗΣΕΩΝ ΕΠΕΞΕΡΓΑΣΤΗΚΑΝ ΣΕ ΗΛΕΚΤΡΟΝΙΚΟ ΥΠΟΛΟΓΙΣΤΗ, ΜΕ ΧΡΗΣΗ ΕΙΔΙΚΑ ΚΑΤΑΣΤΡΩΘΕΝΤΟΣ ΠΡΟΓΡΑΜΜΑΤΟΣ. Η ΕΠΕΞΕΡΓΑΣΙΑ ΑΥΤΗ ΕΔΕΙΞΕ ΜΙΑ ΣΕΙΡΑ ΑΠΟ ΣΗΜΑΝΤΙΚΕΣ ΧΗΜΙΚΕΣ ΔΙΕΡΓΑΣΙΕΣ, ΠΟΥ ΛΑΜΒΑΝΟΥΝ ΧΩΡΑΝ ΣΤΗ ΔΙΑΡΚΕΙΑ ΤΗΣ ΑΝΑΜΙΞΗΣ ΓΛΥΚΩΝ-ΑΛΜΥΡΩΝ ΝΕΡΩΝ. OΙ ΚΥΡΙΩΤΕΡΕΣ ΑΠΟ ΑΥΤΕΣ ΕΙΝΑΙ, Η ΜΕΤΑΦΟΡΑ ΡΒ ΚΑΙ ΖΝ ΑΠΟ ΤΗ ΔΙΑΛΥΤΗ ΣΤΗ ΣΩΜΑΤΙΔΙΑΚΗ ΦΑΣΗ, Η ΑΥΞΗΣΗ ΤΩΝ ΣΥΓΚΕΝΤΡΩΣΕΩΝ ΤΩΝ ΔΙΑΛΥΤΩΝ ΜΕΤΑΛΛΩΝ ΣΤΟ ΘΑΛΑΣΣΙΝΟ ΝΕΡΟ, Η ΑΥΞΗΣΗ ΤΩΝ ΣΥΓΚΕΝΤΡΩΣΕΩΝ ΤΟΥ ΜΝ ΚΑΙ ΤΟΥ ΖΝ ΣΤΑ ΙΖΗΜΑΤΑ ΚΟΝΤΑ ΣΤΟ ΣΤΟΜΙΟ ΤΟΥ ΠΟΤΑΜΟΥ, ΚΑΘΩΣ ΚΑΙ ΟΙ ΑΝΑΛΟΓΕΣ ΚΑΤΑΝΟΜΕΣ ΤΩΝ AL,FE,CU,PB,ZN ΣΤΑ ΕΠΙΦΑΝΕΙΑΚΑ ΙΖΗΜΑΤΑ ΤΗΣ ΠΕΡΙΟΧΗΣ . ΜΕΛΕΤΗΘΗΚΕ ΕΠΙΣΗΣ ΚΑΙ Η ΡΥΠΑΝΣΗ ΤΗΣ ΠΕΡΙΟΧΗΣ ΑΠΟ ΤΑ ΕΞΕΤΑΣΘΕΝΤΑ ΙΧΝΟΣΤΟΙΧΕΙΑ, Η ΔΕΝ ΒΡΕΘΗΚΕ ΝΑ ΕΙΝΑΙ ΣΗΜΑΝΤΙΚΗ, ΑΝ ΚΑΙ ΑΝΙΧΝΕΥΤΗΚΑΝ ΤΑΣΕΙΣ ΑΥΞΗΣΗΣ ΤΩΝ ΣΥΓΚΕΝΤΡΩΣΕΩΝ ΤΟΥΣ."]},{"key":"dc:title","label":"Title","values":["ΧΗΜΙΚΗ ΜΕΛΕΤΗ ΤΗΣ ΔΙΑΚΙΝΗΣΗΣ ΤΩΝ AL-FE-MN-CU-PB-ZN ΣΤΙΣ ΕΚΒΟΛΕΣ ΤΟΥ ΑΧΕΛΩΟΥ","CHEMICAL STUDY OF BEHAVIOUR AND TRANSPORTATION OF AL-FE-MN-CU-PB-ZN IN THE ESTUARY OF ACHELOOS"]}]}],"canonical_facts":{"dc:creator":["Δασενάκης, Μάνος","Dassenakis, Emmanouil"],"dc:date":["1989"],"dc:description":["THIS STUDY CONCERNS THE CHEMICAL BEHAVIOUR AND TRANSPORTATION OF SOME TRACE METALS (AL,CU,FE,MN,ZN,PB) AMONG THE DISSOLVED, SUSPENDED AND SEDIMENT PHASE, IN AN ESTUARINE ENVIRONMENT. THE AREA STUDIED IS AN INTERESTING MEDITERRANEAN ESTUARY. A NETWORK OF SEVERAL SAMPLING STATIONS WAS DESIGNED FOR THE PURPOSES OF THIS STUDY. SAMPLES FROM THE DISSOLVED AND PARTICULATE PHASE WERE COLLECTED WITH NANSEN-10C BOTTLES. SEDIMENT SAMPLES WERE COLLECTED WITH A MACKERETH CORER. THE DISSOLVED METAL WAS PRECONCENTRATED WITH CHELEX-100 RESIN AND MEASURED WITH GFAAS. THE TRACE METAL CONTENT OF THE PARTICULATE MATTER AND THE SEDIMENTS WAS EXTRACTED EITHER BY USING COLD-DILUTED HCL OR BY USING HOT-CONC. HNO3, AND THEN MEASURED WITH AAS. IN ADDITION TO THE ABOVE, A SERIES OF PHYSICAL PARAMETERS WERE MEASURED IN SITU (PH, D.O., S%, T C). THE RESULTS WERE WORKED OUT BY USING APERSONAL COMPUTER IN ORDER TO FIND CORRELATIONS AMONG THE VARIOUS PARAMETERS' MEASURED AND DEFINE THE MECHANISMS PREVAILING IN THE ABOVE DISCUSSED SYSTEM. THE CONCLUSION OBTAINED IS THAT IN THE INTERMIXING ZONE OF FRESH AND SALINE WATERS A SERIES OF INTERESTING CHEMICAL PHENOMENA TAKE PLACE. ALL METALS EXAMINED, WITH THE EXCEPTION OF FE AND AL, PARTICIPATE IN THESE PHENOMENA SHOWING VARIOUS TRENDS WHICH IN SOME CASES ARE SEASONAL. THE MOST IMPORTANT OF THESE IS THE TRANSPORT OF PB AND ZN FROM THE DISSOLVED TO THE PARTICULATE PHASE, THE INCREASE OF DISSOLVED METALS IN SALINE OFFSHORE WATERS, THE INCREASE OF THE CONCENTRATIONOF MN AND ZN IN THE SEDIMENTS NEAR THE MOUTH AND THE ANALOGOUS DISTRIBUTIONS OF AL, FE, CU, PB, ZN CONCENTRATIONS IN THE SURFACE SEDIMENTS LEADING TO DISCRETE ZONES. THE POLLUTION LEVELS OF THE AREA IN TRACE METALS WERE ALSO EXAMINED. THE AREA IS NOT HEAVILY AFFECTED BY ANTHROPOGENIC INPUT BUT SOME TREND OF INCREASING CONCENTRATION LEVELS WERE OBSERVED. THIS FACT IMPLIES THE NEED FOR A CONTINIOUS CHEMICAL MONITORING.","ΣΤΗΝ ΕΡΓΑΣΙΑ ΑΥΤΗ ΕΞΕΤΑΖΕΤΑΙ Η ΧΗΜΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΜΕΡΙΚΩΝ ΙΧΝΟΣΤΟΙΧΕΙΩΝ (AL,FE,MN,CU,PB,ZN) ΣΕ ΕΝΑ ΠΑΡΑΚΤΙΟ ΥΔΑΤΙΝΟ ΣΥΣΤΗΜΑ ΕΚΒΟΛΩΝ ΠΟΤΑΜΟΥ. ΜΕΛΕΤΑΤΑΙ, ΑΚΟΜΗ,Η ΔΙΑΚΙΝΗΣΗ ΤΟΥΣ ΜΕΤΑΞΥ ΤΗΣ ΔΙΑΛΥΤΗΣ ΦΑΣΗΣ, ΤΩΝ ΑΙΩΡΟΥΜΕΝΩΝ ΣΤΟ ΝΕΡΟ ΣΩΜΑΤΙΔΙΩΝ ΚΑΙ ΤΩΝ ΙΖΗΜΑΤΩΝ ΤΟΥ ΒΥΘΟΥ. ΓΙΑ ΤΗΝ ΜΕΛΕΤΗ ΕΠΙΛΕΧΘΗΚΕ ΕΝΑ ΑΠΟ ΤΑ ΠΙΟ ΕΝΔΙΑΦΕΡΟΝΤΑ ΤΕΤΟΙΑ ΣΥΣΤΗΜΑΤΑ ΣΤΗΝ ΕΛΛΑΔΑ, ΟΠΩΣ ΕΙΝΑΙ ΟΙ ΕΚΒΟΛΕΣ ΤΟΥ ΑΧΕΛΩΟΥ. ΓΙΑ ΤΗΝ ΕΚΤΕΛΕΣΗ ΤΗΣ ΜΕΛΕΤΗΣ ΣΧΕΔΙΑΣΤΗΚΕ ΕΝΑ ΔΙΚΤΥΟ ΣΤΑΘΜΩΝ ΔΕΙΓΜΑΤΟΛΗΨΙΑΣ, ΜΕ ΒΑΣΗ ΤΟ ΟΠΟΙΟ ΕΚΤΕΛΕΣΘΗΚΑΝ ΕΠΟΧΙΑΚΕΣ ΔΕΙΓΜΑΤΟΛΗΨΙΕΣ ΝΕΡΟΥ ΚΑΙ ΙΖΗΜΑΤΩΝ, ΜΕ ΧΡΗΣΗ ΕΙΔΙΚΩΝΣΥΣΚΕΥΩΝ. ΤΑ ΔΙΑΛΥΜΕΝΑ ΙΧΝΟΣΤΟΙΧΕΙΑ ΔΙΑΧΩΡΙΣΤΗΚΑΝ ΑΠΟ ΤΑ ΑΙΩΡΟΥΜΕΝΑ ΜΕ ΔΙΗΘΗΣΗΑΠΟ ΗΘΜΟΥΣ MILLIPORE O.45 MM. ΚΑΤΟΠΙΝ ΜΕΤΡΗΘΗΚΑΝ ΜΕ ΦΑΣΜΑΤΟΦΩΤΟΜΕΤΡΙΑ ΑΤΟΜΙΚΗΣΑΠΟΡΡΟΦΗΣΗΣ, ΜΕΤΑ ΑΠΟ ΠΡΟΣΥΓΚΕΝΤΡΩΣΗ ΣΕ ΡΗΤΙΝΕΣ CHELEX-100. ΟΙ ΗΘΜΟΙ ΜΕ ΤΑ ΑΙΩΡΟΥΜΕΝΑ ΣΩΜΑΤΙΔΙΑ ΚΑΙ ΤΑ ΙΖΗΜΑΤΑ ΚΑΤΕΡΓΑΣΤΗΚΑΝ ΜΕ ΠΥΚΝΟ ΝΙΤΡΙΚΟ ΚΑΙ ΑΡΑΙΟ ΥΔΡΟΧΛΩΡΙΚΟ ΟΞΥ, ΩΣΤΕ ΝΑ ΣΥΓΚΡΙΘΟΥΝ ΔΥΟ ΤΡΟΠΟΙ ΠΑΡΑΛΑΒΗΣ ΔΙΑΦΟΡΕΤΙΚΩΝ ΜΟΡΦΩΝ ΚΑΙ ΠΟΣΟΤΗΤΩΝ ΜΕΤΑΛΛΩΝ. Η ΤΕΛΙΚΗ ΜΕΤΡΗΣΗ ΚΑΙ ΕΔΩ ΕΓΙΝΕ ΜΕ ΦΑΣΜΑΤΟΦΩΤΟΜΕΤΡΙΑ ΑΤΟΜΙΚΗΣ ΑΠΟΡΡΟΦΗΣΗΣ. ΠΑΡΑΛΛΗΛΑ ΜΕΤΡΗΘΗΚΑΝ ΕΠΙ ΤΟΠΟΥ ΚΑΙ ΜΙΑ ΣΕΙΡΑ ΑΠΟ ΦΥΣΙΚΕΣ ΠΑΡΑΜΕΤΡΟΥΣ ΟΠΩΣ ΔΙΑΛΥΤΟ ΟΞΥΓΟΝΟ, ΘΕΡΜΟΚΡΑΣΙΑ, ΑΛΑΤΟΤΗΤΑ ΚΑΙ ΡΗ. ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΤΩΝ ΜΕΤΡΗΣΕΩΝ ΕΠΕΞΕΡΓΑΣΤΗΚΑΝ ΣΕ ΗΛΕΚΤΡΟΝΙΚΟ ΥΠΟΛΟΓΙΣΤΗ, ΜΕ ΧΡΗΣΗ ΕΙΔΙΚΑ ΚΑΤΑΣΤΡΩΘΕΝΤΟΣ ΠΡΟΓΡΑΜΜΑΤΟΣ. Η ΕΠΕΞΕΡΓΑΣΙΑ ΑΥΤΗ ΕΔΕΙΞΕ ΜΙΑ ΣΕΙΡΑ ΑΠΟ ΣΗΜΑΝΤΙΚΕΣ ΧΗΜΙΚΕΣ ΔΙΕΡΓΑΣΙΕΣ, ΠΟΥ ΛΑΜΒΑΝΟΥΝ ΧΩΡΑΝ ΣΤΗ ΔΙΑΡΚΕΙΑ ΤΗΣ ΑΝΑΜΙΞΗΣ ΓΛΥΚΩΝ-ΑΛΜΥΡΩΝ ΝΕΡΩΝ. OΙ ΚΥΡΙΩΤΕΡΕΣ ΑΠΟ ΑΥΤΕΣ ΕΙΝΑΙ, Η ΜΕΤΑΦΟΡΑ ΡΒ ΚΑΙ ΖΝ ΑΠΟ ΤΗ ΔΙΑΛΥΤΗ ΣΤΗ ΣΩΜΑΤΙΔΙΑΚΗ ΦΑΣΗ, Η ΑΥΞΗΣΗ ΤΩΝ ΣΥΓΚΕΝΤΡΩΣΕΩΝ ΤΩΝ ΔΙΑΛΥΤΩΝ ΜΕΤΑΛΛΩΝ ΣΤΟ ΘΑΛΑΣΣΙΝΟ ΝΕΡΟ, Η ΑΥΞΗΣΗ ΤΩΝ ΣΥΓΚΕΝΤΡΩΣΕΩΝ ΤΟΥ ΜΝ ΚΑΙ ΤΟΥ ΖΝ ΣΤΑ ΙΖΗΜΑΤΑ ΚΟΝΤΑ ΣΤΟ ΣΤΟΜΙΟ ΤΟΥ ΠΟΤΑΜΟΥ, ΚΑΘΩΣ ΚΑΙ ΟΙ ΑΝΑΛΟΓΕΣ ΚΑΤΑΝΟΜΕΣ ΤΩΝ AL,FE,CU,PB,ZN ΣΤΑ ΕΠΙΦΑΝΕΙΑΚΑ ΙΖΗΜΑΤΑ ΤΗΣ ΠΕΡΙΟΧΗΣ . ΜΕΛΕΤΗΘΗΚΕ ΕΠΙΣΗΣ ΚΑΙ Η ΡΥΠΑΝΣΗ ΤΗΣ ΠΕΡΙΟΧΗΣ ΑΠΟ ΤΑ ΕΞΕΤΑΣΘΕΝΤΑ ΙΧΝΟΣΤΟΙΧΕΙΑ, Η ΔΕΝ ΒΡΕΘΗΚΕ ΝΑ ΕΙΝΑΙ ΣΗΜΑΝΤΙΚΗ, ΑΝ ΚΑΙ ΑΝΙΧΝΕΥΤΗΚΑΝ ΤΑΣΕΙΣ ΑΥΞΗΣΗΣ ΤΩΝ ΣΥΓΚΕΝΤΡΩΣΕΩΝ ΤΟΥΣ."],"dc:identifier":["10.12681/eadd/1581","http://hdl.handle.net/10442/hedi/1581"],"dc:language":["gre"],"dc:publisher":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"],"dc:subject":["ΑΝΑΛΥΣΗ ΙΖΗΜΑΤΩΝ","Ανάλυση νερών","Ατομική απορρόφηση","Αχελώος","ΕΚΒΟΛΕΣ ΠΟΤΑΜΩΝ","Ιζήματα θαλάσσια","Ιχνοστοιχεία","ΜΕΤΑΦΟΡΑ ΙΧΝΟΣΤΟΙΧΕΙΩΝ","ΠΡΟΣΥΓΚΕΝΤΡΩΣΗ ΜΕ CHELEX-100","Acheloos river","Atomic absorption","CHELEX-100 (PRECONCENTRATION)","CONCENTRATIVE (NON) - BEHAVIOUR","ESTUARIES","METAL EXTRACTION FROM SEDIMENTS","Particulate matters","Sediments","Trace elements","Water analysis","Φυσικές Επιστήμες","Χημεία","Natural Sciences","Chemical Sciences"],"dc:title":["ΧΗΜΙΚΗ ΜΕΛΕΤΗ ΤΗΣ ΔΙΑΚΙΝΗΣΗΣ ΤΩΝ AL-FE-MN-CU-PB-ZN ΣΤΙΣ ΕΚΒΟΛΕΣ ΤΟΥ ΑΧΕΛΩΟΥ","CHEMICAL STUDY OF BEHAVIOUR AND TRANSPORTATION OF AL-FE-MN-CU-PB-ZN IN THE ESTUARY OF ACHELOOS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:59Z"}