{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1509"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1509","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΓΕΝΙΚΑ ΚΑΙ ΤΟΠΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΗΣ ΧΑΟΤΙΚΗΣ ΔΟΜΗΣ ΘΑΛΑΣΣΙΩΝ ΔΥΝΑΜΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ","abstract":"WE INVESTIGATE THE PROPERTIES OF A MARINE DYNAMICAL SYSTEM BY MEANS OF TIME SERIES OF THE SEA-LEVEL HEIGHT AT FOUR LOCATIONS IN THE SARONIKOS GULF IN THE AEGEAN SEA. IN ORDER TO CHARACTERIZE THE DYNAMICS WE ESTIMATE THE DIMENSION OF THE UNDERLYING SYSTEM ATTRACTOR AND WE COMPUTE ITS LYAPUNOV EXPONENTS. DIMENSION ESTIMATES INDICATE THAT THE DYNAMICS CAN BE EXPLAINED BY A LOW- DIMENSIONAL DETERMINISTIC DYNAMICAL SYSTEM. LYAPUNOV EXPONENT ESTIMATES FURTHER SUBSTANTIATE THEABOVE CONCLUSION WHILE AT THE SAME TIME INDICATE THAT THE DYNAMICAL SYSTEM IS A RATHER NONUNIFORM CHAOTIC ONE.","abstract_html":"WE INVESTIGATE THE PROPERTIES OF A MARINE DYNAMICAL SYSTEM BY MEANS OF TIME SERIES OF THE SEA-LEVEL HEIGHT AT FOUR LOCATIONS IN THE SARONIKOS GULF IN THE AEGEAN SEA. IN ORDER TO CHARACTERIZE THE DYNAMICS WE ESTIMATE THE DIMENSION OF THE UNDERLYING SYSTEM ATTRACTOR AND WE COMPUTE ITS LYAPUNOV EXPONENTS. DIMENSION ESTIMATES INDICATE THAT THE DYNAMICS CAN BE EXPLAINED BY A LOW- DIMENSIONAL DETERMINISTIC DYNAMICAL SYSTEM. LYAPUNOV EXPONENT ESTIMATES FURTHER SUBSTANTIATE THEABOVE CONCLUSION WHILE AT THE SAME TIME INDICATE THAT THE DYNAMICAL SYSTEM IS A RATHER NONUNIFORM CHAOTIC ONE.","abstract_has_math":false,"creators":["Triantafyllou, George","Τριανταφύλλου, Γεώργιος"],"institution":"Aristotle University Of Thessaloniki (AUTH)","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":"2026-07-24T02:24:59Z","subjects":["Chaos","CORRELATION DIMENSION","Fractal dimensions","LIMIT CYCLE","Lyapunov exponents","Non-linear dynamical systems","POINT ATTRACTOR","Saronikos Gulf","STRANGE ATTRACTOR","TORUS","ΔΙΑΣΤΑΣΗ FRACTAL","ΔΙΑΣΤΑΣΗ ΣΥΣΧΕΤΙΣΗΣ","Εκθέτες Lyapunov","ΗΜΙΠΕΡΙΟΔΙΚΟΣ ΕΛΚΤΗΣ","ΙΔΙΟΡΡΥΘΜΟΣ ΕΛΚΤΗΣ","Μη γραμμικά δυναμικά συστήματα","ΟΡΙΑΚΟΣ ΚΥΚΛΟΣ","Σαρωνικός κόλπος","ΣΗΜΕΙΑΚΟΣ ΕΛΚΤΗΣ","Χάος","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού","Engineering and Technology","Civil Engineering"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1509"],"render_values":[{"text":"10.12681/eadd/1509","href":"https://doi.org/10.12681/eadd/1509","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1509","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Triantafyllou, George","Τριανταφύλλου, Γεώργιος"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1991"]},{"key":"dc:publisher","label":"Institution","values":["Aristotle University Of Thessaloniki (AUTH)","Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Chaos","CORRELATION DIMENSION","Fractal dimensions","LIMIT CYCLE","Lyapunov exponents","Non-linear dynamical systems","POINT ATTRACTOR","Saronikos Gulf","STRANGE ATTRACTOR","TORUS","ΔΙΑΣΤΑΣΗ FRACTAL","ΔΙΑΣΤΑΣΗ ΣΥΣΧΕΤΙΣΗΣ","Εκθέτες Lyapunov","ΗΜΙΠΕΡΙΟΔΙΚΟΣ ΕΛΚΤΗΣ","ΙΔΙΟΡΡΥΘΜΟΣ ΕΛΚΤΗΣ","Μη γραμμικά δυναμικά συστήματα","ΟΡΙΑΚΟΣ ΚΥΚΛΟΣ","Σαρωνικός κόλπος","ΣΗΜΕΙΑΚΟΣ ΕΛΚΤΗΣ","Χάος","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού","Engineering and Technology","Civil Engineering"]}]},{"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/1509","http://hdl.handle.net/10442/hedi/1509"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["WE INVESTIGATE THE PROPERTIES OF A MARINE DYNAMICAL SYSTEM BY MEANS OF TIME SERIES OF THE SEA-LEVEL HEIGHT AT FOUR LOCATIONS IN THE SARONIKOS GULF IN THE AEGEAN SEA. IN ORDER TO CHARACTERIZE THE DYNAMICS WE ESTIMATE THE DIMENSION OF THE UNDERLYING SYSTEM ATTRACTOR AND WE COMPUTE ITS LYAPUNOV EXPONENTS. DIMENSION ESTIMATES INDICATE THAT THE DYNAMICS CAN BE EXPLAINED BY A LOW- DIMENSIONAL DETERMINISTIC DYNAMICAL SYSTEM. LYAPUNOV EXPONENT ESTIMATES FURTHER SUBSTANTIATE THEABOVE CONCLUSION WHILE AT THE SAME TIME INDICATE THAT THE DYNAMICAL SYSTEM IS A RATHER NONUNIFORM CHAOTIC ONE.","ΔΙΕΡΕΥΝΗΣΗ ΤΩΝ ΧΑΡΑΚΤΗΡΙΣΤΙΚΩΝ ΕΝΟΣ ΘΑΛΑΣΣΙΟΥ ΔΥΝΑΜΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΜΕΣΩ ΧΡΟΝΟΣΕΙΡΩΝ ΤΗΣ ΘΑΛΑΣΣΙΑΣ ΣΤΑΘΜΗΣ ΣΕ ΤΕΣΣΕΡΑ (4) ΣΗΜΕΙΑ ΤΟΥ ΣΑΡΩΝΙΚΟΥ ΚΟΛΠΟΥ. ΓΙΑ ΤΟΝ ΧΑΡΑΚΤΗΡΙΣΜΟ ΤΟΥ ΔΥΝΑΜΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΕΚΤΙΜΑΤΑΙ Η ΔΙΑΣΤΑΣΗ ΤΟΥ ΕΛΚΤΗ ΤΟΥ ΣΥΣΤΗΜΑΤΟΣ ΚΑΙ ΓΙΝΕΤΑΙ ΥΠΟΛΟΓΙΣΜΟΣ ΤΩΝ ΑΝΤΙΣΤΟΙΧΩΝ ΕΚΘΕΤΩΝ LYAPUNOV. Η ΕΚΤΙΜΗΣΗ ΤΗΣ ΔΙΑΣΤΑΣΗΣ ΔΕΙΧΝΕΙ ΟΤΙ Η ΔΥΝΑΜΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΤΟΥ ΣΥΣΤΗΜΑΤΟΣ ΜΠΟΡΕΙ ΝΑ ΑΠΟΔΟΘΕΙ ΣΕ ΕΝΑ ΝΤΕΤΕΡΜΙΝΙΣΤΙΚΟ ΔΥΝΑΜΙΚΟ ΣΥΣΤΗΜΑ ΛΙΓΩΝ ΒΑΘΜΩΝ ΕΛΕΥΘΕΡΙΑΣ ΤΟ ΟΠΟΙΟ ΧΑΡΑΚΤΗΡΙΖΕΤΑΙ ΑΠΟ ΕΝΑΝ ΕΛΚΤΗ ΧΑΜΗΛΗΣ ΔΙΑΣΤΑΣΗΣ. Ο ΥΠΟΛΟΓΙΣΜΟΣ ΤΩΝ ΕΚΘΕΤΩΝ LYAPUNOV ΕΠΙΒΕΒΑΙΩΝΕΙ ΤΟ ΠΡΟΗΓΟΥΜΕΝΟ ΣΥΜΠΕΡΑΣΜΑ ΚΑΙ ΣΥΓΧΡΟΝΩΣ ΠΡΟΣΔΙΟΡΙΖΕΙ ΟΤΙ ΤΟ ΔΥΝΑΜΙΚΟΣΥΣΤΗΜΑ ΕΙΝΑΙ ΕΝΑ ΜΑΛΛΟΝ ΑΝΟΜΟΙΟΜΟΡΦΟ ΧΑΟΤΙΚΟ ΣΥΣΤΗΜΑ."]},{"key":"dc:title","label":"Title","values":["ΓΕΝΙΚΑ ΚΑΙ ΤΟΠΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΗΣ ΧΑΟΤΙΚΗΣ ΔΟΜΗΣ ΘΑΛΑΣΣΙΩΝ ΔΥΝΑΜΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ","GLOBAL PROPERTIES AND LOCAL STRUCTURE OF THE ATTRACTOR OF A MARINE DYNAMICAL SYSTEM"]}]}],"canonical_facts":{"dc:creator":["Triantafyllou, George","Τριανταφύλλου, Γεώργιος"],"dc:date":["1991"],"dc:description":["WE INVESTIGATE THE PROPERTIES OF A MARINE DYNAMICAL SYSTEM BY MEANS OF TIME SERIES OF THE SEA-LEVEL HEIGHT AT FOUR LOCATIONS IN THE SARONIKOS GULF IN THE AEGEAN SEA. IN ORDER TO CHARACTERIZE THE DYNAMICS WE ESTIMATE THE DIMENSION OF THE UNDERLYING SYSTEM ATTRACTOR AND WE COMPUTE ITS LYAPUNOV EXPONENTS. DIMENSION ESTIMATES INDICATE THAT THE DYNAMICS CAN BE EXPLAINED BY A LOW- DIMENSIONAL DETERMINISTIC DYNAMICAL SYSTEM. LYAPUNOV EXPONENT ESTIMATES FURTHER SUBSTANTIATE THEABOVE CONCLUSION WHILE AT THE SAME TIME INDICATE THAT THE DYNAMICAL SYSTEM IS A RATHER NONUNIFORM CHAOTIC ONE.","ΔΙΕΡΕΥΝΗΣΗ ΤΩΝ ΧΑΡΑΚΤΗΡΙΣΤΙΚΩΝ ΕΝΟΣ ΘΑΛΑΣΣΙΟΥ ΔΥΝΑΜΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΜΕΣΩ ΧΡΟΝΟΣΕΙΡΩΝ ΤΗΣ ΘΑΛΑΣΣΙΑΣ ΣΤΑΘΜΗΣ ΣΕ ΤΕΣΣΕΡΑ (4) ΣΗΜΕΙΑ ΤΟΥ ΣΑΡΩΝΙΚΟΥ ΚΟΛΠΟΥ. ΓΙΑ ΤΟΝ ΧΑΡΑΚΤΗΡΙΣΜΟ ΤΟΥ ΔΥΝΑΜΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΕΚΤΙΜΑΤΑΙ Η ΔΙΑΣΤΑΣΗ ΤΟΥ ΕΛΚΤΗ ΤΟΥ ΣΥΣΤΗΜΑΤΟΣ ΚΑΙ ΓΙΝΕΤΑΙ ΥΠΟΛΟΓΙΣΜΟΣ ΤΩΝ ΑΝΤΙΣΤΟΙΧΩΝ ΕΚΘΕΤΩΝ LYAPUNOV. Η ΕΚΤΙΜΗΣΗ ΤΗΣ ΔΙΑΣΤΑΣΗΣ ΔΕΙΧΝΕΙ ΟΤΙ Η ΔΥΝΑΜΙΚΗ ΣΥΜΠΕΡΙΦΟΡΑ ΤΟΥ ΣΥΣΤΗΜΑΤΟΣ ΜΠΟΡΕΙ ΝΑ ΑΠΟΔΟΘΕΙ ΣΕ ΕΝΑ ΝΤΕΤΕΡΜΙΝΙΣΤΙΚΟ ΔΥΝΑΜΙΚΟ ΣΥΣΤΗΜΑ ΛΙΓΩΝ ΒΑΘΜΩΝ ΕΛΕΥΘΕΡΙΑΣ ΤΟ ΟΠΟΙΟ ΧΑΡΑΚΤΗΡΙΖΕΤΑΙ ΑΠΟ ΕΝΑΝ ΕΛΚΤΗ ΧΑΜΗΛΗΣ ΔΙΑΣΤΑΣΗΣ. Ο ΥΠΟΛΟΓΙΣΜΟΣ ΤΩΝ ΕΚΘΕΤΩΝ LYAPUNOV ΕΠΙΒΕΒΑΙΩΝΕΙ ΤΟ ΠΡΟΗΓΟΥΜΕΝΟ ΣΥΜΠΕΡΑΣΜΑ ΚΑΙ ΣΥΓΧΡΟΝΩΣ ΠΡΟΣΔΙΟΡΙΖΕΙ ΟΤΙ ΤΟ ΔΥΝΑΜΙΚΟΣΥΣΤΗΜΑ ΕΙΝΑΙ ΕΝΑ ΜΑΛΛΟΝ ΑΝΟΜΟΙΟΜΟΡΦΟ ΧΑΟΤΙΚΟ ΣΥΣΤΗΜΑ."],"dc:identifier":["10.12681/eadd/1509","http://hdl.handle.net/10442/hedi/1509"],"dc:language":["gre"],"dc:publisher":["Aristotle University Of Thessaloniki (AUTH)","Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)"],"dc:subject":["Chaos","CORRELATION DIMENSION","Fractal dimensions","LIMIT CYCLE","Lyapunov exponents","Non-linear dynamical systems","POINT ATTRACTOR","Saronikos Gulf","STRANGE ATTRACTOR","TORUS","ΔΙΑΣΤΑΣΗ FRACTAL","ΔΙΑΣΤΑΣΗ ΣΥΣΧΕΤΙΣΗΣ","Εκθέτες Lyapunov","ΗΜΙΠΕΡΙΟΔΙΚΟΣ ΕΛΚΤΗΣ","ΙΔΙΟΡΡΥΘΜΟΣ ΕΛΚΤΗΣ","Μη γραμμικά δυναμικά συστήματα","ΟΡΙΑΚΟΣ ΚΥΚΛΟΣ","Σαρωνικός κόλπος","ΣΗΜΕΙΑΚΟΣ ΕΛΚΤΗΣ","Χάος","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Πολιτικού Μηχανικού","Engineering and Technology","Civil Engineering"],"dc:title":["ΓΕΝΙΚΑ ΚΑΙ ΤΟΠΙΚΑ ΧΑΡΑΚΤΗΡΙΣΤΙΚΑ ΤΗΣ ΧΑΟΤΙΚΗΣ ΔΟΜΗΣ ΘΑΛΑΣΣΙΩΝ ΔΥΝΑΜΙΚΩΝ ΣΥΣΤΗΜΑΤΩΝ","GLOBAL PROPERTIES AND LOCAL STRUCTURE OF THE ATTRACTOR OF A MARINE DYNAMICAL SYSTEM"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:59Z"}