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National and Kapodistrian University of Athens (1986)

CONTRIBUTION TO THE STUDY OF THE WATER EQUIVALENT OF THE PRECIPITATION IN THE EPIRUS AREA

ΜΠΟΛΤΣΗΣ ΘΩΜΑΣ

Titre : CONTRIBUTION TO THE STUDY OF THE WATER EQUIVALENT OF THE PRECIPITATION IN THE EPIRUS AREA

Auteur : ΜΠΟΛΤΣΗΣ ΘΩΜΑΣ

Grade : Doctor of Philosophy (PhD) 1986

Université de soutenance : National and Kapodistrian University of Athens

Résumé

THE PRESENT THESIS IS BASED ON THE METEOROLOGICAL MEASUREMENTS OF PRECIPITATION AT 58 STATIONS (39 OF EPIRUS AND 19 OF NEIGHBOURING COUNTRIES), WHICH OPERATED DURING THE 20 YEAR PERIOD 1962 THROUGH 1981. A TEST OF HOMOGENEITY OF THE SERIES OF THE PRECIPITATION MEASUREMENTS SHOWED THE CORRECTNESS OF THE RESULTS.MAPS OF PRECIPITATION ISOPLETHS ARE DRAWN, WHICH ILLUSTRATE THE GEOGRAPHICAL DISTRIBUTION OF PRECIPITATION FOR EVERY MONTH, SEASON AND THE YEAR. THE TOTAL ANNUAL VOLUME OF WATER THAT FALLS ON AVERAGE. IN THE AREA OF EPIRUS IS ESTIMATED. THE NUMBER OF PRECIPITATION DAYS, AS WELL AS THE NUMBER OF SNOW AND HAILSTORM DAYS PER MONTH, SEASON AND YEAR IS EXAMINED. THE 24 H MAXIMA OF THE HEIGHT OF PRECIPITATION ARE STUDIED BY THE USE OF GUMBEL DISTRIBUTION. THE ALTERATION OF THE HEIGHT OF PRECIPITATION WITH THE ALTIMETER AND THE GEOGRAPHICAL CO-ORDINATES IS ALSO STUDIED. MANY HISTOGRAMS, DIAGRAMS AND REGRESSION LINES ARE DRAWN, WHICH ILLUSTRATE THE QUANTITY AND THE DISTRIBUTION OF THE PRECIPITATION IN THE AREA OF GREEK EPIRUS. FINALLY, THE PROBABILITIES OF DEFINITE MONTHLY, SEASONALY AND YEARLY HEIGHT OF PRECIPITATION ARE ESTIMATED.

Mots clés : CLIMATOLOGICAL ELEMENTS ; HEIGHT OF PRECIPITATION ; ISOPLETHS OF PRECIPITATION ; MAXIMA OF 24 ; METEOROLOGICAL STATIONS ; NUMBER OF PRECIPITATION DAYS ; STATISTICAL CHARACTERISTICS OF CLIMATIC SERIES ; TOTAL VOLUME OF PRECIPITATION ;

Présentation de la thèse (National Archive of PhD)

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