Particularities of periods with maximum water flow on the rivers from the Suceava hydrographic basin (1981–2005)

ADRIANA MIHAELA PORCUȚAN

ABSTRACT. – Particularities of periods with maximum water flow on the rivers from the Suceava hydrographic basin (1981 – 2005). Suceava river basin gets its tributaries from the eastern slopes of the northern group of the Eastern Romanian Carpathians, situated under the influence of Baltic air masses, which bring rainfalls and cold weather, felt into the water flow regime of rivers in the region studied. This water flow regime varies from month to month, with the maximum flow having the most important role in the restoration of underground water reserves. This study examines the temporal (frequency, duration and intensity) and quantitative (volume and flow) parameters of periods with maximum flow, at monthly and seasonal level, revealing the differences in the water flow regime induced by the relief’s morphometric particularities (altitude, fragmentation degree, exhibition). For the evaluation of mentioned parameters was appealed to the TML 2.1 extension from the HydroOffice software package, which uses quantitative thresholds, depending on which it is set the appearance, and disappearance of periods with maximum flow.

Keywords: maximum flow, quantitative threshold, frequency, floods

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