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To evaluate hydrological drought in small basin was used minimum flow parameters like percentiles from the flow duration curve, mean annual minimum flow, base flow index and recession index. Water deficit was estimated based on threshold level method and the sequent peak algorithm. Each method was exemplified using data from hydrometric stations from small basins included in Bahlui drainage basin. The results show that in the period between 1950 and 2014, the average drought duration of the cold season is over 20 ...

In recent decades the increase of the frequency of flash-flood conditions requires a correct identification of potential flood areas where these hydrological risk phenomena appear in Moldavian Plain. To identify the basins and localities exposed to flash-flood was used physiographic method. This method allows the opportunity to identify the river basins with the concentration of water from precipitations in less than 6 hours. Through successive sorting of the basins which may generate the flash-flood was identifie...