MONTHLY AVERAGE FLOW IN RÂUL NEGRU HYDROGRAPHIC BASIN

Vigh Melinda
unpublished
Monthly average flow in Râul Negru hydrographic basin Râul Negru hydrographic basin represents a well individualised and relatively homogenous physical-geographical unity from Braşov Depression. The flow is controlled by six hydrometric stations placed on the main collector and on two of the most powerful tributaries. Our analysis period is represented by the last 25 years (1988-2012) and it's acceptable for make pertinent conclusions. The maximum discharge month is April, that it's placed in
more » ... at it's placed in the high flow period: March-June. Minimum discharges appear in November-because of the lack of pluvial precipitations; in January because of high solid precipitations and because of water volume retention in ice. Extreme discharge frequencies vary according to their position: in the mountain area-small basin surface; into a depression-high basin surface. Variation coefficients point out very similar variation principles, showing a relative homogeneity of flow processes.
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