Rezumat articol ediţie STUDIA UNIVERSITATIS BABEŞ-BOLYAI

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The Silting of the Reservoirs from Someşul Cald Valley under Conditions of the Irregular Distribution of the Forest and of the Alluvial Flow. After a general presentation of the drainage basin of the reservoirs from the Someşul Cald Valley, the authors proceed to a short analysis of the forest repartition in the drainage basin area and of the alluvial flows, which condition the reservoir sedimentations. There are put into evidence low values of this phenomenon, but also the existence of several spaces with anomaly character, respectively values among most erect, due to the presence of the friable sedimentary rocks and, also, of a poor forest coverage. This aspect is confirmed by the values measured at the hydrometric stations, included in text under tables and correlation charts form of the specific parameters, respectively, by the map and the table of forest repartition in the drainage basin area. In the second part of the study there are emphasized several aspects concerning the silting volumes degree and areas of high intensity of the silting phenomenon. In the four reservoirs the principal affluent outlets are characterized by important alluvial deposits, frequently organized under dejection cones form, or reefs and alluvial strings, depending on the volume and the dynamics of waters from retentions.

Keywords: reservoirs, forest repartition, suspension flow, sedimentation, accumulation shapes.