Keyword: Ani?oara STAN

Present-day geomorphological processes in the Vediţa catchment

Alina BEJINARIU  Anişoara STAN
Abstract

The river Vediţa is situated in the middle section of the Cotmeana Piemont. It is delimitated Westwards by the hydrographical basin of the Vedea river and Eastwards by the hydrographical basin of the Cotmeana river. From a geological point of view, it is located in the Getic Ground, which was a sedimentation area. This area is made up of Cândesti Stata which are made of sand in alternation with gravel with lens of clay. This geological structure is the main factor for the present dynamics of the relief. In the hydrographical basin of the Vediţa river, the main processes regarding the relief dynamics are: torrents, scrunb in area, landslips and landslides. There are some elements which influence this processes, such as: the relief characteristics, the human land use and the climate parameters.

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Viewpoints on relief evolution and the hydrographical system of the southern Iezer Mountains between Valea Mare-Pravăț and Stoenești-Cetățeni

Mihai IELENICZ  Anișoara STAN
Abstract

In the development of the hydrographical network from the south of the Iezer Mountains between Valea Mare-Pravăţ and Stoeneşti-Cetăţeni one can distinguish three periods: inferior-Miocene, in which there is visible a wide valley with psefit-peltic accumulations in the surrounding sea basin; medium Miocene – Pliocene with clearly-cut valleys in the mountains, with the presence of some debris from a field close by to the mountains, on which valley chutes have transversely extended; intermittent tectonic movements have been detected in this period, which have triggered both slight elevations and mild dips that have led during the Pliocene towards a sedimentary environment. In the Romanian upper-Pliocene in which the mountain elevations are finally settled down, there are breaks into the non-proclivity crests from the sub-Carpathians, which determine an asymmetrical proclivity-inclined couloir towards the mountain. New generations of torrential valleys come up, which are transversely oriented on the previous ones (springing from the mountains

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