Avalanche-related hydrologic risk and morphodynamic potential in some southern valleys in Fagaras and Piatra Craiului mountains

الملخص EN

The avalanches are complex phenomena, the effect of some multiple factors which interfere in their formation and starting.

An avalanche is an interrupting/a rupture of a balance which put in movement the sliding of a quantity of snow.

The balance rupture may be of climatic or mechanic order (the effects of the weight, of the overcharging).

There are present in the mountainous space in the Carpathians (generally above the superior limit of the forest).

They have a special importance in modeling and dynamic of the unprotected slopes of vegetation, situated above the superior limit of the forests.

The avalanches are also produced following some torrents, being concentrated on the torrential channels of these, similar situation to Tatra and Alps Mounts.

The morphologic action of the avalanches depends on the avalanche type that vary in function of speed, acceleration, weight, pressure.

The majority of the avalanche passage ways have lengths of about 1 km, complex profiles being influenced by lithology, structure, tectonics, gradient, exposition and anthropic activity.

Evaluation and control of these avalanches would bring arguments in the favor or detriment/disadvantage of the organization and administration of the mountainous space from carpathian and specially from Fagaras and Piatra Craiului Mountains