FENOMENE ŞI STĂRI GEOMORFOLOGICE DE RISC  ĪN DEPRESIUNEA ŞI MUNCEII BĂII MARI

 

S. Filip

 

 

ABSTRACT. Geomorphological phenomena and states of risk in Baia Mare Depression and Mountains. The characteristics of the geomorphic component and its manner of interaction with the human component (starting from the situation of the existence or not of human elements over a certain area) lead to a change of environmental states and the shaping of risk states. These are set up as a consequence of the relation of geomorphological hazards with vulnerable elements. Due to their spatial location, the vulnerable elements present a certain exposure to certain geomorphological phenomena of risk. The classification of these values have been made taking into account the results obtained in previous studies (Filip S. 2008), stages of computerized analysis and the field observations, thus trying to group the areas with different degrees of risk according to reality as much as possible. We considered suitable the grouping in three classes of risk (iR, mR, sR), divided in subclasses having the following values: iR1 (2-3), iR2 (3-4), iR3 (4-5) within the class of low risk; mR1 (5-6), mR2 (6-10), mR3 (10-12), mR4 (12-16) within the class of moderate risk; sR1 (16-20), sR2 (20-24), sR3 (24-30) within the class of high risk.A different category of areas with states of geomorphological risk (due to the human intervention) is the one associated with the mining works and primary processing of ores. The surface and underground mining involves geomorphological phenomena of instability, manifested in the shape of crumblings, landslides, compactions..

 

Key words: geomorphologic risk, vulnerability, urban and rural settlements, exposure, overlay.

 

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