The NEGATIVE EFFECTS ASSOCIATED
to Hydrological phenomena of RISK in the AlmaŞ-Agrij DEPRESSION
and Cluj and Dej HILLS. social and economic Effects
ALINA-DACIANA DUMITRA
ABSTRACT. – The negative effects associated to hydrological phenomena of risk in the Almaş-Agrij Depression and in the Cluj and Dej Hills. Social and economic effects. Following activation of run-off slopes, the torrents and rivers floods in some areas both in Cluj and Dej Hills and in the Depression Almaş-Agrij, were affected: houses, annexes, socio-economic objectives, communication networks, bridges / culverts, agricultural land, and technical works; it have been recorded losses of animals, birds and even human lives.
It also mentions the affecting of the S.G.A.Cluj defence works; were reactivated erosion of banks, were clogged riverbed of water courses, etc.
Excessive humidity or the opposite phenomenon – hydrological drought affected in
some years considerable areas, with significant socioeconomic implications.
Also, inadequate maintenance of
some hydraulic works, or ignoring environmental protection rules have generated
many crisis situations, sometimes overlapping more risk, and causing substantial
damage.
Keywords: hydrological phenomena of risk, social effects, economic effects.