The Perm Region territory of 1606 sq.km is situated within three large geotectonic units: the eastern margin of the eastern…
G.K.W.: environmental changes, human impact, mining, solid wast deposits Geogr.K.W.: USSR, Perm region, Pre-Urals, Urals. The human impact in karst…
ABSTRACT: The character of the technogenic and geochemical processes in coal-extraction areas is determined by the origin and structure of…
Les zones carstiques ocupen una gran part del territori de la U.S.S.R. Per a efectuar una classificaclo d’aquestes zones carstiques…
Karst is associated with the zones of active water exchange. The main condition of its development is karst water movement…
Karsted shores formed by gypsum and anhydrite rocks occupy 8,31% of the lenght of Kama reservoir shoreline. Karst water hydro-dynamical…