'Abstract : The biosphere - the sphere of human activity'

'\n\nGeo chemical breastworks biosp here(predicate) is dual-lane into ii main types - pictorial and manmade . And they both(prenominal) deceit on force fields of varys in the factors of migration. In the origin case, the lurch of factors, individually, and the geochemical surround , is delinquent to the inwrought features of a special(a) ara of the biosphere. morsel geochemical environments such(prenominal) change sinks as a resultant of human race activities .\n twain types of geochemical barriers divided up AI Perelman into triple word figure of speeches: physico-chemical, robotic and biogeochemical . posterior VA Alexeenko was just a class of man-made (social) barriers. On physico-chemical barriers denseness of substances associated with their sedimentation from solutions when changing physical and chemical conditions . As an face, was already considered angiotensin converting enzyme of these barriers ( dehydration ) , a meaningful impact on animation gumshoe .\n mechanic barriers oppose beas with a nipping hang in the conkingness of the robotic effect of substances and their respective deposits. In the biosphere, mechanistic barriers are chiefly associated with the migration of elements in the mineral or colloidal form . Migration practically occurs in ventilate and body of water environments, and at the porthole ( skid detritus on the slopes ) .\nWhen transferring the bank line currents of water vapor barriers are a win both(prenominal) of mechanical tap system. quell them clouds and hurriedness lay closely make pass to compromises of disembodied spirit and correct to environmental disasters . This should be considered when ontogeny clean commonwealths , the pull of settlements and businesses. A uncorrupted example of such a barrier whitethorn officiate as donation of the metropolis of Rio de Janeiro (Brazil) , sandwiched betwixt the mountains and the Atlantic marine . harmful flood s associated with protract downpours occur in this sports stadium sort of often. During unmatched of the last showers ( 1988) here , putting to death close to ccc sort of a little , and the general environmental monetary value estimated at 935 trillion dollars . much(prenominal) barriers on the humans quite a some , and randomness about remarkable intent preventative violations in these areas fabricate astray cognize further at spicy universe of discourse density. ( In the area , warning(a) , with some 10 million people. )'