Approaches to grouping the technogenic soilsстатья
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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Аннотация:A tentative grouping of technogenic soils is proposed, based on two groups of criteria: (a) type of human impact (mechanical or technical disturbance), chemical pollution, and the effect of the urban environ-ment and functioning; and (b) sequence of horizons. The latter criterion is very close to that used in the new Russian soil classification system. Between soils or soillike bodies strongly changed by the above impacts and the natural soils, there are intergrades defined and named also in accordance with the new system. Hence, we have three sequences with three "central images" in each, for example: natural soil-techno-soil-technozem, where the techno-soil has some initial horizons (subsoil) identified, while the technozem is an artificial con¬structed soil with filled horizons.