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Nature of technogenic impact depends on the nature of development of territory and the design features of structure. In accordance with this, type of construction, type of structure and technology of operation are selected as signs of typification. These signs determine the scale of changes in the geological environment (regional or local) and their nature (areal, point or linear). The greatest regional changes occur during reclamation measures that cause the processes of flooding and secondary salinization of lands, which everywhere leads to activation of subsidence process. Reservoirs and sections of large main water pipelines are associated with the flooding of large depressions in the relief and, as a result, formation of a vast zone of groundwater backwater and flooding, for example, Lake Sarykamysh, located in the north in the Dashoguz region. |
