DOI: 10.24411/1728-323X-2018-12096

Section

Physical geography and biogeography, soil geography and landscape geochemistry

Title

ON SPATIAL VARIABILITY OF THE CHEMICAL COMPOSITION OF THE GROUND (UNDERGROUND) WATERS OF THE INTACT LANDSCAPE OF EUROPEAN RUSSIA

Сontributors

G. S. Shilkrot, senior research scientist, Ph. D. (Geography), This email address is being protected from spambots. You need JavaScript enabled to view it..

Institute of Geography, Russian Academy of Sciences (IGRAS), Moscow, Russia

Abstract

The spatial variability of chemical characteristics of water springs and drinking wells of the intact landscapes (protected and with the rural population) located along the meridian from the Novgorod Region to the Republic of Crimea is considered in a comparative aspect. The basis for the research is the results of the geochemical research (2002—2017) in the basin of lake Seliger (the Tver Region). For comparison, the results in the recent years in other areas of the forest and forest-steppe zone are involved.

The increased content of litogenic elements, as well as, Fe, Li, Ti and Ba, Cr, was found to be widespread in the ground (underground) water of the studied areas. These features can be taken as natural properties (indicators) of uncontaminated waters. They will allow to judge about the existence or absence of pollution of both the underground waters, and the rivers and reservoirs fed by them. All geochemical parameters, except for Fe, are much lower than the standards for drinking water.

A number of examples show the relationship between the chemical characteristics of the underground water and rivers that feed them. The facts of high phosphate contents in the groundwater in residential areas were also revealed. This indicates antropogenic pollution of the environment and the current acceleration of biogeochemical processes in the landscapes. The impetus of them is the antropogenic factor and climate change.

Keywords

groundwater, underground water, springs, wells, rivers, chemical composition, water properties, mineralization, microelements, phosphorus, pollution.

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