Boron (В) is widely spread in surface and ground waters. The article deals with the problem of drinking groundwater quality. Groundwater is the only source of water supply, in the most districts of the Altai Region. This suggests that the quality of groundwater is of great importance for the population of the region. Drinking water should be suitable for human consumption and for all household purposes. The main attention is focused on identifying the area of distribution B containing waters with the content exceeding the maximum permissible concentration (MPC). The relationship between В and dry residue (MCO) is analyzed. Crucial factors responsible for high В concentration have been identified. The general complex research of presence, distribution and sources of В inflow into groundwaters of the Altai Region are defined in the article. The relationship between the В content and the high incidence of people living in areas with a high В content has been revealed. It was found that high concentrations of В (more than 0.5 mg/l) correspond to the zone of brackish water distribution, which occupies almost the entire territory of the steppe Altai - Kulundinsko-Barnaul artesian basin. Their distribution coincides geographically with the distribution of В.
The research objective is to identify and analyze the possibility of using the Standardized Precipitation Index (SPI) in Altai Krai for agroclimatic and meteorological research, including forecasting climate change and predicting the yield of various crops. An agroclimatic assessment of atmospheric droughts within the conditions of Altai Krai was performed using a method relatively new for national agrometeorology. At the moment, in the Russian Federation and the CIS countries, the G. T. Selyaninov Hydrothermic Factor (HF) is mainly used for assessing droughts, which makes it possible to assess the territory water availability by the ratio of the period characteristics with the temperature above 10°С. The authors have compiled the SPI calculator in the Microsoft Excel software environment. The paper presents the graphs of the moisturization course for the period of the active growing season for 31 meteorological stations of Altai Krai, and the frequency of arid events is calculated for compiling a precipitation model for the period of 1964–2020. The paper does not provide formulas described in detail in literature sources. The research results can be used in planning activities in the sphere of agriculture, developing an economic strategy for the region, and strategy in relation to adaptation to climate change. Areas are highlighted that are priority-oriented for taking measures to prevent the adverse consequences of climate change. General tendencies of changes in agrometeorological indicators have been found in those areas where they are the greatest ones. A comparison is made with the work results regarding other entities of the Russian Federation and the near abroad, wherein the possibility of using the SPI method for assessing droughts is analyzed.
The paper focuses on the influence of aggressive groundwaters on concrete and reinforced concrete structures in Barnaul (Russia), affecting their durability. The exposure to aggressive waters can significantly reduce the reliability and safety of the operated buildings. The paper analyzes the chemical composition of groundwaters obtained from engineering and geological surveys in Barnaul. The processing of the products determined the type and intensity of the aggressiveness. The presence of aggressive groundwater was considered for each dedicated aquifer involved in the interaction between the geological environment and construction. The research resulted in the compilation of a map of aggressive groundwater distribution in Barnaul. The authors note that this problem is insufficiently studied, especially considering the technogenic load on the geological and hydrogeological environment and the accumulated experience. It is necessary to continue studies to determine the exact boundaries of the aggressive groundwaters in urban areas. Particular attention should be paid to geological processes of “flooding,” because they affect groundwater aggressiveness.
The surface water pollution issue is urgent as it is the most extensive issue. Large-scale pollution of the environment causes damage to rivers, lakes, water reservoirs, and soils. Pollutants and products of their transformations sooner or later come from the atmosphere to the surface of the Earth. Issues of clean water and protection of aquatic ecosystems become increasingly acute as the historical development of society develops. Furthermore, the influence of scientific and technological progress on nature rapidly increases. Currently, there is a unified criterion for assessing water quality is the maximum permissible concentration (MPC) of substances contained in it in the Russian Federation. The Chumysh River flows in the Kemerovo Region and Altai Krai and is a tributary of the Ob River. The Chumysh River has a length of 644 km and a basin area of 23,900 square km. The assessment of the surface water quality of the Chumysh River is carried out based on data processing of the Roshydromet Federal Service for Hydrometeorology and Environmental Monitoring of Russia, which is located on the studied water object near the city of Zarinsk. The primary research goal is to assess the quality of surface waters of the Chumysh River in Zarinsk and Talmenka urban-type settlement. During the study period (nine years), the authors have identified the elements as the primary substances that have provided the most critical contribution to pollution. A comprehensive assessment has been carried out for these substances, and the substances that provide the most significant contribution to surface water pollution are selected based on the product of the points. This factor is of great importance for developing the measures that aim at their purification and planning the future use of the Chumysh River waters.
The results of a study of the influence of various soil use methods on the humus content in leached chernozem under the conditions of the moderately arid and forest-outlier steppe of the Altai Territory are presented in this article. Soil sampling was carried out on the basis of experimental fields in the Educational farm “Prigorodnoe” and the FSUE “Komsomolsky”, Pavlovsky District. The following variants of soil use as traditional technology, minimum technology, perennial fallow land (18 years), virgin land (natural haymaking) are considered. We determined the humus content using I.V. Tyurin’s method, repeated three times. The article shows that the use of conservation agriculture technologies contributes to an increase in the accumulation of soil carbon, and as a result, an increase in soil humus content. It has been established that when using traditional soil cultivation technology, the humus content in the soil is lower against the background of perennial fallow land (18 years), virgin land (natural haymaking). During the experiment with traditional technology, we revealed the minimum value of the humus content in the subsurface horizon. When using the minimum technology, the humus content in the soil prevails 1.5 times compared to the traditional one. Adaptation of resource-saving technologies to the conditions of the moderately arid and forest-outlier steppe of the Altai Territory will reduce the intensity of mechanical impact on soils, improve the ecological state of agricultural landscapes and optimize farming systems.
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