Problems of Calculating Water Availability and Water Consumption in the Municipalities of the Republic of Altai
DOI:
https://doi.org/10.17308/geo/1609-0683/2023/2/47-55Keywords:
water availability, Republic of Altai, runoff accumulation raster, water consumptionAbstract
The purpose is to calculate the water availability of rural settlements in the Altai Republic on the basis of a runoff accumulation raster. Materials and methods. The initial data were the results of measurements of average annual water discharge at 23 gauging stations. Ther.watershed module of the GRASS geoinformation system was used as a tool for constructing a flow accumulation raster. Quantitative values of flow accumulation raster were compared with data of water gauging stations on average annual water discharge indicators. The results showed good convergence of these indicators. The consistency of the analyzed values made it possible to construct a series of regression equations. In addition, the water consumption of the main sectors of the Altai Republic economy has been assessed in comparison with the water consumption of the resident population. Results and discussion. Minimum water availability is fixed for Novy Beltyr village (Kosh-Agachsky region) – 0.00015 cubic meters per sec/person; for Gorno-Altaisk city (population – 64505 people) – 0.00017 cubic meters per sec/person. The maximum water availability – 4.1 cubic meters per second/person is noted in Barangol village (Maiminsky district), which is located on the Katun river. Moreover, low water availability is observed in some large settlements, where a large proportion of the region's inhabitants live. Due to tourism development, a significant contribution to water consumption is made by recreationists along with local inhabitants. Among agricultural producers, cattle breeding is a large water consumer. Conclusions. Signifi cant differences in both water consumption and water availability have been revealed. However, it can be stated that the situation with surface water availability in the republic is not threatening. Problems in this respect can arise only in case of significant decrease in the norm of precipitation and prolonged stable periods of drought.
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