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SpatiotemporalAnalysis of SoilMoisture Variabilityand PrecipitationResponse Across SoilTexture Classes inEast Kazakhstan Chernykh DmitryBiryukov RomanBondarovich Andrey2025 год

Spatiotemporal Analysis of Soil Moisture Variability and Precipitation Response Across Soil Texture Classes in East Kazakhstan : научное издание
статья из журнала

Дополнительные ссылки: eLibrary
База данных: Каталог библиотеки СФУ
Библиографическое описание: Spatiotemporal Analysis of Soil Moisture Variability and Precipitation Response Across Soil Texture Classes in East Kazakhstan : научное издание / D. Chernykh, R. Biryukov, A. Bondarovich [et al.]. - Текст : непосредственный // Land. - 2025. - Т. 14, № 6. - P. 1136. - ISSN 2073-445X, DOI 10.3390/land14061136.
Аннотация: <jats:p>The study of the hydrological regimes of rivers in different regions of the globe has revealed the need to include the soil moisture content in flood prediction models. This paper investigates the nature of the dependence of soil moisture content on soil texture in the East Kazakhstan region. Data from ERA-5-land reanalysis, soil maps, hydrogeological maps, and the meteorological data of Kazhydromet were used. The years for analysis were selected due to their different moisture conditions. This study analyzed soil moisture within the root zone (0–28 cm depth). A JavaScript-based algorithm was developed in Google Earth Engine to analyze soil moisture and total precipitation across five Soil Texture Index categories during the growing seasons (April–September) of 2013, 2022, and 2023. Final cartographic processing and spatial distribution analysis were conducted using ESRI ArcGIS Pro 3.3. The study of soil moisture's relationship with different soil textures in the East Kazakhstan region has revealed several key trends. The maximum values of soil moisture for each texture class change very slightly from year to year. The minimum soil moisture values fluctuate more strongly from year to year. The regression analysis demonstrates a statistically significant relationship between precipitation and soil moisture. The best performance is achieved when using a 1-day lag for 2013 and varying optimal lags for 2022 and 2023 (ranging from 1 to 3 days) during the high-precipitation period (months 6–9), with filtering applied to remove days with negligible rainfall.</jats:p>
Год издания: 2025
Авторы: Chernykh Dmitry , Biryukov Roman , Bondarovich Andrey , Lubenets Lilia , Pavlenko Anatoly , Rakhymbek Kamilla , Revenko Denis , Zhantassova Zheniskul
Источник: Land
Выпуск: Т. 14, № 6
Номера страниц: 1136
Держатель оригинала документа: Altai State University, Barnaul 656049, Russia, Astana IT University, Astana 010000, Kazakhstan, Institute for Water and Environmental Problems, Siberian Branch of the Russian Academy of Sciences, Barnaul 656038, Russia, Sarsen Amanzholov East Kazakhstan University, Ust-Kamenogorsk 070004, Kazakhstan
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