Surface Runoff and Snowmelt Infiltration into the Soil on Plowlands in the Forest-Steppe and Steppe Zones of the East European Plain

Барабанов, А. Т.; Долгов, С. В.; Коронкевич, Н. И.; Panov, V. I.; Петелько, А И

doi:10.1134/s1064229318010039

Cited by 43 publications

(15 citation statements)

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“…Unfortunately, we did not have data on the depth of soil freezing over the last several decades in the region. Still, there is a direct and close correlation (ceteris paribus) between this value and the topsoil's temperature [63,64,[69][70][71]. Hence, we had reason to restore (at least at a qualitative level) the probability of surface runoff and its long-term dynamic over the past few decades.…”

Section: Changes In Surface Water/sediment Runoff Formation During Snmentioning

confidence: 99%

“…In the context of our study, the most important is the resultant of all of these changesa change in the conditions of formation of water runoff and sediment load/yield in the studied rivers of Ciscaucasia. According to the Barabanov's rule [63,64], formulated based on long-term observations at experimental runoff plots in the steppe and forest-steppe zones of European Russia, at a certain minimum value of one of the three limiting factors (water reserves in the snow, soil freezing depth, and soil moisture), no surface water runoff is formed regardless of the indicators of other factors. If the soil is frozen to ≤50 cm deep (the farther south, the less this critical level), then there is no surface runoff regardless of its moisture and water reserves in the snow.…”

Section: Changes In Surface Water/sediment Runoff Formation During Snmentioning

confidence: 99%

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Contemporary Long-Term Trends in Water Discharge, Suspended Sediment Load, and Erosion Intensity in River Basins of the North Caucasus Region, SW Russia

2021

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For the first time, contemporary trends in water discharge, suspended sediment load, and the intensity of overall erosion in the river basins of the North Caucasus region, as one of Russia’s most agriculturally developed geographic areas, were identified. The study was carried out using monitoring data of the Federal Service for Hydrometeorology and Environmental Monitoring of the country for 21 rivers by comparing two periods: 1963–1980 and 2008–2017. According to the study’s results, trends of an increase in the mean annual water discharge (by 2–97%) and the essential reduction in its intra-annual variability have been found in most of the studied rivers. On the contrary, the trends of reduction in annual suspended sediment load and the intensity of erosion in the river basins were identified in most of the study region. Their most essential and statistically significant decreases (by 47–94%) were recorded within the Stavropol Upland, which several decades ago was considered one of the most erosion-dangerous territories of the entire country, as well as in some river basins of the central part of the Greater Caucasus’s northern slope (by 17–94%). The changes in climate (reducing the depth of soil freezing and meltwater runoff on the soil) and land use/cover (reduction of acreage and load (pressure) of agricultural machinery on the soil, reducing livestock on pastures, and the transfer of water from the neighboring, more full-flowing rivers) are considered the leading causes of the aforementioned trends. The findings will contribute to solving some economic and environmental problems of both the region and adjacent territories and water areas.

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Section: Changes In Surface Water/sediment Runoff Formation During Snmentioning

confidence: 99%

Section: Changes In Surface Water/sediment Runoff Formation During Snmentioning

confidence: 99%

Contemporary Long-Term Trends in Water Discharge, Suspended Sediment Load, and Erosion Intensity in River Basins of the North Caucasus Region, SW Russia

2021

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“…По сравнению с условно естествен ным периодом (до 1930 г .) сток половодья Волги к настоящему времени уменьшился более чем на 4300 км 3 , а Дона -почти на 900 км 3 . Вклад ант ропогенных факторов в это уменьшение в бас сейне Волги составил более 70%, Дона -45%, а вклад климатических факторов -соответст венно 30 и 55% .…”

Section: заключениеunclassified

“…Сток поло водья и его вклад в годовой речной сток менялись под влиянием климатических и антропогенных факторов . Этим изменениям посвящено немало исследований, в том числе и авторов настоящей работы [1][2][3] . Однако большая их часть выполнена давно или отражает лишь отдельные стороны про изошедших изменений: например, климатические или антропогенные изменения только речного стока или стока, формирующегося на водосборах .…”

Section: Introductionunclassified

Change in snow flood flow in the southern macro-slope of the Russian Plain in the period 1930-2014

et al. 2018

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In recent decades, in the southern macro-slope (catchment) of Te Russian Plain, mainly within the basins of the Volga and the Don rivers, the spring ﬂood ﬂow decreased due to both anthropogenic and climatic factors. Of anthropogenic factors, the creation of reservoirs played a signifcant role in changing the water regime of the Volga and the Don. Another important factor, aﬀecting the river runoﬀ, is agricultural activities on ﬂat interﬂuves and slopes. Compared with the conventional-natural period (for the Volga from 1879, and for the Don from 1876 to 1929) to the date (for the period 1930–2014), the ﬂood ﬂow of the Volga has been decreased by more than 4300 km3, and the Don – by almost 900 km3. Te contribution of anthropogenic factors to this decrease in the Volga basin exceeded 70%, and for the Don it was equal to 45%, while the climatic ones contributed 30 and 55%, respectively. During the period of instrumental observations on the rivers of the region, long-lasting phases of high/low water content with duration from 15–20 to 90 years or longer, caused by the climatic changes, were determined. Tese are a characteristic feature of long-term changes in ﬂood ﬂow (and in a runoﬀ of other seasons) on both medium and large rivers of the southern macro-slope of the Russian Plain. Te period since early 2000s was a start of the decreased ﬂood ﬂow everywhere, i.e. on medium and large rivers. It is most clearly (by tens of percent) manifested in the decrease of the spring surface ﬂow due to the following factors: more frequent thaws, reduction of the depth of soil freezing, increase of infltration, especially in the forest-steppe and steppe zones. Increase in ﬂow of the infltration origin does only partially compensate the decrease of the ﬂow in rivers.

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“…], the biogenic substances migration export by other elements of the river basin vertical hydrological structure [4], including underground runoff, usually is not analysed, assuming their contribution to be insignificant. However, very significant changes have occurred in the structure of the water balance over the past decades -the amount of surface slope runoff has significantly decreased and precipitation infiltration has increased [5,6].…”

Section: Introductionmentioning

confidence: 99%

Aspects of the modern biogens runoff formation in the central part of the Russian Plain

2020

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The removal of biogenic substances (mineral nitrogen and phosphorus) from river catchments and its modern aspects of formation are considered. A rough estimate of the annual water-biogenic balance for the Linda and Kudma river catchments, which are the tributaries of the Cheboksary reservoir, and the river catchments of the Kursk region is presented. It is shown that the diffuse removal of biogens from river catchments exceeds their removal into water bodies with wastewater. Not only anthropogenic, but also natural factors play an important role in the biogens export to the rivers and waterbodies. Resent changes in biogens removal from catchments are assessed.

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Surface Runoff and Snowmelt Infiltration into the Soil on Plowlands in the Forest-Steppe and Steppe Zones of the East European Plain

Cited by 43 publications

References 1 publication

Contemporary Long-Term Trends in Water Discharge, Suspended Sediment Load, and Erosion Intensity in River Basins of the North Caucasus Region, SW Russia

Contemporary Long-Term Trends in Water Discharge, Suspended Sediment Load, and Erosion Intensity in River Basins of the North Caucasus Region, SW Russia

Change in snow flood flow in the southern macro-slope of the Russian Plain in the period 1930-2014

Aspects of the modern biogens runoff formation in the central part of the Russian Plain

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