Vladimir Belyaev

Lomonosov Moscow State University | MSU · Faculty of Geography

Unraveling sources of sediment supply, their temporal and spatial variability is of key importance to determine origin of deposits and to explore the formation mechanism of Selenga Delta landscape units. From an environmental point of view this solution would help to identify the particle-bound pollution sources. We used geochemical fingerprinting...

The main purpose of the study was to estimate the geomorphological resources of the Kislovodsk National Park to ensure the safe and efficient use of the territory. The goal set required a detailed large-scale study of the park territory, which was carried out during the field work in the park and subsequent processing of the obtained data. The t...

Рассмотрена история развития ключевого участка кубанской дельты. Изучен керн скважины глубиной 18 м из юго-западной части устьевой области Кубани (дельта Казачьего Ерика - Переволоки) комплексом методов: фациально-литологический, малакофаунистический анализы, радиоуглеродное датирование. В его строении выявлены витязевско-раннеджеметинская (ранее 5...

We present a detailed luminescence chronology of the loess-palaeosol sequences in the Lower Volga region of Russia at the Leninsk site – an important palaeogeographic archive describing the climate and environmental conditions of regressive stages of the Caspian Sea. The chronology of these sediments has received very little attention compared to t...

Retisols are the most spread soil in the boreal forests of the Russian Plain. Their features are usually linked to the Holocene pedogenesis. However, Retisols formed in the bipartite sediments of Moscow age (sandy cover layer on top of the glacial till) could have experienced pedogenic and cryogenic impact much earlier, starting from the last Inter...

Ловозерские тундры относятся к cеверной зоне селеформирования и характеризуются средней степенью селевой опасности. Анализ данных дистанционного зондирования и полевое обследование позволили установить, что на этой территории расположено 35 селевых бассейнов. В зависимости от геоморфологической позиции селевые бассейны были разделены на следующие т...

Watershed landscapes of the Central Russian Plain being subject of the Late Pleistocene permafrost bear witness to widespread cryogenic structuring. It is reflected both in semi-regular spots, blocks, and polygons in soil and vegetation cover on arable fields and as vertically-orientated wedge casts in surficial deposits. The research aimed at iden...

The headwaters of fluvial systems on the East European Plain between the boundaries of the Marine Isotope Stage 2 (MIS 2) and MIS 6 glaciations evolved during the last 150,000 years. At least three main events of high surface runoff caused intensive erosion: at the end of MIS 6, at the end of MIS 2 and in the Middle Holocene. Erosion developed in t...

The rates of erosion-accumulation processes were estimated and the contribution of various sediment sources was identified for the catchment of the actually drained Popovsky Pond, located in the northern outskirts of Kursk. The rates of sediment accumulation in the pond and dry valley bottoms over two-time intervals were determined using 137Cs of C...

Despite the abundance of charcoal material entrapped in soils, they remain relatively less studied pyrogenic archives in comparison to the sedimentary paleofire records (e.g., lacustrine and peat deposits), and that is especially the case in most of Russia’s territory. We report here on the deep soil archives of the Holocene forest fires from the P...

During the Holocene, interfluvial landscapes of European plains have experienced alternating periods of relative stability and significant shifts in climate, soil and geomorphological development. Assumed to be an arena of major transformation their evolutionary model is not entirely resolved yet. Based on lithostratigraphic, geomorphologic and soi...

The paper presents an integrated approach for the apportionment of water and sediment sources and pathways in ungauged territories. The approach comprises various elements such as a large-scale semi-distributed hydrological and erosion model (using the SWAT tool), a statistical assessment of regular discharge data, the discrimination of runoff sour...

Borisoglebsk Upland is considered an example of a secondary upland plain in the marginal zone of the last Middle Pleistocene glaciation. Moraine hills and kames were reworked by glaciofluvial processes and incised by small fluvial forms later. Its postglacial surface drift cover is regularly defined as an undivided complex of mantle loams of domina...

Available results for five studied valleys of the Khibiny Mountains, Kola Peninsula, suggest that slush flows and, possibly for some valleys, typical debris flows with lower frequency, are a leading mechanism for downstream sediment delivery and valley floor topographical formation. Typical fluvial topography in slush flow-affected basins is extrem...

MANTRA-Rivers project (Management of Transboundary Rivers) aims at a transnational system analysis of river basins within the IWRM framework (Integrated Water Resources Management) and a dialog between riparian countries. Transboundary rivers constitute an important bridge between countries. Joint monitoring efforts and data exchange are constantly...

The article discusses postglacial landscape transformation in the Northern Hemisphere Middle Pleistocene glaciation area located in the center of the Russian Plain. We attempted to verify the regional paleogeographic model by reconstructing the Late Pleistocene incision-infill cycles at the Eastern Borisoglebsk Upland based on a comparison of inact...

The main objective of this study is to find out the application of electrical resistivity measured in water saturated soil (ER) as a proxy to soil salinity assessment within a humid climate landscape located in the center of the Russian plain. The issue is not the only salinization, but some other processes controlling the soil formation can influe...

Short-term transformations of actual topography and Quaternary deposits do not opportunely reflect in the open cartographic sources – on small-scale topographic maps and high-resolution remote sensing data. Thereby, the use of modern technologies for analysis of the spatial data obtained with unmanned aerial vehicles (UAVs) becomes quite relevant....

The features of cesium-137 (137 Cs) root uptake by spring oat (Avena sativa L.) and lettuce (Lactuca sativa L.) plants have been studied in a model experiment with simulation of radionuclide fallout into undisturbed monoliths of arable chernozems from the Plavsk radioactive spot. An integrated approach using digital autoradiography and γ-spectromet...

The paper describes application of the terrestrial laser scanner for investigation of coastal dynamics of the Svetlogorskaya Bay, Baltic Sea. Methods of investigation and results of surveys repeated over the two consecutive years for quantification of coastal erosion and slope processes within the coastal zone are presented.

Erosion is the main agent of sediment redistribution within river basin. Its spatial pattern mostly depends on basin topography and structure of fluvial network. The contribution of relief to sediment redistribution within a river basin could be assessed through the detailed analysis of basin topography, classification of its elements and detailed...

Vertical distribution of Cs-137 in cultivated chernozems of the Plavsk radioactive hotspot has been investigated, with the emphasis on the plough horizon. It is shown that the commonly expected complete homogeneity of the isotope vertical distribution within the plough and old-plough horizons of cultivated chernozems is not always achieved. Incompl...

Erosion is the main agent of sediment redistribution within river basin. Its spatial pattern mostly depends on basin topography and structure of fluvial network. The contribution of relief to sediment redistribution within a river basin could be assessed through the detailed analysis of basin topography, classification of its elements and detailed...

The paper describes application of the terrestrial laser scanner for investigation of coastal dynamics of the Svetlogorskaya Bay, Baltic Sea. Methods of investigation and results of surveys repeated over the two consecutive years for quantification of coastal erosion and slope processes within the coastal zone are presented.

Analogies and differences between Cs-137 and stable K (K-39) bioavailability for crops growing on radioactively contaminated lands are still under discussion. To clarify the peculiarities of Cs-137 and K root uptake and the elements distribution over the parts of plant biomass the field observations within post-Chernobyl Plavsky radioactive hot spo...

The accident at the Chernobyl nuclear power plant in 1986 had a large-scale action on more than 2.3 million hectares agricultural lands in Russia. The area of radioactively contaminated chernozems of semi-arid steppe zone with initial levels of Cs-137 185-555 kBq/m2 in Tula region received the name " Plavsky radioactive hotspot ". Nowadays, after t...

Аннотация Four independent techniques were applied for quantitative evaluation of soil redistribution rates within an arable slope and their spatial-temporal variability over the agricultural period. Such a complex approach allows mutual control and cross-validation of results, increasing their reliability. Sinuous pattern of the soil redistributio...

Estimations of erosion-accumulation processes rate during intensive agricultural development were obtained by different methods for one of the small watersheds of secondary-glacial relief (Tverskaya region, Osuga river). Though the watershed has maximum treated area and relatively high field gradient, the average rates of erosion and accumulation a...

The paper discusses results of quantitative assessment of sediment redistribution within a small arable catchment during a few different time intervals. Application of several independent methods allowed more reliable determination of individual components of the local sediment budget The results show that during approximately 130 years of traditio...

The paper provides an example of reconstructing a history of gully development using geomorphological survey, pollen analysis, radiocarbon dating, and grain size analysis. These data allowed authors to determine possible causes of gully formation and to reconstruct main stages of the Ouzky gully history. Relative contribution of natural and anthrop...

Authors suggest new method of gully history reconstruction for the last 50 years, based on 137Cs and 210Pbex -dating of proluvium. The application of this method to a certain gully investigation together with a traditional geologic-geomorphologic studies has allowed to determine the thickness of the gully deposits, to fulfill their detailed stratif...

Morphometric parameters of the 3 selected slopes derived from DEMs of 3 different scales have been used for soil erosion modeling. Model estimations for each of the 3 topographic input datasets and for 5 different crop rotations showed that the discrepancy between the results produced by different morphometric data in some cases exceeded variabilit...

The estimation of modern parameters of 137Cs root uptake was conducted in natural meadow and agricultural ecosystems of post-Chernobyl landscapes of Tula region. The agrosystems with main crops of field rotation (barley, potatoes, rape, maize) occupying watersheds and slopes with arable chernozems are contaminated at a level 460-670 Bq/kg (4.7-6.0...

A complex approach for estimation of sediment delivery ratios is proposed. The method includes morphometric analysis of drainage basins, mathematical modelling and application of radioactive tracer. The approach effectiveness is demonstrated by analysis of drainage basin slopes of the Lokna River (Central Part of the European Russia). Morphometric...

The estimation of modern parameters of 137Cs root uptake was conducted in natural meadow and agricultural ecosystems of post-Chernobyl landscapes of Tula region. The agrosystems with main crops of field rotation (barley, potatoes, rape, maize) occupying watersheds and slopes with arable chernozems are contaminated at a level 460-670 Bq/kg (4.7-6.0...

Due to extremely long-term radioactive pollution significant part of Russian soil cover still contains 5-10 and more Ki/km2 137Cs (under national ecological norm <1 Ki/km2 137Cs). Root uptake and translocation of 137Cs from soil to plant on such territories is the key to understanding of general ecological situation and land use. The estimation of...

Bioavailability of Cs-137 in “soil-plant” system of radioactively contaminated terrestrial ecosystems is the most important factor in the understanding of ecological situation. There are many factors affecting the features of Cs- 137 biogeochemical cycle: period since an accident, type and intensity of radioactive fallout, general properties of lan...

Root uptake and translocation of 137Cs from soil to plant is the key for estimation of general ecological situation and land use on radioactive contaminated territories. There are numerous researches concerning the relationship between the level of the radionuclide presence in soils and its accumulation in vegetation that usually describes as trans...

Significant climate and crop rotation changes have taken place over the last few decades in the Central Chernozem zone of European Russia. These have considerably influenced sediment redistribution rates within agricultural catchments. Quantitative assessments of soil losses from cultivated lands and sediment redistribution intensity have been made...

Traduction anglaise sur le site éditeur. (Doi)

137Cs concentrations and total volumes are analyzed in the sediments of a floodplain-terrace complex sampled at four test sites in the valley of a small river which drains the area with the different levels of Chernobyl-induced contamination. Specific features and governing factors of the spatial pattern of 137Cs contamination are identified both w...

Research activities aimed at design and application of soil conservation measures for reduction of soil losses from cultivated fields started in Russia in the last quarter of the 19th century. A network of "zonal agrofor-estry melioration experimental stations" was organized in the different landscape zones of Russia in the first half of the 20th c...

The new Scientific Decade 2013–2022 of IAHS, entitled “Panta Rhei—Everything Flows”, is dedicated to research activities on change in hydrology and society. The purpose of Panta Rhei is to reach an improved interpretation of the processes governing the water cycle by focusing on their changing dynamics in connection with rapidly changing human syst...

Small reservoirs of agriculture-dominated areas experience severely increased sediment input caused by soil erosion on cultivated slopes, also accompanied at some locations by gully erosion. This causes rapid decrease of the reservoir water storage and shortened periods of functioning. In this paper we discuss several examples of the 137 Cs-based s...

Research activities aimed at design and application of soil conservation measures for reduction of soil los- ses from cultivated fields started in Russia in the last quarter of the 19th century. A network of “zonal agroforestry melioration experimental stations冶was organized in the different landscape zones of Russia in the first half of the 20th...

Floodplain sedimentation is one of the most dynamic geomorphic processes within plain and lowland landscapes. There is generally a good understanding of longer term floodplain evolution, but quantitative information on overbank deposition rates for recent shorter timescales is lacking. This paper describes the application of Chernobyl-derived 137Cs...

Vast areas of Europe were contaminated by the radioactive isotope 137Cs after the explosion at the Chernobyl nuclear power plant in April 1986. More than two decades have since passed and Chernobyl-derived 137Cs has proved to be useful a tracer for quantitative assessment of erosion and deposition rates. This paper firstly summarizes the results of...

Chernobyl (1986) and Fukushima (2011) nuclear power plant accidents led to the release of important quantities of radionuclides (e.g., Cs-134; Cs-137) into the environment, and to the formation of severe contamination plumes (with initial Cs-137 activities exceeding typically 400 kBq m-2) on soils of the regions exposed to the radioactive fallout....

This paper reports a detailed quantitative assessment of soil redistribution rates on cultivated slopes of two different aspects of located within the small arable catchment in the Kursk Region, central European Russia. The following methods were used for soil erosion quantification: soil-morphological method, 137 Cs radioactive tracer and empirica...

Quantitative assessment of the sediment budget of a fluvial system is a key approach to understanding its geomorphic behaviour and an essential tool for investigating the redistribution of particle-bound contaminants along the sediment cascade. Here, we present a study involving the application of several independent approaches for quantifying the...

The Chernobyl and Fukushima nuclear power plant accidents led to the release of large quantities of radionuclides into the environment. Several of those radionuclides (e.g. Cs-134 and Cs-137) strongly sorb onto soil particles. Once delivered to rivers by erosion processes and runoff, sediment redistribution can lead to the progressive dispersion of...

Spatial variations and temporal dynamics of overbank sedimentation rates were studied on the floodplains of six rivers located in different parts of the central Russian Plain. Radioactive isotope 137Cs was used as a tracer for quantification of sedimentation rates. At least two morphologically typical floodplain segments of each river under study w...

A detailed study was undertaken in the upper part of the River Chern basin (126 km2). An integrated approach was used to investigate the redistribution of sediment and sediment-associated contaminants within the upper part of the basin, upstream from the reservoir located in the middle reach of the main valley. It was found that maximum sheet, rill...

Spatial variations and temporal dynamics of overbank sedimentation rates were studied on the floodplains of six rivers located in different parts of the central Russian Plain. Radioactive isotope 137Cs was used as a tracer for quantification of sedimentation rates. At least two morphologically typical floodplain segments of each river under study w...

It is now widely recognized that significant proportion of pollutants in rivers is transported with suspended sediments. This paper presents a combination of reconstruction of recent floodplain sedimentation rates based on detailed description of sediment sections and 137 Cs stratigraphy with geochemical analysis of overbank deposits at selected si...

It is now widely recognized that significant proportion of pollutants in rivers is transported with suspended sediments. This paper presents a combination of reconstruction of recent floodplain sedimentation rates based on detailed description of sediment sections and ¹³⁷Cs stratigraphy with geochemical analysis of overbank deposits at selected sit...

The spatial variation and temporal dynamics of overbank sedimentation rates were studied on the flood plains of five rivers located in different parts of the Central Russian Plain. The radioactive isotope Cs was used as a tracer for quantification of sedimentation rates. At least two morphologically typical flood plain segments were investigated al...

Many studies of soil erosion involving application of computational models face the problem of precision of the available topographic data. Limited availability of maps and a necessity to extrapolate detailed-scale data over larger areas often force investigators to use small scale maps with relatively low precision of relief representation. Many o...