New data on the Ladoga transgression, the Neva River formation, and agricultural development of northwestern Russia

Aleksandrovskii, A. L.; Арсланов, Х. А.; Davydova, N. A.; Doluchanov, P. M.; Зайцева, Г.И.; Кирпичников, А П; Кузнецов, Д. Д.; Lavento, Mika; Ludikova, Anna; Nosov, Evgeniy; Савельева, Л. А.; Sapelko, Tatyana; Subetto, Dmitry

doi:10.1134/s1028334x09020226

Cited by 10 publications

(5 citation statements)

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“…The Mginsky-Tosnensky watershed (about 18 m high), represented by moraine loams, was washed out, and the waters of the Ladoga fell into the valley of the Tosno River, which had previously flowed into the Gulf of Finland [25]. However, NN Versilin and GI Kleimenova (2012) in their research indicate that there is no reliable data to believe that over the past 6000 years Lake Ladoga level has risen above the absolute 15m mark, the formation of the Neva should be referred to the earlier dates [31]. Aleksandrovsky AA et al (2009) note a sharp decrease in the level of Lake Ladoga during the period of 2800-2500 years, which caused the water level drop in the entire hydrological system, and links it to the formation of the river [32].…”

Section: Introductionmentioning

confidence: 99%

Podzol development on different aged coastal bars of Lake Ladoga

Abakumov

Polyakov

Orlova

2019

Tomsk State University Journal of Biology

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Podzol development on different aged coastal bars of Lake LadogaThis paper presents the result of the studies of soil formation on different aged coastal bars in the transgression zone of Lake Ladoga in the Nizhnesvirsky Nature Reserve (Leningrad region, North-West of the Russian Federation). The investigation presents the data on soil chronoseries, located on four Ladoga coastal bars of different ages from 70±25 to 1590±25 years BP. We estimated the trends of accumulation and transformation of organic matter, elemental composition of humic acids (HAs), development of plant communities and the influence of soil formation factors on the formation rate of soil horizons. We assessed the degree of soil organic matter stabilization using modern instrumental methods (spectroscopy of nuclear magnetic resonance CP/MAS 13 C-NMR). An integral indicator of the hydrophobicity of HAs, which represents the total fraction of unoxidized carbon atoms, is proposed. The Ladoga Holocene transgression is one of the most informative and applicable models for pedogenesis; successional processes occurring in young and mature areas can be traced here. We identified local processes of soil formation such as podzolization, gleyfication, peat formation and humus accumulation. Physical, physical-chemical and biological soil properties with a detailed description of the morphology of soil of different aged coastal bars are presented.The paper contains 6 Figures, 7 Tables and 71 References.

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Section: Introductionmentioning

confidence: 99%

Podzol development on different aged coastal bars of Lake Ladoga

Abakumov

Polyakov

Orlova

2019

Tomsk State University Journal of Biology

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“…Subetto, M.V. Shitov and other researchers [11][12][13][14] are devoted to the issue of the evolution of the nature of Lake Ladoga and its territory, the Karelian Isthmus and the Neva Lowland. However, the published data poorly correlate with each other, and their interpretation varies significantly.…”

Section: Sources Of Information For Creating a Geographic Database An...mentioning

confidence: 99%

Paleoreconstruction of natural conditions as the basis for the rational use of natural resource management on the territory of the Neva Lowland

Paranin

Paranina²,

Grigoryev³

et al. 2023

E3S Web Conf.

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Modeling the evolution and dynamics of hydrological conditions of the Neva Lowland is of great theoretical and practical importance. The lowland is located in the Neva River basin, through which water from Europe’s largest Lake Ladoga flows. From the Mesolithic to the present day, the river has been a source of drinking water and biological resources and an important transportation route. The location of the river at a major crossroads of transcontinental routes connecting West and East, North and South Eurasia, determined the metropolitan functions of the territory and the development of the multi-million city of St. Petersburg. The city’s location on the Neva Lowland caused floods and gave rise to a number of environmental and geo-environmental problems. To optimize the use of natural resources, the cartographic models of the terrain are in great demand, on their basis it is possible to improve quantitative assessment and trends of waterlogging processes, submergence, risks of floods and disturbances in the water balance, exceeding the concentration of pollutants in water and bottom sediments. Reconstructions of hydrological conditions of the Neva Lowland in the Holocene are of interest for clarifying the evolution of natural and climatic conditions of the North-West Russian Plain. The aim of the article is to discuss the possibility of using GIS methods to study changes in hydrological conditions on the basis of actual data obtained so far in geography and archeology (geo-position and dating of objects of nature and material culture). The result of the work are maps that allow solving the problems of rational zoning of the territory, taking into account geological and environmental risks.

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“…(по альтернативным данным 14 000-13 000 л.н.) [1,4,9,14,19] и была заполнена водами пресноводного приледникового водоема -Балтийского ледникового озера (БЛО) [20]. Северные берега Ладожского озера и северная часть Карельского перешейка были в то время примерно на 70 м ниже, чем в настоящее время.…”

Section: результаты и их обсуждениеunclassified

Formation of the «PALEOLADOGA» database for GIS paleolimnological reconstructions

Minina¹,

Subetto²,

Kosheleva³

et al. 2018

Геогр. вест.

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The history of Lake Ladoga is described by many geological, paleogeographic and paleolimnological studies. In spite of more than a century of detailed paleogeographic studies of the Baltic region, a lot of questions in the field of geo-ecology, geology and paleogeography are still open, especially those of the intensity and dynamics of Ladoga transgression, the time of the Neva River formation and the direction of flow from Ladoga before this process. In order to trace the stages of the Lake Ladoga development, systematization, statistical analysis and visualization of information about its development in the post-glacial period were conducted based on the published data on the Holocene history of the lake, structures and composition of deposits, and archaeological data. These materials enabled us to create the «PALEOLADOGA» palaeolimnological database. It was made in the MS Excel format, where each object and its characteristics are stored as a string of the table. The database is integrated into geographic information systems (GIS) for the graphical representation, processing and analysis of information on research projects, and for the creation of cartographic products. The database may be useful in paleolimnological and paleogeographic studies of Lake Ladoga, and in compiling study guides for teaching undergraduate, graduate and postgraduate students who major in geography and geology.

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New data on the Ladoga transgression, the Neva River formation, and agricultural development of northwestern Russia

Cited by 10 publications

References 1 publication

Podzol development on different aged coastal bars of Lake Ladoga

Podzol development on different aged coastal bars of Lake Ladoga

Paleoreconstruction of natural conditions as the basis for the rational use of natural resource management on the territory of the Neva Lowland

Formation of the «PALEOLADOGA» database for GIS paleolimnological reconstructions

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