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Digital model of underwater landscapes of the Lake Ladoga as a source of integrated information on the condition of the bottom

https://doi.org/10.31857/S0435428122020055

Abstract

Based on our own observations, literature and stock sources, we have created a database that includes primary limnological, geophysical, geological, analytical and biological data for the Lake Ladoga basin. The database is a set of attribute tables with coordinate reference points, which allows to make the necessary selections and build sets of maps using various parameters. As the main data storage cell, a 1 × 1 km polygon is selected, which corresponds to the topographic map unit in a rectangular coordinate system. The author’s version of the digital bathymetric model of Lake Ladoga is compiled. On the basis of the bathymetric model and other materials from the database, a working scheme of the landscapes of Lake Ladoga and a scheme of landscape zoning are constructed. Detailed bathymetric measurements, a detailed study of the composition of the bottom sediments and landscape facies, the composition and distribution of biota on the reference cells for different types of landscapes were carried out. The information obtained during detailed studies of the reference cell can be extrapolated to the entire area of distribution of this type of landscape, taking into account the features of the mesorelief.

About the Authors

D. S. Dudakova
Institute of limnology, RAS
Russian Federation

Saint-Petersburg



S. N. Judin
Kivijarvi, Geological company
Russian Federation

Petrozavodsk



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Review

For citations:


Dudakova D.S., Judin S.N. Digital model of underwater landscapes of the Lake Ladoga as a source of integrated information on the condition of the bottom. Geomorfologiya. 2022;53(2):13-26. (In Russ.) https://doi.org/10.31857/S0435428122020055

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