Estimation of landscape evolution of the Samotlor oil-gas field

DOI: 10.35595/2414-9179-2023-1-29-378-392

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About the Authors

Valentina I. Kravtsova

Lomonosov Moscow State University, Faculty of Geography,
1, Leninskie Gory, Moscow, 119991, Russia,

Ekaterina R. Chalova

Lomonosov Moscow State University, Faculty of Geography,
1, Leninskie Gory, Moscow, 119991, Russia,


The Samotlor oil and gas field in Western Siberia, one of the largest in the world in terms of oil reserves, has been developed since 1969. Natural forest and marsh landscapes are experiencing the strongest anthropogenic pressure due to the creation of a dense network of cluster drilling sites, roads connecting them with pipelines, enterprises for primary oil refining, lines of communication. Oil production and transportation activities during the development of the Samotlor field are accompanied by pollution of the territory and degradation of vegetation, and a reduction in forest areas. To identify the dynamics of natural forest-bog landscapes, which manifests itself in a change in the ratio of forest and swamp areas, we used a comparison of a survey topographic map at a scale of 1:200 000 in 1980, showing the distribution of forests, as well as passable and impenetrable swamps, with modern high-resolution satellite images, according to which deciphered the boundaries of forests and various types of swamps-raised ridge-hollow, ridge-lake-hollow and lowland. Comparison of materials from different times was carried out on a 7.5×13.5 km site southeast of Lake Samotlor. A comparison of maps compiled in 1980 and 2019 shows that the area of forests here has almost tripled; Herbaceous-shrub communities with small islands of residual forests formed on the site of reduced forest tracts. Among the swamps, a reduction in the areas of lowland fen was revealed, their localization along the shores of lakes, with the expansion of the areas of raised bogs. In place of the impenetrable swamps of 1980, ridge-lake-hollow complexes of raised bogs were formed, with wide distribution of ridge-hollow. It has been shown that, along with the negative processes of anthropogenic deforestation, ecosystem pollution and vegetation degradation, during the development of the deposit there is an increase in the drainage of the territory, accompanied by a local increase in greenery, which is additionally promoted by the tendency to climate warming.


swamp types, forests, oil development, dynamics, space images


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For citation: Kravtsova V.I., Chalova E.R. Estimation of landscape evolution of the Samotlor oil-gas field. InterCarto. InterGIS. GI support of sustainable development of territories: Proceedings of the International conference. Moscow: MSU, Faculty of Geography, 2023. V. 29. Part 1. P. 378–392. DOI: 10.35595/2414-9179-2023-1-29-378-392 (in Russian)