Central Siberian Plateau

Central Siberian Plateau
Name	Central Siberian Plateau
Country	Russia
Region	Siberia
Highest	Mount Anabar
Elevation m	905

Central Siberian Plateau The Central Siberian Plateau is a vast elevated region in Siberia within the Russian Federation, occupying much of the Krasnoyarsk Krai and adjacent federal subjects such as the Republic of Sakha (Yakutia) and Irkutsk Oblast. It forms a major physiographic division between the Yenisei River and Lena River basins and serves as a key link between the West Siberian Plain and the Siberian Traps region. The plateau influences regional hydrology, climate patterns, and resource distribution across northern Eurasia.

Geography

The plateau extends from the fringes of the Yenisey Gulf and the middle course of the Yenisei River eastward toward the Lena River catchment, bounded to the south by the Sayan Mountains and Baikal Rift Zone and to the north by the Kara Sea watershed. Major river systems traversing or originating on the plateau include the Lower Tunguska River, Podkamennaya Tunguska, Anabar River, and tributaries of the Ob River, each linking to transport corridors used historically by Russian Empire and Soviet Union explorers and loggers. Settlements such as Krasnoyarsk and remote localities reached by the Trans-Siberian Railway and the Baikal–Amur Mainline exploit the plateau’s access and position.

Geology and Topography

The plateau is underlain by ancient craton blocks of the Siberian Craton and overlain by basalt flows associated with the Siberian Traps volcanic event, with exposures of Precambrian and Paleozoic strata. Uplifted plateaus, dissected by deep valleys and escarpments, produce highland massifs such as the Anabar Plateau and the Putorana Plateau, the latter known for trap formations and cliffs formed during the Mesozoic and Cenozoic orogenies. Glacial and periglacial processes during the Pleistocene sculpted valley systems and left deposits studied in Quaternary stratigraphy. The region contains mineralized zones explored during campaigns by geological surveys of the Imperial Russia period and later mapped by institutes in the Soviet Union and the Russian Academy of Sciences.

Climate

The plateau experiences a sharply continental subarctic climate influenced by polar air masses from the Arctic Ocean and continental interiors such as Central Asia. Winters are long and severe, with temperatures dropping in association with Arctic outbreaks studied by meteorologists from Moscow State University and measured at stations operated by the Russian Federal Service for Hydrometeorology and Environmental Monitoring. Summers are short and cool, and precipitation regimes vary from drier northern tundra zones to wetter southern taiga belts, affecting permafrost dynamics documented in research by Georgy Ushakov–era explorers and modern permafrost specialists at Melnikov Permafrost Institute.

Flora and Fauna

Vegetation ranges from tundra in the north to extensive boreal taiga forests of Siberian larch and Siberian pine in the south, supporting wildlife assemblages including Siberian tiger-adjacent ranges historically, Eurasian lynx, brown bear, reindeer, and migratory waterfowl that link to flyways studied by ornithologists from Lomonosov Moscow State University and conservationists with World Wildlife Fund initiatives. Aquatic habitats sustain populations of sturgeon and cold-water fish species exploited by local communities and referenced in fisheries studies by institutes such as the All-Russian Research Institute of Fisheries and Oceanography.

Human History and Settlement

Indigenous peoples including Evenks, Nenets, and Nganasan historically practiced reindeer herding, hunting, and seasonal migration across plateau landscapes, interacting with Russian explorers from the 17th century onward during the expansion of the Russian Empire. The Soviet era brought industrialization, gulag labor projects, and infrastructure development such as hydroelectric schemes tied to the Krasnoyarsk Dam and resource extraction driven by ministries of the Soviet Union. Contemporary population centers include Krasnoyarsk and smaller settlements established during Soviet planning, with cultural legacies preserved in regional museums and institutes of the Russian Academy of Sciences.

Economy and Natural Resources

The plateau hosts extensive deposits of coal, iron ores, nickel, copper, gold, and rare earth-bearing mineralization prospected by enterprises like Soviet-era state trusts and modern companies operating under Russian mining law, contributing to export flows through ports linked to the Northern Sea Route. Timber resources from taiga forests historically supplied timber industries centered in Krasnoyarsk Krai, while hydrocarbon exploration in adjacent basins involves firms headquartered in Moscow and regional offices. Hydroelectric potential has been harnessed at facilities tied to Soviet and Russian energy planning agencies, influencing regional electrification and industrial development.

Conservation and Environmental Issues

Environmental concerns include permafrost thaw linked to climate change research by international teams including scientists at University of Alaska Fairbanks and Russian institutions, deforestation from logging practices regulated by agencies such as the Ministry of Natural Resources and Environment (Russia), pollution from mining and hydroelectric projects, and biodiversity pressures that have prompted creation of protected areas and reserves comparable to Zapovedniks and regional nature parks. Transboundary environmental monitoring often involves cooperation with organizations like the United Nations Environment Programme and bilateral scientific exchanges with institutes in Finland and Norway to address Arctic and boreal ecological change.

Category:Geography of Siberia Category:Plateaus of Russia