Tukulans ( rus, Тукуланы; sah, Тукулаан) are relief forms shaped by

aeolian processes Aeolian processes, also spelled eolian, pertain to wind activity in the study of geology and weather and specifically to the wind's ability to shape the surface of the Earth (or other planets). Winds may erode, transport, and deposit mate ...

of the

Central Yakutian Lowland The Central Yakutian LowlandJohn Kimble (ed.), ''Cryosols: Permafrost-Affected Soils'' or Central Yakutian Lowlands (russian: Центральноякутская равнина; sah, Саха сирин ортоку намтала), also known as ...

Yakutia Sakha, officially the Republic of Sakha (Yakutia),, is the largest republic of Russia, located in the Russian Far East, along the Arctic Ocean, with a population of roughly 1 million. Sakha comprises half of the area of its governing Far E ...

Russian Federation Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

. They are

sand Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class o ...

dunes of a characteristic type mainly found along the valley of the Lena River, in the area of the lower

Vilyuy The Vilyuy ( rus, Вилю́й, p=vʲɪˈlʲʉj; sah, Бүлүү, ''Bülüü'', ) is a river in Russia, the longest tributary of the Lena. About long, it flows mostly within the Sakha Republic. Its basin covers about . History The river is fi ...

river.Tukulan - The Yakut Desert
/ref> Tukulans come in the form of isolated dunes, but also as large sand-covered areas in certain spots of the plain, often among the trees of the

taiga Taiga (; rus, тайга́, p=tɐjˈɡa; relates to Mongolic and Turkic languages), generally referred to in North America as a boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruc ...

.Якутские тукуланы
/ref> The largest of the dunes lies at near the Linde River and reaches almost in length. Google Earth

History

Tukulans were first described in 1927 by pioneering researcher Sergei Kuznetsov during an expedition surveying Yakutia sent by the government of the

USSR The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...

. Kuzntesov published a paper calling attention on them. A few years later academicians Andrei Grigoryev of the

Academy of Sciences of the Soviet Union The Academy of Sciences of the Soviet Union was the highest scientific institution of the Soviet Union from 1925 to 1991, uniting the country's leading scientists, subordinated directly to the Council of Ministers of the Soviet Union (until 1946 ...

and Tikhon Rabotnov of

Moscow State University M. V. Lomonosov Moscow State University (MSU; russian: Московский государственный университет имени М. В. Ломоносова) is a public research university in Moscow, Russia and the most prestigious ...

continued the study of these landforms, but they were faced with the problem that they lie in a remote area of difficult access. Finally in the 1940s

aerial photography Aerial photography (or airborne imagery) is the taking of photographs from an aircraft or other airborne platforms. When taking motion pictures, it is also known as aerial videography. Platforms for aerial photography include fixed-wing airc ...

surveys were carried out and all tukulan areas were identified and included in the cartography of the region.Тукуланы - «пустыни Якутии»
/ref>

References

External links

*{{commonscat inline Dunes of Russia Aeolian landforms Landforms of the Sakha Republic Lena basin Central Yakutian Lowland

History

See also

References

External links