The Mendeleev Ridge (or Mendeleev Rise, russian: Хребет Менделеева) is a broad ridge in the

Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately and is known as the coldest of all the oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, a ...

from the

East Siberian Sea The East Siberian Sea ( rus, Восто́чно-Сиби́рское мо́ре, r=Vostochno-Sibirskoye more) is a marginal sea in the Arctic Ocean. It is located between the Arctic Cape to the north, the coast of Siberia to the south, the New Si ...

area of the

Siberian Shelf The Siberian Shelf is a coastal shelf in the Arctic Ocean and is the largest continental shelf of the Earth, a part of the continental shelf of Russia. It extends from the continent of Eurasia in the general area of North Siberia (hence the name) ...

to the central areas of the ocean. It is attached to the

Alpha Ridge The Alpha Ridge is a major volcanic ridge under the Arctic Ocean between the Canada Basin (off Ellesmere Island) and the Lomonosov Ridge. It was active during the formation of the Amerasian Basin. It was discovered in 1963. The highest elevatio ...

of the

Amerasian Basin The Amerasia Basin, or Amerasian Basin, is one of the two major basins from which the Arctic Ocean can be subdivided (the other one being the Eurasian Basin). The triangular-shaped Amerasia Basin broadly extends from the Canadian Arctic Islands to ...

.A Geophysical Survey Of The Mendeleev Ridge, Processing Steps And Interpretation
/ref> It is named after

Dmitri Mendeleyev Dmitri Ivanovich Mendeleev (sometimes transliterated as Mendeleyev or Mendeleef) ( ; russian: links=no, Дмитрий Иванович Менделеев, tr. , ; 8 February Old_Style_and_New_Style_dates">O.S._27_January.html" ;"title="O ...

.The Ridge was discovered in 1948 by

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

high latitude expeditions. The name was approved by the Sub-Committee on Geographical Names and Nomenclature of Ocean Bottom Features (SCGN, now

SCUFN The General Bathymetric Chart of the Oceans (GEBCO) is a publicly available bathymetric chart of the world's oceans. The project was conceived with the aim of preparing a global series of charts showing the general shape of the seafloor. Over the ...

) in April 1987. The Mendeleev Ridge is instrumental in the Russian claim to the North pole.Outer limits of the continental shelf beyond 200 nautical miles from the baselines: Submissions to the Commission: Submission by the Russian Federation
CLCS.

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...

The territory claimed by Russia in the submission is a large portion of the Arctic Ocean, including the

North Pole The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface. It is called the True North Pole to distinguish from the Mag ...

.Area of the continental shelf of the Russian Federation in the Arctic Ocean beyond 200-nautical-mile zone
- borders of the 200 mile zone are marked in red, territory claimed by Russia is shaded One of the arguments was a statement, that the underwater

Lomonosov Ridge The Lomonosov Ridge (russian: Хребет Ломоносова, da, Lomonosovryggen) is an unusual underwater ridge of continental crust in the Arctic Ocean. It spans between the New Siberian Islands over the central part of the ocean to Elle ...

and Mendeleev Ridge are extensions of the

Eurasian continent Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago ...

. In 2002 the UN Commission neither rejected nor accepted the Russian proposal, recommending additional research. The origin of the ridge is still contested due to limited data, and it is unclear whether it is an oceanic or continental feature and whether its origin is associated with the Alpha Ridge.

References

{{coord, 80, 00, N, 178, 00, W, source:kolossus-ruwiki, display=title Ridges of Russia Underwater ridges of the Arctic Ocean