East Siberian Sea in the context of "Yakuts"

The Mendeleev Ridge (Russian: Хребет Менделеева) or Mendeleev Rise is a broad ridge in the Arctic Ocean from the East Siberian Sea area of the Siberian Shelf to the central areas of the ocean. It is attached to the Alpha Ridge of the Amerasian Basin. It is named after Dmitri Mendeleyev.The Ridge was discovered in 1948 by Soviet high latitude expeditions. The name was approved by the Sub-Committee on Geographical Names and Nomenclature of Ocean Bottom Features (SCGN, now SCUFN) in April 1987.

The Mendeleev Ridge is instrumental in the Russian claim to the North pole. The territory claimed by Russia in the submission is a large portion of the Arctic Ocean, including the North Pole. One of the arguments was a statement, that the underwater Lomonosov Ridge and Mendeleev Ridge are extensions of the Eurasian continent. In 2002 the UN Commission neither rejected nor accepted the Russian proposal, recommending additional research.

Wrangel Island (Russian: О́стров Вра́нгеля, romanized: Ostrov Vrangelya, IPA: [ˈostrəf ˈvrangʲɪlʲə]; Chukot: Умӄиԓир, romanized: Umqiḷir, IPA: [umqiɬir], lit. 'island of polar bears') is an island of the Chukotka Autonomous Okrug, Russia. It is the 92nd-largest island in the world and roughly the size of Crete. Located in the Arctic Ocean between the Chukchi Sea and East Siberian Sea, the island lies astride the 180th meridian. The International Date Line is therefore displaced eastwards at this latitude to keep the island, as well as the Chukchi Peninsula on the Russian mainland, on the same day as the rest of Russia. The closest land to Wrangel Island is the tiny and rocky Herald Island located 60 kilometres (32 nmi) to the east. Its straddling the 180th meridian makes its north shore at that point both the northeasternmost and northwesternmost point of land in the world by strict longitude; using the International Date Line instead, those respective points become Herald Island and Alaska's Cape Lisburne.

Most of Wrangel Island, with the adjacent Herald Island, is a federally protected nature sanctuary administered by Russia's Ministry of Natural Resources and Environment. In 1976, Wrangel Island and all of its surrounding waters were classified as a "zapovednik" (a "strict nature reserve") and, as such, receive the highest level of protection, excluding virtually all human activity other than conservation research and scientific purposes. In 1999, the Chukotka Regional government extended the protected marine area to 24 nmi (44 km) offshore. As of 2003, there were four rangers who reside on the island year-round, while a core group of about 12 scientists conduct research during the summer months. Wrangel Island was home to the last generally accepted surviving population of woolly mammoths, with radiocarbon dating suggesting they persisted on the island until around 4,000 years ago.

The New Siberian Islands (Russian: Новосиби́рские Oстрова, romanized: Novosibirskiye Ostrova; Yakut: Саҥа Сибиир Aрыылара, romanized: Saŋa Sibiir Arıılara) are an archipelago in the Extreme North of Russia, to the north of the East Siberian coast between the Laptev Sea and the East Siberian Sea north of the Sakha (Yakutia) Republic, of whose Bulunsky District they are administratively a part.

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 the East Siberian Sea, and from Alaska to the Lomonosov Ridge. The basin can be further subdivided based on bathymetric features; these include the Canada Basin, the Makarov Basin, the Podvodnikov Basin, the Alpha-Mendeleev Ridge, and the Chukchi Plateau.

The Amerasia Basin is connected to the Pacific Ocean via the Bering Strait and to the North Atlantic Ocean via the Eurasia Basin and the Fram Strait. The continental shelf around the Amerasia Basin is very broad, averaging up to 342 mi (550 km) in width. The average depth of the Amerasia Basin is 12,960 ft (3,950 m), and it covers 2,500,000 km (970,000 sq mi).

The Laptev Sea (/ˈlæptɛv, ˈlɑːp-/) is a marginal sea of the Arctic Ocean. It is located between the northern coast of Siberia, the Taimyr Peninsula, Severnaya Zemlya, and the New Siberian Islands. Its northern boundary passes from the Arctic Cape to a point with co-ordinates of 79°N and 139°E, and ends at the Anisiy Cape. The Kara Sea lies to the west, the East Siberian Sea to the east.

The sea is named after Russian explorers Dmitry Laptev and Khariton Laptev; formerly, it had been known under various names, the last being Nordenskiöld Sea (Russian: мо́ре Норденшёльда), after explorer Adolf Erik Nordenskiöld. The sea has a severe climate with temperatures below 0 °C (32 °F) for more than nine months per year; low water salinity; scarcity of flora, fauna, and human population; and shallow depths (mostly less than 50 meters). It is frozen most of the time, though generally clear in August and September.

The Northeast Passage (abbreviated as NEP; Russian: Северо-Восточный проход, romanized: Severo-Vostochnyy prokhod, Norwegian: Nordøstpassasjen) is the shipping route between the Atlantic and Pacific Oceans, along the Arctic coasts of Norway and Russia. The western route through the islands of Canada is accordingly called the Northwest Passage (NWP).

The NEP traverses (from west to east) the Barents Sea, Kara Sea, Laptev Sea, East Siberian Sea, and Chukchi Sea, and it includes the Northern Sea Route (NSR). The Northern Sea Route is a portion of the NEP. It is defined in Russian law and does not include the Barents Sea and therefore does not reach the Atlantic Ocean. However, since the NSR has a significant overlap over the majority of the NEP, the NSR term is often used to refer to the entirety of the Northeast Passage. This practice injects confusion in understanding the specifics of both navigational procedures and jurisdiction.

The Northern Sea Route (NSR) (Russian: Се́верный морско́й путь, romanized: Severnyy morskoy put, shortened to Севморпуть, Sevmorput) is a shipping route about 5,600 kilometres (3,500 mi) long. The Northern Sea Route (NSR) is the shortest shipping route between the western part of Eurasia and the Asia-Pacific region.

Administratively, the Northern Sea Route begins at the boundary between the Barents and Kara Seas (the Kara Strait) and ends in the Bering Strait (Cape Dezhnev). The NSR straddles the seas of the Arctic Ocean (Kara, Laptev, East Siberian and Chukchi Seas).

Kigilyakh or kisiliyakh (Russian: кигиляхиcode: rus promoted to code: ru ; Yakut: киһилээх, romanized: kihilēx, lit. 'stone person', plural киһилээхлэрэ kihilēxlere) are pillar-like natural rock formations looking like tall monoliths standing more or less isolated. Usually they are composed of granite or sandstone shaped as a result of cryogenic weathering. Most kigilyakhs formed during the Early Cretaceous and are about 120 million years old.