Laptev Sea - Extent

Extent

The International Hydrographic Organization defines the limits of the Laptev Sea as follows:

On the West. The eastern limit of Kara Sea .

On the North. A line joining Cape Molotov to the Northern extremity of Kotelni Island (76°10′N 138°50′E / 76.167°N 138.833°E / 76.167; 138.833 (Northern extremity of Kotelni Island)).

On the East. From the Northern extremity of Kotelni Island - through Kotelni Island to Cape Madvejyi. Then through Malyi Island, to Cape Vaguin on Great Liakhov Island. Thence to Cape Sviatoy Noss on the main land.

Using current geographic names and transcription this definition corresponds to the area shown in the map.

  1. The sea's border starts at Arctic Cape (formerly Cape Molotov) on Komsomolets Island at 81°13′N 95°15′E / 81.217°N 95.25°E / 81.217; 95.25 (Arctic Cape) and connects to the southeastern cape of the island.
  2. The next segment crosses Krasnoyarmyy Strait and leads to Cape Vorochilov on October Revolution Island and afterwards through that island to Cape Anuchin at 79°39′37″N 100°21′22″E / 79.66028°N 100.35611°E / 79.66028; 100.35611 (Cape Anuchin).
  3. Next, the border crosses Shokalsky Strait to Cape Unslicht at 79°25′04″N 102°31′00″E / 79.41778°N 102.5166667°E / 79.41778; 102.5166667 (Cape Unslicht) on Bolshevik Island. It goes further through the island to Cape Yevgenov at 78°17′N 104°50′E / 78.283°N 104.833°E / 78.283; 104.833 (Cape Evgenov).
  4. From there, the border goes through Vilkitsky Strait to Cape Pronchishchev at 77°32′57″N 105°54′4″E / 77.54917°N 105.90111°E / 77.54917; 105.90111 (Cape Pronchishchev) on the Tamyr peninsula.
  5. The southern boundary is the shore of the Asian mainland. Prominent features are the Khatanga Gulf (estuary of the Khatanga river) and the delta of the Lena River.
  6. In the east, the polygon crosses the Dmitry Laptev Strait. It connects Svyatoy Nos at 72°42′N 141°12′E / 72.7°N 141.2°E / 72.7; 141.2 (Svyatoy Nos) with Cape Vaguin at 73°26′0″N 139°50′0″E / 73.433333°N 139.833333°E / 73.433333; 139.833333 (Cape Vaguin) in the very east of Bolshoy Lyakhovsky Island.
  7. Next, the Laptev Sea border crosses the Stjrikan strait to Little Lyakhovsky Island (aka Malyi Island) at 74°05′00″N 140°35′00″E / 74.0833°N 140.5833°E / 74.0833; 140.5833 (Little Lyakhovsky Island) up to Cape Madvejyi.
  8. Finally, there is a segment through Kotelny Island to its northernmost cape 76°10′N 138°50′E / 76.167°N 138.833°E / 76.167; 138.833.
  9. The last link reaches from there back to Arctic Cape.

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